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Eyeheight introduces LE-2M-K legaliser with real-time loudness correction at InterBEE 2012

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News : Eyeheight introduces LE-2M-K legaliser with real-time loudness correction at InterBEE 2012

Eyeheight's new LE-2M-K legaliser incorporates real-time loudness correction to ensure full conformity with industry-standard video and audio signal levels.

Last Updated: November 9, 2012 6:31 pm GMT
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(November 9, 2012) Scheduled for launch at InterBEE 2012 in Tokyo, 14-16 November, the LE-2M-K auto-detects incoming SDI or HD-SDI video at 1080i/50/59.94, 720p/50/59.84, 625/50 or 525/59.94 and applies the appropriate legalising format. It then ensures that incoming signal video is held within user-selected colour-space parameters: RGB; YUV; composite (PAL or NTSC); or RGB-and-composite combined. Legalisation can be performed to conform with EBU-R 2003 standard SDI settings and 7.5 IRE or 0 IRE Pedestal. Six user memories and common presets are provided.


The front control panel of Eyeheight’s LE-2M-K legaliser with real-time loudness correction.

Additional features of the legaliser include Eyeheight's unique clobberRing automatic luma overshoot and undershoot suppression together with luma and chroma gain, black level adjustment, hue rotation, adjustable clipping levels and soft-clipping-knee levels. An 'out-of-gamut' indication feed displays overshoot or undershoot severity and shows the user where on the picture any signal correction is being performed.

In the audio domain, the Eyeheight LE-2M-K provides automatic real-time control of perceptual loudness and true peak level using ITU-R BS.1770 multi-channel loudness and true-peak estimation algorithms. These are coupled with proprietary correction algorithms to ensure compliance with loudness and peak-programme level requirements. Embedded stereo or surround audio loudness are continuously monitored, system gain being seamlessly adjusted across all channels to maintain the loudness limit while preserving the audio imaging. The processor also performs 8x over-sampling true-peak estimation and instantaneous correction on all stereo or surround channels, ensuring that peak-programme level limits are adhered to.

Eyeheight will be represented at InterBEE 2012 by Tokyo-based MTC Japan (http://www.mtc-japan.com).


About Eyeheight

Eyeheight (http://www.eyeheight.com) designs and manufactures SDI/HD-SDI equipment for programme-origination, quality-assurance, post-production, playout and associated areas. This includes hardware legalisers, logo generators, safe-area generators, keyers, colour correctors and aspect ratio converters. Eyeheight products are available worldwide.


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