This standard specifies the common terms and definitions for audio and video recording. This standard applies to audio and video recordings on records and tapes. GB/T 4013-1995 Audio and video recording terminology GB/T4013-1995 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
GB/T4013—1995
Terminology for audio and video recording1995-01-05Promulgated
State Administration of Technical Supervision
Implementation on 1995-08-01
National Standard of the People's Republic of China
Recording and Video
Terminology
Terminologyfor audioand videorecording1Subject Content and Scope of Application
This standard specifies the commonly used terms and definitions for recording and videotaping. This standard applies to recording and videotaping of phonograph records and recording and videotaping of magnetic tapes. GB/T4013—1995
Replaces GB4013—83
This standard is mainly formulated with reference to Chapter 806 "Recording and Videotaping" and Chapter 807 "Digital Recording and Digital Videotaping" (Draft) of the International Electrotechnical Dictionary.
General terms for audio and video recording
2.1 Recordingrecording
The process of storing a signal in a recording medium. The recording of an audio signal is called recording, and the recording of a video signal is called video recording. 2.2 Recording mediumrecordingmedium
The material used to record the signal.
2.3 Recording systemrecordingsystem
The device that changes the state or structure of the recording medium according to the signal so that it can be replayed. 2.4 Channelchannel
The way to transmit signals.
2.5 Recording channelrecordingchannel
The channel that transmits the signal to be recorded from the signal source to the recording medium. A recording system can contain multiple recording channels. 2.6 Reproductionplayback, replayThe process of reproducing a recorded signal in its original form. The reproduction of an audio signal is called playback, and the reproduction of a video signal is called playback. 2.7 Reproducing systemreproducing systemThe device that reproduces the signal stored in the recording medium. 2.8 Reproducing channel The channel that transmits the reproducing signal from the record carrier to the output end of the reproducing system. A reproducing system may include several reproducing channels. 2.9 Equalization
Correction of the amplitude-frequency response of the recording or reproducing system to compensate for the amplitude-frequency distortion of the system. Equalization in the recording system The equalization in the system sometimes also includes correction for the phase-frequency response. 2.10 Pre-emphasis
Correction of the amplitude-frequency response of the recorded signal according to specific requirements. Synonym: pre-equalization 2.11 De-emphasis
Restoration of the original amplitude-frequency response of the recorded signal during playback. Synonym: post-equalization Approved by the State Administration of Technical Supervision on January 5, 1995 and implemented on August 1, 1995
2.12 Duplicatingcopying
GB/T4013—1995
The process of simultaneously obtaining one or more copies of a recorded program (in whole or in part). Note: The duplication speed is usually higher than the original recording speed. 2.13 Re-recording
The process of re-recording a recorded program in whole or in part onto a recording medium by any method. 2.14 Dubbing
The process of transcribing two or more recorded signals (unrecorded signals may also be added) into a composite signal. 3 General terms for audio and video recording of magnetic tapes
3.1 Magnetic head
A transducer that converts an electrical signal into a change in magnetic flux or converts a change in magnetic flux into an electrical signal. 3.2 Recording head recording head
A head that changes the magnetic state of the recording medium according to the signal to be recorded. 3.3 Reproducing head reproducing head
A head that reproduces the recorded signal on the recording medium. 3.4 Recording/reproducing head recording/reproducing head A head that can be used for both recording and reproducing. 3.5 Erasing head erasing head
A head that can generate a magnetic field to erase the recorded signal on the recording medium 3.6 Magnetic head core magnetic head core
The part of the head made of magnetic material and forming the magnetic circuit. 3.7 Magnetic head gap magnetic head gap
The gap between the two pole surfaces of the head separated by a non-magnetic material gasket. 3.8 Gap width gapwidth
The size of the head gap parallel to the plane of the tape and perpendicular to the relative movement direction of the tape and the head. 3.9 Gap depth gapdepth
The size of the head gap perpendicular to the plane of the tape. 3.10 Gap length gaplength
The actual distance between the two poles of the magnetic head.
Effective gap length effectivegaplength The gap length determined by the maximum recording wavelength when the head output is zero, used to replace the actual gap length when calculating the gap loss. 2 Head adjustment headadjustment
The operation of adjusting the position of the magnetic head so that the azimuth angle and the shape and position of the magnetic track are appropriate. 3.13 Azimuth adjustment azimuthhadjustment The operation of making the gap between the playback head and the recording head form a certain angle with the direction of magnetic tape movement. Note: This angle is generally a right angle in a tape recorder. 3.14 Head clogging headclogging
The phenomenon that particles shed from the magnetic tape accumulate on the surface of the head gap and around it. 3.15
Magnetic tape
A tape-shaped recording medium formed by coating (or plating) a magnetizable material on a non-magnetic tape base. 3.16
Base film
The part of the magnetic tape used to carry the magnetic layer, generally a polyester film. 3.17
Magnetic coating
GB/T4013—1995
The part of the magnetic tape used to record signals, generally made of a mixture of magnetizable material and adhesive and applied to the base tape, or directly coated (or plated) with magnetic material on the base tape.
3.18Magnetic powder
Powdered magnetic material used in the magnetic layer.
3.19Rectangular ratiosquareratio
The ratio of the saturated residual magnetic induction to the saturated magnetic induction of the magnetic tape. Synonyms: rectangular coefficient
Open reel tape; reel to reel tapeA tape wound on an independent reel or reel. Cassette
A cassette device with magnetic tape wound on two coplanar reels. Normaltape
A magnetic tape with ferric oxide as magnetic powder.
Synonyms: ferrictape
chromiumdioxidetape3.23
A magnetic tape with chromium dioxide as magnetic powder.
Note: Words in [] can be omitted. Same below. 3.24 Fe-Crtape
A magnetic tape with a chromium dioxide magnetic layer added outside the ferrous oxide magnetic layer. 3.25 Metaltape
A magnetic tape with ferromagnetic metal powder directly coated or plated on the tape base. S Blanktape;unrecordedtape3.26
A magnetic tape with no recorded signal.
