Digital audio transmission apparatus

Details Digital audio transmission apparatus Digital audio transmission apparatus

1995-08-04

1998-02-17

Gaffin, Jeffrey A.

Coded data generation or conversion

Analog to or from digital conversion

Differential encoder and/or decoder

341144, 358400, H04N 138, H03M 700

Patent

active

057195749

ABSTRACT:
An audio signal recording device having an input terminal, a modulator for modulating an input signal, a detecting circuit for detecting whether an input signal maintains a fixed value for a predetermined period of time, a signal generator for generating an idling signal, a delay circuit for delaying a modulated input signal and a switch for alternately inputting either the idling signal or modulated input signal to a recording circuit.

REFERENCES:
patent: 4775851 (1988-10-01), Borth
patent: 5450381 (1995-09-01), Tsukamura et al.

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