Digital noise blanking circuit of CD-ROM system

Details Digital noise blanking circuit of CD-ROM system Digital noise blanking circuit of CD-ROM system

1993-09-16

1995-08-15

Sugarman, Scott J.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369 47, 369 54, 330 51, G11B 700

Patent

active

054426170

ABSTRACT:
A digital noise blanking circuit associated with a Compact Disk-Read Only Memory (CD-ROM) system for preventing a digital noise from being output during power on/off and a computer re-set includes a first mute controller for providing a first mute signal for eliminating a digital noise generated during a power on/off, a second mute controller for providing a second mute signal for eliminating the digital noise generated during a reset of the computer operation and a muting circuit for cutting off the digital noise generated from an audio output terminal of the CD-ROM system by the first and second mute signals output from the first and second mute controller and a third mute signal output from a microcomputer of the CD-ROM system.

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