WHAT IS BIT STREAM RECORDING?

Bit stream recording is a method of recording compressed or processed (e.g.encrypted) signals, such as those of digital broadcasts, on a tape directly as digital data, and outputting them in the same state as they were input.

Therefore, a bit stream recording unit does not incorporate functions like analog-to-digital (A/D) conversion, digital-to-analog (D/A) conversion, digital compression/decompression, or descrambling. So, video and audio signals cannot be produced using that unit alone. To reproduce video and audio signals, the bit stream data must go through a digital broadcast receiver's circuits that convert the digital data to video and audio signals.

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