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Ravelli et al., 2009 - Google Patents

A perceptually enhanced scalable-to-lossless audio coding scheme and a trellis-based approach for its optimization

Ravelli et al., 2009

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Document ID
16712724764164154514
Author
Ravelli E
Melkote V
Rose K
Publication year
Publication venue
2009 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics

External Links

Snippet

Scalable-to-lossless (SLS) audio compression, as standardized by MPEG, provides a lossy base layer compatible with the advanced audio coding (AAC) format, ensuring state-of-the- art quality in the base layer, and additional fine grained enhancements that eventually …
Continue reading at scl.ece.ucsb.edu (PDF) (other versions)

Classifications

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    • G10L19/0204—Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signal, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
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    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
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    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring

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