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1.1.3

Features

  • Autoleveller audio processing plugin (VST3 & AU formats)
  • For podcasting, streaming, events, broadcasting, game, film & TV sound and audio drama
  • Live and post-production
  • Input and output stage limiters
  • Loudness measurement
  • Optional 4x oversampling on output limiter
  • Up to 64 channels

atkAutoleveller adjusts overall audio level to match specific target level in real-time. Auto-leveller could also be called as dynamic normalizer. Internal reference level is -24 LUFS. Input stage limiter can be used to protect auto-leveller circuit from sudden loud bursts of sound. Output stage limiter allows setting (or offsetting) final output level. Adjusting range parameter can be used to prevent ambience or background music from triggering auto-levelling circuit.

Pre-gain: Adjusts input gain before any processing. Range: Threshold in relation to internal reference level. Time: Time constant. The speed of overall auto-leveller gain adjustment. Hold: Holds auto-leveller gain at current level. Reset: Gradually resets auto-leveller gain to unity.

Input Limiter: Threshold and ceiling: Typical audio limiter input threshold and output ceiling parameters. Release: Release time. S-shaped release curve. Link: Links threshold and ceiling.

Output Limiter: Threshold and ceiling: Typical audio limiter input threshold and output ceiling parameters. Release: Release time. Classic release curve. Link: Links threshold and ceiling. TP: 4x oversampling.

Example: Adjust source gains or atkAutoleveller Pre-Gain to get input level roughly to midpoint on the input meter. Enable link on input limiter. Adjust input threshold/ceiling to catch loudest parts (e.g. beginnings of phrases, laughter etc). Optionally adjust input release time. Shorter times give more aggressive sound, and longer times give smoother sound. Adjust auto-leveller range to keep ambience/background noise below range threshold. Set time to fit your material. Set final output threshold and ceiling. Limiter should not be constantly limiting. Optionally adjust output release time. Setting threshold and ceiling at same level will maintain internal unity level.