Acoustic neurome
Báo cáo khoa học: "A Nonparametric Bayesian Approach to Acoustic Model Discovery" docx
... learned sub-word models to guide its hypotheses on phone boundaries Bayesian Model for Segmentation Our model is inspired by previous applications of nonparametric Bayesian models to segmentation ... used to represent 41 acoustic units Instead of discovering repetitive patterns first, our model is able to learn from any given data Unsupervised Speech Segmentation One goal of our model is to ... Segmentation: To find the phonetic boundaries within each utterance • Nonparametric clustering: To find a proper set of clusters and group acoustically similar segments into the same cluster • Sub-word modeling:...
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Báo cáo khoa học: "Unsupervised Learning of Acoustic Sub-word Units" pot
... different learning setups are tabulated We also see how as little as minutes of speech is adequate for learning the acoustic units An Improved and Fast SSS Algorithm The improvement of the SSS ... and with different amounts of speech used to learn the HMM labeler and the label-to-phone transducer Unsupervised Learning of Sub-word Units We used about 30 minutes of phonetically transcribed ... that the original application of SSS was for learning 166 Figure 1: Modified four-way split of a state s For each HMM state s, compute the gain in loglikelihood (LL) of the speech by either a contextual...
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Báo cáo khoa học: "Combining Acoustic and Pragmatic Features to Predict Recognition Performance in Spoken Dialogue Systems" pdf
... such tuning Future work points in two directions: first, integrating our methodology into working ISU-based dialogue systems and determining whether or not they improve in terms of standard dialogue ... interesting to investigate the impact of different dialogue and task features for classification and to introduce a distinction between “generic” features that are domain independent and “application-specific” ... Trindi Project Marilyn Walker, Jerry Wright, and Irene Langkilde 2000 Using Natural Language Processing and Discourse Features to Identify Understanding Errors in a Spoken Dialogue System In...
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Báo cáo khoa học: "Making Sense of Sound: Unsupervised Topic Segmentation over Acoustic Input" docx
... Construction of Acoustic Comparison Matrix The goal of this step is to construct an acoustic comparison matrix that will guide topic segmentation This matrix encodes variations in the distribution of acoustic ... AUDIO versus Pk measurements of 0.378 for SI) Analysis of Audio-based Segmentation A central challenge in audio-based segmentation is how to overcome the noise inherent in acoustic matching We addressed ... inherent in acoustic matching Third, we partition the matrix to identify segments with a homogeneous distribution of acoustic patterns (Section 3.3) 3.1 Comparing Acoustic Patterns Given a raw acoustic...
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Báo cáo " The dependence of the parametric transformation coefficient of acoustic and optical phonons in doped superlattices on concentration of impurities" pot
... transformation coefficient on concentration of impurities when concentration of impurities nD tend toward zero, value of the parametric transformation coefficient of acoustic and optical phonons in doped superlattices ... of acoustic and optical phonons in doped superlattices depends non-linearly on concentration of impurities nD Especially, when concentration of impurities nD tend toward zero, value of the parametric ... [6-9] In order to improve the PRT theoretics for low-dimensional semiconductors, we, in the paper, examine dependence of the parametric transformation coefficient of acoustic and optical phonons in...
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POWER PLANT ACOUSTIC SAPPROVED docx
... Air Force, and Navy USA, Technical Manual TM 5–805–9/AFM 88-20/NAVFAC DM–3.14, Power Plant Acoustics.” POWER PLANT ACOUSTICS TABLE OF CONTENTS Paragraph C HAPTER Page SCOPE OF MANUAL Purpose and ... Application of criteria to power plant noise Each of the above three criteria evaluations should be applied to plants with engine installations, and the total design of each plant or engine installation ... (5) On-base housing Power plant noise shall not exceed NC–25 levels indoors at the base housing located about 1200 ft to the east of the plant, when all exterior doors of the plant are closed c...
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Báo cáo khoa học: Acoustic microfluidic chip technology to facilitate automation of phage display selection doc
... based on microfluidics and ultrasound-based focusing of particles (Fig 1B–E), for the efficient enrichment of phages displaying specific Fig Acoustic microfluidic chip technology in phage display ... sound wave allowed for acoustic force manipulation of cells and particles in Acoustic microfluidic chip for phage selection microfluidic networks [37] Advanced acoustic microchip particle separation ... Acoustic microfluidic chip for phage selection J Persson et al with a high utility for the very same purpose as the development of polyclonal or monoclonal antibodies Many features of phage display...
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Báo cáo khoa học: "Dialect Classification for online podcasts fusing Acoustic and Language based Structural and Semantic Information" pot
... Table shows the performance of acoustic based dialect classification which is as good as the language based dialect classification, but it is noted that performance is poor for UK classification ... classifiers are used for acoustic modeling, while for language modeling, we use a combination of n-gram language modes and LSA classifiers In the final phase, we combine the acoustic and language classifiers ... developed a dialect classification (DC) algorithm that addresses family branch DC for English (US, UK, AU), by combining GMM based acoustic, and text based N-gram LM and LSA language information In...
