They typically have slow attack and release times so preserve transients well. Some of the first compressors used tubes (or valves) to control the gain reduction. Try using a FET compressor to tame the transients of a vocal or instrument during recording and follow it with a slower and smoother compressor such as tube or optical. Some famous examples include the UREI 1176 (especially revisions C, D and E). Be careful with those fast attack times, it can be best to start off with the slower attack times (still very fast at 800 micro seconds!). FET compressors are not subtle and will usually lead to an obvious and familiar tone. These are bold compressors with incredibly fast attack times.
#Sound compressor for mac how to
This video is intended to follow on from my "Compression Explained" video where you can learn how to dial in all the settings and feel confident with your mixing. Let's look at the different common types of Compressors: FET, Tube (Vari-Mu), Optical and VCA. 💸 Save money on DistroKid if you signup through my custom link - 🤍 Experiment to see if it gives you a more natural tone. The knee of a compressor makes the threshold act more smoothly, so that compression is triggered in a smoother or more gradual manner. With this boost applied and the peaks brought down, the overall signal is louder and more full! How fast does the compressor recover after the signal falls below the threshold?Ĭompression turns your audio signal down, so we apply a boost at the end to bring it back up to the original level.
How fast should the compression start after the threshold is passed? 20:1 and higher is usually getting into the range of limiting, where you have a virtually infinite ratio to prevent any peaks. The higher the number, the more gain reduction will be experienced when the signal passes the threshold. This 4:1 ratio means only 25% of the signal above the threshold will pass through, so this is very noticeable.Ī ratio of 2:1 means that for every 2 dB the signal goes over the threshold, the compressor will only allow 1 dB through, so this only allows 50% of the signal above the threshold to pass through, this is considered gentle. The point or level in dB where the compression will start being applied.Ī ratio of 4:1 means that the signal has to go 4dB above the threshold to get 1dB out (3db of compression)ĨdB over = 2dB out etc ( 6db of compression!) I will show you all the important settings while compressing vocals and guitar.ġ) Listen to compression when all your tracks are playing, if you can't hear the other instruments and vocals it is usually a waste of time (unless you are highly experienced.in which case.why do you watch my videos!)Ģ) Often you need compression to make a vocal sound natural in a mix, surprisingly - This is due to how the microphone picks up some peoples voiceģ) Have an Aim! If you don't know what you are aiming for, how will you be able to guarantee a good result? When you listen to the uncompressed audio, ask yourself: In this video, I am going into a huge amount of detail to explain how to deeply hear and understand vocal compression so that you are no longer confused.
Understanding compression and how to hear it is an essential mixing skill. I'm a Scottish audio engineer and founder of In The Mix.
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