- About Us
Loudness compliance perfectly integrated into your workflow, using a clear resizeable interface and ground breaking ReMEM automated loudness memory technology.
Upgrading to version 2? Learn more
Using an industry standard gives you confidence and peace of mind. VisLM-H2 delivers everything you need – intuitively, accurately and immediately.
"We use VisLM on every project that's headed for TV or theatrical release because it gives us confidence that our mix will be up to spec and optimized for the channel on the first try."
Alan Silverman | Arf! Mastering
With a unique design focused on primary loudness parameters, VisLM-H combines an instant overview with detailed historical information, enabling you to hit your target first time, every time.
Additional loudness logging and time-code functions allow for proof of compliance reporting and postmortem analysis with frame accurate referencing.
For Pro Tools HDX power users, Visualizer DSP is available to take full advantage of Avid's HDX hardware.
Elegant and simple to use, VisLM-H2 promotes a highly efficient workflow with the ability to drill down to any level of complexity the context demands. With VisLM-H2, your loudness workflow is transparently integrated into the production environment. Now with a fully resizable interface and many additional visualisations, it's even simpler to identify exactly the information you need and choose the configuration that matches your workflow precisely.
Loudness memory workflow accelerators
VisLM-H2 remembers loudness data – up to 12 hours, locked to time-code received directly from your NLE/DAW. Any minor edit or over dub immediately triggers overall loudness updates, eliminating the need for end to end re-measurement. Loudness data is saved with the session allowing full session loudness recall – pick up where you left off. Offline AudioSuite scans can be loaded into the real-time meter for immediate pre-loading of loudness history. ReMEM brings unparalleled workflow acceleration, delivering best-in-class performance to your editing environment today.
Loudness normalisation introduces a common reference point for all stages of audio production, allowing audio professionals to remain in control of audio quality and meet the requirements of current and proposed legislation.
- Hit specification easily and intuitively
- Achieve average loudness harmonisation from differing sources
- Balance music/dialog/special effects
Mixing | Mastering | Acquisition
- Take control of audio quality at source
- Avoid 'level shifting' further down the broadcast stream
- Produce consistent masters
Broadcast | Transmission
- Meet legislation and internal standards
- Manage live broadcast levels rapidly and objectively
- Consistently balance music/dialog/special effects
- ASWG 7.1 surround support
- PlayStation, PSP & Xbox One compatible
- Balance dialog/SFX/beds
VisLM-H2 vs VisLM-C2
VisLM 2 is available in two versions. VisLM-H2 (History) and VisLM-C2 (Compact). For a feature comparison, see the table at the top of the Features tab.
Some of our global broadcast customers
Peter McCabe | 100+ Platinum & Gold Mix Engineer
"Monofilter is a fantastic low-frequency management tool... [it] makes bass work much more intuitive and interactive with instant feedback that shows me how I'm affecting the mix and lets me make adjustments with each step, Monofilter makes it easy to root the bass line solidly in the mix "
Daniel Jones | Managing Director | Vaudeville Post
"We use NUGEN Audio tools in every mix session across the board. They are fantastic to use and completely do the job."
Armand Klenk | Head Instructor Audio | SAE Institute
"We have been using VisLM and LM-Correct software plug-ins for about a year now, and they have become a critical part of our offering. We could not teach students about broadcast-related loudness without them."
Peter Cole | Before Noon Post
Check out this interview with Peter Cole, Multi-Emmy Award winning re-recording mixer from Before Noon Post in Los Angeles. Peter walks us through his loudness workflow for Futurama, and other award winning shows.
What's new in 2? VisLM-H | VisLM-C comparison table
Fast, accurate analysis
- Native NLE/DAW operation (PT, Avid MC, FCP, Premiere etc.)
- Stand alone application
- International standards compliant
- Time-code locked ReMEM enabled
- Automated loudness overdub
- Loudness history saved & recalled with session
- Offline loudness 'pushed' to real-time meter
- 'Alert' Warning options
- Loudness boundary indicators
Industry standard benchmark
- ITU-R BS. 1770 | EBU R128 | CALM Act compliant
- Momentary, Short term and Integrated loudness
- Loudness range
- Overall program loudness measurement
- Maximum True Peak Level meters
- 'EBU Mode' meters
- Automatic mono through 5.1 compatibility + ASWG 7.1 support
- Leq(m) (TASA) measurement
- Highly configurable
Loudness history profiling (VisLM-H only)
- Historical loudness profile
- Fully resisable history view
- Loudness histogram
- Offline data export
- Multiple export parameters
- Postmortem time code referencing
Click here to download product manual
VisLM 2 | New Interface Features in Version 2
Short tutorial showing how to resize the interface of VisLM and new displays on the loudness history view.
VisLM 2 | Over-dubbing loudness measurements
Short tutorial showing how to use VisLM to over-dub your loudness measurements in timecode mode.
VisLM 2 | Quickly generating loudness data
Short tutorial showing how to use the AudioSuite of VisLM to quickly generate loudness data and transfer it to the real-time plug-in.
Writing Loudness to ProTools Automation Tracks using VisLM-H
A short tutorial showing how to use ProTools Automation Tracks to record loudness values and alerts in the time-line.
VisLM AudioSuite | Fast Scan integrated program loudness
Faster than real-time Loudness analysis using the VisLM Audiosuite plug-in within your Avid editing environment.
VisLM Loudness Metering Overview
A brief introduction to loudness metering using the NUGEN Audio VisLM-H EBU/ITU/ATSC standard loudness meter plug-in.
VisLM User Interface 1
VisLM | Main User Interface
VisLM User Interface 2
VisLM | Compact User Interface
(showing True-Peak metering)
Our loudness products are compatible with all recommendations and guidance based upon the international standard ITU-R B.S. 1770, revisions 1, 2, 3 and 4 including:
ATSC A/85 (CALM ACT)
EBU R128 S1
VisLM 2 also supports Leq(m) measurement (TASA and SAWA variants)
We support AAX, VST, VST3, AU and AudioSuite in both 64-bit and 32-bit versions. RTAS is also available as 32-bit only.
The VisLM-H DSP extension enables support for Avid AAX DSP Hybrid operation.
VisLM-H is also available as a stand alone application for Windows and OSX
Minimum System Specification
Mac OSX 10.7.x, 512 MB RAM
Windows XP or above, 512 MB RAM
Full ReMEM functionality requires a time-code lock to be provided to the plug-in by the NLE/DAW.
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Mix & Mastering