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https://github.com/cookiengineer/audacity
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16 lines
407 B
Plaintext
16 lines
407 B
Plaintext
(SLOPE-ALG
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(NAME "slope")
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(ARGUMENTS ("sound_type" "input"))
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(STATE ("sample_type" "prev" "0.0F")
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("double" "scale" "input->sr * input->scale"))
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(INTERNAL-SCALING input)
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(CONSTANT "scale")
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(DELAY 1)
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(START (MIN input))
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(INNER-LOOP "{ register sample_type x = input;
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output = (sample_type) ((x - prev) * scale);
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prev = x;}")
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(TERMINATE (MIN input))
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(LOGICAL-STOP (MIN input))
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)
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