Non-broadcast video tape recorders - Methods of measurement - Part 3: Audio characteristics for FM recording
49 стр.
Действует
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Разработчик:
Зарубежные/IEC
ICS:
33.160.40 Video. Including video tape recorders, cameras, cassettes, laser disks, etc. / Видеосистемы. Включая видеомагнитофоны, камеры, кассеты, лазерные диски и т.д.
Описание
Concerns the measurement of overall characteristics of the FM audio recorded using slanted tracks similar to those used for recording of the video information. The main characteristics of such a recording system are two channels high fidelity and the use of companders for noise reduction.