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DRA Audio Coding Standard | Scientific.Net
https://www.scientific.net/AMM.330.981
DRA Audio Coding Standard | SpringerLink
https://link.springer.com/chapter/10.1007%2F978-1-4419-1754-6_15
This chapter presents DRA (Dynamic Resolution Adaptation) audio coding standard [97] as an example to illustrate how to integrate the technologies described in this book to create a practical audio coding algorithm. DRA algorithm has been approved by the Blu-ray Disc Association as part of its BD-ROM 2.3 specification [99] and by Chinese government as its …
DRA Audio Coding Standard: An Overview | SpringerLink
https://link.springer.com/chapter/10.1007/978-0-387-78263-8_20
MPEG, Coding of moving pictures and associated audio for digital storage media at up to about 1.5 Mbit/s — Part 3: Audio, vol. 11172-3, ISO/IEC, 1992. Google Scholar 9.
DRA Audio Coding Standard | Scientific.Net
https://www.scientific.net/AMM.330.981
Chinas DRA audio coding standard is shown to be a barebone transform coder, utilizing transient-localized MDCT for improved pre-echo suppression and statistic allocation of codebooks for high entropy coding efficiency. A signal path of up to 24 bits is provided throughout the codec so that highest audio quality can be delivered if bit rate suffices.
A 3D Audio Coding technology Based on DRA | IEEE ...
https://ieeexplore.ieee.org/document/8960847
Abstract: DRA (Digital Rise Audio) is referred to specification for multi-channel digital audio coding technology which was issued as a Chinese national standard in 2008. A novel 3D audio coding algorithm based on DRA is presented in the paper with a significant improvement on the coding efficiency of DRA by BWE (BandWidth Extension), MCR (Maximal Coherence …
The Novel Improving Algorithms on DRA Audio Entropy …
https://ieeexplore.ieee.org/document/9259450/
Abstract: DRA (Digital Rise Audio) is referred to as specification for multi-channel digital audio coding technology which was issued as a Chinese national standard in 2008. There novel algorithms which are the differential Huffman, context-based Huffman and context-based arithmetic entropy coding, respectively, are presented to improve the compression efficiency …
Dynamic Resolution Adaptation - Wikipedia
https://en.wikipedia.org/wiki/Dynamic_Resolution_Adaptation
Dynamic Resolution Adaptation (DRA) is an audio encoding specification developed by DigiRise Technology. It has been selected as the Chinese national audio coding standard [1] and also suitable for China Multimedia Mobile Broadcasting and DVB-H as extensively addressed in the International Journal of Digital Multimedia Broadcasting .
Audio Coding: Theory and Applications - Yuli You - Google ...
https://books.google.com/books/about/Audio_Coding.html?id=fDhb_MzPhFIC
Audio Coding: Theory and Applications provides succinct coverage of audio coding technologies that are widely used in modern audio coding standards. Delivered from the perspective of an engineer, this book articulates how signal processing is used in the context of audio coding. It presents a detailed treatment of contemporary audio coding technologies and …
DesignWare ARC DRA Decoder | Synopsys
https://www.synopsys.com/dw/ipdir.php?ds=arc_audio_dra_decoder
The Dynamic Resolution Adaptation (DRA) decoder supports the Chinese National HD audio standard that is included in the Blu-ray Disc™ specification, and is the first optimized implementation available for an audio IP solution. With full support for the Chinese Mobile Multimedia Broadcast (CMMB) coding format, the DesignWare Sound DRA decoder provides a …
Audio Coding: Theory and Applications: You, Yuli ...
https://www.amazon.com/Audio-Coding-Applications-Yuli-You/dp/1441917535
It presents a detailed treatment of contemporary audio coding technologies and then uses the DRA audio coding standard as a practical example to illustrate how numerous technologies are integrated into a fully-fledged audio coding algorithm. Drawing upon years of practical experience and using numerous examples and illustrations Dr. Yuli You ...
AUDIO CODING STANDARDS - MP3
http://www.mp3-tech.org/programmer/docs/AudioCoding.pdf
16, 22.05, and 24 kHz. Two coding standards within MPEG-2 are defined: the BC (Backward Compatible) standard preserves the backward compatibility with MPEG-1, and the AAC (Advanced Audio Coding) standard does not. 2.2.1 MPEG-2 BC Regarding syntax and semantics, the differences between MPEG-1 and MPEG-2 BC are
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