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Pitch Shifter (ADSP-21065 demo) rewrite to C problem

Question asked by ned on Oct 11, 2012
Latest reply on Nov 15, 2012 by Anil@AMI

Hi there,


I'm trying to rewrite the pitch shifter audio demo from 21065 in C ,and running it on ADSP 21479


The attachment is my code: (also the wavetable I used)


My problem is when the saw_inc>=4 , the cross fade window won't synchronize with the audio output,

So the final output result will start to "click ".


but when set the saw_inc to 2 or 1  it will sync , so the discontinues of the audio sample will be multiply to zero.

and I get a correct result.


Could anybody help me to check if I miss something ?


thanks a lot !