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 AL (Auto Loudness) by JELSTUDIO is a Virtual Effect Audio Plugin. It functions as a VST Plugin.
AL (Auto Loudness)
Product AL (Auto Loudness)
Price (MSRP)
49 £, 59 $
Type / Tags LoudnessAuto GainAuto LoudnessDynamicsGainLoudness NormalizerRealtime
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
  Download Released
System Requirements
Windows 7 - 10
Miscellaneous Information
Copy ProtectionNone
Max. 6 items
Latest Version Changes [view all]

JELSTUDIO's "AL" (Auto Loudness)

An automatic perceived-loudness normalizer for LIVE use.

(If you buy/own OTTO you get AL for free)


AL will automatically and continuously adjust audio-gain to maintain a similar overall perceived-loudness of the audio going through it.

Technically it is a 32/64-bit VST2 audio-effect plugin mainly for use in a LIVE VST-host (for example with LIVE stage-performance audio, or with music/TV home-stereo audio), but it can also be used in DAWs and sound/video-editors on Windows.

A few ideas of what AL can be used for: to balance dialog and sound-effects when watching movies, to avoid loud commercials when watching TV-shows, to balance loudness between songs when listening to music. It can also be used on LIVE internet-broadcasts.

Some of AL's key-points:

  • Runaway volume peaks are clipped at -0.1 dB FS.
  • Zero latency (for LIVE use or for tracking).
  • Inspired by "Recommendation ITU-R BS.1864-0" (See manual for more info).
  • Inspired by "Recommendation ITU-R BS.1770-4" (See manual for more info).
  • Can handle incoming audio-signals that has 'overs' (internally handles signals hotter than 0 dB FS, either real peaks or ISPs).
  • Works on mono and stereo signals.
  • GUI layout is optimized for 'peripheral vision overview' (when looking at the center of the GUI; all important displays can be read at a glance with peripheral vision).
  • AL has 18 different methods of adjusting loudness.
Latest User Reviews Average user rating of 4.00 from 1 review

Reviewed By sebastien wittebolle
January 12, 2017

Good little plugin for have a constant loudness sound .

Thank you to Jacob the developer.

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AL (Auto Loudness)

Average user rating of 4.00 from 1 review

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