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首页LE Audio协议草案 Basic_Audio_Profile_d09r06.pdf
The Basic Audio Profile (BAP) defines procedures for audio stream control by using the Generic Attribute Profile (GATT) and the Generic Access Profile (GAP) for devices that want to use Bluetooth Low Energy (LE) in audio-related scenarios. For example, sending or receiving unicast audio, or sending or receiving broadcast audio.
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Bluetooth SIG Proprietary and Confidential
Bluetooth
®
Profile Specification
▪ Revision: d09r06
▪ Revision Date: 2020-07-09
▪ Group Prepared By: Generic Audio Working Group
Abstract:
This profile defines how devices can distribute and/or consume audio using Bluetooth Low Energy (LE)
wireless communications.
Basic Audio Profile
批注 [BH1]: Editorial: Isn’t wireless communication
implied with Bluetooth? Redundant IMO.
批注 [CC2R1]: This is a TP edit. There are many
examples in the comments which are all TP
suggestions, so I’m going to respond to each of them
with the same feedback (i.e. ‘this is a TP edit’)
Basic Audio / Profile Specification
Bluetooth SIG Proprietary and Confidential Page 2 of 122
Revision History
Revision Number
Date
Comments
GAF (0.5)
d05r01
2018-07-18
Adapted from LE HQA 0.5 r04 to satisfy BARB
requests for alignment with a generic audio
architecture.
Released to GAWG review.
D05r02
2018-07-19
Updated based on GAWG review comments
d05r03
2018-07-26
Updated based on GAWG 2
nd
round review
comments
d05r04
2018-08-02
Updated based on GAWG 3
rd
round review
comments
d05r05
2018-08-06
Updated based on GAWG 4
th
round review
comments and prepared for tech pubs review
d05r06
2018-08-13
Updated based on GAWG 5
th
round review
comments and re-prep for tech pubs review
SIG staff review.
d05r07
2018-08-14
Updated based on TE review comments and
alignment with latest announcements specification
(d07_r19).
D05r08
2018-10-30
Updated based on BARB round 1 review
comments and followup GAWG review.
d05r09
2018-11-30
Updated based on BARB round 2 review
comments.
D05r10
2018-12-12
Updated based on GAWG review of BARB
comment resolutions.
D05r11
2018-12-20
Updated to resolve BARB round 3 review
comments.
BAP (0.7)
d07r01
2018-11-26
First official release
d07r02
2018-12-05
Resolution to most comments
d07r03
2018-12-11
Further resolution of comments.
SIG staff review.
d07r04
2019-01-06
Further resolution of comments.
D07r05
2019-01-06
Further resolution of comments and agreed
updated from the GAWG weekly call.
Basic Audio / Profile Specification
Bluetooth SIG Proprietary and Confidential Page 3 of 122
Revision Number
Date
Comments
D07r06
2019-02-03
Rewritten per discussion at Vancouver F2F – first
draft of rewrite.
D07r07
2019-02-07
Updates to decouple inbound and outbound audio
from the Initiator and Acceptor roles. Removed
voice Vs music separation as irrelevant. Added
Role support requirements table.
D07r08
2019-02-11
Rewritten to include a lot of material from the
ASCPd09r03 document (whilst moving ASCP to a
protocol) and have BAP as more of an ‘ASCP
client’ specification
d07r09
2019-02-23
First draft of rewritten BAP
d07r10
2019-03-04
Procedures moved from erstwhile ASCPd09r03 to
BAP. Added conformance table based on
procedures. Updated unicast and broadcast
procedures based on new ASCP roles.
D07r11
2019-03-04
Reverted r10 changes alongside retaining new
figures and diagrams.
SIG staff review.
d07r12
2019-03-07
Review comment resolution
d07r13
2019-03-10
Review comment resolution. Added new figure 5.1.
d07r14
2019-03-11
Renamed ASCP PDUs and parameters, frozen for
IOP
d07r15
2019-03-13
Restored comments for group review post-r14.
