CPC G10L 15/22 (2013.01) | 17 Claims |
1. An electronic device for externally adding voice control functionality to a source device, the electronic device comprising:
memory;
a processor;
an audio input interface;
a first communication interface;
a second communication interface; and
an audio encoder,
wherein the processor is configured to:
receive, by the first communication interface, first return audio data from a sink device;
receive, by the audio input interface, an audio signal corresponding to a voice command from a transducer;
encode, by the audio encoder, the audio signal to obtain second return audio data; and
output, by the second communication interface, the second return audio data to the source device as an instruction to control a function of the source device, and
wherein:
the electronic device is a stand-alone device that is external to at least the source device and the sink device;
the first communication interface is an HDMI-ARC interface;
the second communication interface is an HDMI-ARC interface; and
the processor is configured to encode, by the audio encoder, the audio signal to obtain the second return audio data in an HDMI-ARC format.
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