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Day Sequerra NLC4ST

Day Sequerra NLC4ST

Aug 30, 2010 12:00 PM, By Erin Shipps, associate editor

Loudness meter

The NLC4ST can independently process four stereo channels of audio simultaneously and apply loudness correction in 1RU. It measures and controls perceived loudness of the program audio using the industry-standard ITU-R BS.1770/1 as well as DTS-Neural Loudness Measure (NLM) and DTS-Neural Loudness Control (NLC) algorithms. NLM uses a perceptual model of human hearing to more accurately detect spectral and density difference, inter-channel relationships and temporal overlaps. NLC is a loudness leveling algorithm that applies the appropriate gain or attenuation to maintain the broadcaster-defined loudness level.
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