Audio signal output selection circuit and method of musical method high-definition television

摘要

When selecting the output signal of the voice signal in the high-definition TV, it is necessary to prepare the selection code in the main part according to all the contents selected by the user, and it is difficult to know the transmission state of the current four channels It is inconvenient to use and it is a technique for improving deterioration of voice signal due to skewing. For this purpose, a current voice transmission state of each channel according to a voice transmission channel control code is displayed on a screen through on-screen display means, and output selection information is generated in response to voice signal output selection from key input means, And the audio data of the channel is mutually exclusively switched by the output selection information to select and designate each output channel. Therefore, the user can easily and easily select the audio signal to be output, and at the same time, the deterioration of the audio signal due to the switching can be prevented.