Synonyms: unrecorded tape
recorded taperecordedtape
Tape with recorded signals.
leadertape
Tape without magnetic powder connected to both ends of the tape, or the section of tape with control signals and production instructions recorded before the program. 3.29
referencetape
A blank tape with specified characteristics selected as a reference, used to compare with other tapes or measure the characteristics of tape recording equipment. calibrationtape
A tape with signals that meet the specified characteristics, used to calibrate the system characteristics under playback. testtape
A tape with signals that meet the specified characteristics, used to test or adjust the system characteristics under playback. breaking strength, breaking force3.32
The minimum force required to break a tape sample.
Synonyms: breaking force
3.33 Yield force
The force required to increase the length of the tape by 3% over its original length. 3.34
Residual elongation
The percentage of elongation of the tape length measured when the force is removed after the tape is subjected to a specified force for a specified time. 3.35 Static longitudinal curvature The maximum deviation of the edge of a segment of magnetic tape from the line connecting the two ends when the segment is placed on a plane without tension. 3
3.36 Transverse cupping GB/T4013—1995
The bending of the surface of the magnetic tape symmetrical to the center line and perpendicular to this line. 3.37 Layer to layer adhesion The adhesion between adjacent layers in the magnetic tape.
Coating resistance
The resistance of the magnetic layer of the portion of the magnetic tape whose length is equal to its width. 3.39
Drop-out
Severe instantaneous drop in the amplitude of the playback signal due to the shedding of the magnetic layer, the adhesion of dust or poor contact of the headband. 3.40
erasibility
The difference between the highest magnetic level recorded at a specified frequency and optimal bias and the residual magnetic level after demagnetization and storage at a specified temperature for a specified time, expressed in decibels.
LongitudinalmagnetizationThe magnetization method in which the main component of the recorded magnetic field is parallel to the direction of movement of the tape. Transversemagnetization3.42
The magnetization method in which the main component of the recorded magnetic field is parallel to the plane of the tape and perpendicular to the direction of movement of the tape. 3.43
PerpendicularmagnetizationperpendicularmagnetizationThe magnetization method in which the main component of the recorded magnetic field is perpendicular to the plane of the tape, 3.44
Magnetictrack
The trace of magnetization on the tape by the recording head.
Guardbandguardtrack
The portion between the tracks on the surface of a magnetic tape.
Synonym: guard interval
Track configuration
The location and size of a recorded track on a magnetic tape. 3.47
Referenceedge
The edge of a magnetic tape used as a reference to define the track position. 3.48
Short-circuit flux short-circuit flux of amagnetictape; tapeflux The flux flowing through the core of a playback head with zero magnetic resistance and in close contact with the surface of the tape over an infinite length, referred to as tape flux. Synonym: tape flux
3.49 Surface induction surfaceinduction The magnetic induction perpendicular to the surface of the tape in free space. 3.50 Tape transport system A mechanical device driven by an electric motor to cause the tape to move relative to the head. 3.51
capstan
The shaft that drives the magnetic tape during recording or playback.
3.52pinch rollerpressure rollerThe idler wheel that presses the magnetic tape against the capstan.
3.53tape guide
A device that keeps the magnetic tape in the correct position.
guide roller
A wheel that keeps the magnetic tape in the correct position.
3.55guide pillar
A pillar that keeps the magnetic tape in the correct position.
3.56capstan motor
A motor that drives the capstan specifically.
3.57tape speed
The rate at which the magnetic tape moves relative to a fixed point. 3.58 Stopping time stopping time || tt || GB/T4013—1995 || tt || The time from the operation of the stopping device to the tape speed falling to zero. 3.59 || tt || Stopping time from fast spooling The time from the operation of the stopping device to the tape speed falling to zero from the fast spooling value. 3.60 || tt || Fast spooling time fast spooling time || tt || The time from the full reel of the specified tape with the maximum diameter to the end of the fast spooling. 3.61 || tt || Tape tension tape tension || tt || The longitudinal tension applied to the tape by the tape transport mechanism in the starting, running, stopping and other states. Steady-state tape tension steady-state tape tension 3.62 || tt || Tape tension in the constant speed running state.
Fast forward movement
The process of rapidly winding a magnetic tape from the supply reel to the take-up reel without recording, reproducing or degaussing. 3.64
Rewinding
The process of rapidly winding a magnetic tape from the take-up reel to the supply reel. 3.65
Hub
The circular component on which the magnetic tape is wound.
Flange
The circular disk installed on one or both sides of the hub to protect the wound magnetic tape. 3.67
Reel; spool
The component composed of a hub and two flanges for winding the magnetic tape. 3.68
Supply reel
The reel on which the magnetic tape is supplied during recording, reproducing or fast forwarding. take-up reel
The reel into which the magnetic tape is taken during recording, playback or fast forwarding. 3.70
demagnetizer
A device for demagnetizing magnetic heads, magnetic tapes, etc. Bulk erasermagnetictapeeraserA device for simultaneously erasing all signals on a magnetic tape. Synonyms: tape demagnetizer
3.72 headereraser
A device for erasing the residual magnetism on the core of a magnetic head.
