Dynamic Resolution Adaptation (DRA) was anaudioencoding specification developed by DigiRise Technology. It had been selected as theChinese national audio coding standard,[1] and declared suitable forChina Multimedia Mobile Broadcasting andDVB-H as addressed in theInternational Journal of Digital Multimedia Broadcasting.
The format was recognised by theCTA EDID Timing Extension Block standard (used by manyA/V interfaces) and theBlu-ray Disc specification, introduced with Blu-ray Disc 2.3.[2] There were no discs released with DRA audio, though there were expected to be such discs for the Chinese market but did not happen.
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