   how to apply low/high shelf using XAudio2
  hi guys :I cann't find any api in xauio2 to implace low/high shelf EQ effect.any body knows? thanks a lot ...   
  Moving to the DirectX forum. The Sound and Music forum is for the creative side rather than the technical side.   ;  thanks. any body can help me?   ;  I have read the xapo sample in DXSDK March2009,and know the frame how to write custom effect;But I still don't understand the what is the data holds in the pInputProcessParameter.pBuffer,and how to process those datas to produce the effects ,like Low pass filther.are there an more samples ?  