00   /**********************************************************************
01   Copyright (c) 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   **********************************************************************/
23  

     Disclaimer...

24   desc:RMS Meter, Mono, v1.0.0
25   // no decay
26  
27   @init
28   buf = 0;
29   bufpos = 0;
30   buflength = srate * 1.2; // 1.2 = 1200 ms
31  
32  
33   @sample
34   rmsValue = spl0 * spl0;
35   rmsSum -= buf[bufpos];
36   buf[bufpos] = rmsValue;
37   rmsSum += rmsValue;
38  
39   bufpos = bufpos + 1 ;
40   bufpos > buflength ? bufpos = 0;
41   bufpos % (srate * 0.040) == 0 ?
42   (
43   rmsDelta = rmsSum / buflength;
44   rmsDB = 20 * log10(sqrt(rmsDelta));
45   );
46  
47   spl0 = spl0;
48   spl1 = spl1;
49  

     Graphics...

51   @gfx 100 18
52   gfx_x=gfx_y=5;
53   gfx_r=0.7;
54   gfx_g=1;
55   gfx_b=0.1;
56   gfx_a=1;
57   gfx_drawchar($'R');
58   gfx_drawchar($'M');
59   gfx_drawchar($'S');
60   gfx_drawchar($':');
61   gfx_drawchar($' ');
62   gfx_drawnumber(rmsDB,1);
63  

00   /**********************************************************************
01   Copyright (c) 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   **********************************************************************/
23  

     Disclaimer...

24   desc:Peak Meter, Mono, v1.0.0
25   // no decay
26  
27   @init
28   buf = 0;
29   bufpos = 0;
30   buflength = srate * 0.08; // 1.2 = 1200 ms
31  
32  
33   @sample
34   peakValue = abs(spl0);
35   buf[bufpos] = peakValue;
36   bufpos += 1;
37   bufpos > buflength ? bufpos = 0;
38  
39   bufpos % (srate * 0.040) == 0 ?
40   (
41   maxVal = 0; i = 0;
42   while ( i < buflength )
43   (
44   buf[i] > maxVal ? maxVal = buf[i];
45   i += 1;
46   );
47  
48   peakDB = 20 * log10(maxVal);
49  
50   );
51  
52   spl0 = spl0;
53   spl1 = spl1;
54  

     Graphics...

56   @gfx 100 18
57   gfx_x=gfx_y=5;
58   gfx_r=0.7;
59   gfx_g=1;
60   gfx_b=0.1;
61   gfx_a=1;
62   gfx_drawchar($'P');
63   gfx_drawchar($'e');
64   gfx_drawchar($'a');
65   gfx_drawchar($'k');
66   gfx_drawchar($':');
67   gfx_drawchar($' ');
68   gfx_drawnumber(peakDB,1);
69  

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   Reference: Rec. ITU-R BS.1770
23  
24   **********************************************************************/
25  

     Disclaimer...

26   desc:LUFS Meter, Mono [-18dB], v1.0.1
27  
28   @init
29   a1a = -1.69065929318241; // 48k prefilter, boost highs, model effects of head as a sphere
30   a2a = 0.73248077421585;
31   b0a = 1.53512485958697;
32   b1a = -2.69169618940638;
33   b2a = 1.19839281085285;
34  
35   srate == 44100 ? (
36   a1a = -1.66365511325602; // 44k prefilter, boost highs, model effects of head as a sphere
37   a2a = 0.71259542807323;
38   b0a = 1.53084123005035;
39   b1a = -2.65097999515473;
40   b2a = 1.16907907992159;
41   );
42  
43   axn=0;
44   axn1=0;
45   axn2=0;
46   ayn=0;
47   ayn1=0;
48   ayn2=0;
49  
50   a1b = -1.99004745483398; // 48k High Pass
51   a2b = 0.99007225036621;
52   b0b = 1.0;
53   b1b = -2.0;
54   b2b = 1.0;
55  
56   srate == 44100 ? (
57   a1b = -1.98916967362980; // 44k High Pass
58   a2b = 0.98919903578704;
59   b0b = 0.99956006454251;
60   b1b = -1.99912012908503;
61   b2b = 0.99956006454251;
62   );
63  
64   bxn=0;
65   bxn1=0;
66   bxn2=0;
67   byn=0;
68   byn1=0;
69   byn2=0;
70  
71   buf = 0; // buffer exists at offset 0
72   bufpos = 0;
73   buflength = srate * 3;//1.2; // 1200 ms
74  
75   rmsSum = 0;
76   rmsTarget = 0.01;
77   LUFS_REF = pow(10, 20/-18);
78  
79  
80   @sample
81   axn2=axn1;
82   axn1=axn;
83   axn=spl0;
84   ayn2=ayn1;
85   ayn1=ayn;
86  
87   ayn=b0a*axn + b1a*axn1 + b2a*axn2 - a1a*ayn1 - a2a*ayn2;
88  
89   bxn2=bxn1;
90   bxn1=bxn;
91   bxn=ayn * sqrt(1.3);
92   byn2=byn1;
93   byn1=byn;
94  
95   byn=b0b*bxn + b1b*bxn1 + b2b*bxn2 - a1b*byn1 - a2b*byn2;
96  
97   rmsValue = byn * byn;
98   rmsSum -= buf[bufpos];
99   buf[bufpos] = rmsValue;
100   rmsSum += rmsValue;
101  
102   bufpos = bufpos + 1 ;
103   bufpos > buflength ? bufpos = 0;
104  
105   gain = 1.0;
106   rmsDelta = rmsSum / buflength;
107   rmsDB = 20 * log10(sqrt(rmsDelta) / LUFS_REF) - 24; // -21 for stereo simulation
108  
109   spl0 = axn;
110   spl1 = spl1;
111  

