Notification system with voice in an audio system

Details Notification system with voice in an audio system Notification system with voice in an audio system

1991-03-27

1994-02-15

Levy, Stuart S.

Dynamic information storage or retrieval

Combined independent audio systems

Combining signals to form composite

369 2, 369 22, 340539, 340692, 360 12, G08B 108, H04B 120, G11B 3100

Patent

active

052873331

ABSTRACT:
An FM audio system has an FM tuner, a CD player, a stereo modulator for modulating an audio signal from the CD player to produce a composite signal so as to be received by the FM tuner, for reproducing the audio signal. A notification system has a controller and a muting circuit. The controller produces a control signal in response to the changing of function of the CD player. The muting circuit attenuates the audio signal from CD player in accordance with the control signal. Speech information is generated in response to the changing of the function of the CD player. The speech information is added to an attenuated audio signal and applied to the stereo modulator so as to reproduce the audio signal together with the speech information.

REFERENCES:
patent: 3908180 (1975-09-01), Braginsky
patent: 3922716 (1975-11-01), Arnold
patent: 4365315 (1982-12-01), Jamnik
patent: 4389639 (1983-06-01), Torii et al.
patent: 4400787 (1983-08-01), Mandel et al.

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