Dynamic Speech ModelsTheory, Algorithms, and Applications phần 8 ppt

... P2: IML MOBK024-05 MOBK024-LiDeng.cls April 26, 2006 14:3 80 DYNAMIC SPEECH MODELS 2 3 4 5 6 7 8 9 10 200 400 600 80 0 1000 1200 1400 1600 180 0 2000 /ε/ Speaking rate (inverse of duration in s) Predicted ... 26, 2006 14:3 MODELS WITH CONTINUOUS-VALUED HIDDEN SPEECH TRAJECTORIES 81 40 50 60 70 80 90 100 110 120 200 400 600 80 0 1000 1200 1400 1600 180 0 2000 /ε/ Data Speaker...

Ngày tải lên: 06/08/2014, 00:21

... function of the resonance frequency and bandwidth (n = 1 and f s = 80 00 Hz) reducethepeakcepstralvaluesonlyfrom1. 984 4to1.46 08( computedby2 exp(−20π /80 00 )and 2 exp( 80 0π /80 00),respectively). Thecorresponding ... cepstrum is from 0. 984 4 to 0.5335 (computed by exp(−2 × 20π /80 00) and exp(−2 × 80 0π /80 00), respectively). In general, the exponential decay of the cepstral va...

Ngày tải lên: 06/08/2014, 00:21

... 2006 17:39 98 DYNAMIC SPEECH MODELS [46] J. Frankel and S. King. “ASR—Articulatory speech recognition,”Proc.Eurospeech, Vol. 1, 2001, pp 599–602. [47] T. Kaburagi and M. Honda. Dynamic articulatory ... 83 7 84 0. [ 98] K. Tokuda, H. Zen, and T. Kitamura. “Trajectory modeling based on HMMs with the explicit relationship between static and dynamic features,” Proc. Eurospeech...

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 SYNTHESI...

Ngày tải lên: 06/08/2014, 00:21

... May 24, 2006 8: 6 8 DYNAMIC SPEECH MODELS construct, articulatory targets, articulatory dynamics, acoustic dynamics, and acoustic distor- tions. For each ofthese components, relevant speechscience ... 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?...

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

... 12:56 28 DYNAMIC SPEECH MODELS of linear-model parameters are used. This gives rise to the mixture of linear dynamic model as extensively studied in [84 ,85 ]. This piecewise linearized dynamic speech ... (e.g., [24,42, 48, 49, 84 ,85 ,107–112]); • model with abstract dynamics (e.g., [42,44,107,113]). The VTR dynamics are a special type of task dynamics, with the acoustic goal or...

Ngày tải lên: 06/08/2014, 00:21

... 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 phonological states and ... Discrete-Valued Hidden Speech Dynamics In this chapter, we focus on a special type of hidden dynamic models where the hidden dynamics arerecursively defined and where these hidden...

Ngày tải lên: 06/08/2014, 00:21

... hidden dynamics are defined as an explicit function of time instead of by recursion. Other types of approximation developed for the recursively defined dynamics can be found in [84 ,85 ,121–123] and ... 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 and appro...

Ngày tải lên: 06/08/2014, 00:21

... 14:3 88 DYNAMIC SPEECH MODELS approximate closed-form estimate of ˆ σ 2 r s ≈  K k=1  (o(k) − ¯ μ o s ) 2 − q(k)  K . (5. 28) 2. Direct gradient ascent: Make no assumption of the above, and ... recognition and machine learning approaches, the dynamic speech models, as they become better developed, will form a foundation for the next-generation speech technology serving the...

Ngày tải lên: 06/08/2014, 00:21