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→Auto Leveller
[[File:AutoLeveller GUI.png|thumb|AutoLeveller GUI]]
[[File:AutoLeveller GUI.png|thumb|AutoLeveller GUI]]
===What is it===
You can think of it as your angry sound engineer in a live situation, both during soundcheck and during the gig. Initially it will turn your output volume down to a reasonable level. It will also do that if anything unforseen happens in the chain (you add another plugin which features an integer gain multiplier and is set to gain=20). When set the right values (try the preset “Tuned”) it should level any source to a loudness level somewhere into yellow meter territory.
It also features two programs:
Init: All set to zero. It will not perform anything unless your level is above 0 dBfs, which is always bad.
Tuned: Set the parameters to reasonable values: Pre Gain will boost the signal by +6 dB to compensate quiet engines like soundfonts, peak threshold is set to -4 dBfs and RMS to -18 dBFS to keep more or less transient heavy signals somewhere in yellow area of your mixer.
===Parameters===
====Pre Gain (dBfs)====
Adjust the pre amplification in case you deal with quieter sources (like soundfonts) you want to boost before getting into the automatic levelling.
====Theshold Peak (dBfs)====
Set your maximum peak levels you want to have. Setting the threshold will reset your former gain reduction so it can listen from the start again. When “Listen” is on, it will only turn the volume downwards. Recommended values are between 0 and -4 dBfs.
====Theshold RMS (dBfs)====
Set your maximum RMS levels you want to have. Setting the threshold will reset your former gain reduction so it can listen from the start again. When “Listen” is on, it will only turn the volume downwards. The detector is estimating RMS values of a 300ms window by a using a lowpass filter. Recommended values are between -14 and -18 dBfs.
====Listen (bool)====
When engaged (by default) it will perform detection and level matching. When disengaged it will keep the current gain, but will not further listen. If engaged again, the gain reduction will be reset.