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BD3201 - Digital Reverb Engine

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Part number BD3201
Manufacturer BDNC
File Size 192.15 KB
Description Digital Reverb Engine
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bd3201 Digital Reverb Engine Application Note--Pitch Shifting() bd3201Pitch Shifting()。 1. bd3201()() 。, 。180, ,。 , cross-fading,cross fade0 。 LFO()cross fade。 2. ,24。20 MAC。20,13,7 MAC。 132’s ,+4096-4096。 ,15,1。 13,1318 。 (12.288MHz ,48KHz): f = (F*Fs*C)/(2*M*SIN) = 0.045777*F F = 13 Fs = 48000 () C = 4194304 (0x400000,LFO) M = 262143 (0x3FFFF,18) SIN = 8388607 (0x7FFFFF, 24) F=1, f =0.045777*F=0.045777...Hz F=8191 (13) ,f =0.045777*F= 374.9557Hz 3. ( Pitch up) 。8192() 31767(15)。 © BDNC www.bdnc.com 1 Free Datasheet http://www.nDatasheet.com bd3201 Digital Reverb Engine 。。 ,8192, , ,819248KHz48KHz。 , ,,CHRCOMP。 ,: f = 48kHz faster / 8192 samples = 5.85938Hz f = (F*Fs*C)/(2*M*SIN),F: F = (2*M*SIN*f)/(Fs*C) = 127.
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