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Every day, millions of people adjust their level controls over and over. Why? Because of the most fundamental audio issue of all - the control of loudness. Rather than just measuring peak levels, LM5D combine frequency weighting with an energy-integrated measure of sound, or equivalent continuous sound level, abbreviated Leq. Broadcast has standardized on Leq(K) for measuring loudness, and for the balancing of programs.

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Recognizing requests from many Pro Tools users producing audio for broadcast as well as for cinema, an Leq(M) based radar meter is available: The AM6. The radar epitomizes an intuitive and efficient way of visualizing loudness or annoyance over time, while the integrated Leq(M) number indicates the status of the entire trailer or commercial with regard to regulatory limits.

TASA, MPAA, Dolby, DTS and others were involved in the definition of Leq(M), which has been adopted in several countries.

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Loudness Website

Keeping track of the multitude of issues around loudness can be a challenge. That's why we've created a one-stop dedicated loudness website where you'll find critical information on the most important issues.

The site is an answer to the highly relevant question:
"What Is Loudness, and Why Is It Important?"

Visit the Loudness Website

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In the Press

There's a reason that world-leading broadcast magazine regularly invite us to share our knowledge: we've been pioneers in the digital audio world since 1985.

We've taken part in research studies and the definition of international broadcast standards right from the start, donating technology which has become a crucial part in new, open international standards.


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