general FIR adau1452
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general fir in high pass not work on low freeq. 200-500 hz have no effect.
it start to work after 4000 hz approx.
Audio Signal Processors
adau1452
SigmaDSP Audio Processors
Hello Alex239,
You need to increase the filter order and you should see better results. I can see results with an order of 64. The higher you go the steeper the filter will be.
Dave T
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