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BUTE Loudness Analyser Stereo

Metering by Signum Audio

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Sound on sound 120 pluginboutique
"The Bute analyser plug-in is a very welcome addition to the field, and quite reasonably priced..."
. The World's Best Recording Technology Magazine.
Protoolsexpert 160 pluginboutique
"Signum Audio have produced a really clever but clear interface which will really help you manage the dynamics and loudness of your content."
. The best tips, tricks, tutorials and news on the web.

The Perfect Tool for Keeping Your Levels in Check

Note: This product is the Stereo version. The Surround Sound version of Bute Loudness Analyser is also available.

As loudness standards are being adopted on more and more broadcasting and streaming platforms, loudness meters have become an invaluable tool for serious audio producers - whether you are producing for broadcast, music, gaming, podcasts or film. Meeting loudness standards ensures your audio is optimised for streaming and broadcasting, thus retaining the dynamics of your audio. Our BUTE Loudness Analyser is the backbone of our range of loudness solutions and truly is the very latest in loudness management software.

Bute-Ifully Crafted

The BUTE Loudness Analyser is our baby and has been beautifully crafted to deliver unparalleled levels of insight into your audio files with accurate and customisable reading. Then there are advanced features like automatic re-metering, customisable warnings, a slick interactively navigation overview, and reloadable session data for the loudness-conscious mixing or master engineer.

Smarter Mixing & Mastering

With our high precision metering algorithms you can rest assured that your audio will meet your clients delivery specifications and sound as it should. With a range of useful workflow features (which you can learn more about in the features tab), meter readings, and the latest broadcasting and streaming standards included as presets, our loudness meter makes your mixing and mastering journey much simpler. 


Mixing & Mastering:

  • Produce consistent masters
  • Avoid 'level shifting' and clipping downstream
  • Ensure accurate representation of your audio/music
  • Measure and refine dynamic content

Post-Production & Broadcasting:

  • Hit target levels easily with a wide range of implemented presets
  • Ensure and prove compliance with regulation
  • Balance dialogue, music and effects
  • Manage live broadcasting & streaming levels accurately and efficiently
  • Optimise dynamics for streaming content

Gaming Audio:

  • Balance sound effects and dialogue


  • Clean and comprehensive user-interface with loads of neat features
  • Integrated True Peak Brickwall Limiter to catch any overshoots
  • Highly informative graph display
  • Easily toggle between readings for short-term & momentary loudness, true peak, and traditional RMS
  • DAW Sync and automatic re-metering reflecting any adjustments you make for a smarter workflow
  • Wide array of built-in presets for the very latest loudness standards and recommendations
  • History overview and alerts letting you easily see and navigate to areas that require your attention
  • Custom alert system so you can specify your own parameters
  • Flexible and scalable so you can have a graph or numerical view
  • Can handle 10+ hours of data
  • Reloadable session data
  • Save, Load and Export metering data
  • Available for Windows and Mac
  • Compatible with VST / VST3 / AU / AAX (including Audio Suite)
  • Pro Tools 12.5 or higher
  • Included in the BUTE Loudness Suite

DAW Sync and Automatic Re-Metering

Whether you use Pro Tools, Ableton, Logic, Cubase, Premiere Pro (or most other DAWs for that matter), Bute will synchronise with it locking to the transport. When you make any alterations to your audio in your DAW, Bute automatically re-analyses and updates the overall metering and history graph.

Built-In Presets

Bute is fully compliant with all revisions of ITU-R BS. 1770, EBU R128, ATSC A/85, OP-59, ARIB TR-B32, Spotify, YouTube, Apple Check, Hulu, Netflix, TIDAL, Sony Gaming (ASWG), AES Streaming Recommendation, US Public Radio (PRSS), TIDAL and Pandora. You can also save multiple user-defined presets.

History Overview & Alerts

The detailed history overview gives you complete oversight and insight of your session. Areas of your audio that need your attention will be shown in red in the history overview. You can easily navigate to the areas that require your attention and zoom in and out your metering data. Handling a long session? No problem!

Custom Alert System for Dynamic Work

If you are working within a dynamic range, you can specify your desired range parameters in the "custom warning system" section of the settings menu. Sections of your audio that go out with the specified range will appear in yellow on the history overview. This will let you focus on your craft instead of meter readouts.

Easily Toggle Between Readings

You can toggle between short-term and momentary loudness, true-peak, and traditional RMS readings at the click of a button. This means you can declutter the interface to focus on the information you want. The same goes for switching between absolute and relative scale.

Flexible and Scalable

Bute is completely scalable giving you the flexibility to freely adjust size and scale to your preferences. There is also a compact view to save valuable screen space if needed.

Save, Reload and Export Metering Data

If you need to save multiple sessions for different platforms, you can. Bute will also reload metering data from previous sessions so you can head home and continue the next day where you left off.  If you need to prove your programme or audio file is loudness compliancy, you can export CSV logs too.

System Requirements

  • Operating System: Mac OSX 10.9 or higher / Windows 7 or higher
  • Formats: VST/ VST3/ AU/ AAX (including AudioSuite)
  • Available in 2 versions - Stereo or Surround (includes up to 7.1.2 support).
  • Architecture: 64-bit only
  • Pro Tools 12.6 or higher (for the AAX version of the plugin)

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