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UrsaDSP releases Boost (VST/AU/AAX) – No-clip maximizer with an upward focus


UrsaDSP has released Boost, a new loudness-maximizing plugin. UrsaDSP took second place in KVRDC16 with Lagrange. Boost is their first commercial plugin and will be distributed by Devious Machines.

Boost increases the loudness of audio material. Use it as a signal enhancer during mastering, or to reveal hidden details while mixing or creating new sounds.

Thanks to the Focus control, you can maximize a signal upwardly, applying more gain to quieter sounds – no clipping, ever. A Drive control (plus extra Punch setting for transients) are on hand to add energy and warmth to the signal.


  • Increase average loudness of a signal with no clipping and minimal distortion.
  • Unique Trajectory Technology detection algorithm maximizes gain at every step.
  • Focus control can push quiet sections harder than loud sections and reveal hidden details in audio with up to 52dB dynamic gain.
  • Set Input gain up to 28dB and Output ceiling up to 0dB – Boost's algorithms mean there's no clipping, ever.
  • Choose Attack and Release times to complement your audio and maximization style.
  • Add harmonic distortion using the Drive control.
  • Activate the extra Punch setting to add more power to transients.
  • Set Max Gain to limit the range of maximizing, keeping very quiet sounds unaffected.
  • Compare signals with the Bypass button.

Trajectory Technology

Placed at the detection stage of the signal path, Boost's Trajectory algorithm ensures that the plugin is always achieving the maximum possible gain increase, while keeping the signal transparent and avoiding non-linearities.

Read the Boost Testing Whitepaper to find out more.

Focus: Upward Maximizing

Increase Boost's Focus control and quieter parts of the audio signal will be processed harder than louder parts. By bringing quiet signals up instead of peak-limiting loud signals, Boost offers a different way to control dynamic range, and can bring out hidden details in an audio signal.

Increase Average Loudness

Boost's 'upward maximization' process is an alternative way to reduce a signal's dynamic range without simply clipping the highest peaks into distortion or resorting to 'soft clipping'. This method, combined with Boost's Trajectory Technology, leaves the signal more transparent, and can squash dynamic range even further than most limiters, should you wish.

Reveal Hidden Details

Boost can restore elements that have been suppressed by heavy-handed mixdowns or during the mastering process.

In mixing, use Focus to bring out reverb tails and mechanical noises that were previously too low in the mix.

Price: £59.99 - The introductory price is £39.99. A free 14-day demo is available from the Boost store page.




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