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 Bluetooth Specifications that define LE Audio.
The Bluetooth Specifications that define LE Audio
| Specification | Description | ||
|---|---|---|---|
|
The Bluetooth Core Specification was enhanced in December 2019 to enable delivery of audio over Bluetooth LE, including a new LE Isochronous Channels feature. |
|||
|
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 PACS: Published Audio Capabilities 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 |
A set of new specifications that define media control. |
||
|
Call Control |
A set of new specifications that define call control for all types of telephony. |
||
|
Common Audio |
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 |
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 |
A set of new specifications that define microphone control. |
||
|
Volume Control |
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. |
||
|
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. |
|||
|
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. |
|||
|
A new specification that defines global, interoperable support for broadcast audio use cases such as public address systems and televisions. |
|||
LE Audio Specification Participants
We are grateful for all the time and energy you dedicated to the LE Audio Specification Project. Your participation and collaboration are greatly appreciated, and your hard work will have a big impact on wireless audio for decades to come .
Starkey Hearing Technologies
Fraunhofer IIS
Samsung Electronics Co., Ltd
Sony Corporation
Broadcom Corporation
MindTree Limited
Nordic Semiconductor ASA
Intel Corporation
Demant A/S, Oticon A/S
Qualcomm, Inc.
Microchip
Cloud2GND
Intel Corporation
Qualcomm, Inc.
ON Semiconductor
Dolby Labs, Dolby Laboratories, Inc.
Samsung Cambridge Solution Centre
Nordic Semiconductor ASA
Bose Corporation
Broadcom
Oppo
Nordic Semiconductor ASA
Microchip
Fraunhofer IIS
Plantronics Inc.
Apple Inc.
Texas Instruments Incorporated
Microsoft Corporation
RivieraWaves
Sonova AG
Codecoup
Nordic Semiconductor ASA
Intel Corporation
Cirrus Logic
Sony Corporation
Sony Corporation
LG Electronics, Inc.
Fraunhofer IIS
Widex A/S
ARM Ltd
RivieraWaves
Starkey Hearing Technologies
ARM Ltd
ON Semiconductor
LG Electronics
Qualcomm, Inc.
Sivantos GmbH
ARM Ltd
Packetcraft, Inc.
Ericsson AB
Qualcomm, Inc.
Facebook Technologies, LLC
Synopsys, Inc.
Synopsys, Inc.
Synopsys, Inc.
MediaTek
Synopsys, Inc.
Nordic Semiconductor ASA
Hisilicon Technologies Co., Ltd.
Intel Corporation
Codecoup
Intel Corporation
Synopsys, Inc.
Intel Corporation
GN Hearing A/S
Fraunhofer IIS
Ericsson AB
Sony Corporation
Sony Corporation
Fraunhofer IIS
Qualcomm Technologies International Ltd.
Bose Corporation
Widex A/S
Cypress Semiconductor Corporation
ARM Ltd.
Sonos
GN Hearing A/S
GN Resound
Samsung Electronics Co., Ltd.
Intel Corporation
Nordic Semiconductor ASA
Intel Corporation
Bose Corporation
Barrot Technology Limited
Cypress Semiconductor Corporation
Bose Corporation
Samsung Electronics Co., Ltd.
Sivantos GmbH
WS Audiology Denmark A/S
Sivantos GmbH
Intel Corporation
Qualcomm, Inc.
Cypress Semiconductor Corporation
Cypress Semiconductor Corporation
NXP Semiconductors
Plantronics, Inc., Poly
Broadcom Corporation
Broadcom Corporation
Mindtree Limited
Apple, Inc.
LG Electronics, Inc.
Widex A/S
Sivantos GmbH
Sonova AG
LG Electronics
GN Hearing A/S
Bose Corporation
Ericsson AB
T2labs-LLC
Intel Corporation
Barrot Technology Limited
LE Audio IOP Participants
Airoha
Airoha
Airoha
Barrot
Barrot
Barrot
Bose
Broadcom Corporation
Broadcom Corporation
Broadcom Corporation
Codecoup sp. z o.o.
Codecoup sp. z o.o.
Codecoup sp. z o.o.
Codecoup sp. z o.o. sp. k.
