下一代Bluetooth®音频的新架构。

LE Audio引入了一个全新的架构,以支持使用Bluetooth 技术的音频应用,并为未来20年的无线音频创新奠定了基础。本页概述了定义LE Audio的增强型、新型和即将推出的Bluetooth 规范。

Bluetooth 定义LE音频的规范

Specification Description

Bluetooth Core Specification

The Bluetooth Core Specification was enhanced in December 2019 to enable delivery of audio over Bluetooth LE, including a new LE Isochronous Channels feature.

LC3: Low Complexity Communications Codec

A new specification released in September 2020 that defines a high-quality, low-power audio codec.

Generic Audio Framework Specifications

A set of new specifications that define a flexible middleware for transmitting and controlling audio over Bluetooth LE.

 

Stream Management

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 basic interoperability for audio devices, including capability discovery and configuration of unicast and broadcast audio streams.

 

Media Control

MCP: Media Control Profile

MCS: Media Control Service

A set of new specifications that define media control.

 

Call Control

CCP: Call Control Profile

TBS: Telephone Bearer Service

A set of new specifications that define call control for all types of telephony.

 

Common Audio

CAP: Common Audio Profile

CAS: Common Audio Service

A set of new specifications that defines the application of isochronous audio streams with multiple devices in multi-service situations, along with the integration of media and volume controls.

 

Coordinated Devices

CSIP: Coordinated Set Identification Profile

CSIS: Coordinated Set Identification Service

A set of new specifications that define how to identify and treat devices as part of a coordinated set. (e.g., true wireless earbuds, home stereo speakers).

 

Microphone Control

MICP: Microphone Control Profile

MICS: Microphone Control Service

A set of new specifications that define microphone control.

 

Volume Control

VCP: Volume Control Profile

VCS: Volume Control Service

VOCS: Volume Offset Control Service

AICS: Audio Input Control Service

A set of new specifications that define volume control and balance.

Use Case Profiles

A set of new specifications that define interoperable support for existing and new audio use cases based on LE Audio.

 

TMAP: Telephony and Media Audio Profile

A new specification that defines global, interoperable support for telephony and media audio, replicating and extending the two primary use cases for Bluetooth Classic Audio today.

 

HAP: Hearing Access Profile

HAS: Hearing Access Service

A new set of specifications that define global, interoperable support for Bluetooth audio on hearing assistance devices such as hearing aids and associated hearing reinforcement solutions.

 

PBP: Public Broadcast Profile

A new specification that defines global, interoperable support for broadcast audio use cases such as public address systems and televisions.

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