At the beginning of this year, Bluetooth released the latest 5.2 standard (standard file download). At the same time, it gave the announcement of the launch of the audio standard LC3 under BLE. The specific progress of the LC3 standard is given below
Project Description
The full English name of the LC3 standardization project-Low Complexity Communication Codec (LC3) [Audio Codec], its main goal is to provide a new generation of Bluetooth standards with low-complexity audio transmission capabilities.
Launch time: Launched on February 7, 2018,
Project team: a project led by the Hearing Aid Working Group (ha) project team,
项目全名：“Low Complexity Communication Codec (LC3) [Audio Codec] Enhancing Specification Version”。
The project is currently in version 0.9 and has not been officially announced. The current version 0.9 has mainly carried out the following meetings
2019-07-13: Project internal review
2020-01-22: The preliminary standard document (LC3_HA_subj_testplan_r3_RFQ.docx) was delivered to GN Hearing A/S (hearing aid research and development company), Apple Inc (Apple), Fraunhofer IIS (IP and audio standard development company) for review, Get feedback result
| 1 |
1.) Comments to the testplan are attached. 2.) Is the quotation the right one? It details a BS-1116-3 listening test (Mono/S... (View more) |
| 2 |
The FORCE quote has some fundamental errors and do not describe the requirements listed in the test plan. I propose to direc... (View more) |
2020-03-13: After the revision of the standard document (LC3.TS.d09r08.docx), review again. The companies participating in this review are mainly
Apple Inc (Apple), Sivantos GmbH, GN Hearing A/S (hearing aid research and development company), Sony Corporation (Sony Corporation), a total of four companies' technical staff.
| 1 |
I've added my comments on top of Soeren's for teh TS. I think there are a few BTI comments which are not quite fully addres... (View more) |
This is the current progress. It can be seen that although it is during the epidemic period, the progress of standardization is still in progress. This year should be able to see the completion and disclosure of this standard.
If you want to know some content of the LC3 standard in advance, please read this article .