Consistent loudness should be a goal of audio engineers for digital content delivery. This portal provides tutorials developed by the AES Technical Committee for Broadcast and Online Delivery (TCBOD) on audio loudness, with guidelines for content production and distribution consistent with AES Recommended Practices from its Technical Council, and Standards committees.
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Loudness Basics
Understanding audio loudness, and its management in production and distribution, are essential in delivering artistic intent to the audience while maintaining perceived loudness across content and source changes.
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Loudness Normalization
Exploring normalization – manual and automatic processes to manage loudness levels.
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Dialogue Intelligibility
Understanding dialogue intelligibility in the media production/delivery ecosystem.
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Insights from Professionals
Commentary by audio professionals on measurement and management of loudness in production and distribution.
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References and Resources
A collection of relevant standards, guidelines, papers and articles relevant to loudness measurement and management.
Loudness Project Team
The AES Loudness Website initiative was conceived and created under the auspices of the AES Technical Council’s Technical Committee on Broadcast and Online Delivery. Contributors to the project development include:
David Bialik
Co Chair AES TC-BOD / Consultant
Robert Bleidt
Streamcrest Associates
Richard Friedel
Formerly Fox Television
Cornelius Gould
Angry Audio
John Kean
Broadcast Engineering Consultant
Scott Norcross
Dolby Labs
Frank Wells
AES Past President / Consultant





