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TVTechnology.com reports that the face of television audio has developed some interesting new wrinkles since we last looked at loudness—namely, immersive audio, objectbased audio and audio for personal devices. We’re just beginning to unwrap the specifics and demands of these new delivery formats as well as learning how to produce for them, but loudness is an important factor of each.
The best news on the loudness front is that measurements are still based on the ITU-R BS.1770 standards we’re already using. Existing loudness meters remain valid, though some updates will likely be required. First up, we’ll take a fresh look at the foundations of loudness before we examine the impact the new formats will have on it.

Read more at http://www.tvtechnology.com/resources/0006/the-effects-of-new-formats-on-loudness/281386