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Changing sample rate on streaming with H753 board

skson
Associate

Hello, 
I am implementing audio streaming with H753 board.

My goal is like below.

skson_0-1745198527483.png

 

 


1. Input : USB connected PC,

which can be selected one of 48kHz and 44.1kHz sample rate on connecting state.

Others are fixed as 16 bit / 2 slot ( stereo )   

2. Output : 32 bit Stereo SAI(I2S). Sample rate is same to input.

 

3. What I have succeed :

Default streaming : Good Sound : [48kHz/16bit/Stereo USB]  to [48 kHz/32bit/Stereo SAI].

SAI output frequency of FS / SCK : Both 44.1kHz and 48kHz case.

 

4. Problems: 

The testing sound is always low tone after changed sample rate.

both [48k->44.1k, Test] and [44.1k->48k, Test] are same.   

skson_1-1745199713895.png

Could I get some help?

 

Thank you.

From Skson.

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