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High-Definition Coding

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This is an old revision of this page, as edited by Theaveng (talk | contribs) at 22:29, 26 September 2007 (Not just HDC. It's HDC with SBR, and most-resembles HE-AAC SBR ( to extend audio range from 10,000 kilohertz to 18,000 kilohertz.)). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

HDC (High Definition Coding) with SBR (spectral band replication) is a proprietary lossy audio compression codec developed by iBiquity for use with HD Radio. It replaced the earlier PAC codec in 2003. It is thought to be a modified form of MPEG-4 HE-AAC.


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