We’re happy to announce the release of HoRNet ELM 128 MK2 version 2.2.0, the latest update to our reliable EBU R128 loudness meter with built-in normalization. This update brings several important improvements and optimizations, further enhancing the plugin’s performance and ensuring compatibility with modern hardware and systems.

HoRNet ELM 128 MK2 is a professional-grade LUFS meter plugin built to comply with the EBU R128 standard. It delivers five key loudness measurements that provide a comprehensive understanding of your audio’s loudness profile. These include momentary loudness, short-term loudness, integrated loudness, loudness range (LRA), and true peak. Each of these parameters helps ensure that your mix is balanced and fully compliant with international broadcasting requirements.

Unlike traditional peak meters, LUFS-based metering accounts for the way humans perceive loudness over time, making it ideal for not just broadcast content but also streaming platforms, post-production, podcasting, and mastering workflows.

The plugin is compatible with mono, stereo, and 5.1 surround setups, offering flexibility for a wide range of audio production environments. Whether you’re working on a podcast, a film soundtrack, or mastering an album, ELM 128 MK2 offers all the tools you need to measure, control, and normalize loudness in accordance with modern standards.

A key feature of ELM 128 MK2 is its history graph, which lets you visualize loudness data over extended periods. The graph supports up to 12 hours of continuous loudness tracking, helping you assess long-format content and dynamic shifts throughout a project. This makes it an invaluable tool for mastering engineers and broadcast professionals who need a clear picture of how loudness evolves during a production.

One of the standout elements of HoRNet ELM 128 MK2 is the real-time loudness normalization function. This feature is designed to automatically adjust the gain of your audio to match your target loudness level. You can select your reference from momentary, short-term, or integrated loudness measurements, depending on the context and your needs. The plugin then ensures that the signal remains consistent and compliant, adjusting gain dynamically while preventing peaks from exceeding the defined ceiling.

This real-time normalization not only simplifies the task of achieving broadcast-ready mixes but also ensures that your content sounds balanced and coherent across different playback systems. For content creators working across platforms with different LUFS targets—such as Spotify, YouTube, or Apple Music—this tool offers a straightforward way to meet those specifications without additional processing.

LUFS (Loudness Units Full Scale) is the metric used by ELM 128 MK2, providing a more accurate representation of perceived loudness than dBFS. Unlike traditional dB scales, LUFS measurements apply a pre-emphasis filter that mimics human hearing sensitivity. This ensures that your metering aligns more closely with how listeners actually perceive volume, rather than relying solely on peak or RMS levels.

What’s New in Version 2.2.0

The 2.2.0 release is a maintenance update, but it includes several important enhancements that improve both usability and performance:

  • Added hardware acceleration for the GUI to improve interface responsiveness and reduce CPU load.

  • Added native Apple M1 support, ensuring optimal performance on the latest Mac hardware with Apple Silicon processors.

  • Fixed randomly stuck peak meters, an issue reported by users on both Windows and macOS.

  • Fixed GUI redraw problems on macOS Big Sur, leading to a smoother visual experience and improved compatibility with newer systems.

  • Increased the minimum macOS requirement to 10.11, and added the requirement for Metal-enabled graphics cards, ensuring future compatibility and better rendering support.

These fixes and enhancements make ELM 128 MK2 even more reliable, efficient, and user-friendly. The plugin is now well-optimized for both legacy systems and modern setups, and the new support for Apple Silicon ensures that macOS users can benefit from full native performance without needing Rosetta emulation.

How to Get the Update

If you’re an existing user of HoRNet ELM 128 MK2, this 2.2.0 update is completely free. You can download it directly from the user area on our website, or if you use HoRNet DoIn, our all-in-one downloader and installer, simply open the app and hit “Update.” The latest version will install automatically, ensuring you’re up to date with the latest features and fixes.

Why Choose HoRNet ELM 128 MK2?

  • Accurate and detailed LUFS metering that follows the EBU R128 standard

  • Real-time normalization for effortless compliance with loudness targets

  • Visual history graph with up to 12 hours of data tracking

  • Support for mono, stereo, and 5.1 surround setups

  • Native Apple Silicon support and efficient hardware-accelerated GUI

  • Low CPU usage and high-precision measurements

  • Fast, lightweight, and designed for professional workflows

Whether you are working on music production, film, or broadcast content, HoRNet ELM 128 MK2 gives you the tools you need to ensure your audio sounds consistent and compliant across all platforms. This plugin is the ideal loudness monitoring solution for audio engineers who care about precision, reliability, and performance.

HoRNet ELM128 MK2 loudness meter

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