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- W2014769722 abstract "The present paper exposes a new technique that aims at solving an ill-posed source separation problem encountered in stereo mixtures. The proposed method is realized in an encoder-decoder framework: On the encoder side, a set of spectral envelopes is extracted from the original tracks, which are known. These envelopes are passed on to the decoder in attachment to the stereo mixture, whereas the frequency resolution of the former is adapted to the critical bands, and their magnitude is logarithmically quantized. On the decoder side, the mixture signal is decomposed by time-frequency selective iterative spatial filtering guided by a source activity index, which is derived from the spectral envelope values. A comparison with a similar algorithm reveals that the novel approach yields a higher perceptual audio quality at a much lower data rate." @default.
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- W2014769722 date "2011-10-01" @default.
- W2014769722 modified "2023-10-10" @default.
- W2014769722 title "Informed source separation: Underdetermined source signal recovery from an instantaneous stereo mixture" @default.
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- W2014769722 doi "https://doi.org/10.1109/aspaa.2011.6082312" @default.
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