Maximizer With An Upward Focus

UrsaDSP's Boost increases the loudness of audio material      29/07/20

UrsaDSP has released Boost which they describe as a pro maximizer with an upward focus. It's available in VST/AU/AAX formats. This is what they have to say about it...

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. Set the Output Ceiling, dial in Attack and Release times, and use the main Boost dial to get anything from a gentle increase in average loudness to an all-out smashed-up signal.

Boost applies transparent signal maximization for a professional sound, and thanks to the unique 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.

Boost is the first commercial plugin from UrsaDSP, who found success with their Lagrange delay as part of the KVR Developer Challenge 2016. UrsaDSP plugins are distributed by Devious Machines.

- 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
- VST/AU/AAX plugin for PC and Mac

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-down in the mix.

Sound designers can find inspiration using Boost to put a new spin on existing audio, transforming loops, breathing new life into vocals, and bringing out a new focus in acoustic instrument recordings.

Trajectory Technology
Boost can get the most out of any audio signal thanks to Trajectory Technology. Placed at the detection stage of the signal path, this algorithm ensures that the plugin is always achieving the maximum possible gain increase, while keeping the signal transparent and avoiding non-linearities.

Pricing and Availability:
On offer at £39.99

More information:



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