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Audio_Sampling_frequency

vinod Jaiswal
Associate II
Posted on March 17, 2017 at 10:30

Hi all,

I am working on memsmic1 application which is convert 1 bit pdm data into pcm. with sampling frequency 16 Khz

if

#define AUDIO_CHANNELS 2

#define AUDIO_SAMPLING_FREQUENCY 16000 

#if (AUDIO_SAMPLING_FREQUENCY == 16000)

when i dump pcm data it has sample rate 44100 .

my question is :- if 

AUDIO_SAMPLING_FREQUENCY 16000 why i got 44100 bytes data.? 

2 REPLIES 2
Nesrine M_O
Lead II
Posted on March 17, 2017 at 11:41

Hi

Jaiswal.vinod

,

Please try to have a look to this document and example it may be helpful for you:

-Nesrine-

Posted on March 17, 2017 at 16:00

>>

when i dump pcm data it has sample rate 44100

In the .WAV file headers or somewhere else?

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