3.73 recordpreservingsensorholeA hole at the back of a tape cassette that prevents accidental demagnetization. 3.74 breakoutlug
A small piece placed in the breakout lug that can record when present and make the breakout lug work when removed. Breakoutlid
A small cover placed on the breakout hole to prevent accidental erasure. It can be recorded when it is present, and the breakout hole can be made functional after it is removed. 3.76 Biasing
A high-frequency or DC magnetic field applied during recording to make the signal magnetic field act on the linear part of the magnetic tape magnetization curve. 5
3.77 Biasingcurrent
GB/T4013—1995
The current flowing through the recording head coil to generate a bias magnetic field. 3.78 Erasure
The process of erasing residual magnetism from magnetic materials. Generally refers to erasing recorded signals from magnetic carriers. 9 Erasingcurrent
The current flowing through the erasing head coil to generate a magnetic field to erase recorded signals on the tape. 3.80
SpacinglossseparationlossThe loss caused by the spacing between the head and the tape. 3.81
Gap lossgaploss
Loss caused when the recording wavelength is close to the playback head gap length because the length is not infinitely small. 3.82azimuthloss
Loss caused by the inconsistency between the playback head azimuth and the recording head azimuth. 3.83biaserasurelossbiaserasurelossLoss caused by the demagnetization of the recorded signal by the bias magnetic field. 3.84
Thicknesslossthicknessloss
Loss caused by the magnetic layer not being thin enough relative to the recording wavelength. Self-demagnetizationlossself-demagnetizationloss3.85
Loss caused by the mutual cancellation of residual magnetism in adjacent parts of the magnetic layer. Corelosscoreloss
General term for eddy current loss and hysteresis loss in the head core. 3.87
tapeeditingtapeediting
The process of combining several parts of the program on the tape into a coherent program. 3.88
splice
splice of tape connected with adhesive tape.
cinching
uneven winding of tape on the reel due to slippage between layers, etc. 0capstanservo
system that automatically controls the speed and phase of the capstan shaft. 4General terms for recording
4.1 soundrecording
the process of storing audio signals on a recording medium. The technology of storing audio signals on a medium for playback. A medium with recorded audio signals or an audio signal played back from a recorded medium. 4.2 recordinglossrecordingloss
the phenomenon that the amplitude of a recorded signal attenuates with frequency due to various reasons within the recording system. 4.3 soundreproduction
the process of reproducing a recorded audio signal in its original form. 4.4 Reproducing loss
The phenomenon that the actual output level of the playback channel attenuates with frequency, taking the ideal playback channel output level as the benchmark. 4.5 Monophonic recording The process of recording an audio signal through a single channel, or the process of recording an audio signal through multiple channels and then mixing it into a single channel signal. 4.6 Stereophonic recording 6
GB/T4013—1995
Record two signals simultaneously through two recording channels, and then play them out separately during playback, so as to obtain the spatial sense and orientation of the sound source. 4.7 Monophonic reproduction Replay a single-channel or multi-channel recording through a single playback channel. 4.8 Stereophonic reproduction Replay a stereo recording through two playback channels to reflect the spatial sense and orientation of the sound source. 4.9 Multichannel recording Multichannel recording Use several channels for recording.
Multichannel reproduction uses several channels for playback.
Modulation noise modulationnoise
Useless signals generated by useful signals, except harmonics and intermodulation products. Their characteristics depend not only on the characteristics of the recording medium and recording equipment, but also on the characteristics of the useful signal. 4.12 Isolation separation
The ratio of the voltage (U) generated by the A-track signal at its corresponding output terminal to the voltage (U^) generated by the B-track signal at the same output terminal, expressed in decibels.
Synonym: separation
4.13 Cross-talk
The ratio of the voltage (U)A generated by the A-track signal at its corresponding output terminal to the voltage (UB)A generated by the A-track signal at the corresponding output terminal of the B-track, expressed in decibels.
4.14 Channel balance channelbalance
Adjust the parameters of the stereo system to make the characteristics of each channel tend to be consistent. 5 Channel phasing
Connect stereo playback equipment correctly so that the in-phase signals added to the input terminals of each channel remain in phase at the corresponding points of each channel. S Speed ​​fluctuation speed fluctuation wow and flutter 4.16
The phenomenon of rapid changes in the speed of the recording medium due to defects in the tape transport mechanism. Commonly known as shaking, including shaking and wobbling. Synonyms: shaking
Flutter
Speed ​​fluctuations with a frequency higher than 10Hz.
4.18 Wow
Speed ​​fluctuations with a frequency of 0.110Hz.
Drift
The phenomenon of slow changes in the speed of the recording medium during recording and playback. 5 General terms for video recording
5.1 Video recording
The process of storing video signals in a recording medium. The technology of storing video signals in a carrier for playback. A carrier on which a video signal has been recorded or a video signal played back from a recorded carrier. 5.2 Video reproduction
The process of reproducing a recorded video signal in its original form. Synonym: playback
5.3 Freeze framing
The state of automatically and repeatedly playing back an image. 7
5.4 Slow motion slow motion
GB/T4013—1995
The state of playing back a series of recorded images at a speed lower than the normal playback speed. 5.5 Fast motion fast motion
The state of playing back a series of recorded images at a speed higher than the normal playback speed. 5.6 Reverse motion
The state of playing back a series of recorded images in reverse. 5.7 Reverse slow motion The state of playing back a series of recorded images in reverse at a speed lower than the normal playback speed. 5.8 Step motion
The state of manually controlling the frame-by-frame playback or reverse playback of a series of recorded images. Synonym: frame-by-frame playback
5.9 repeated motion
The state of automatically and repeatedly playing back a series of recorded images. Synonym: repeated playback
6 Terminology of record recording
6.1 record record; disk disc
A disc that records analog or digital audio signals in a spiral track. 6.2 Long-playing record (LP) A record with a longer playing time recorded at a rated speed of 33t/min. High-quality LPs are generally made of PVC-type plastics. 6.3 Coarse-groove record coarse-groove record A record with a groove width greater than 0.15mm recorded at a rated speed of 78r/min. 6.4 Soundsheet
A popular LP pressed with a hard polyvinyl chloride film. 6.5 Single-track record singleplayingrecord (SP) Record with only one track recorded at a rated speed of 45r/min. 6.6 Extendedplayingrecord (EP) Record with more than two tracks recorded at a rated speed of 45r/min 6.7 Monophonicrecord
Record with a single channel signal recorded in the form of lateral displacement of the sound groove. 6.8 Stereophonicrecord Record with left and right channel signals recorded in the form of displacement in the same sound groove perpendicular to the two groove walls. 6.9 Frequencyrecord
Record with a signal of specified frequency and vibration speed recorded for measuring the amplitude-frequency response of the playback equipment. 6.10 Testrecord
Record with a specified signal recorded for measuring multiple technical indicators of the playback equipment. 6.11 Trialrecord
Record for evaluating quality before release.
groove
A spiral groove with or without modulation on a record. 6.13 innergroovesidewall The groove wall in the direction of the center of the record.
