A revised standard, AES5-2008 AES recommended practice for professional digital audio - Preferred sampling frequencies for applications employing pulse-code modulation has been published 2008-11-12.
A sampling frequency of 48 kHz is recommended for the origination, processing, and interchange of audio programs employing pulse-code modulation. Recognition is also given to the use of a 44,1-kHz sampling frequency related to certain consumer digital audio applications, the use of a 32-kHz sampling frequency for transmission-related applications, and the use of a 96-kHz sampling frequency for applications requiring a higher bandwidth or more relaxed anti-alias filtering.
Further developments in working practices in digital audio have given rise to the use of even higher sampling frequencies and this revision quantifies the preferred choices for these practices. Matters of sampling-frequency precision have been removed from this standard to be handled more appropriately by the associated standard AES11 on Synchronization of digital audio equipment in studio operations.
http://www.aes.org/publications/standards/search.cfm?docID=14
Posted: Wednesday, November 12, 2008
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