Patent ID: 8375417

Claim:
An audiovisual device comprising: a receiving section configured to receive a digital audio signal; an audio processing section configured to apply predetermined signal processing operations to the received digital audio signal to reproduce audio; a storage section configured to store time information required for the audio signal processing operations at the audio processing section; a rewriting section configured to rewrite the stored time information required for the audio signal processing operations into a value that cannot be generally taken when the audiovisual device is set in an audio mute state and restore the value to an original time information required for the audio signal processing operations when the audiovisual device is cleared from the audio mute state; and a control section configured to output the stored value that cannot be generally taken when the audiovisual device is set in the audio mute state according to an external requirement for the time information required for the audio signal processing operations and output the stored time information required for the audio signal processing operations when the audio visual device is not set in the audio mute state.