Advances in Nonlinear Speech Processing: International by Christophe d’Alessandro, Baris Bozkurt, Boris Doval, Thierry

By Christophe d’Alessandro, Baris Bozkurt, Boris Doval, Thierry Dutoit, Nathalie Henrich (auth.), Mohamed Chetouani, Amir Hussain, Bruno Gas, Maurice Milgram, Jean-Luc Zarader (eds.)

This ebook constitutes the completely refereed postproceedings of the foreign convention on Non-Linear Speech Processing, NOLISP 2007, held in Paris, France, in may well 2007.

The 24 revised complete papers offered have been conscientiously reviewed and chosen from a variety of submissions for inclusion within the publication. The papers are prepared in topical sections on nonlinear and nonconventional options, speech synthesis, speaker acceptance, speech popularity, speech research, and exploitation of non-linear techniques.

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Extra resources for Advances in Nonlinear Speech Processing: International Conference on Non-Linear Speech Processing, NOLISP 2007 Paris, France, May 22-25, 2007 Revised Selected Papers

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Am. 112(2), 701–710 (2002) 3. : Short-time phase spectrum in speech processing: A review and some experimental results. Digital Signal Processing 17, 578–616 (2007) 4. : Improved differential phase spectrum processing for formant tracking. In: Interspeech 2004-ICSLP. 8th International Conference on Spoken Language Processing, Jeju Island, Korea, October 4-8, 2004, 4 pages (2004) 5. : Appropriate windowing for group delay analysis and roots of z-transform of speech signals. In: EUSIPCO 2004. 12th European Signal Processing Conference, EURASIP, Vienna, Austria, September 6-10, 2004, 4 pages (2004) 26 C.

Each keypoint is also defined regarding three other data: its spatial location, its scale and its orientation. 3). Global features. Local methods require a precise localization of particular points within the region of interest. Depending on illumination, occlusions, such a localization may not be easily obtained. Global methods then allow to overcome this drawback. 2). Their extraction is illustrated in figure 4. Only the 28 coefficients corresponding to the low spatial frequency are kept, as shown in figure 5.

2 Managing Sampling Rates and Alignement Two issues arise when first comparing an audio stream with a visual one: the difference in sampling rates and the alignement. Concerning sample rates, any easy solution to recover a common sampling rate is to choose for a reference which may be the audio rate or the visual one. In the first case, the visual signal must be over sampled. 3). Another problem is alignement. Audio and visual streams may not be synchronised at a particular time due to co-articulation effects and articulator inertia.

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