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SMPTE 251M

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Television Analog Recording – 1/2-in Type M-2 – Electrical Parameters of Video, Audio, Time and Control Code and Tracking Control

Published by	Publication Date	Number of Pages
SMPTE	01/01/1996		0

Category: SMPTE

Description

SMPTE 251M – Television Analog Recording – 1/2-in Type M-2 – Electrical Parameters of Video, Audio, Time and Control Code and Tracking Control

This standard specifies the recording system for the video, audio, time and control code, and tracking control signals for 1/2-in type M-2 helical-scan video tape recorders operating with video signals having a typical scanning structure of 525 lines, 59.94 fields/s, 2:1 interlace, and utilizing the video cassettes specified in ANSI/SMPTE 250M.The audio frequency modulation (AFM) recording shown in this standard is optional. Pulse code modulation (PCM) audio recording mode with limited interchangeability, as defined in ANSI/SMPTE 249M, is a secondary audio recording mode which is specified in ANSI/SMPTE 252M.