Apparatus and method of setting sound mode

Apparatus for automatically adapting the mean sound level of a t

Apparatus for automatically selecting audio signal of...

Apparatus for integrally controlling audio and video signals in

Audio signal adjusting apparatus

Audio volume control

Automatic volume leveler

Broadcast receiving apparatus and method having volume control

Broadcast receiving device and method for simultaneously...

Broadcast sound signal processing circuit

Circuit arrangement for demmodulating the sound signals in a tel

Circuit for automatic discrimination of audio intermediate...

Circuit for controlling an audio signal output of a television

Color television system having broadcast program adaptive video/

Digital broadcast receiver that switches between NICAM audio and

Digital television

Electronic apparatus and method for adjusting audio level

Home entertainment system audio handling

Image display apparatus having sound level control function...

Language switching method and digital broadcast receiver...