     Graphics...

113   @gfx 100 18
114   gfx_x=gfx_y=5;
115   gfx_r=0.7;
116   gfx_g=1;
117   gfx_b=0.1;
118   gfx_a=1;
119   gfx_drawchar($'L');
120   gfx_drawchar($'U');
121   gfx_drawchar($'F');
122   gfx_drawchar($'S');
123   gfx_drawchar($' ');
124   gfx_drawchar($'1');
125   gfx_drawchar($'8');
126   gfx_drawchar($':');
127   gfx_drawchar($' ');
128   gfx_drawnumber(rmsDB,1);
129  
130  

00   /**********************************************************************
01   Copyright (c) 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  

     Disclaimer...

23   desc:Sin Generator Pro, v1.0.0
24  
25   //slider1:.5664<0,1,0.001>Frequency ( see in text box below )
26   //slider2:1000<20,20000,1>Placeholder ( do not move )
27   slider1:.5664<0.3661,0.5664,0.00001>Frequency ( see in text box below )
28   slider2:1000<250,1000,1>Placeholder ( do not move )
29  
30   @init
31   j = 0;
32   gain = 0.316;
33   pi2 = 2.0 * $pi;
34   angle = 0;
35  
36   @slider
37   g = slider1 * 3;
38   h = 20 * pow(10,g);
39   slider2 = floor(h);
40   sliderchange(slider2);
41   slider_automate(slider2);
42   f = slider2;
43   theta = pi2 * f / srate;
44   //j = floor(( angle/theta ) - 1);
45   j = ( angle / theta ) - 1;
46  
47   @sample
48   j += 1;
49   angle = j * theta;
50   c = sin( angle );
51   c *= gain;
52  
53   spl0 = c;
54   spl1 = spl0;

00   /**********************************************************************
01   Copyright (c) 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  

     Disclaimer...

23   desc:Sin Generator, v1.0.0
24  
25   slider1:1000<20,20000,0.1>Frequency
26   //slider1:1000<250,1000,1>Frequency
27  
28   @init
29   j = 0;
30   gain = 0.316;
31   pi2 = 2.0 * $pi;
32  
33   @slider
34   f = slider1;
35   theta = pi2 * f / srate;
36  
37   @sample
38   j += 1;
39   spl0 = sin( j * theta );
40   spl0 *= gain;
41   spl1 = spl0;

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:IR Creator, v1.0.0
24  
25   slider1: 1.0 < 0, 1.0 , 0.01 > IR Max
26  
27   @init
28   max = 1.0;
29   count = 0;
30  
31   @slider
32   max = slider1;
33  
34   @sample
35   newSample = 0;
36   count = count + 1;
37   count == 25 ? ( newSample = max * 0.9999999; );
38   spl0 = newSample;

00   /**********************************************************************
01   Copyright (c) 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  

     Disclaimer...

23   desc:MS Encoder/Decoder, v1.0.0
24  
25   @init
26   gain = 0.707;
27  
28   @slider
29  
30   @sample
31   left_in = spl0 * gain;
32   right_in = spl1 * gain;
33  
34   // create MS pair ENCODER
35   mid = left_in + right_in;
36   sides = left_in - right_in;
37  
38   // output
39   spl0 = mid;
40   spl1 = sides;