Dynamic Resolution Adaptation (DRA) is an
audio
Audio most commonly refers to sound, as it is transmitted in signal form. It may also refer to:
Sound
* Audio signal, an electrical representation of sound
*Audio frequency, a frequency in the audio spectrum
* Digital audio, representation of sou ...
encoding specification developed by DigiRise Technology. It has been selected as the Chinese national audio coding standard and also suitable for
China Multimedia Mobile Broadcasting and
DVB-H as extensively addressed in the
International Journal of Digital Multimedia Broadcasting
The ''International Journal of Digital Multimedia Broadcasting'' is a peer-reviewed scientific journal covering all aspects of digital broadcasting technology. It was established in 2007 by Fa-Long Luo, who served as founding editor-in-chief unti ...
.
It is one of the standard formats for
Blu-ray Disc audio, introduced with Blu-ray Disc 2.3.
There are no discs as yet released with DRA audio, though there are expected to be such discs for the Chinese market.
References
External links
* Yu-Li You and Wenhua Ma,
DRA Audio Coding Standard: An Overview. Fa-Long Luo (ed.), ''Mobile Multimedia Broadcasting Standards'', Springer US, 2009. (Print), (Online).
Audio codecs
Blu-ray Disc
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