GB/T 7428-1994
AbolishedHead gaps for two sound records on 16mm magnetic film--Positions and width dimensions
16mm磁片上两声轨磁头隙缝的位置和宽度尺寸
Application Summary AI generated
This standard specifies the precise positions and width dimensions for head gaps used in recording two sound tracks on 16mm magnetic film. It is applied in the manufacturing and testing of audio recording and playback equipment for motion picture and professional audio systems that utilize 16mm magnetic film. The standard ensures mechanical compatibility and correct signal alignment between different devices handling dual-track magnetic film recordings.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.