BD3201 - Digital Reverb Engine

Datasheet Details

Part number	BD3201
Manufacturer	BDNC
File Size	192.15 KB
Description	Digital Reverb Engine
Datasheet	BD3201 Datasheet

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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.