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AES-X180 Initiation
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[page updated 2007-11-16]
This project was proposed by Robin Caine, vice chair of SC-02 through working group SC-02-02. It was approved under our rules by Subcommittee SC-02 and assigned to the working group SC-02-02 on digital input/output interfaces.
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TITLE
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AES-X180, Amendment 5 to AES3, extensions to status data
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SCOPE
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This amendment adds a flag to indicate hidden data within a PCM signal, provides indications for two additional sampling frequencies, and clarifies the use of certain status bits when the signal is non-PCM.
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OUTPUT INTENT
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Amendment to standard
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RATIONALE
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Recent projects to support carriage of MPEG Surround data in an AES3 bitstream, as well as questions arising when considering non-PCM data in an AES3 signal, require some detailed changes to the AES3 specification.
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WHO BENEFITS?
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Advanced implementors and users of AES3 interfaces.
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WHY AES?
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The Audio Engineering Society is reponsible for controlling, maintaining and updating AES standards.
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(C) 2008, Audio Engineering Society, Inc.
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