Distortion, Crossover

Posted on November 11, 2016 by Admin

00 /**********************************************************************
01 Copyright (c) 2014 Mark C. Erickson
02
03 Permission is hereby granted, free of charge, to any person obtaining
04 a copy of this software and associated documentation files (the
05 "Software"), to deal in the Software without restriction, including
06 without limitation the rights to use, copy, modify, merge, publish,
07 distribute, sublicense, and/or sell copies of the Software, and to
08 permit persons to whom the Software is furnished to do so, subject to
09 the following conditions:
10
11 The above copyright notice and this permission notice shall be included
12 in all copies or substantial portions of the Software.
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
18 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
19 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
20 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 **********************************************************************/
22

Disclaimer...

23 desc:Distortion, Crossover, v1.0.0
24
25 slider1:0.05<0,0.1,0.001>Threshold
26 slider2:1<1,10,0.01>Linear Gain
27
28 @init
29 thresh = 0.05;
30 gain = 0;
31
32 @slider
33 thresh = slider1;
34 gain = slider2;
35
36 @sample
37 spl0 = spl0;
38 spl0 > 0 ? (
39 input -= th;
40 ) : (
41 input += th;
42 );
43
44 spl0 < thresh ? (
45 spl0 > -thresh ? (
46 spl0 = spl0 * gain;
47 );
48 );
49

Distortion, Non-Linear, µLaw

Posted on November 11, 2016 by Admin

00 /**********************************************************************
01 Copyright (c) 2014 Mark C. Erickson
02
03 Permission is hereby granted, free of charge, to any person obtaining
04 a copy of this software and associated documentation files (the
05 "Software"), to deal in the Software without restriction, including
06 without limitation the rights to use, copy, modify, merge, publish,
07 distribute, sublicense, and/or sell copies of the Software, and to
08 permit persons to whom the Software is furnished to do so, subject to
09 the following conditions:
10
11 The above copyright notice and this permission notice shall be included
12 in all copies or substantial portions of the Software.
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
18 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
19 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
20 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 **********************************************************************/
22

Disclaimer...

23 desc:Distortion: Non-Linearity, µLaw, v1.0.0
24
25 slider1:0<0,1.0,0.01>µ
26 slider2:0<0,1.0,0.01>gain
27
28 @init
29 mu = 0;
30 gain = 1.0;
31
32 @slider
33 mu = slider1 * 4; // 255
34 gain = slider2;
35
36 @sample
37 mu > 0 ? (
38 spl0 < 0 ? (
39 spla = -(log(1 + (mu * -spl0)) / log(1 + mu));
40 ) : (
41 spla = (log(1 + (mu * spl0)) / log(1 + mu));
42 );
43 ) : ( spla = spl0; );
44 spl0 = spla * gain;
45

Distortion, Rectifier, Full-Wave

Posted on November 11, 2016 by Admin

00 /**********************************************************************
01 Copyright (c) 2014 Mark C. Erickson
02
03 Permission is hereby granted, free of charge, to any person obtaining
04 a copy of this software and associated documentation files (the
05 "Software"), to deal in the Software without restriction, including
06 without limitation the rights to use, copy, modify, merge, publish,
07 distribute, sublicense, and/or sell copies of the Software, and to
08 permit persons to whom the Software is furnished to do so, subject to
09 the following conditions:
10
11 The above copyright notice and this permission notice shall be included
12 in all copies or substantial portions of the Software.
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
18 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
19 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
20 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 **********************************************************************/
22

Disclaimer...

23 desc:Distortion: Rectifier, Full-Wave, v1.0.0
24
25 slider1:0.5<0,2.0,0.01>Linear Gain
26
27 @init
28 gain = 1.0;
29
30 @slider
31 gain = slider1;
32
33 @sample
34 spl0 < 0 ? ( spla = -spl0; ) : ( spla = spl0; );
35 spl0 = spla * gain;
36

Delay Overview

Posted on November 11, 2016 by Admin

Delay, Ring Buffer [Stereo]

Posted on November 11, 2016 by Admin

00 /**********************************************************************
01 Copyright (c) 2014 Mark C. Erickson
02
03 Permission is hereby granted, free of charge, to any person obtaining
04 a copy of this software and associated documentation files (the
05 "Software"), to deal in the Software without restriction, including
06 without limitation the rights to use, copy, modify, merge, publish,
07 distribute, sublicense, and/or sell copies of the Software, and to
08 permit persons to whom the Software is furnished to do so, subject to
09 the following conditions:
10
11 The above copyright notice and this permission notice shall be included
12 in all copies or substantial portions of the Software.
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
18 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
19 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
20 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 **********************************************************************/
22

Disclaimer...

