O'Reilly logo

Consumer Electronics by S. P. Bali

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

8 MM FORMAT

The 8 mm video format has been designed to meet the requirements of smaller size and lighter weight. The 8 mm video tape is only 8 mm wide as compared to the VHS video tape, which is only 12.6 mm wide. As a result the mechanism is much smaller. In the 8 mm video system, the tape runs at 14.3 mm per second and utilises a 40 mm drum with a 221° wrap.

The 8 mm format features an FM hi-fi audio recording system. The audio signal is recorded as an FM carrier. Although most 8 mm systems can only record mono audio, provisions have been made in the format to record stereo pulse code modulation (PCM) audio. As Table 33.2 shows, this gives 8 mm a far better performance than VHS-C (C for compact) with a 75 dB dynamic range and a low 0.05 per ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required