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Audio signal to PDM signal converter

Hi all,

 

I need to generate PDM signal of 2.048MHz frequency from a audio file(.wav file) of max16kHz frequency. I am able to read audio file by using from 'sound file read sample' API and also I am able to convert it into PDM signal but generated PDM signal is have only 7984.33 Hz frequency. Hence, help to fine PDM signal of 2.048MHz frequency from given audio signal. 

 

PDM signal creation logic I got from below link

https://forums.ni.com/t5/Example-Programs/Pulse-Density-Modulation-PDM/ta-p/3532976

 

thanks and regards

Gyali2015

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