6.14 outergroovesidewall The groove wall in the direction of the edge of the record.
6.15 groovewidth
GB/T4013—1995
The radial distance between the two groove walls on the recording surface of the record. 6 groovedepth
The vertical distance from the recording surface to the bottom of the groove.
grooveangle
The angle between the two walls of the record groove, measured in a radial plane perpendicular to the recording surface of the record. 6.18
bottomradius
The radius of curvature of the groove bottom.
9 Groove shape
The cross-sectional shape of the groove in the radial plane, determined by the groove width, groove angle and groove bottom radius. Coarse groove
Groove with a groove width greater than 0.15mm recorded at a rated speed of 78r/min. 6.21
Microgroove;finegroove
Groove with a groove width less than 0.12mm.
Pitch
The reciprocal of the number of grooves per unit width.
Note: Generally in millimeters.
6.23 Plain groove; blank groove A groove without a modulated signal.
Synonym: dumb groove
Modulated groove
A groove with a modulated signal in the horizontal, vertical or 45/45° format. 6.25
Lead-ingroove
A soundless groove starting from the edge of the record, with a groove pitch greater than the normal groove pitch. Lead-outgroove
A soundless groove at the end of the recording surface of the record, with a groove pitch greater than the normal groove pitch. 6.27
Finishinggroove
A circular soundless groove behind the lead-outgroove, used to prevent the pickup from continuing to move radially. Eccentricfinishinggroove An unsounding groove whose center does not coincide with the center of the record, generally used to control the change of discs in an automatic disc changer. Lead-overgroove
A spiral groove without sound that connects two sections of groove. Groove with variable pitch A groove whose average pitch varies with the modulation amplitude. Groove with variable depth A groove whose average depth varies with the modulation amplitude. 6.32 Recorded surface
The part of a record with grooves.
Inner diameter of the recorded surfaceInner diameter of the recorded surfaceThe diameter of the end groove, below which the lead-over groove follows. 6.34 Outer diameter of the recorded surface9
The diameter of the beginning groove.
6.35 Marker space
The part of a record occupied by a transition groove.
6.36 Label
GB/T4013—1995
The piece of paper printed with the content, edition number, and the name of the publisher and manufacturer in the center of the record. 6.37
grooveguard
The thicker center and outer edge of a record to protect the recording surface from wear. automaticpitchcontrolthe process of automatically increasing the groove pitch due to an increase in the lateral component of the recording velocity. horns of agroove
The harmful protrusion of the groove edge above the recording surface of the record when the groove is cut. Synonyms: horn
unfill; blow-hole
A defect in the upper part of the groove edge caused by a lack of material during pressing. 6.41
warp||warp of adisk
The phenomenon of bending and deforming the plane of a record.
moirepattern
The abnormal ripples on the recording surface formed when the groove width and groove depth are modulated by very low-frequency interference signals during recording. moulding
The method of manufacturing records by forming metal templates. 6.44
Injection moulding
A method of manufacturing records by injecting viscous plastic into a cavity moldCompression moulding
A method of manufacturing records by feeding preheated and softened blocks into a cavity mold. 6.46
Disk plastic
Material that is plasticized after mixing high molecular resin with additives for making records. 6.47
Pellets granules
Plastic for making records.
3Biscuit
Prefabricated plastic blocks for recordings.
Blank film blanklacquer, unrecordeddiskA disc coated with nitrocellulose on an aluminum plate for engraving recording masters. Silvering
The process of spraying silver on the surface of the master film to form a conductive layer. Original film lacquer original; production acetate film with grooves engraved.
Metal matrix metal matrix
For making records, including metal first plate, second plate and third plate formed by electroforming. Metal first plate master negative master original 6.53
The first metal plate made by electroforming of original film. Synonyms: father matrix father matrix
Metal second plate metal positive
The second metal plate made by electroforming of metal first plate, its groove is the same as that of record, and it can play sound. 10
Synonyms: mother matrix
6.55 Metal third plate stamper
GB/T4013—1995
The third metal plate for production made by electroforming of second plate. 6.56flash
Excess plastic that appears at the edge of a record during the molding process. 6.57
lateralrecording
A recording method in which the vibrating direction of the engraving knife is parallel to the surface of the record. 6.58
verticalrecording
A recording method in which the vibrating direction of the engraving knife is perpendicular to the surface of the record. 6.59
constantamplituderecordingconstantamplituderecordingA recording method in which the engraving knife is excited by a constant amplitude sinusoidal signal of each frequency and the amplitude remains constant. ConstantvelocityrecordingA recording method in which the engraving knife is excited by a constant amplitude sinusoidal signal of each frequency and the amplitude is inversely proportional to the signal frequency. clickspop
A sudden noise heard when a record is played.
Synonyms: crackle
intermittent crackling noise heard when a record is played. 6.63Surface noisesurface noise
Noise caused by the groove wall being not smooth enough.
Synonyms: hiss
cyclic noisecyclic noise
Noise caused by the record itself during playback. 6.65
mechanical recordingmechanical recording
The process of recording a signal on a blank film in the form of permanent deformation by engraving. 6.66
tape-to-disk transfercutting on diskThe process of converting the pre-recorded audio signal on the tape into the sound groove on the original film through electromechanical transduction. 6.67 Vertical cutting angle The angle between the direction of movement of the knife tip without elastic deformation and the normal line of the recording film surface measured in the counterclockwise direction when the cutting head is located on the left side of the slotting screw.
6.68 Vertical modulation angle Due to the elastic rebound of the cutting knife system and the record material, the actual vertical cutting angle on the record is smaller than the vertical cutting angle.
6.69 Cutting lathe
A mechanical device for cutting recording grooves on blank film, consisting of a turntable rotating at a constant speed, a cutting head mounted above the turntable and moving radially, and a series of auxiliary equipment.
