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ZPlane Fennek

Audio Metering Plug-in By Hugh Robjohns
Published January 2022

ZPlane Fennek

This BS.1770‑compliant loudness meter offers some interesting and original features.

ZPlane have recently launched a successor to their popular PPMulator metering suite. Instead of emulating obsolete but delightful mechanical PPMs, this new audio metering system, called Fennek, is rather more modern and it focuses strongly on measuring programme Loudness in all its attributes — it’s aimed squarely at professional audio‑for‑video applications.

Fennek combines multichannel bar‑graph peak meters (supporting all formats up to 10 audio channels), with various numerical readouts, and a configurable loudness history chart. The GUI is customisable and resizable, and Fennek can be used either as a standalone and self‑contained metering system or as a conventional plug‑in (VST, VST3, AU, and AAX formats, with support for Windows 10 or Mac OS 10.15, and 11.5 for Intel and M1/ARM machines).

Fennek Overview

Naturally, Fennek incorporates the latest complete BS.1770‑related Loudness metering algorithms and associated displays, and all the usual targets and parameters can be configured manually or called up from an extensive collection of built‑in Presets, which align the meter to the published requirements of the world’s broadcasters, Internet Streamers, and other popular audio outlets.

Momentary, Short‑term, and Integrated loudness (LUFS) measurements are calculated and displayed (with variance ranges and maximum values for the Momentary and Short‑term meters to assist in ‘short‑form’ programme assessment), along with Loudness Range, Dialogue Integrated Loudness (and the percentage of dialogue detected in the audio material, per Dolby’s Dialogue Detection algorithm), and True Peak levels.

So far so conventional, you’ll be thinking, and you’d be right. But where Fennek stands out above its peers is in its handling of measurement history. Of course, most loudness meter plug‑ins now include some form of history view,...

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