Traditional audio level control devices, such as automatic gain controls (AGCs) and compressors, generally have little or no advance knowledge of the dynamic characteristics of the remainder of the current audio program. If such advance knowledge is available (i.e., if audio files can be pre-analyzed), it becomes possible to match desired values of overall loudness and dynamics. We introduce two new measures, "long-term loudness matching level" and "dynamic spread," and present new methods for long-term loudness and dynamics matching.
Author:
Vickers, Earl
Affiliation:
Creative Advanced Technology Center, Scotts Valley, CA
AES Convention:
111 (November 2001)
Paper Number:
5495
Publication Date:
November 1, 2001
Subject:
Production and Studio Issues
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