6.70 Cutting head
An electromechanical transducer that converts electrical signals into mechanical displacements. It cuts the sound grooves on the blank film rotating at the rated speed through the cutting knife.
Engraving knife
Jcutting stylus
A specially shaped heated knife made of very hard material, used to engrave grooves on blank film. 6.72Electrodynamic cutterheadElectrodynamic cutterheadThe displacement of the engraving knife is caused by the movement of the coil in the alternating magnetic field. 1127
Finishing groove
A circular soundless groove behind the lead-out groove, used to stop the pickup from moving radially. Eccentric finishing grooveA soundless groove whose center does not coincide with the center of the record, generally used to control the change of records in automatic record changers. Lead-over groove
A spiral soundless groove connecting two sections of groove. Groove with variable pitchA groove whose average pitch varies with the modulation amplitude. Groove with variable depthA groove whose average depth varies with the modulation amplitude. 6.32Recorded surface
The part of a record with grooves.
Inner diameter of the recorded surfaceInner diameter of the recorded surfaceThe diameter of the final groove, immediately below the lead-out groove. 6.34Outer diameter of the recorded surface9
The diameter of the initial groove.
6.35 markerspace
The portion of a record occupied by the transition groove.
6.36 label
GB/T4013—1995
The piece of paper printed with the content, edition number, name of the publisher and manufacturer in the center of the record. 6.37
grooveguard
The thicker center and outer edge of a record to protect the recording surface of the record from wear. automatic pitch controlautomatic pitch controlThe process of automatically increasing the groove pitch due to an increase in the lateral component of the recording velocity. horns of agroove
When recording a groove, a harmful ridge of the groove edge that is higher than the recording surface of the record is produced. Synonyms: horn
unfill; blow-hole
A defect in the upper part of the groove edge caused by a lack of material during pressing. 6.41
warping of a disc warpofadisk
the phenomenon of the flat surface of a disc bending and deforming.
moirepattern
the abnormal ripples on the recording surface formed when the groove width and groove depth are modulated by very low-frequency interference signals during recording. moulding
the method of making a disc by forming a metal template. 6.44
injectionmoulding
the method of making a disc by injecting viscous plastic into a cavity mold compressionmoulding
the method of making a disc by feeding a preheated and softened block into a cavity mold. 6.46
diskplastic
the material used to make discs after the polymer resin and additives are mixed and plasticized. 6.47
pelletsgranules
granular plastic for discs.
3 biscuit
Prefabricated plastic block for recording.
Blank film blanklacquer, unrecordeddiskA disc coated with nitrocellulose on an aluminum plate for recording masters. Silvering
The process of spraying silver on the surface of the master film to form a conductive layer. Master film lacqueroriginal; productionacetateFilm with recorded grooves.
Metal matrix metalmatrix
For making records, including metal master, second and third plates formed by electroforming. Master negative masteroriginal6.53
The first metal matrix made by electroforming of the master film. Synonyms: father matrix
Metal second metal positive
The second metal matrix made by electroforming of the metal master, with the same grooves as the record, which can play sound. 10
Synonym: mothermatrix
6.55 Metal stamper
GB/T4013—1995
The third metal template for making records made by electroforming from the second stamper. 6.56 Flash
Excess plastic that appears at the edge of a record during the molding process. 6.57
Lateral recording
Recording method in which the vibration direction of the engraving knife is parallel to the record surface. 6.58
Vertical recording
Recording method in which the vibration direction of the engraving knife is perpendicular to the record surface. 6.59
Constant amplitude recording constant amplitude recording Recording method in which the engraving knife is excited by a constant amplitude sinusoidal signal of various frequencies and the amplitude remains constant. constant velocity recording constant velocity recording recording method in which the engraving knife is excited by a constant amplitude sinusoidal signal of each frequency, and the amplitude is inversely proportional to the signal frequency. clickspop
The sudden noise heard when a record is played.
Synonym: pop
crackle
The intermittent instantaneous noise heard when a record is played. 6.63 surface noise surface noise
Noise caused by the groove wall being not smooth enough.
Synonym: hiss
cyclic noise
Noise caused by the record itself during playback and occurring at each revolution. 6.65
mechanical recording
The process of recording a signal in the form of permanent deformation on a blank film by engraving. 6.66
Tape-to-disk transfer cutting on disk The process of converting the pre-recorded audio signal on the tape into the sound groove on the original film through electromechanical transduction. 6.67Vertical cutting angle The angle between the direction of movement of the knife tip without elastic deformation and the normal line of the recording film surface is measured in the counterclockwise direction when the cutting head is observed from the left side of the groove feeding screw.
6.68Vertical modulation angle Due to the elastic rebound of the cutting knife system and the record material, the actual vertical cutting inclination angle on the record is less than the vertical cutting angle.
6.69Cutting lathe
A mechanical device for cutting recording grooves on blank film, consisting of a turntable rotating at a constant speed, a cutting head mounted above the turntable and moving radially, and a series of auxiliary equipment.
6.70 Cutterhead
An electromechanical transducer that converts electrical signals into mechanical displacement. It cuts grooves on a blank film rotating at a rated speed through a cutting knife.
Cutter
Jcutting stylus
A specially shaped heated tool made of very hard material is used to cut grooves on a blank film. 6.72 Electrodynamic cutterhead An electrodynamic cutter head in which the displacement of the cutting knife is caused by the movement of a coil in an alternating magnetic field. 1127
Finishing groove
A circular soundless groove behind the lead-out groove, used to stop the pickup from moving radially. Eccentric finishing grooveA soundless groove whose center does not coincide with the center of the record, generally used to control the change of records in automatic record changers. Lead-over groove
A spiral soundless groove connecting two sections of groove. Groove with variable pitchA groove whose average pitch varies with the modulation amplitude. Groove with variable depthA groove whose average depth varies with the modulation amplitude. 6.32Recorded surface
The part of a record with grooves.
Inner diameter of the recorded surfaceInner diameter of the recorded surfaceThe diameter of the final groove, immediately below the lead-out groove. 6.34Outer diameter of the recorded surface9
The diameter of the initial groove.
