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TC Electronic follows new standard

Monitoring and processing manufacturer TC Electronic has updated its full range of loudness products to work with the recently introduced ITU BS.1770-2 standard, writes Kevin Hilton. The company's meters now comply fully with the recommendation.

Monitoring and processing manufacturer TC Electronic has updated its full range of loudness products to work with the recently introduced ITU BS.1770-2 standard, writes Kevin Hilton. The company’s meters now comply fully with the recommendation, which is a revised version of BS.1770, originally released in 2007. BS.1770 formed the basis of the first official guidelines and, in some cases, legislation to regulate audio levels between different types of television programme material. It was also the starting point for the EBU PLOUD working group’s recommendation, R.128. The latest in the BS (Broadcasting Service) series is 1770-2, Algorithms to Measure Audio Programme Loudness and True-peak Audio Level, published in April this year. While the first 1770 used ambiguous speech detection, the new version has a relative gate to allow measurement across different kinds of programme material. TC Electronic technology was used in EBU R.128 and now features in 1770-2. The company’s managing director, Anders Fauerskov, says TC Electronic had “been following development” of 1770-2 and played “a leading role in it”. BS.1770-2 is now incorporated into TC Electronic’s System 6000 MkII (v.5.11), DB4 (v. 3.20), DB8 (v. 3.20), DB4 MKII (v. 3.20), DB8 MKII (v. 3.20), LM2 (v.1.11) and TC TouchMonitor TM7 & TM9 (v. 1.14) products, as well as for ProTools HD (LM5D version 2). All products also feature presets for EBU R.128, TR-B32 and the US ATSC A85 formats. Thomas Lund (pictured), TC Electronic’s head of product management for broadcast equipment, comments that while 1770-2 does not yet have all the tools offered by R.128, it can be used in conjunction with the EBU standard installed on TC equipment to offer a full range of features. www.tcelectronic.com

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