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AES Launches Audio Loudness Portal

Goal is “a predictable, consistently satisfying listener experience”

The Audio Engineering Society has launched a loudness portal.

“Consistent loudness should be a goal of audio engineers for digital content delivery,” the website states.

The AES Loudness Project website provides tutorials about “the fundamental concepts of audio loudness, its measurement and management.” The material was developed by the AES Technical Committee for Broadcast and Online Delivery.

“Frantically fumbling for the volume control when changing television channels or having to adjust volume at song transitions when listening to music is becoming a thing of the past,” the society stated in a press release.

The AES Loudness Project website offers educational material and other resources.

“This welcome transition is in no small part due to the efforts of numerous members of the AES in the development of standards and guidelines, and even in influencing and refining regulations by governments, to unify the best practices that have improved the consumer listening experience dramatically.”

David Bialik, chair of the TCBOD Loudness Website working group, said the portal “builds from the basics in an easily accessible format to deliver the core knowledge that all audio engineers should possess about loudness in order to maintain consistency in perceived loudness across content and source changes.”

Bialik described audio loudness and its measurement as an essential part of today’s media production and distribution “as we work together for the common goal of delivering the artistic intent of content creators and a predictable, consistently satisfying listener experience.”

Materials cover loudness basics and loudness normalization, and include a list of references and resources.

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