6.35 markerspace
The portion of a record occupied by the transition groove.
6.36 label
GB/T4013—1995
The piece of paper printed with the content, edition number, name of the publisher and manufacturer in the center of the record. 6.37
grooveguard
The thicker center and outer edge of a record to protect the recording surface of the record from wear. automatic pitch controlautomatic pitch controlThe process of automatically increasing the groove pitch due to an increase in the lateral component of the recording velocity. horns of agroove
When recording a groove, a harmful ridge of the groove edge that is higher than the recording surface of the record is produced. Synonyms: horn
unfill; blow-hole
A defect in the upper part of the groove edge caused by a lack of material during pressing. 6.41
warping of a disc warpofadisk
the phenomenon of the flat surface of a disc bending and deforming.
moirepattern
the abnormal ripples on the recording surface formed when the groove width and groove depth are modulated by very low-frequency interference signals during recording. moulding
the method of making a disc by forming a metal template. 6.44
injectionmoulding
the method of making a disc by injecting viscous plastic into a cavity mold compressionmoulding
the method of making a disc by feeding a preheated and softened block into a cavity mold. 6.46
diskplastic
the material used to make discs after the polymer resin and additives are mixed and plasticized. 6.47
pelletsgranules
granular plastic for discs.
3 biscuit
Prefabricated plastic block for recording.
Blank film blanklacquer, unrecordeddiskA disc coated with nitrocellulose on an aluminum plate for recording masters. Silvering
The process of spraying silver on the surface of the master film to form a conductive layer. Master film lacqueroriginal; productionacetateFilm with recorded grooves.
Metal matrix metalmatrix
For making records, including metal master, second and third plates formed by electroforming. Master negative masteroriginal6.53
The first metal matrix made by electroforming of the master film. Synonyms: father matrix
Metal second metal positive
The second metal matrix made by electroforming of the metal master, with the same grooves as the record, which can play sound. 10
Synonym: mothermatrix
6.55 Metal stamper
GB/T4013—1995
The third metal template for making records made by electroforming from the second stamper. 6.56 Flash
Excess plastic that appears at the edge of a record during the molding process. 6.57
Lateral recording
Recording method in which the vibration direction of the engraving knife is parallel to the record surface. 6.58
Vertical recording
Recording method in which the vibration direction of the engraving knife is perpendicular to the record surface. 6.59
Constant amplitude recording constant amplitude recording Recording method in which the engraving knife is excited by a constant amplitude sinusoidal signal of various frequencies and the amplitude remains constant. constant velocity recording constant velocity recording recording method in which the engraving knife is excited by a constant amplitude sinusoidal signal of each frequency, and the amplitude is inversely proportional to the signal frequency. clickspop
The sudden noise heard when a record is played.
Synonym: pop
crackle
The intermittent instantaneous noise heard when a record is played. 6.63 surface noise surface noise
Noise caused by the groove wall being not smooth enough.
Synonym: hiss
cyclic noise
Noise caused by the record itself during playback and occurring at each revolution. 6.65
mechanical recording
The process of recording a signal in the form of permanent deformation on a blank film by engraving. 6.66
Tape-to-disk transfer cutting on disk The process of converting the pre-recorded audio signal on the tape into the sound groove on the original film through electromechanical transduction. 6.67Vertical cutting angle The angle between the direction of movement of the knife tip without elastic deformation and the normal line of the recording film surface is measured in the counterclockwise direction when the cutting head is observed from the left side of the groove feeding screw.
6.68Vertical modulation angle Due to the elastic rebound of the cutting knife system and the record material, the actual vertical cutting inclination angle on the record is less than the vertical cutting angle.
6.69Cutting lathe
A mechanical device for cutting recording grooves on blank film, consisting of a turntable rotating at a constant speed, a cutting head mounted above the turntable and moving radially, and a series of auxiliary equipment.
6.70 Cutterhead
An electromechanical transducer that converts electrical signals into mechanical displacement. It cuts grooves on a blank film rotating at a rated speed through a cutting knife.
Cutter
Jcutting stylus
A specially shaped heated tool made of very hard material is used to cut grooves on a blank film. 6.72 Electrodynamic cutterhead An electrodynamic cutter head in which the displacement of the cutting knife is caused by the movement of a coil in an alternating magnetic field. 1136 Label
GB/T4013—1995
A piece of paper printed with the content, edition number, name of the publisher and manufacturer in the center of the record. 6.37
Grooveguard
The thicker center and outer edge parts of a record to protect the recording surface of the record from wear. Automatic pitch controlautomatic pitch controlThe process of automatically increasing the groove pitch due to the increase in the lateral component of the recording velocity. Horns of agroove
When recording grooves, harmful groove edge ridges that are higher than the recording surface of the record are produced. Synonyms: Horn
Unfill; Blow-hole
A defect on the upper part of the groove edge caused by lack of material during pressing. 6.41
Warp||Disk
The phenomenon of bending and deformation of the record plane.
Moire pattern
When recording, the groove width and groove depth are modulated by very low-frequency interference signals, which form abnormal ripples on the recording surface. Moulding
A method of making records by forming metal templates. 6.44
Injection moulding
A method of making records by injecting viscous plastic into a cavity mold. Compression moulding
A method of making records by feeding preheated and softened blocks into a cavity mold. 6.46
Disk plastic
Material that is mixed and plasticized with polymer resin and additives for making records. 6.47
Pellets granules
Plastic for recordings in granular form.
3Biscuit
Prefabricated plastic blocks for recordings.
Blank film blanklacquer, unrecordeddiskA disc coated with nitrocellulose on an aluminum plate for making recording masters. Silvering
The process of spraying silver on the surface of a master film to form a conductive layer. Master film lacqueroriginal;productionacetateFilm with recorded grooves.
