Apparatus and method for controlling sound for audio/video appli

Details Apparatus and method for controlling sound for audio/video appli Apparatus and method for controlling sound for audio/video appli

1997-12-09

2000-12-26

Isen, Forester W.

Electrical audio signal processing systems and devices

Including frequency control

Automatic tone control

381104, 84622, H03G 900, H03G 300

Patent

active

061671398

ABSTRACT:
A sound control apparatus and method for an audio/video appliance are disclosed. The apparatus includes a sound control section for controlling and outputting volume and tone of a sound signal, a sound output section for outputting the sound signal from the sound control section to a speaker, and a key input section for adjusting the volume and tons of the sound signal, the apparatus comprising a controller, connected to the sound control section and the key input section, for displaying symbols representative of the volume and tone level in accordance with the input of the key input section, a memory for storing threshold values of the tone level corresponding to different levels of the volume, respectively, an on-screen display (OSD) processor for processing an OSD signal corresponding to data to be displayed as the symbols inputted from the controller, an image output section for outputting the OSD signal from the OSD processor being superimposed on an image signal, and a display for displaying the OSD signal superimposed on the image signal.

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