23 desc:Ring Buffer [2ch], v1.0.0
24
25 slider1:50<1,500,1>Buffer Length [ms]
26
27 @init
28 buf = 0; // buffer exists at offset 0
29 bufposR = 0;
30 delay = srate * 0.05; // 50 ms
31 bufposW = delay;
32 buflength = srate * 0.5; // 500 ms
33 buf2 = buflength; // buffer2 exists at offset 22050
34
35 @slider
36 delay = srate * slider1 / 1000.0; // # of samples
37 bufposR = bufposW - delay;
38 bufposR < 0 ? bufposR = bufPosR + buflength;
39
40 @sample
41 x = spl0;
42 spl0 = buf[bufposR];
43 buf[bufposW] = x;
44
45 // delays both channels by same amount, no mix
46 x = spl1;
47 spl1 = buf2[bufposR];
48 buf2[bufposW] = x;
49
50 bufposR = bufposR + 1 ;
51 bufposR > buflength ? bufposR = 0;
52 bufposW = bufposW + 1 ;

Delay, Basic Ring Buffer

Posted on November 11, 2016 by Admin

00 /**********************************************************************
01 Copyright (c) 2014 Mark C. Erickson
02
03 Permission is hereby granted, free of charge, to any person obtaining
04 a copy of this software and associated documentation files (the
05 "Software"), to deal in the Software without restriction, including
06 without limitation the rights to use, copy, modify, merge, publish,
07 distribute, sublicense, and/or sell copies of the Software, and to
08 permit persons to whom the Software is furnished to do so, subject to
09 the following conditions:
10
11 The above copyright notice and this permission notice shall be included
12 in all copies or substantial portions of the Software.
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
18 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
19 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
20 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 **********************************************************************/
22

Disclaimer...

23 desc:Ring Buffer [mono], v1.0.0
24
25 slider1:50<1,500,1>Buffer Length [ms]
26
27 @init
28 buf = 0; // buffer exists at offset 0
29 bufposR = 0;
30 delay = srate * 0.05; // 50 ms
31 bufposW = delay;
32 buflength = srate * 0.5; // 500 ms
33
34 @slider
35 delay = srate * slider1 / 1000.0; // # of samples
36 bufposR = bufposW - delay;
37 bufposR < 0 ? bufposR = bufPosR + buflength;
38
39 @sample
40 x = spl0;
41 spl0 = buf[bufposR];
42 buf[bufposW] = x;
43 bufposR = bufposR + 1 ;
44 bufposR > buflength ? bufposR = 0;
45 bufposW = bufposW + 1 ;
46 bufposW > buflength ? bufposW = 0;
47
48 // only delays one channel - will not mix

Delay, Stereo

Posted on November 11, 2016 by Admin

00 /**********************************************************************
01 Copyright (c) 2014 Mark C. Erickson
02
03 Permission is hereby granted, free of charge, to any person obtaining
04 a copy of this software and associated documentation files (the
05 "Software"), to deal in the Software without restriction, including
06 without limitation the rights to use, copy, modify, merge, publish,
07 distribute, sublicense, and/or sell copies of the Software, and to
08 permit persons to whom the Software is furnished to do so, subject to
09 the following conditions:
10
11 The above copyright notice and this permission notice shall be included
12 in all copies or substantial portions of the Software.
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
18 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
19 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
20 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 **********************************************************************/
22

Disclaimer...

