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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 9 of 9 1 Enhancing target speech based on nonlinear soft masking using a single acoustic vector sensor Zou, Yue-Xian; Liu, Zhaoyi; Ritz, Christian H In: Faculty of Engineering and Information Sciences - Papers: Part B (2018) BASE Show details 2 Multizone Soundfield Reproduction With Privacy- and Quality-Based Speech Masking Filters Donley, Jacob; Ritz, Christian H; Kleijn, W In: Faculty of Engineering and Information Sciences - Papers: Part B (2018) BASE Show details 3 Encoding and communicating navigable speech soundfields Zheng, Xiguang; Ritz, Christian H; Xi, Jiangtao In: Faculty of Engineering and Information Sciences - Papers: Part A (2016) BASE Show details 4 An effective target speech enhancement with single acoustic vector sensor based on the speech time-frequency sparsity Zou, Yue-Xian; Wang, Yong; Wang, Peng... In: Faculty of Engineering and Information Sciences - Papers: Part A (2014) BASE Show details 5 Packet loss protection for interactive audio object rendering: A multiple description approach Zheng, Xiguang; Ritz, Christian H In: Faculty of Engineering and Information Sciences - Papers: Part A (2012) BASE Show details 6 Encoding navigable speech sources: an analysis by synthesis approach Zheng, Xiguang; Ritz, Christian H; Xi, Jiangtao In: Faculty of Informatics - Papers (Archive) (2012) Abstract: This paper presents an analysis-by-synthesis coding architecture for compressing navigable speech sources. The proposed coding scheme encodes multiple overlapped speech sources recorded, for example, during a multi-participant meeting or teleconference, into a mono or stereo mixture signal that can be compressed with an existing speech coder. The individual speech sources can be separated from the received compressed mixture, which allows the listener to determine the active sources and their spatial locations at the reproduction site. The approach was applied to the compression of a series of speech soundfields created from multiple clean speech sentences and real meeting recordings, where each sound-field contained four participants with up to three simultaneous speech sources. At a total bit rate of 48 kbps, the perceptual quality of each decoded speech source, as judged by subjective listening tests, was found to be significantly better than either a non-a-by-s approach or separate encoding of each source at the same overall total bit rate. Subjective listening tests also confirm that the quality of the spatialised speech scene is maintained as well. Keyword: analysis; approach; encoding; navigable; Physical Sciences and Mathematics; sources; speech; synthesis URL: https://ro.uow.edu.au/infopapers/2222 BASE Hide details 7 Linear predictive perceptual filtering for acoustic vector sensors: exploiting directional recordings for high quality speech enhancement Shujau, Muawiyath; Ritz, Christian H; Burnett, Ian S In: Faculty of Engineering - Papers (Archive) (2011) BASE Show details 8 A novel voicing cut-off determination for low bit-rate harmonic speech coding Bao, Changchun; Lukasiak, Jason; Ritz, Christian H. In: Faculty of Informatics - Papers (Archive) (2005) BASE Show details 9 Transcoding of Narrowband to Wideband Speech Ritz, Christian H.; Harders, Nick; Hermann, Joseph... In: Faculty of Informatics - Papers (Archive) (2005) BASE Show details

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