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Audio Post Production for Television and Film, 3rd Edition by Tim Amyes, Hilary Wyatt

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4

Audio Transfers and File Formats

Hilary Wyatt

The proliferation of DAWs and digital recorders on the market, and the development of both proprietary and non-proprietary file formats, has meant that the act of transferring audio between systems has become one of the most complex areas of post production. The lack of complete agreement on universal standards and the rapid development of new formats means there is often not a clear ‘pathway’ along which audio can travel through the production chain.

Compression

A signal can be reduced in size, or compressed, so that it occupies fewer channels and less space, enabling it to be transferred or distributed more easily. Lossless compression techniques ensure that the original signal can be reproduced ...

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