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A Design of Lossless Compression for High Quality Audio Signals
Citation key 0790Moriya2004
Author T. Moriya and D. Yang and Tilman Liebchen
Title of Book 18th International Congress on Acoustics
Year 2004
Address Kyoto
Month apr
Note T. Moriya: NTT Cyber Space Labs; D. Yang: University of Southern California
Abstract Three extension tools for extending and enhancing the compression performance of prediction-based lossless audio coding are proposed. The first extension aims at supporting floatingpoint data input in addition to integer PCM data. The second is progressive-order prediction of the starting samples at each random-access frame, where the information on previous frame is not available. The third is inter-channel joint coding. Both predictive coefficients and prediction-error signals are efficiently coded making use of the inter-channel correlation. These new prediction tools will contribute to enhance the for the coming MPEG-4 Audio Lossless Coding (ALS) scheme, currently being under development as an extension of the ISO/IEC MPEG-4 audio standard
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