Digital audio recording apparatus

Details Digital audio recording apparatus Digital audio recording apparatus

1995-02-24

1996-11-12

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

055744532

ABSTRACT:
An audio signal recording device has 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 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: 4053712 (1977-11-01), Reindl
patent: 4590531 (1986-05-01), Platte et al.
patent: 5200750 (1993-04-01), Fushiki
patent: 5208594 (1993-05-01), Yamazaki
patent: 5351048 (1994-09-01), Yamasaki

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