Recording apparatus with a control for selecting a gain adjustme

Details Recording apparatus with a control for selecting a gain adjustme Recording apparatus with a control for selecting a gain adjustme

1996-12-04

1999-01-05

Huber, Paul W.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of the amplifier

360 27, G11B 502

Patent

active

058568921

ABSTRACT:
A recording apparatus in which a level of an input signal is adjusted by a variable gain amplifying circuit, and the input signal is recorded onto a recording medium. The level of the input signal is detected, a gain adjustment amount of the variable gain amplifying circuit is determined in accordance with the level of the input signal, a gain of the variable gain amplifying circuit is changed by the determined gain adjustment amount, and the gain adjustment amount is increased as the level of the input signal becomes larger. When the input signal level is low, therefore, the gain control amount is suppressed and, when a possibility such that the input signal level is the peak level of the music source is high and the input signal level is large, the gain adjustment amount is increased in accordance with the input signal level.

REFERENCES:
patent: 4274117 (1981-06-01), Tomita
patent: 5101310 (1992-03-01), Brown
patent: 5606544 (1997-02-01), Katsuhara
patent: 5694386 (1997-12-01), Hirajima et al.

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