Method for controlling volume level of sound for a display

Details Method for controlling volume level of sound for a display Method for controlling volume level of sound for a display

1990-04-30

1993-03-02

Isen, Forester W.

Electrical audio signal processing systems and devices

Including amplitude or volume control

Remote

381109, 340722, 340753, H03G 300

Patent

active

051916207

ABSTRACT:
A method for controlling a volume level of a sound includes an input discrimination routine, a display routine, an increment routine and a decrement routine, whereby a maximum and minimum level of the PWM output are displayed on the screen. The routines are carried out by a MICOM for receiving a key-input signal and controlling a set. The method may reduce tint phenomenon of the screen by controlling the center level of an OSD(On Screen Display) using 0-64 levels for the OSD according to the output of the MICOM.

REFERENCES:
patent: 4706294 (1987-11-01), Ouchida
patent: 4847785 (1989-07-01), Stephens

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