# Feature Support Status

[中文]

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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