The TC Electronic range of loudness meters in now compliant with the ITU-R BS.1770-2 standard.

For the past two years, pro audio and broadcasting has been moving away from peak level normalisation towards new, loudness-based solutions. In April 2011, another important step was taken when the ITU-R body upgraded its BS.1770 standard to BS.1770-2.

The first version of BS.1770 relied on ambiguous speech detection – which can have unexpected consequences trying to control the level of commercials or programmes of certain genres – so the 1770-2 recommendation incorporates a relative gate, making the measurement well-defined and practical to use, also across genres.

It is now also relevant for controlling the level of promos and commercials.

Further, the new version is completely open standard, because TC Electronic donated core technology to EBU, where it was refined by PLOUD; and now brought back into the revised ITU standard.

TC Electronic has updated its radar loudness meters in System 6000 Mk.II (v5.11), DB4 (v3.20), DB8 (v3.20), DB4 Mk.II (v3.20), DB8 Mk.II (v3.20), LM2 (v1.11), TC TouchMonitor TM7 & TM9 (v1.14) and for Pro Tools HD (LM5D v2) to comply with BS.1770-2.

In addition to BS.1770-2 measurement compatibility, these units also have dedicated EBU R128, TR-B32 and ATSC A/85 metering presets. Smooth and BS.1770-2 compliant loudness correction is now available in DB4, DB8, DB4 MKII and DB8 Mk.II, with the DB2 to receive this capability in coming months.


TC Electronic

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