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- W1550114956 abstract "Twoto three-channel audio upmix can be useful in a number of contexts. Adding a front center loudspeaker provides a more stable center image and an increase in dialogue clarity. Even in the absence of a physical center speaker, the ability to derive a center channel can facilitate speech enhancement by making it possible to boost or filter the dialogue, which is usually panned to the center. Twoto three-channel upmix can also be a first step in upmixing from two to five channels. We propose a frequency-domain upmix process using a vector-based signal decomposition, including methods for improving the selectivity of the center channel extraction. A geometric interpretation of the algorithm is provided. Unlike most existing frequency-domain upmix methods, the current algorithm does not perform an explicit primary/ambient decomposition. This reduces the complexity and improves the quality of the center channel derivation." @default.
- W1550114956 created "2016-06-24" @default.
- W1550114956 creator A5001528798 @default.
- W1550114956 date "2009-10-01" @default.
- W1550114956 modified "2023-09-23" @default.
- W1550114956 title "Frequency-Domain Two- To Three-Channel Upmix for Center Channel Derivation and Speech Enhancement" @default.
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