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승양.1
승양.1
Visitor II
February 26, 2021
Question

Is there anything provided by ST about Bluetooth LE audio?

  • February 26, 2021
  • 2 replies
  • 1374 views

Hello

I'm going to use BLE to make a Bluetooth speaker that is connected to a cell phone.

As far as I know, I need to use I2S to use audio output, is there an MCU that supports BLE and I2S communication?

And can I know an example or something to refer to?

Thank you.

This topic has been closed for replies.

2 replies

I
Imen.D
Technical Moderator
February 26, 2021

Hello @승양.1 and welcome to the STM32 Community =)

There is a large selection of STM32 microcontrollers which may answer your request.

I advise you to use the ST-MCU-FINDER tool (integrated also in STM32CubeMX) that allows an easy search of MCU with multiple criteria to ensure the selection of the right MCU. 

Imen

"When your question is answered, please close this topic by clicking ""Accept as Solution"".ThanksImen"
Andrew Neil
Andrew Neil
Super User
February 26, 2021

Note that Audio over BLE is a pretty recent addition to the Bluetooth specs - are there many (any?) phone which support it yet?

" As far as I know, I need (sic) to use I2S to use audio output"

You don't need to - there are plenty of other ways to transport audio.

"can I know an example or something to refer to?"

putting "st ble audio" into google, the very first hit is:

0693W000007ZaxRQAS.png

A complex system that works is invariably found to have evolved from a simple system that worked.A complex system designed from scratch never works and cannot be patched up to make it work.
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