Added design background section 1. Renumbered
all applicable ASCP referenced sections to account
for new ASCP section 1.
D07r16
2019-03-14
Updated figures to remove mention of ASCP.
Comment resolution on new section 1
d07r17
2019-03-21
Open issues triage: added new text to 6.6 and 6.7
to better describe Host-Controller interaction
around audio streaming enable/disable and Iso
Channel setup/teardown. Added vendor specific
setting codec option in section 5. Changed all
occurrences of audio stream to Audio Stream to
match ASCP. Replaced Fig 4.2 with new figure.
D07r18
2019-04-11
Post-F2F changes and changes around ASCP
d07r21discussions incorporated. Activity Request
procedure removed and replaced.
D07r20
2019-05-16
Rewritten to use GATT. Replaces BAPd07r18
draft.
Basic Audio / Profile Specification
Bluetooth SIG Proprietary and Confidential Page 4 of 122
Revision Number
Date
Comments
D07r21
2019-06-29
Updates from the Seoul F2F and WG review
comments. Added LC3 codec wrapper as appendix
A and moved host-controller MSCs to appendix B.
d07r22
2019-07-31
WG and SIG staff review comment resolution
d07r23
2019-08-08
WG review comment resolution.
SIG staff review.
d07r24
2019-08-14
Final updates from WG and SIG staff review before
0.7 BARB submission.
D07r25
2019-09-20
BARB review comment resolution. Updates from
Dallas F2F
BAP (0.9)
d09r01
2019-10-28
First 0.9 draft. Updates for BASSd07r04. Removed
design history and justification of choice from 0.7.
SIG staff review.
d09r02
2019-11-20
Updates following Vienna F2F and group review.
d09r03
2020-01-24
Updates following Kirkland F2F and group review.
SIG staff review.
d09r04
2020-03-03
Complete set of updates on r03 following BARB,
implementer, IOP developer, BSTS, and WG
member review, including the New Orleans F2F.
SIG staff review.
d09r05
2020-05-20
Updates following BARB review and the March
virtual F2F, the April virtual F2F, and the May
virtual F2F.
d09r06
2020-07-09
Trimmed cruft and fixed a couple of typos, added a
BR/EDR GAP section and BR/EDR security
requirements. Added new codec settings and QoS
settings. New LTVs to allow concatenating LC3
blocks added
Submitted for BARB review on 2020-07-09.
Contributors
Name
Company
Jonathan Tanner
Qualcomm Technologies International, Ltd
Chris Church
Qualcomm Technologies International, Ltd
Robin Heydon
Qualcomm Technologies International, Ltd
Basic Audio / Profile Specification
Bluetooth SIG Proprietary and Confidential Page 5 of 122
Name
Company
Nick Hunn
GN Hearing A/S
Søren Larsen
Widex
Markus Schnell
Fraunhofer IIS
Jeff Solum
Starkey Hearing Technologies
Masahiko Seki
Sony
Andrew Estrada
Sony
Stephan Gehring
Sonova AG
Michael Ungstrup
Widex A/S
Simon Jonghun Song
LG Electronics, Inc.
Bjarne Klemmensen
Oticon A/S
Kanji Kerai
Widex A/S
Erwin Weinans
Plantronics Inc.
Scott Walsh
Plantronics Inc.
Georg Dickmann
Sonova AG
Peter Liu
Bose Corporation
Daniel Sisolak
Bose Corporation
Rasmus Abildgren
Bose Corporation
Xuemei Ouyang
Intel Corporation
Oren Haggai
Intel Corporation
Chethan Narayan Tumkur
Intel Corporation
Siegfried Lehmann
Apple
Riccardo Cavallari
Sivantos GmbH
Marcel Holtmann
Intel Corporation
Sam Geeraerts
NXP Semiconductors
Anil Kumar Vutukuru
MindTree Limited
Luiz Von Dentz
Intel Corporation
Himanshu Bhalla
Intel Corporation
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