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AES E-Library » Realtime implementations of MPEG-2 and ...
https://www.aes.org/e-lib/online/browse.cfm?elib=9936
MPEG natural audio coders, as MPEG-1/2 Layer III and MPEG-2/4 AAC, require a great amount of calculation, mainly due to the iterative bit allocation processes proposed by the ISO/IEC technical documentation. This complexity makes difficult a real-time …
(PDF) A robust and efficient implementation of MPEG-2/4 ...
https://www.researchgate.net/publication/260489453_A_robust_and_efficient_implementation_of_MPEG-24_AAC_natural_audio_coders
MPEG-2/4 AAC Natural Audio Coders ∗ Alberto D. Due˜ nas 1 , Rafael P´ erez 1 , Bego˜ na Riv as 1 , Enrique Alexandre 2 , Antonio S. Pena 2 1 Pro dys, Legan ´ es, 28914 Madrid, Spain
MPEG-4 natural audio coding - MP3'Tech
http://www.mp3-tech.org/programmer/docs/audio.pdf
the notion of audio objects. This way MPEG-4 natural audio goes well beyond classic speech and audio coding algorithms into a new world which we will see unfold in the coming years. 2. Overview The tools de"ned by MPEG-4 natural audio coding can be combined to di!erent audio coding algorithms. Since no single coding paradigm was
Efficient Implementation of Transform Based Audio Coders ...
http://www.mp3-tech.org/programmer/docs//paper_0007.pdf
MPEG-2 AAC satisfies the ITU-R quality requirements [7] at 320 kbps per five full bandwidth channels. The MPEG-2 AAC scheme is also the kernel of the MPEG-4 audio standard. In this paper, an implementation of a real time MPEG-2 AAC Low Complexity (LC) Profile encoder for multi-channel (up to 5.1 channels) audio is discussed. 2 ADSP 21160 Architecture
MPEG-4 natural audio coding | Request PDF - ResearchGate
https://www.researchgate.net/publication/222518645_MPEG-4_natural_audio_coding
Third-generation MPEG audio coder is an extension of the MPEG-2 standard and is referred to as MPEG-2 Advanced Audio Coder (AAC) [7, 14, 22]. AAC nowadays represents the …
MPEG-4 natural audio coding - ScienceDirect
https://www.sciencedirect.com/science/article/pii/S0923596599000569
MPEG-4 audio represents a new kind of audio coding standard. Unlike its predecessors, MPEG-1 and MPEG-2 high-quality audio coding, and unlike the speech coding standards which have been completed by the ITU-T, it describes not a single or small set of highly efficient compression schemes but a complete toolbox to do everything from low bit-rate …
MPEG4 - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/engineering/mpeg4
The MPEG-2 ACC tool set within the MPEG-4 standard supports the compression of natural audio at bit rates ranging from 2 up to 64 Kbit/s. The MPEG-4 standard defines three types of coders: parametric coding, code-excited linear predictive (CELP) …
(PDF) New implementation techniques of an efficient …
https://www.academia.edu/12520276/New_implementation_techniques_of_an_efficient_MPEG_advanced_audio_coder
Both WhanCha, “New Implementation Techniques of A Real Time MPEG-2 Audio Encoding System”, 0-7803-5041-3/99, 1999 IEEE. results show no significant degradation in the optimized coder [18] A.D.Duenas, R. Perez, B.Rivas, E.Alexandre, A.S.Pena, “Realtime for bit rate of 64kbps and 96 kbps, as overlapping confidence Implementation of MPEG-2 ...
AES Convention Papers Forum » A Robust and Efficient ...
https://secure.aes.org/forum/pubs/conventions/?elib=11390
A Robust and Efficient Implementation of MPEG-2/4 AAC Natural Audio Coders This paper discusses a new DSP based real-time implementation of the MPEG-2/4 AAC standards using a set of non-optimal solutions to reduce the computational load.
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