Change the number of audio samples read from DMic and write to USB

[MrRv]

Hello,

I am working on the iMXRT688-aud-evk board.

My project reads audio samples from the DMic based on the dmic_multi_channel driver example, and writes data to USB based on the dev_composite_audio_multi_ch_unified_freertos.

Between reading the audio data from the DMic and USB and sending the data to USB, I perform some processing on the audio. However, the amount of samples read is too small for what I need (32 samples in each channel from the DMic) and I would like to increase the number of samples read to 2048 if possible.

How can I increase the number of samples read from each channel at once?

Thanks in advance!

[PabloAvalos]

Dear @MrRv 

Thanks a lot for creating a new thread.

Is this a follow up from the previous one I was helping you? How much helpful was the post that you told me you were going to review?

Please let me know your updates and if we can follow the support on this thread and close the support on the other one. (https://community.nxp.com/t5/i-MX-Processors/Change-the-number-of-audio-channels-in-example/td-p/157...)

I will stay tuned.

BR.
Pablo Avalos.