Patent ID: 9578210
Date: 2017-02-21
CPC Classifications: H04N

Claim:
1. An A/V receiving apparatus comprising: a first interface configured to connect to a display apparatus; a second interface configured to connect to an audio signal output apparatus; and a controller configured to transmit a request for activating an audio signal return channel (ARC) function of the display apparatus, to the display apparatus via the first interface, to transmit an audio signal and a video signal to the display apparatus via the first interface, the audio signal being returned from the display apparatus via an audio signal return channel of the first interface which is activated by the request, the controller being configured to calculate an output time difference of the video signal and the returned audio signal based on a return timing of the returned audio signal, to delay an audio signal to be provided to the audio signal output apparatus according to the output time difference and to transmit the delayed audio signal via the second interface to the audio signal output apparatus.