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Audio Data format for C5505 eZdsp evaluation module

Hi All,

I am a newbie in this field. What is the audio data format for the C5505 eZdsp module. Is it in the range  -1 to 1? What is the fixed point format for the audio buffers. I am writing a simple gain function and would like to apply appropriate gain on output buffer samples. I know there is a gain settings for the AIC3204 AD-DAc but it looks like it is set once. Here I want to be able to apply the gain in the while(1) loop.

Thank you

stephen Gyawu