GN Hearing A/S
GN Hearing A/S
GN Hearing A/S
Infineon Technologies AG
Infineon Technologies AG
Infineon Technologies AG
Intel
Microchip
Microchip
Microchip
Microsoft
Microsoft
Mindtree
Nordic
NXP
Packetcraft, Inc.
Qualcomm, Inc.
Qualcomm, Inc.
Qualcomm, Inc.
Qualcomm, Inc.
Qualcomm, Inc.
Qualcomm, Inc.
Qualcomm, Inc.
Qualcomm, Inc.
Qualcomm, Inc.
Qualcomm, Inc.
Qualcomm, Inc.
Qualcomm, Inc.
Qualcomm, Inc.
Qualcomm, Inc.
Qualcomm, Inc.
Realsil
Realsil
CEVA – RivieraWaves
Related Resources
Nordic Demonstrates Auracast™ Broadcast Audio
Watch Nordic Semiconductor’s Vince Hagen describe the demonstration of Auracast™ broadcast audio Nordic shared…
A First Look at Assistive Listening with Auracast™ Broadcast Audio
Watch Dr. Sandra Porps, MDHearing Head of Audiology, describe one of the first demonstrations…
The Impact of LE Audio and Auracast™ Broadcast Audio on Bluetooth® Enabled Hearing Aids
Watch Doug Beaker, CEO of the largest direct-to-consumer seller of hearing aids in the…
Next Generation Audio Accessibility with LE Audio and Auracast™ Broadcast Audio
Watch the Bluetooth SIG’s Chuck Sabin outline the new features of Bluetooth® LE Audio,…
Introduction to Bluetooth® LE Audio: The New World of Auracast™ Broadcast Audio
In the final installment of the Bluetooth® LE Audio Webinar Series for Developers, Nick…
Full LE Audio Specification Crosses the Finish Line
The Bluetooth Special Interest Group (SIG) announced the completion of the specifications for LE…
The Making of LE Audio
Bluetooth® technology has become synonymous with wireless audio, and Bluetooth audio’s impact in the…
Introduction to Bluetooth® LE Audio: New Technical Concepts
In the third installment of the LE Audio Webinar Series for Developers, Nick Hunn…
Sizing the Opportunity for Auracast™ Broadcast Audio in Public Locations
Featuring data and research from Strategy Analytics, this report helps readers and decision makers…
How Auracast Broadcast Audio Opens Up New Possibilities for Audio Developers
The LE Audio specifications were recently completed, and with that milestone comes exciting new…
Just Announced: The Complete Suite of LE Audio Specifications Is Now Available
Today, the Bluetooth Special Interest Group (SIG) announced the completion of the full set…
Bluetooth audio’s biggest upgrade in years is coming soon to headphones
We’re on the cusp of a new generation of wireless headphones that are more…
LE Audio Through A Technical Lens
The word ‘Bluetooth’ has for a long time been synonymous with wireless audio playback…
Packetcraft And ESPICO Accelerate Development Of Bluetooth LE Audio Devices On Arm
The technology we use in our homes and pockets today allows effortless access to…
Bluetooth SIG Announces Auracast™ Broadcast Audio, Allowing Unlimited Audio Sharing to Earbuds, Speakers or Hearing Devices
The Bluetooth Special Interest Group (SIG), the trade association that oversees Bluetooth® technology, today…
Auracast is coming to Bluetooth, boosting movement, inclusion, and participation for hearing device users
The Bluetooth Special Interest Group (SIG), the standards mover and shaker for the short-range…
2022 Bluetooth Market Update
Featuring new market insights and industry forecasts from ABI Research and other analyst firms...
The Future Of Sound: Envisioning The Ecosystem Of Bluetooth LE Audio
When the Bluetooth 4.0 specification was released, Bluetooth Smart (now Bluetooth Low Energy (LE))…
The 2021 State of Sound Report
The State of Sound Report is an annual study featuring research insights based on…
Bluetooth® Core Specification Version 5.3 Feature Enhancements
Bluetooth® Core Specification version 5.3 includes several feature enhancements with the potential to improve…
2021 Bluetooth Market Update
Supported by updated forecasts from ABI Research and insights from several other analyst firms, the Bluetooth Market Update highlights the latest Bluetooth trends and forecasts.