ISL – new inter-sample True-Peak limiter

September 17, 2012 · Posted in Uncategorized 

NUGEN Audio has launched ISL, an inter-sample True-Peak limiter that gives complete control over peak levels in audio signals from mono to 5.1. ISL diverges from traditional approaches to limiting by measuring inter-sample peaks and allowing the user to set the true-peak limit, rather than the traditional threshold at which limiting begins. By measuring and correcting for inter-sample levels, ISL protects against distortion that can be introduced when codecs such as mp3 and AAC are applied downstream. Like all NUGEN Audio tools, ISL is intuitive to use and lets audio professionals mix with their ears, leaving ISL to ensure compliance with loudness standards. Designed for the transparent limiting of relatively dynamic high-quality audio, ISL can also be used to hard-limit and reduce dynamic range where required.

Using the standardized true-peak algorithms of ITU-R B.S. 1770 and related standards, ISL is suitable for post-production and broadcast applications. Features include comprehensive dBTP metering, adjustable channel linking, support for audio formats from mono to 5.1, adjustable ballistics, color splits, and peak indicators.

“I recently finished a “Between the Ears” program for BBC Radio 3 using ISL, and I found it completely transparent. I deliberately tried pushing it hard and it just works, even with much more gain reduction than I would normally consider using in this context. The NUGEN Audio ISL True Peak Limiter is now my limiter of choice for all my broadcast work,” said independent post production engineer Mike Thornton.

ISL is part of NUGEN Audio’s new range of innovative and easy-to-use loudness correction tools, which includes VisLM and LM-Correct.

ISL is RTAS, Audiosuite, AU and VST-compatible and available in 32-bit and 64-bit versions for OS X and Windows at $249.

More information about ISL and other NUGEN Audio products is available at www.nugenaudio.com.

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