Dynamic Speech ModelsTheory, Algorithms, and Applications phần 10 ppt

... over 200 technical papers and book chapters, and is inventor and co-inventor of numerous U.S. and international patents. He co-authored the book Speech Processing—A Dynamicand Optimization-OrientedApproach”(2003, ... Richards, and M. Schuster. “Initial evaluation of hidden dynamic models on conversational speech, ” IEEE Proc. ICASSP, Vol. 1, 1999, pp 109 –112. [108 ] R. Togner...

Ngày tải lên: 06/08/2014, 00:21

... WITH DISCRETE-VALUED HIDDEN SPEECH DYNAMICS 51 where i t , i t−1 , and i t−2 denote the discretization indices of the hidden dynamic variables at time frames t, t − 1, and t − 2, respectively. 4.2.3 ... since the VTR bandwidths are known to be highly variable with respect to the acoustic environment [120], and to be less correlated with the phonetic content of speech and with hu...

Ngày tải lên: 06/08/2014, 00:21

... CONTINUOUS-VALUED HIDDEN SPEECH TRAJECTORIES 77 0 500 100 0 1500 2000 2500 γ = [0.85], D =100 0 500 100 0 1500 2000 2500 (b) (a) γ = [0.75] 0 20 40 60 80 100 120 0 500 100 0 1500 2000 2500 (c) ... Eq. (5 .10) is σ 2 z(k) ( f ) = L  l=1 v k (l)σ 2 T (l, f ). (5.11) In Eqs. (5.8) and (5 .10) , a k and v k are frame (k)-dependent vectors. They are constructed for any given phone se...

Ngày tải lên: 06/08/2014, 00:21

... MOBK024-LiDeng.cls May 24, 2006 8:16 Dynamic Speech Models Theory, Algorithms, and Applications i P1: IML/FFX P2: IML MOBK024-FM MOBK024-LiDeng.cls May 24, 2006 8:16 iv ABSTRACT Speech dynamics refer to the ... MOBK024-LiDeng.cls May 24, 2006 8:16 Dynamic Speech Models Theory, Algorithms, and Applications Li Deng Microsoft Research Redmond, Washington, USA SYNTHESIS LECT...

Ngày tải lên: 06/08/2014, 00:21

... subject of dynamic speech modeling a much more comprehensive and rigorous treatment from both scientific and technological perspectives. 1.2 WHAT ARE MODELS OF SPEECH DYNAMICS? As discussed above, the speech ... do we put the dynamic process of speech into a quantitative form to enable detailedanalyses? How can weincorporate the knowledge ofspeech dynamics intocomputerized spe...

Ngày tải lên: 06/08/2014, 00:21

... phonology, target process, and articulatory dynamics P1: IML/FFX P2: IML MOBK024-02 MOBK024-LiDeng.cls May 30, 2006 12:56 20 DYNAMIC SPEECH MODELS 2.3.3 Articulatory Dynamic Model Due to the difficulty ... of the target random vector t for artificially lengthened speech utterances. For natural speech, and P1: IML/FFX P2: IML MOBK024-02 MOBK024-LiDeng.cls May 30, 2006 12:56 A GENERA...

Ngày tải lên: 06/08/2014, 00:21

... hidden dynamic models can be broadly classified into • articulatory dynamic model (e.g., [46,54,58,59,78,79 ,103 ,104 ]); • task -dynamic model (e.g., [105 ,106 ]); • vocal tract resonance (VTR) dynamic ... acoustic dynamic models, the hidden dynamic models representspeech structure by the hidden dynamic variables. Depending on the nature of these dynamic variables in light of m...

Ngày tải lên: 06/08/2014, 00:21

... synthesizing and expanding the earlier descriptions of this work in [109 ,115,116]. 3.4 SUMMARY This chapter serves as a bridge between the general modeling and computational framework for speech dynamics ... of dynamic speech modeling confined within the acoustic stage to the more realistic view of multistage speech dynamics with an intermediate hidden dynamic layer between the...

Ngày tải lên: 06/08/2014, 00:21

... book. This chapter extracts, reorganizes, and expands the materials published in [109 ,115,116, 124], fitting these materials into the general theme of dynamic speech modeling in this book. 5.1 OVERVIEW ... initially from a simpler speech model set such as the HMMs and then be further refined after the dynamic model is learned iteratively. We will describe this new implementation a...

Ngày tải lên: 06/08/2014, 00:21

... HIDDEN SPEECH TRAJECTORIES 85 0 50 100 150 200 250 300 350 0 50 100 150 200 250 300 350 0 50 100 150 200 250 300 350 −1 0 1 −0.5 0 0.5 −2 −1 0 1 2 Frame (10 ms) C1 C2 C3 FIGURE 5 .10: Linear ... HIDDEN SPEECH TRAJECTORIES 87 0 50 100 150 200 250 −1 −0.5 0 0.5 0 50 100 150 200 250 −0.5 0 0.5 0 50 100 150 200 250 −2 −1 0 1 2 Frame (10 ms) C1 C2 C3 FIGURE 5.12: Same as Fig. 5...

Ngày tải lên: 06/08/2014, 00:21