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Solutions to the Acoustic Wave Acoustic Wave Equation
... Plane Wave: Dispersion relationship, freq., wavelength, wavenumber, slowness, apparent velocity, apparent wavelength Spherical Wave Green’s function, asymptotic Green’s function Energy of an Acoustic ... Outline Plane Wave: Dispersion relationship, freq., wavelength, wavenumber, slowness, apparent velocity, apparent wavelength Spherical Wave Green’s function, asymptotic Green’s function ... Ripples: P = Acos(kx) Wavenumber k=2pi/ Wavelength x Plane Wave Solution Faster Velocities = Stiffer Rocks κ ; c = ρ P = P c Phase=O (1) i(kx-wt) (2) P = Ae dO dt Plug (2) into (1) 2 wavenumber (k -...
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acoustic phonon scattering in bi2te3 sb2te3 superlattices
... thickness is increased Therefore, there is much stronger scattering in Bi2Te3 / Sb2Te3 SLs compared to the bulk Bi2Te3 films Similar enhanced scattering of optical phonons in Bi2Te3 / Sb2Te3 SLs ... conductivity in the Bi2Te3 / Sb2Te3 SL are 0.48 W/mK in SL1/1, 0.23 W/mK in the SL2/2, and 0.25 W/mK in the SL1/5 films.8 Therefore, it appears that acoustic phonon scattering plays a dominant role in thermal ... with different periods In summary, we conducted ultrafast time-resolved coherent acoustic phonon measurements in Bi2Te3 / Sb2Te3 SL films Scattering of long-wavelength acoustic phonons was We would...
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Auld BA acoustic fields and waves in solids vol1
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Atmospheric Acoustic Remote Sensing - Chapter 1 ppt
... 34(7): 10 01 10 27 Singal SP (19 97) Acoustic remote- sensing applications Springer-Verlag, Berlin, 405 pp © 2008 by Taylor & Francis Group, LLC 3588_C0 01. indd 10 11 /20/07 5 :17 :38 PM Atmospheric Acoustic ... Combinations 10 5 5 .1. 1 Speakers and Microphones 10 5 5 .1. 2 Horns 10 8 5 .1. 3 Phased-Array Frequency Range 10 9 5 .1. 4 Dish Design 11 0 5 .1. 5 Designing for ... Group, LLC 3588_C0 01. indd 11 /20/07 5 :16 :43 PM 1. 5 Atmospheric Acoustic Remote Sensing WHY USE ACOUSTICS? Turbulence transports heat from higher-temperature regions to lower-temperature regions...
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Atmospheric Acoustic Remote Sensing - Chapter 2 potx
... 10–4 60 2. 5 × 10 2 6.0 × 10–4 67 2. 2 × 10 2 5.0 × 10–4 81 2. 1 × 10 2 4.0 × 10–4 95 2. 0 × 10 2 3.0 × 10–4 2. 1 × 10 2 2 .21 × 10–4 137 2. 2 × 10 2 1.51 × 10–4 193 1.9 × 10 2 8.0 × 10–5 24 2 2 5.0 ... 3.9 u2 z2 /3 z L 0.85 /3 , CT 4.9 T2 z2 /3 7.0 z L Wilson and Ostashev (20 00) TABLE 2. 1 2 Profiles of C T and CV from Moulsley et al (1981) z (m) CV (m4/3 s 2) CT (K2 m 2/ 3) 46 3.1 × 10 2 6.31 ... stable atmosphere (solid line) © 20 08 by Taylor & Francis Group, LLC 22 Atmospheric Acoustic Remote Sensing ln m ln m z z0 z z0 ln z L for z L 2 for 0, z L 0, (2. 25) where H / c pu and is effectively...
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Atmospheric Acoustic Remote Sensing - Chapter 3 ppt
... (3. 48) s k1 /3 220 /3 k cos2 11 /3 cos2 11 /3 sin 0. 033 0. 033 CT T2 CT T2 0.76 cos2 0.76 cos2 CV c2 CV c2 (3. 49) © 2008 by Taylor & Francis Group, LLC 35 88_C0 03. indd 49 11/20/07 4 :39 : 23 PM 50 Atmospheric ... wavelength e k1 /3 211 /3 k1 /3 C2 0. 033 T 11 /3 T2 2 (1 ) 8 /3 / L0 0. 033 CT T2 0.76(1 2 ) CV d c2 is much smaller than L , so small µ terms dominate, and 0.76 CV c2 8 /3 d / L0 2 /3 11 /3 k L5 /3 0. 033 CT T2 ... which n = M+q in (3. 13) where q lies between −M/2 and M/2 From (3. 13) © 2008 by Taylor & Francis Group, LLC 35 88_C0 03. indd 31 11/20/07 4 :37 :42 PM 32 Atmospheric Acoustic Remote Sensing M pm e j...
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