SMPTE 21M-1997
- Video Recording - 3/4-in Type E Helical Scan - Records
- standard by Society of Motion Picture and Television Engineers,
- Category: SMPTE
$50.00
$25.00
This standard specifies the position, dimensions, and reproducing speed of the nominal 5.08-mm (0.200-in) center-position magnetic audio record on 16-mm motion-picture film.
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