Metal matrixmetalmatrix
For use in making records, including metal master, second and third plates formed by electroforming. Master negativemasteroriginal6.53
The first metal matrix made by electroforming from the master film. Synonyms: Father matrixfather matrix
Metal second metal positive
The second metal matrix made by electroforming from the metal master, with the same grooves as the record, so it can play sound. 10
Synonym: mothermatrix
6.55 Metal stamper
GB/T4013—1995
The third metal template for making records made by electroforming from the second stamper. 6.56 Flash
Excess plastic that appears at the edge of a record during the molding process. 6.57
Lateral recording
Recording method in which the vibration direction of the engraving knife is parallel to the record surface. 6.58
Vertical recording
Recording method in which the vibration direction of the engraving knife is perpendicular to the record surface. 6.59
Constant amplitude recording constant amplitude recording Recording method in which the engraving knife is excited by a constant amplitude sinusoidal signal of various frequencies and the amplitude remains constant. constant velocity recording constant velocity recording recording method in which the engraving knife is excited by a constant amplitude sinusoidal signal of each frequency, and the amplitude is inversely proportional to the signal frequency. clickspop
The sudden noise heard when a record is played.
Synonym: pop
crackle
The intermittent instantaneous noise heard when a record is played. 6.63 surface noise surface noise
Noise caused by the groove wall being not smooth enough.
Synonym: hiss
cyclic noise
Noise caused by the record itself during playback and occurring at each revolution. 6.65
mechanical recording
The process of recording a signal in the form of permanent deformation on a blank film by engraving. 6.66
Tape-to-disk transfer cutting on disk The process of converting the pre-recorded audio signal on the tape into the sound groove on the original film through electromechanical transduction. 6.67Vertical cutting angle The angle between the direction of movement of the knife tip without elastic deformation and the normal line of the recording film surface is measured in the counterclockwise direction when the cutting head is observed from the left side of the groove feeding screw.
6.68Vertical modulation angle Due to the elastic rebound of the cutting knife system and the record material, the actual vertical cutting inclination angle on the record is less than the vertical cutting angle.
6.69Cutting lathe
A mechanical device for cutting recording grooves on blank film, consisting of a turntable rotating at a constant speed, a cutting head mounted above the turntable and moving radially, and a series of auxiliary equipment.
6.70 Cutterhead
An electromechanical transducer that converts electrical signals into mechanical displacement. It cuts grooves on a blank film rotating at a rated speed through a cutting knife.
Cutter
Jcutting stylus
A specially shaped heated tool made of very hard material is used to cut grooves on a blank film. 6.72 Electrodynamic cutterhead An electrodynamic cutter head in which the displacement of the cutting knife is caused by the movement of a coil in an alternating magnetic field. 1136 Label
GB/T4013—1995
A piece of paper printed with the content, edition number, name of the publisher and manufacturer in the center of the record. 6.37
Grooveguard
The thicker center and outer edge parts of a record to protect the recording surface of the record from wear. Automatic pitch controlautomatic pitch controlThe process of automatically increasing the groove pitch due to the increase in the lateral component of the recording velocity. Horns of agroove
When recording grooves, harmful groove edge ridges that are higher than the recording surface of the record are produced. Synonyms: Horn
Unfill; Blow-hole
A defect on the upper part of the groove edge caused by lack of material during pressing. 6.41
Warp||Disk
The phenomenon of bending and deformation of the record plane.
Moire pattern
When recording, the groove width and groove depth are modulated by very low-frequency interference signals, which form abnormal ripples on the recording surface. Moulding
A method of making records by forming metal templates. 6.44
Injection moulding
A method of making records by injecting viscous plastic into a cavity mold. Compression moulding
A method of making records by feeding preheated and softened blocks into a cavity mold. 6.46
Disk plastic
Material that is mixed and plasticized with polymer resin and additives for making records. 6.47
Pellets granules
Plastic for recordings in granular form.
3Biscuit
Prefabricated plastic blocks for recordings.
Blank film blanklacquer, unrecordeddiskA disc coated with nitrocellulose on an aluminum plate for making recording masters. Silvering
The process of spraying silver on the surface of a master film to form a conductive layer. Master film lacqueroriginal;productionacetateFilm with recorded grooves.
Metal matrixmetalmatrix
For use in making records, including metal master, second and third plates formed by electroforming. Master negativemasteroriginal6.53
The first metal matrix made by electroforming from the master film. Synonyms: Father matrixfather matrix
Metal second metal positive
The second metal matrix made by electroforming from the metal master, with the same grooves as the record, so it can play sound. 10
Synonym: mothermatrix
6.55 Metal stamper
GB/T4013—1995
The third metal template for making records made by electroforming from the second stamper. 6.56 Flash
Excess plastic that appears at the edge of a record during the molding process. 6.57
Lateral recording
Recording method in which the vibration direction of the engraving knife is parallel to the record surface. 6.58
Vertical recording
Recording method in which the vibration direction of the engraving knife is perpendicular to the record surface. 6.59
Constant amplitude recording constant amplitude recording Recording method in which the engraving knife is excited by a constant amplitude sinusoidal signal of various frequencies and the amplitude remains constant. constant velocity recording constant velocity recording recording method in which the engraving knife is excited by a constant amplitude sinusoidal signal of each frequency, and the amplitude is inversely proportional to the signal frequency. clickspop
The sudden noise heard when a record is played.
Synonym: pop
crackle
The intermittent instantaneous noise heard when a record is played. 6.63 surface noise surface noise
Noise caused by the groove wall being not smooth enough.
Synonym: hiss
cyclic noise
Noise caused by the record itself during playback and occurring at each revolution. 6.65
mechanical recording
The process of recording a signal in the form of permanent deformation on a blank film by engraving. 6.66
Tape-to-disk transfer cutting on disk The process of converting the pre-recorded audio signal on the tape into the sound groove on the original film through electromechanical transduction. 6.67Vertical cutting angle The angle between the direction of movement of the knife tip without elastic deformation and the normal line of the recording film surface is measured in the counterclockwise direction when the cutting head is observed from the left side of the groove feeding screw.
