Whoaaa! Bojcha, this is what I've been looking for!
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| attack percentage https://forums.stereotool.com/viewtopic.php?f=26&t=5966 |
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| Author: | \_/ [ Sat Mar 07, 2015 7:45 pm ] |
| Post subject: | attack percentage |
Just being nosy: where does this 86% for the attack time stem from? Usually it's 63% = 1 - 1/e. Is it 1 - 1/e^2 here or something completely different and why? |
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| Author: | Bojcha [ Sat Mar 07, 2015 8:20 pm ] |
| Post subject: | Re: attack percentage |
Quote: Because increasing time has a diminishing effect on gain for compressors, it is practical to specify attack as the time required for gain to settle to a defined percent of final value. Typical are 86% or 95% of the final value.
http://www.rane.com/note155.html
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| Author: | Slawomir B. [ Sat Mar 07, 2015 8:35 pm ] |
| Post subject: | Re: attack percentage |
Whoaaa! Bojcha, this is what I've been looking for!
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| Author: | \_/ [ Sat Mar 07, 2015 10:15 pm ] |
| Post subject: | Re: attack percentage |
What I meant was where these numbers come from, what's there motivation? They look a lot like this RC capacitor voltage response: 
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| Author: | hvz [ Sun Mar 08, 2015 12:40 am ] |
| Post subject: | Re: attack percentage |
I actually have no idea. I read descriptions of these numbers being more or less a standard so I used them... |
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| Author: | \_/ [ Sun Mar 08, 2015 7:44 am ] |
| Post subject: | Re: attack percentage |
Now I'm stunned. But ST is still using an exponential function, i.e. to reach 86% needs two times as long as reaching 63%, correct? |
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| Author: | hvz [ Sun Mar 08, 2015 2:12 pm ] |
| Post subject: | Re: attack percentage |
Probably, yes. If you're not using things like Inertia. |
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