This paper describes the functions and the composition of a Digital Multichannel Recorder (DMR). The DMR is the recording unit to realize the 8-channel digital audio recording and the digital editing for professional and semi-professional use. By using the DMR with subsystems, the following functions are available: 1) 8-channel digital recording with 8-mm wide tape, 2) the 20-bit linear quantization and 48, 44.1, 33kHz sampling frequencies, 3) punch in/out, synchronized recording with other channel and mixdown, and 4) analog signal and auxiliary information recording. What's more, this unit realizes a lower cost and is compact in size.
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