23 desc:Delay [2ch], v1.0.0
24
25 slider1:50<1,500,1>Delay [ms]
26 slider2:0.5<0,1,0.01>Wet/Dry [%]
27 slider3:0<-1,1,0.01>Feedback [%]
28
29 @init
30 buf = 0; // buffer exists at offset 0
31 bufposR = 0;
32 delay = srate * 0.05; // 50 ms
33 bufposW = delay;
34 buflength = srate * 0.5; // 500 ms
35 buf2 = buflength; // buffer2 exists at offset 22050 @ Fs 44.1 kHz
36 m = 0.5;
37 f = 0;
38
39 @slider
40 delay = srate * slider1 / 1000.0; // # of samples
41 bufposR = bufposW - delay;
42 bufposR < 0 ? bufposR = bufPosR + buflength;
43 m = slider2;
44 f = slider3;
45
46 @sample
47 x = spl0;
48 spl0 = buf[bufposR] * (1 - m) + x * m;;
49 buf[bufposW] = x + ( buf[bufposR] * f );
50
51 x = spl1;
52 spl1 = buf2[bufposR] * (1 - m) + x * m;;
53 buf2[bufposW] = x + ( buf2[bufposR] * f );
54
55 bufposR = bufposR + 1 ;
56 bufposR > buflength ? bufposR = 0;
57 bufposW = bufposW + 1 ;

Pan, Delay Pro

Posted on November 9, 2016 by Admin

00 /**********************************************************************
01 Copyright (c) 2014-2016 Mark C. Erickson
02
03 Permission is hereby granted, free of charge, to any person obtaining
04 a copy of this software and associated documentation files (the
05 "Software"), to deal in the Software without restriction, including
06 without limitation the rights to use, copy, modify, merge, publish,
07 distribute, sublicense, and/or sell copies of the Software, and to
08 permit persons to whom the Software is furnished to do so, subject to
09 the following conditions:
10
11 The above copyright notice and this permission notice shall be included
12 in all copies or substantial portions of the Software.
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
18 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
19 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
20 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21
22 CHANGE LOG:
23 v1.1.0 - initial release
24
25 **********************************************************************/
26

Disclaimer...

27 desc:Pan: Delay Pro, v1.1.0
28
29 slider1:0<-72,72,1>Buffer Length [samples]
30 slider2:0<0,10,0.1>Max Attenuation [dB]
31
32
33 @init
34 buf = 0; // buffer exists at offset 0
35 bufposR = 0;
36 delay = 0;
37 bufposW = delay;
38 buflength = 72; // good value for headphones
39 // may not be ideal for speakers
40 m = 1.0;
41
42
43 @slider
44 delay = slider1;
45 d = delay;
46 d < 0 ? d = d * -1; // absolute value
47 bufposR = bufposW - d;
48 bufposR < 0 ? bufposR = bufPosR + buflength;
49
50 b = abs((slider1) / 72);
51 c = -b * slider2; // scale; no att. at 12:00
52 m = pow(10, (c /20));
53
54
55 @sample
56 delay == 0 ? (
57 spl0=spl0;
58 spl1=spl1;
59 ) : (
60 delay < 0 ? (
61 x = spl1;
62 spl1 = buf[bufposR] *= m;
63 buf[bufposW] = x;
64 bufposR = bufposR + 1 ;
65 bufposR > buflength ? bufposR = 0;
66 bufposW = bufposW + 1 ;
67 bufposW > buflength ? bufposW = 0;
68
69 spl0 = spl0;
70
71 ) : (
72 x = spl0;
73 spl0 = buf[bufposR] *= m;
74 buf[bufposW] = x;
75 bufposR = bufposR + 1 ;
76 bufposR > buflength ? bufposR = 0;
77 bufposW = bufposW + 1 ;
78 bufposW > buflength ? bufposW = 0;
79
80 spl1 = spl1;
81 );
82 );
83

Pan, Lo Pass Pro

Posted on November 9, 2016 by Admin

00 /**********************************************************************
01 Copyright (c) 2014-2016 Mark C. Erickson
02
03 Permission is hereby granted, free of charge, to any person obtaining
04 a copy of this software and associated documentation files (the
05 "Software"), to deal in the Software without restriction, including
06 without limitation the rights to use, copy, modify, merge, publish,
07 distribute, sublicense, and/or sell copies of the Software, and to
08 permit persons to whom the Software is furnished to do so, subject to
09 the following conditions:
10
11 The above copyright notice and this permission notice shall be included
12 in all copies or substantial portions of the Software.
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
18 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
19 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
20 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21
22 CHANGE LOG:
23 v1.1.0 - initial release
24
25 **********************************************************************/
26

Disclaimer...