6.68Vertical modulation angle Due to the elastic rebound of the cutting knife system and the record material, the actual vertical cutting inclination angle on the record is less than the vertical cutting angle.
6.69Cutting lathe
A mechanical device for cutting recording grooves on blank film, consisting of a turntable rotating at a constant speed, a cutting head mounted above the turntable and moving radially, and a series of auxiliary equipment.
6.70 Cutterhead
An electromechanical transducer that converts electrical signals into mechanical displacement. It cuts grooves on a blank film rotating at a rated speed through a cutting knife.
Cutter
Jcutting stylus
A specially shaped heated tool made of very hard material is used to cut grooves on a blank film. 6.72 Electrodynamic cutterhead An electrodynamic cutter head in which the displacement of the cutting knife is caused by the movement of a coil in an alternating magnetic field. 1153
The first metal template made by electroforming from the original film. Synonyms: father matrix
metal positive
The second metal template made by electroforming from the metal first plate, its sound groove is the same as the record groove, which can play sound. 10
Synonyms: mother matrix
6.55 Metal stamper
GB/T4013—1995
The third metal template for making records made by electroforming from the second plate. 6.56 Flash
The excess plastic that appears on the edge of the record during the molding process. 6.57
lateral recording
The recording method in which the engraving knife vibrates parallel to the record surface. 6.58
vertical recording
A recording method in which the vibration direction of the engraving knife is perpendicular to the record surface. 6.59
Constant amplitude recordingconstant amplitude recordingrecordingA recording method in which the engraving knife is excited by a constant amplitude sinusoidal signal of each frequency, and the amplitude remains constant. Constant velocity recordingconstant velocity recordingrecordingA recording method in which the engraving knife is excited by a constant amplitude sinusoidal signal of each frequency, and the amplitude is inversely proportional to the signal frequency. Clickspop
The sudden noise heard when a record is played.
Synonym: Explosion
Crackle
The intermittent instantaneous noise heard when a record is played. 6.63Surface noisesurface noise
Noise caused by the groove wall not being smooth enough.
Synonyms: hiss
cyclic noise
Noise caused by the record itself during playback. 6.65
Mechanical recording
The process of recording a signal on a blank film in the form of a permanent deformation by means of a groove. 6.66
Tape-to-disk transfer cutting on disk The process of converting the pre-recorded audio signal on the magnetic tape into the sound groove on the original film by means of electromechanical transduction. 6.67Vertical cutting anglevertical cutting angleThe angle between the direction of motion of the knife tip without elastic deformation and the normal to the surface of the recording film measured in the counterclockwise direction from the left side of the groove feed screw when the cutting head is located.
6.68Vertical modulation anglevertical modulation angleDue to the elastic rebound of the cutting knife system and the record material, the actual vertical cutting angle on the record is smaller than the vertical cutting angle.
6.69 Cutting lathe
A mechanical device for cutting grooves on blank film, consisting of a turntable rotating at a constant speed, a cutting head mounted above the turntable and moving radially, and a series of auxiliary equipment.
6.70 Cutting head cutterhead
An electromechanical transducer that converts electrical signals into mechanical displacements. It cuts grooves on blank film rotating at a rated speed through a cutting knife.
Cutting knife
Jcutting stylus
A specially shaped heated tool made of very hard material, used to cut grooves on blank film. 6.72 Electrodynamic cutterhead A cutting head in which the displacement of the cutting knife is caused by the movement of a coil in an alternating magnetic field. 1153
The first metal template made by electroforming from the original film. Synonyms: father matrix
metal positive
The second metal template made by electroforming from the metal first plate, its sound groove is the same as the record groove, which can play sound. 10
Synonyms: mother matrixwww.bzxz.net
6.55 Metal stamper
GB/T4013—1995
The third metal template for making records made by electroforming from the second plate. 6.56 Flash
The excess plastic that appears on the edge of the record during the molding process. 6.57
lateral recording
The recording method in which the engraving knife vibrates parallel to the record surface. 6.58
vertical recording
A recording method in which the vibration direction of the engraving knife is perpendicular to the record surface. 6.59
Constant amplitude recordingconstant amplitude recordingrecordingA recording method in which the engraving knife is excited by a constant amplitude sinusoidal signal of each frequency, and the amplitude remains constant. Constant velocity recordingconstant velocity recordingrecordingA recording method in which the engraving knife is excited by a constant amplitude sinusoidal signal of each frequency, and the amplitude is inversely proportional to the signal frequency. Clickspop
The sudden noise heard when a record is played.
Synonym: Explosion
Crackle
The intermittent instantaneous noise heard when a record is played. 6.63Surface noisesurface noise
Noise caused by the groove wall not being smooth enough.
Synonyms: hiss
cyclic noise
Noise caused by the record itself during playback. 6.65
Mechanical recording
The process of recording a signal on a blank film in the form of a permanent deformation by means of a groove. 6.66
Tape-to-disk transfer cutting on disk The process of converting the pre-recorded audio signal on the magnetic tape into the sound groove on the original film by means of electromechanical transduction. 6.67Vertical cutting anglevertical cutting angleThe angle between the direction of motion of the knife tip without elastic deformation and the normal to the surface of the recording film measured in the counterclockwise direction from the left side of the groove feed screw when the cutting head is located.
6.68Vertical modulation anglevertical modulation angleDue to the elastic rebound of the cutting knife system and the record material, the actual vertical cutting angle on the record is smaller than the vertical cutting angle.
6.69 Cutting lathe
A mechanical device for cutting grooves on blank film, consisting of a turntable rotating at a constant speed, a cutting head mounted above the turntable and moving radially, and a series of auxiliary equipment.
6.70 Cutting head cutterhead
An electromechanical transducer that converts electrical signals into mechanical displacements. It cuts grooves on blank film rotating at a rated speed through a cutting knife.
Cutting knife
Jcutting stylus
A specially shaped heated tool made of very hard material, used to cut grooves on blank film. 6.72 Electrodynamic cutterhead A cutting head in which the displacement of the cutting knife is caused by the movement of a coil in an alternating magnetic field. 11
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.