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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