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Technical discussions related to Audio Signal Processing (digital effects, acoustics, noise reduction, musical signal processing, etc).

  

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slope of a filter - ramm...@ymail.com - Jan 28 8:09:22 2010

hi all
Thanks to all who ever respond to my previous queries.
I want the technical counterpart or derivation regarding 5the slope of filter

1.  why 1st order filters have a 20 dB/decade (or 6 dB/octave) slope.
2.  Any website that describe in detail about FIR and IIR Filters.

with regards 
rammya

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