octave edit please

Algorithm development and general DSP issues

Moderator: frank

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musicvoice
Posts: 10
Joined: Mon Jun 27, 2011 4:11 pm

octave edit please

Post by musicvoice »

frank
Add
pass filter
please

maybe 20khz to 8 khz
thank you very much






I just want to hear the bass frequencies.
I do not want high mid and treble.
because I have to use your microphone
s letter-letter z - such as the high-frequency very bad.
please help me. thank you very much.

delayd mem 4096 ; Down delay
temp mem 1 ; Temp location for partial calculations
;
skp run,START

;
wldr RMP0,16384,4096
wldr RMP1,-8192,4096
;
START: ldax ADCL
; Write it to left delay and clear ACC
wra delayd,0
; Read in left
ldax ADCL
;
wra delayd,0
;
cho rda,RMP0,REG|COMPC,delayd
cho rda,RMP0,,delayd+1
wra temp,0
cho rda,RMP0,RPTR2|COMPC,delayd
cho rda,RMP0,RPTR2,delayd+1
cho sof,RMP0,NA|COMPC,0
cho rda,RMP0,NA,temp
mulx POT1
wrax REG0,0
;
cho rda,RMP1,REG|COMPC,delayd
cho rda,RMP1,,delayd+1
wra temp,0
cho rda,RMP1,RPTR2|COMPC,delayd
cho rda,RMP1,RPTR2,delayd+1
cho sof,RMP1,NA|COMPC,0
cho rda,RMP1,NA,temp
MULX POT2
wrax REG1,0
;
ldax ADCL
mulx POT0
rdax REG0,1.0
rdax REG1,1.0
wrax DACL,1.0
wrax DACR,0
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