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EZ-kit 21369 Noisy

Question asked by Superr on Oct 18, 2012
Latest reply on Oct 25, 2012 by Superr

I have 21369 kit. To check performance I used the VisualAudio designer.

 

In basic.h I changed the default input to SPDIF;

//Default audio IO mode

#define DEFAULT_AUDIO_IO_MODE AudioIOMode_SPDIF

 

Then I built a test-model in VisualAudio, generated the code, sample at 44.1kHz and built+run the code in VisualDSP++. I attached a CD player's output to the SPDIF input and when I stop the CD player and turn up the volume by just a bit, I can heat hiss+"strange high pitched noise"

 

Is this normal or did I put a setting wrong?

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