Le audio specification overview

One 、LE Audio framework

Two 、 Definition LE Audio Bluetooth specification for

Specification	Description
Bluetooth Core Specification	The core specification of Bluetooth is 2019 year 12 The month is strengthened , To support Bluetooth LE Transmit audio , Including the new LE Synchronous channel （Isochronous Channels） function .
LC3: Low Complexity Communications Codec	2020 year 9 The new specification released in September defines high quality , Low power audio codec .
Generic Audio Framework Specifications	A new set of specifications , These specifications define what is used to pass Bluetooth LE Flexible middleware for controlling audio .
Basic Audio BAP: Basic Audio Profile PACS: Published Audio Capabilities Service ASCS: Audio Stream Control Service BASS: Broadcast Audio Scan Service	A set of new specifications that define the basic interoperability of audio devices , Including function discovery and configuration of unicast and broadcast audio streams .
Media Control MCP: Media Control Profile MCS: Media Control Service	A new set of specifications defining media control .
Call Control CCP: Call Control Profile TBS: Telephone Bearer Service	A new set of specifications defining call control .
Common Audio CAP: Common Audio Profile	A new specification , It defines the coordinated use of various audio controls in the case of multiple devices and services .
Coordinated Devices CSIP: Coordinated Set Identification Profile CSIS: Coordinated Set Identification Service	A new set of specifications , These specifications define how devices are identified and handled as part of a coordinated set . （ for example ,tws Earplugs , Home stereo speakers ）.
Microphone Control MICP: Microphone Control Profile MICS: Microphone Control Service	Define a new set of specifications for microphone control .
Volume Control VCP: Volume Control Profile VCS: Volume Control Service VOCS: Volume Offset Control Service AICS: Audio Input Control Service	A new set of specifications defining volume control .
Use Case Profiles	A new set of specifications , These specifications define interoperability support for existing and new audio use cases .