Rendering of a multi-channel audio signal
AssigneeSagemcom Broadband SAS
InventorsSébastien MALISSARD, Vincent SCHOTT, Frédéric SODI
Life of this patent
Estimating the term…
Abstract
An accessory equipment includes a wireless communication circuit, and a routing circuit arrange to receive from a source equipment, via the input port and the first wired link, a digital audio-video signal including a video signal and audio channels, the audio channels including at least one first audio channel belonging to a multi-channel audio signal, and at least one second audio channel, transmit to the wireless communication circuit only the at least one first audio channel for the wireless communication circuit to transmit to at least one audio rendering equipment via a wireless link, and transmit to the audio-video rendering equipment only the video signal and the at least one second audio channel.
Claims16
An accessory equipment, comprising:
- an input port arranged to be connected to a set-top-box by a first wired link, and an output port arranged to be connected to audio-video rendering equipment by a second wired link;
- a wireless communication circuit;
- a routing circuit arranged to:
- receive from the set-top box, via the input port and the first wired link, a digital audio-video signal comprising a video signal and audio channels, the audio channels comprising at least one first audio channel belonging to a multi-channel audio signal, and at least one second audio channel;
- transmit to the wireless communication circuit only the at least one first audio channel for the wireless communication circuit to transmit to at least one audio rendering equipment via a wireless link;
- transmit to the audio-video rendering equipment only the video signal and the at least one second audio channel.
A set-top box, comprising:
- an output port arranged to be connected to an accessory equipment via a first wired link;
- a processing unit arranged to:
- acquire a digital audio-video signal comprising a video signal and a multi-channel audio signal;
- apply at least one first specific delay to at least one first audio channel and at least one second specific delay to at least one second audio channel of the multi-channel audio signal;
- transmit the video signal and the at least one first audio channel to the accessory equipment via the output port and the first wired link, so that the accessory equipment retransmits the video signal to the audio-video rendering equipment via a second wired link and the at least one first audio channel to at least one audio rendering equipment via a wireless link;
- transmit the at least one second audio channel to the accessory equipment via the output port and the first wired link for its rendering by the audio-video rendering equipment, or else to an internal audio rendering device integrated in the set-top box for its rendering by said audio rendering device;
- the first specific delay(s) and the second specific delay(s) being defined depending on audio rendering capabilities of the at least one audio rendering equipment, of the audio-video rendering equipment or the internal audio rendering device, and/or depending on features of the second wired link and the wireless link.
(canceled)
Dependencies are inferred from the claim text.