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Improved Lossless Transform Coding of Audio Signals
Citation key 0851Liebchen1999
Author Tilman Liebchen and Marcus Purat and Peter Noll
Pages 159–170
Year 1999
Journal Impulse und Antworten - Festschrift für Manfred Krause
Abstract Recent papers have proposed linear prediction as a useful method for lossless audio coding. Transform coding, however, has hardly been investigated, although it seems to be more suited for the harmonic structure of most audio signals. In this paper we present some results on lossless transform coding of CD-quality audio data. One main aspect lies on a convenient quantization method to guarantee perfect reconstruction. We achieve bit rates which are lower than those obtained by lossless linear prediction schemes.
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