A rough rule for compression is that you want the compressor to 'recover' just before the next transient. Delay calculator time – Applied Usage. For consistency, you could define those boundaries yourself, say, when gain drops by 1 dB (attack) and recovers to -1 dB, but the caveat is that you need to have enough gain reduction to get past the knee. I’ll start with my ratio at 2:1, have my attack time turned up high to 30ms (to allow the drum transients to pass through the compressor), and then I’ll have my release time set really fast at around 0.1s to 0.3s (to avoid compressing the following transient). It just doesn't work. Following are the detailed steps to calculate CFM of an air compressor: ... Now release all the remaining air from the compressor tank. then you just gotta fiddle a couple millisec around to compensate for the compressors "character". You decide to apply this to a reverb, and use a predelay of 15ms. For kick and bass, I always use fastest possible attack, and use a release time based on tempo use release time = n*60/bpm where n is a positive integer (for quarter, half, whole note etc.). A slow release on the other hand is going to tell the compressor, you know, we want you to wait a little bit. I also suggest using the time calculated from the delay calculator to be used as the entire time… Say you use the delay calculator and calculate a time of 600ms from a BPM of 100. Release time in seconds, specified as a real scalar greater than or equal to 0. How to use: simply fill in all the boxes below with the requested figures and click on "Calculate CR" to find your engine's compression ratio. Now a fast release time is going to tell the compressor as soon as that sound goes back below the threshold again, we want you to let go of that sound right away. For that reason, you cannot simply calculate your release times based on the tempo of the song. Definition of Compression Ratio. Tunable: Yes. Then start to refill the air compressor while paying close attention to the tank gauge (PSIG-pounds per square inch-gauge). This compression ratio calculator can be used to work out the compression ratio of your engine. Attack time is the time it takes the compressor gain to rise from 10% to 90% of its final value when the input goes above the threshold. The compression ratio of an engine is a very important element in engine performance. Data Types: single | double. We want you to stop compressing, and bring the sound back to its natural volume. Simultaneously, you need to precisely record the time it takes for the tank to reach its full capacity. What we’re going to do, is take the bpm of the song, and divide 60,000 by that bpm. Now, When calculating the release time of your compressor, there is one number that always stays the same, and that number is 60,000. Feb 23, 2010. dfault. Full Clip Audio, Feb 23, 2010 #19. ReleaseTime — Release time (s) 0.2 (default) | real scalar. The reason this number is always used, is because there are 60,000 ms, in one minute. Even this is rough because it doesn't take into account anything but 'transparent' compression as a goal. Release time is the time between the input going below threshold and when gain returns to unity (or there's no more gain reduction).