Implement New York style drum compression effect

[heuermh]

See

Boom Bap! Re-creating ’90s East Coast Hip-Hop Beats in the Home Studio https://www.sweetwater.com/insync/90s-east-coast-hip-hop-beats-in-the-home-studio/

[heuermh]

See also

https://tapeop.com/reviews/gear/140/parallel-aggressor-plug-in

[heuermh]

$ cat dyno.ck
Dyno dyno;

<<<"Dyno default values">>>;
<<<"type", "slopeAbove", "slopeBelow", "ratio", "thresh", "attackTime (samples)", "attackTime (ms)", "releaseTime (samples)", "releaseTime (ms)", "externalSideInput">>>;

dyno.compress();
<<<"compress", dyno.slopeAbove(), dyno.slopeBelow(), dyno.ratio(), dyno.thresh(), dyno.attackTime(), dyno.attackTime()/1::ms, dyno.releaseTime(), dyno.releaseTime()/1::ms, dyno.externalSideInput()>>>;

dyno.duck();
<<<"duck", dyno.slopeAbove(), dyno.slopeBelow(), dyno.ratio(), dyno.thresh(), dyno.attackTime(), dyno.attackTime()/1::ms, dyno.releaseTime(), dyno.releaseTime()/1::ms, dyno.externalSideInput()>>>;

dyno.expand();
<<<"expand", dyno.slopeAbove(), dyno.slopeBelow(), dyno.ratio(), dyno.thresh(), dyno.attackTime(), dyno.attackTime()/1::ms, dyno.releaseTime(), dyno.releaseTime()/1::ms, dyno.externalSideInput()>>>;

dyno.gate();
<<<"gate", dyno.slopeAbove(), dyno.slopeBelow(), dyno.ratio(), dyno.thresh(), dyno.attackTime(), dyno.attackTime()/1::ms, dyno.releaseTime(), dyno.releaseTime()/1::ms, dyno.externalSideInput()>>>;

dyno.limit();
<<<"limit", dyno.slopeAbove(), dyno.slopeBelow(), dyno.ratio(), dyno.thresh(), dyno.attackTime(), dyno.attackTime()/1::ms, dyno.releaseTime(), dyno.releaseTime()/1::ms, dyno.externalSideInput()>>>;

$ chuck + dyno.ck

"Dyno default values" :(string)
type slopeAbove slopeBelow ratio thresh attackTime (samples) attackTime (ms) releaseTime (samples) releaseTime (ms) externalSideInput
compress 0.500000 1.000000 2.000000 0.500000 220.500000 5.000000 22050.000000 500.000000 0
duck 0.500000 1.000000 2.000000 0.100000 441.000000 10.000000 44100.000000 1000.000000 1
expand 2.000000 1.000000 0.500000 0.500000 882.000000 20.000000 17640.000000 400.000000 0
gate 1.000000 100000000.000000 100000000.000000 0.100000 485.100000 11.000000 4410.000000 100.000000 0
limit 0.100000 1.000000 10.000000 0.500000 220.500000 5.000000 13230.000000 300.000000 0

or as a table

Dyno default values

type	slopeAbove	slopeBelow	ratio	thresh	attackTime (samples)	attackTime (ms)	releaseTime (samples)	releaseTime (ms)	externalSideInput
compress	0.5	1.0	2.0	0.5	220.50	5.0	22050.0	500.0	0
duck	0.5	1.0	2.0	0.1	441.0	10.0	44100.0	1000.0	1
expand	2.0	1.0	0.5	0.5	882.0	20.0	17640.0	400.0	0
gate	1.0	1.0E08	1.0E08	0.1	485.10	11.0	4410.0	100.0	0
limit	0.1	1.0	10.0	0.5	220.50	5.0	13230.0	300.0	0

[heuermh]

Fixed by commit 1f0541a