BdTR v1.0
Author: Atte André Jensen (atte.dk), 2007
Emulates bass drum sound found in the Roland TR series,
esp. TR909 and TR808, but has some other sonic capabilities
as well.
git_instr_bd_tr_sine ftgen 0, 0, 1024, 10, 1
git_instr_bd_tr_tri ftgen 0, 0, 256, 7, 0, 64, 1, 128, -1, 64, 0
git_instr_bd_tr_custom1 ftgen 0, 0, 1024, 10, 1, .1
git_instr_bd_tr_custom2 ftgen 0, 0, 1024, 10, 1, .05, .02, .01
git_instr_bd_tr_custom3 ftgen 0, 0, 1024, 10, 1, .02, .04, .01, .005, .01
; all of p4-8 are optional!
ifreq = p4; frequenzy after initial peak: hz
ilength = p5; seconds
ivol = p6; volume: 0-1
ipeak = p7; initial freq peak: 0-1
iendfreq= p8; ending frequency: hz
; setup
igain = .4
; setting default values
if (ifreq != 0) igoto endif_ifreq
ifreq = <freq>
endif_ifreq:
if (ilength != 0) igoto endif_ilength
ilength = <length>
endif_ilength:
if (ivol != 0) igoto endif_ivol
ivol = <volume>
endif_ivol:
if (ipeak != 0) igoto endif_ipeak
ipeak = <peak>
endif_ipeak:
if (iendfreq != 0) igoto endif_iendfreq
iendfreq= <endfreq>
endif_iendfreq:
; envelopes
kkeepalive linsegr 1, ilength, 0
aampenv expseg .0001, .00001, ivol, ilength, .00001
kpitenv linseg ifreq + (150 * ipeak), .1, ifreq,ilength - .1, iendfreq
; oscillator
aosc oscili 20000 * aampenv * igain, kpitenv, <ftable>
; output
blueMixerOut aosc, aosc
freq
10
51
true
30.0
150.0
34.599022
60
true
length
9
147
true
0.1
3.0
2.0367174
60
true
endfreq
72
51
true
15.0
30.0
15.2753525
60
true
peak
73
147
true
0.0
2.0
0.844397
60
true
volume
172
53
true
0.0
1.0
1.0
60
false
11
129
74
129
17
224
90
224
179
132
ftable
163
198
Sine
git_instr_bd_tr_sine
Triangle
git_instr_bd_tr_tri
Custom 1
git_instr_bd_tr_custom1
Custom 2
git_instr_bd_tr_custom2
Custom 3
git_instr_bd_tr_custom3
2
true
175
224
96
6
113
33
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