A New Architecture for the Next Generation of Bluetooth® Audio
LE Audio introduces an entirely new architecture for supporting audio applications using Bluetooth technology and sets the stage for the next 20 years of innovation in wireless audio. This page provides an overview of the enhanced, new, and upcoming Bluetooth Specifications that define LE Audio.
The Bluetooth Specifications that define LE Audio
| Specification | Description | ||
|---|---|---|---|
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The Bluetooth Core Specification was enhanced in December 2019 to enable delivery of audio over Bluetooth LE, including a new LE Isochronous Channels feature. |
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A new specification released in September 2020 that defines a high-quality, low-power audio codec. |
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Generic Audio Framework Specifications |
A set of new specifications that define a flexible middleware for controlling audio over Bluetooth LE. |
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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 basic interoperability for audio devices, including capability discovery and configuration of unicast and broadcast audio streams. |
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Media Control |
A set of new specifications that define media control. |
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Call Control |
A set of new specifications that define call control. |
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Common Audio CAP: Common Audio Profile |
A new specification that defines coordinated use of various audio controls in multi-device and multi-service situations. |
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Coordinated Devices |
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). |
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Microphone Control |
A set of new specifications that define microphone control. |
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Volume Control |
A set of new specifications that define volume control. |
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Use Case Profiles |
A set of new specifications that define interoperable support for existing and new audio use cases. |
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Additional details to be provided |
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