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Associate III
November 27, 2023
Question

Regarding PDM to PCM conversion

  • November 27, 2023
  • 1 reply
  • 2011 views

Hi team, i am using STM32F446 NUCLEO  BOARD WITH MP23DB02M.

I refered appnote UM2372

I also referd YouTube playlist in your community also.

I haven't cleared how to convert pdm to pcm.

Please give some block diagram view of the algorithm or code.please don't suggest some documents again

.

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1 reply

AScha.3
Super User
November 27, 2023

simply said: adding the "1" ones in a time interval -> "pcm" value .

see here: https://tomverbeure.github.io/2020/10/04/PDM-Microphones-and-Sigma-Delta-Conversion.html

 

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