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problem high frequency sampling distorting audio with labview on c6713

Hello

 

im trying to implement a graphic EQ on TI c6713 using labview. Im using labview 8.6 with target dsp project.

I've managed to get filtered audio when im sampling at 8KHz with 5 channels but when im trying to smaple at higher rates im geting distorted output.

i had a feq questions, I hope you could help me

 

1. why cant i get an output before i disconnect indicators? isn't there a way i can get real time graphs in the front panel?

 

2. why cant i sample at 48KHz withou distorting my input?

 

3. i tried just connecting my input to the output and sample at 48KHz and it all works fine. as soon as i add FFT for my frequency graph, the output is some high pitch or some distortion of the input.

 

thank you for your help, i realy hope you cant help me

 

peretz

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