Feature Support Status

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This page tracks the support status of Bluetooth LE Audio features in ESP-IDF — the Generic Audio Framework profiles and services provided by ESP-BLE-AUDIO, and the isochronous transport provided by ESP-BLE-ISO.

Note

The Bluetooth LE Audio features marked as supported below are currently a preview: their APIs and behavior are provisional and may change in future releases.

The table below lists the Bluetooth LE Audio profiles and services currently supported in ESP-IDF.

Profile / Service

Supported

Notes

LE Isochronous Channels (CIS / BIS)

Yes

Direct ISO access via ESP-BLE-ISO.

BAP

Yes

All six BAP roles: Unicast Client, Unicast Server, Broadcast Source, Broadcast Sink, Broadcast Assistant, Scan Delegator.

PACS

Yes

Used by BAP Unicast Server and Broadcast Sink.

ASCS

Yes

Used by BAP Unicast Server.

BASS

Yes

Used by BAP Scan Delegator and Broadcast Assistant.

CAP

Yes

All three CAP roles: Acceptor, Initiator, Commander.

CAS

Yes

Mandatory service on CAP Acceptors.

CSIP / CSIS

Yes

Set Member and Set Coordinator roles.

VCP / VCS

Yes

Volume Renderer and Volume Controller roles.

VOCS

Yes

Per-output volume offset control; included in VCS as an optional sub-service.

AICS

Yes

Audio input control; included in VCS and MICS as an optional sub-service.

MICP / MICS

Yes

Microphone Device and Microphone Controller roles.

MCP / MCS

Partial

Media Control Server and Media Control Client roles are supported. OTP/OTS-based media object transfer is not currently supported.

CCP / TBS

Yes

Call Control Server and Call Control Client roles, including GTBS and TBS.

HAP / HAS

Yes

Hearing Aid and Hearing Aid Unicast Client roles, including preset read/write via HAS.

TMAP / TMAS

Yes

All six TMAP roles: CG, CT, UMS, UMR, BMS, BMR.

GMAP / GMAS

Yes

All four GMAP roles: UGG, UGT, BGS, BGR.

PBP

Yes

Public Broadcast Source and Public Broadcast Sink roles.

OTP / OTS

No

Object Transfer Profile/Service (used by MCP/MCS for media object transfer) is not currently supported.

Note

For the profile and service definitions, see Bluetooth LE Audio Standard.

For general Bluetooth Low Energy feature support, see Major Feature Support Status.

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