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On Sun, Oct 7, 2012 at 9:37 PM, Sergio Girardi <simpliflying@gmail.com> wrote: Compressors are good to make an instrument fit into the limited bandwidth of a recording (compared to our acoustical hearing where the brain self-adjusts to hear even small sounds in a noisy environment and thus increasing the experienced bandwidth). Compressore are more important when producing a recording but can do a lot of good to a live performance setup as well. Technically a compressor brings up low level sounds and brings down high level sounds, but one normally tweaks a compressor to make a groove swing better - or for live instruments, to make the natural attack envelope of the instrument stand out well in the PA system. A limiter does what its name tells: it sets a limit, a level which the signal can not increase over. Both compressors and limiters are very sensitive to too much frequencies in a low or mid range so often you need an EQ before them to thin out the sound so the compressor will sound groovy. If a bus that is summing many instruments is sent through a compressor all these instrument's sound affect each other. An example can be to but a long 808 type kick and a light hihat pattern through a compressor: you will then hear that during each kick hit the hihat level is faded down ("pumping" in the compressor). A gate is good to set a level under which no signal can enter. A benefit is that noise is masked out. > For example, to avoid peaks, distortion, and saturation,what do I need? A > compressor, a limiter, an EQ, or just set the gain properly? Or a > combination of those? Mostly a combination of all that. And correctly tweaked. Applying them in a different order may give different results, so experimentation with open ears is the way to learn. > And if I want do get a punchy round kick drum, or a fat powerful dense > bass, > weather from a sample or from a Synth or beatboxing, what do I need (a > part > a good sample or synth or voice)? Having a punchy round kick is not enough, if you don't happen to make "kick drum music" :-) You need to EQ, or arrange, the other instruments in the musicalo mix to bring out the "fat", "round" and "punchy" aspects of the kick. You mentioned the RNC compressor. I have one of those and think it is good when run in its Really-Good-Mode. I did an A-B test of it a while back and found that I get better results with certain software compressors, but if your aim is to avoid computers the RNC is a lot bang for the buck. Greetings from Sweden Per Boysen www.perboysen.com http://www.youtube.com/perboysen