27 desc:Pan: Lo Pass Pro, v1.1.0
28
29 slider1:0<-120,120,0.1>Pan Angle [degrees]
30 slider2:0<0,10,0.1>Max Attenuation [dB]
31
32 @init
33 x=0;
34 x1=0;
35 x2=0;
36 y=0;
37 y1=0;
38 y2=0;
39 d=1.414;
40 who = 0;
41
42 m = 1;
43
44
45 @slider
46 who = slider1;
47 f = slider1 * 60/120; // 0 < f < 60
48 f > 0 ? f = f * -1; // -60 < f < 0
49 dd = pow(2, f/8.0)*16000; // 16,000 -> 500 Hz
50 w = 2.0 * $pi * dd / srate;
51 mBeta = 0.5 * (( 1.0 - d / 2.0 * sin(w) ) / ( 1.0 + d / 2.0 * sin(w) ));
52 mGamma = ( 0.5 + mBeta ) * cos(w);
53 mAlpha = ( 0.5 + mBeta - mGamma ) / 4.0;
54
55 b = abs((slider1) / 72);
56 c = -b * slider2; // scale; no att. at 12:00
57 m = pow(10, (c /20));
58
59
60 @sample
61 who == 0 ? (
62 spl0=spl0;
63 spl1=spl1;
64 ) : (
65 who < 0 ? (
66 x = spl1;
67 y = 2.0 * ( mAlpha * ( x + 2.0 * x1 + x2 ) + mGamma * y1 - mBeta * y2 );
68 x2 = x1;
69 x1 = x;
70 y2 = y1;
71 y1 = y;
72 spl1 = y *= m;
73 spl0 = spl0;
74
75 ) : (
76 x = spl0;
77 y = 2.0 * ( mAlpha * ( x + 2.0 * x1 + x2 ) + mGamma * y1 - mBeta * y2 );
78 x2 = x1;
79 x1 = x;
80 y2 = y1;
81 y1 = y;
82 spl0 = y *= m;
83 spl1 = spl1;
84 );
85 );
86

Pan, Lo Pass

Posted on November 9, 2016 by Admin

00 /**********************************************************************
01 Copyright (c) 2014-2016 Mark C. Erickson
02
03 Permission is hereby granted, free of charge, to any person obtaining
04 a copy of this software and associated documentation files (the
05 "Software"), to deal in the Software without restriction, including
06 without limitation the rights to use, copy, modify, merge, publish,
07 distribute, sublicense, and/or sell copies of the Software, and to
08 permit persons to whom the Software is furnished to do so, subject to
09 the following conditions:
10
11 The above copyright notice and this permission notice shall be included
12 in all copies or substantial portions of the Software.
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
18 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
19 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
20 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21
22 CHANGE LOG:
23 v1.1.0 - pan angle changed from 45->120
24 f/12 changed to f/8
25 v1.0.0 - initial release
26
27 **********************************************************************/
28

Disclaimer...

29 desc:Pan: Lo Pass, v1.1.0
30
31 slider1:0<-120,120,0.1>Pan Angle [degrees]
32
33 @init
34 x=0;
35 x1=0;
36 x2=0;
37 y=0;
38 y1=0;
39 y2=0;
40 d=1.414;
41 who = 0;
42
43 @slider
44 who = slider1;
45 f = slider1 * 60/120; // 0 < f < 60
46 f > 0 ? f = f * -1; // -60 < f < 0
47 dd = pow(2, f/8.0)*16000; // 16,000 -> 500 Hz
48 w = 2.0 * $pi * dd / srate;
49 mBeta = 0.5 * (( 1.0 - d / 2.0 * sin(w) ) / ( 1.0 + d / 2.0 * sin(w) ));
50 mGamma = ( 0.5 + mBeta ) * cos(w);
51 mAlpha = ( 0.5 + mBeta - mGamma ) / 4.0;
52
53 @sample
54 who == 0 ? (
55 spl0=spl0;
56 spl1=spl1;
57 ) : (
58 who < 0 ? (
59 x = spl1;
60 y = 2.0 * ( mAlpha * ( x + 2.0 * x1 + x2 ) + mGamma * y1 - mBeta * y2 );
61 x2 = x1;
62 x1 = x;
63 y2 = y1;
64 y1 = y;
65 spl1 = y;
66 spl0 = spl0;
67
68 ) : (
69 x = spl0;
70 y = 2.0 * ( mAlpha * ( x + 2.0 * x1 + x2 ) + mGamma * y1 - mBeta * y2 );
71 x2 = x1;
72 x1 = x;
73 y2 = y1;
74 y1 = y;
75 spl0 = y;
76 spl1 = spl1;
77 );
78 );
79