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[BLUETOOTH] Bluetooth Core Specification version 4.0 or later
Terms and Definitions
Term | Definition |
|---|---|
Adaptive Differential Pulse-Code Modulation | A compression algorithm that varies the size of the quantization step, allowing further reduction of the required bandwidth for a given signal-to-noise ratio. |
Opus |
Abbreviations and Acronyms
Abbrv | Acronym |
|---|---|
ADPCM | Adaptive Differential Pulse-Code Modulation |
RVS | RDK Voice Service |
BLE Voice Overview
The RDK Voice Service exposes data and associated formatting for streaming voice audio from an RDK Remote Control Device to an RDK based STB.
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Table below summarises additional GATT sub-procedure requirements beyond those required by all GATT Servers.
GATT Sub-Procedure | Requirement |
|---|---|
Read Characteristic Value | M |
Write Characteristic Value | M |
Write Without Response | O |
Notification | M |
Read Characteristic Descriptors | M |
Write Characteristic Descriptors | M |
Transport Dependencies
The service shall only operate over an LE transport.
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All characteristics used with this service shall be transmitted with the least significant octet first (i.e., little endian).
Service Requirements
Service Declaration
The service UUID shall be set to: TBD
Service Roles
A remote control or similar low power device enabled with one or multiple microphones should function as an RVS Server.
A settop box or other host capable of processing transmitted voice data should function as an RVS Client
Service Sequence Examples
Push-to-talk Voice Session Sequence
Explicitly Rejected Push-to-talk Voice Session Sequence
Far-Field Voice Session Sequence
Characteristic Overview
Overview
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