how to design a oversampling FIR Filter in audio process??

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oversampling fir

how to design a oversampling FIR Filter in audio process for compress the quantized noise in the audio band???
can anyone give me some suggestions ??
what factor should i think on designning the oversampling FIR Filter ????how to interpolate the newly_added point between the sampled point before?????
 

Re: how to design a oversampling FIR Filter in audio process

for oversampling filter Design you can use
filter design toolbox of matlab
 

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