Low overhead control channel for wireless audio systems
AssigneeShure Acquisition Holdings, Inc.
InventorMichael Rodriguez
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Abstract
A wireless audio system using low overhead in-band control and audio transmission is provided. The wireless audio system includes a first wireless audio device configured to operate separate physical layer channels for audio data and control data, and transmit the audio data and control data using a single wideband carrier. The wireless audio system also includes one or more second wireless audio devices configured to receive the audio data and control data, and execute an instruction based on the control data.
Claims20
A wireless audio device comprising:
- a processor configured to:
- communicate using a frame scheme comprising a plurality of frames, wherein each of the plurality of frames includes a broadcast channel slot;
- receive a physical layer parameter included in the broadcast channel slot;
- determine a modulation scheme corresponding to a control channel based on the physical layer parameter;
- and
- decode control data received via the control channel using the modulation scheme.
A wireless audio device comprising:
- a processor configured to:
- operate a first physical layer channel using audio data having a first modulation scheme;
- operate a second physical layer channel using control data having a second modulation scheme;
- modify the second modulation scheme of the control data based on a desired control data latency;
- and
- transmit the audio data and the control data using a single wideband carrier.
A method of operating a wireless audio device of an audio system, the method comprising:
- operating a first physical layer channel using audio data having a first modulation scheme;
- operating a second physical layer channel using control data having a second modulation scheme;
- modifying the second modulation scheme of the control data based on a desired capacity of the audio system;
- and
- transmitting the audio data and the control data using a single wideband carrier.
Dependencies are inferred from the claim text.