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Revdsw of Audio Recording
Principles of Video Recording
15 other sections not shown
alignment Ampex amplifier assembly audio tracks Betamax block diagram braking broadcast camera capacitor capstan servo cassette coil color signal comparator control track correct dc level demodulated dropout editing electronic fm signal format frame frequency head drum head gap head servo head switching head-tach pulse headwheel helical machines helical vtr heterodyne horizontal in/s input low-pass filter luminance magnetic mechanical method modulator monostable mounted multivibrator NTSC operation oscillator output phase picture playback mode played back portable position preamplifier produce pulse quad machines quad-head ramp record and playback record head record mode reel rotary transformers rotating heads scan servo circuit servo control shown in Fig sine wave SMPTE Sony square wave stable subcarrier tach tape speed tape tension time-base errors tonewheel U-matic vary vertical interval vertical sync video head video signal video tracks voltage voltage-controlled oscillator vtr's waveform width wrap