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Eclipse Audio Updates FIR Designer

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Eclipse Audio says the newest update to its FIR Designer software accelerates the traditional IIR-filter-based equalization process for individual loudspeakers and systems. Version 4.2 introduces Auto IIR alongside an expanded selection of brand-specific IIR emulations.

Within FIR Designer, the company says users can access dedicated IIR functionality to select and manually adjust any IIR-based filtering they want to use in the destination processor. With the recent expansion of this functionality to include Auto IIR, parametric filters can now be automatically chosen and configured to match a target response, significantly reducing the need for manual adjustments and expediting the equalization process. The automatically generated parametrics can be used independently or in combination with other IIR filter types, and can be manually fine-tuned just like any other filter. All IIR-based EQ settings can be exported individually or as part of a combined FIR+IIR preset.

Eclipse Audio says the new Auto IIR function works with any of the built-in branded IIR filter modes, or the default ‘Generic’ mode. With v4.2, the list of branded modes has expanded to twelve, and now includes Biamp Tesira, Blaze Audio, BSS, Lake, Linea Research, Marani, Pascal Audio, Powersoft, QSC Q-SYS, RAM Audio, RMS Acoustics and Symetrix. Utilizing a specific IIR mode guarantees precise matching of the IIR filter behavior with the selected processor, as it automatically adjusts for brand-specific differences in IIR filter interpretation. Moreover, engineers who work with multiple processor brands can easily convert filters from one brand to another with a single click, according to the company.

Here’s a video of how it works:

Both FIR Designer and FIR Designer M version 4.2 include Auto IIR and the branded IIR modes. The software is available for download at eclipseaudio.com

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