The NUGEN Audio VisLM is a loudness metering system fully compliant with the ITU-R BS.1770/1771 metering standard, EBU R128, ATSC A/85 and several other
region specific loudness standards.

VisLM is available in two versions, VisLM-C (compact) and VisLM-H (history). The operation of both versions is broadly the same, although VisLM-H has a number of
additional features. Both versions if VisLM are available in 2.0 and 5.1 formats.  Many plug-in hosts will now accept the 5.1 version on any audio channel, however some require channel specific implementation, so the 2.0 version is supplied for standard stereo operation in these situations. The 5.1 version will work correctly with track counts from 1.0 up-to 5.1 in hosts that provide this flexibility.
- Clear loudness measurement
- Real-time metering
- Loudness history (VisLM-H)
- Audience specific loudness profiling
- True-peak level monitoring
- Program loudness matching
- Genre compatibility measurement
- Consistency assessment
- Historical diagnostic, 30sec-24hr
- Dynamic range profile targeting

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