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Long-Distance Uncompressed Audio Transmission Over IP for Postproduction

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The highly distributed nature of contemporary cinema post-production has led many to believe that high-speed networking of uncompressed audio could significantly improve workflow efficiency. This paper will provide an overview of several significant issues with long-distance networking, including synchronization, latency, bandwidth limitations, and control protocols. We will present a recent networked post-production demonstration, in which audio assets in Seattle, San Francisco, and San Diego along with local video assets were streamed to and controlled from a single DAW. These results are expected to lead to persistent wide-area networked post-production environments to remotely access and control audiovisual assets.

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AES - Audio Engineering Society