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Mixing/Mastering / Re: question regarding compression
« on: February 08, 2016, 07:11:30 pm »Yeah, it really depends on usecase you think about. If you speak about compession effecting something like an electronic kickdrum then yeah, you can draw automation instead of it. (When speaking about clean non-saturating compressors) ... but the advantage of compressor is that on stuff with "unpredictable" and/or quick transients (real drums, vocals, pianos, synths with a lot of modulation etc...) it will do the trick for you automatically.i don't think that holds true, because a compressor affects only the part of the signal above the treshold. Volume automation will change the volume of everything playing at that time, thus having a different effect.
So theoretically you could draw "compression-like" automation over a master channel or finished track, but it would take you weeks or months to do it. Compressor will do that for you instantly.
Well, you can always set volume automation to 0 (no effect) on those areas where the signal is below the threshold.
An "ideal" digital compressor does nothing but rides the volume according to its algorithm, so you can theoretically get the same result with volume automation (I say "theoretically" because your DAW may not allow you to set a huge number of automation points with sample-accurate precision... and even if it does, this will take you forever).
However, most compressors also add color (i.e. extra harmonics) to the sound, which is another reason to use compressors vs just automating volume.