constrained speech system using woz

... human-like speech from raw text becomes crucial A Text-To -Speech system (TTS) is a computer-based system that automatically converts text into artificial human speech [1] Note that TTS systems are ... three systems: No postfilter is the speech synthesis system without postfiltering, Original Postfilter is the system with the postfilter originated from HTS, and Parallel Postfilter is the system ... configurable text-to -speech system for embedded devices,” in Multilingual Speech and Language Processing, 2006 [26] Z.-Z Wu, E S Chng, and H Li, “Development of hmm-based malay text-to -speech system, ” in

Ngày tải lên: 11/01/2020, 00:40

... factors 4.1 The OFDM system Parameter 79 4.2 The OFDM systems performance based on BPSK Modulation 81 4.3 The OFDM systems performance based on QPSK Modulation 83 4.4 The OFDM systems performance ... DBPSK Modulation 85 4.5 The OFDM systems performance based on DQPSK Modulation 87 4.6 The OFDM systems performance based on 16-QAM Modulation 90 4.7 The COFDM system Parameter 95 ... Modulation (TCM) 45 2.13 Viterbi Algorithm 50 CHAPTER III CHANNEL ESTIMATION USING PILOT SIGNAL 3.1 Introduction 52 3.2 OFDM system 53 3.3 Pilot Sample Arrangment 54 3.4 Alnuaimy-Mahamod Interpolation

Ngày tải lên: 26/05/2013, 21:28

... hydroelectric system means that operation of any plant has an effect on water levels and storage at other plants in the system Hydro-logically efficient operation of power plants in such cascaded system ... power systems”, International journal of electrical power and energy systems, vol 27, no.2, 2005, pp.147-153 [12] Huang Jier Shyh, “ Enhancement of Hydroelectric Generation scheduling using Ant ... J., “Short term hydro scheduling using ANN”, IEEE Transactions on Power Systems, vol 15, no 1, Feb 2000 [16] Naresh R., Sharma J.,” Short term hydro scheduling using Two phase neural network”,

Ngày tải lên: 05/09/2013, 15:28

... performance and thermal characteristics of the system Description of the multi-stage evacuated solar desalination system The Multi-stage evacuated solar desalination system is a combination of evaporative-condenser ... mathematical model was developed for the multi-stage evacuated solar desalination system to achieve the optimum system configuration for the maximum year round performance and distillate yield ... evaluation of the novel solar desalination system for higher performance is done by [16] The advantage of multi-stage evacuated solar desalination system coupled with flat plate collector was

Ngày tải lên: 05/09/2013, 16:11

... collection of prosody rules in an experimental text-to -speech system Two important features characterize our system First the input to our prosody system is a parse tree generated by a version of ... factor in the determination of prosodic phrasing TEXT-TO -SPEECH Most text-to -speech systems comprise two components: pronunciation rules and a speech synthesizer Pronunciation rules convert the input ... prosody system we are able to produce strings in which four b o u n d a r y levels are identified a n d p e r c e p t u a l l y distinguished, using the c u r r e n t text- to -speech system annotations

Ngày tải lên: 24/03/2014, 02:20

... recognition system using Spell checker /voting module The new recognition system using Spell checker /voting module (internal dictionary) The spellchecker module makes the system recognizes ... classifier like handwriting recognition systems is still a big challenge to scientists. In my last article named “Library for online handwriting recognition system using UNIPEN database”, I presented ... transferred to the next network until the system can recognize it correctly. Figure 3: Convolution neural network with unknown output Figure 4: Recognition System using multi neural networks This

Ngày tải lên: 28/04/2014, 10:11

... networks can benefit a large vocabulary, speaker independent, continuous speech recognition system. Currently, most speech recognition systems are based on hidden Markov models (HMMs), a statistical framework ... purpose speech recognition system, and that neural networks offer some clear advantages over conventional techniques 1.1 Speech Recognition What is the current state of the art in speech ... analysis converts raw speech to speech frames 1 Assuming benign conditions Of course, each technique has its own advocates 2.1 Fundamentals of Speech Recognition • Speech frames The result

Ngày tải lên: 28/04/2014, 10:18

... for speech signals using information theory: A comparison study Fei Wen * and Qun Wan Abstract Time delay estimation (TDE) is a fundamental subsystem for a speaker localization and tracking system. ... camera to turn toward them; in speech enhancement [3,4] using a steerable micro- phone array, the speaker location is required for noise cancellation. TDE for speech signa ls in adverse acoustic ... conduct experiments for speech sig- nals to evaluate the estimators using both simulated and real impulse responses in reverberant room environ- ments. A real female speech signal is convolved

Ngày tải lên: 21/06/2014, 01:20

... Camera array systems can capture multiview images of a 3D scene, which allow a viewer to observe the scene from arbitrary viewpoints by using image-based rendering tech- niques [1, 2]. Such systems ... Only using base-key 30 32 34 36 38 40 42 Average PSNR of synthesized images (dB) (b) City, using lossless base-key images Figure 10: Rate-distortion curves for the City image set, obtained using ... Only using base-key 32 34 36 38 40 42 44 Average PSNR of synthesized images (dB) (b) Santa, using lossless base-key images Figure 11: Rate-distortion curves for the Santa image set, obtained using

Ngày tải lên: 22/06/2014, 00:20

... speaker 1 (clean speech) Female speaker 2 (clean speech) Female speaker 3 (clean speech) Male speaker 1 (clean speech) Male speaker 2 (clean speech) Male speaker 3 (clean speech) Female speaker... ... speech from narrowband speech, ” IEEE Transactions on Speech and Audio Processing, vol 2, no 4, pp 544–548, 1994 [25] S Yao and C F Chan, “Block-based bandwidth extension of narrowband speech ... broadband speech from narrowband speech using piecewise linear mapping,” in Proceedings of the 5th European Conference on Speech Communication and Technology (EUROSPEECH ’97), vol 3, pp 1643–1646,

Ngày tải lên: 22/06/2014, 19:20

... Corporation EURASIP Journal on Embedded Systems Volume 2007, Article ID 82174, 12 pages doi:10.1155/2007/82174 Research Article Embedded Vehicle Speed Estimation System Using an Asynchronous Temporal ... information on the sensor focal plane allows for using a low-cost low-power DSP for data post processing, limiting system size, cost, and price The proposed system features vehicle detection and counting ... establishing the final system output is presented DESCRIPTION OF THE EMBEDDED SYSTEM In this section, the temporal contrast vision sensor and the embedded traffic monitoring system that has been

Ngày tải lên: 22/06/2014, 22:20

... increasing level of interest in developing the technology to geolocate using DSSS/OFDM based wireless LAN systems [6]. Position loca- tion system based on w ireless LAN is more accurate within the service ... position location technique using the transmitter identification (TxID) RF watermark in the digital TV (DTV) signals is proposed in this paper. Conventional global positioning system (GPS) usually does ... simulations and compared with other existing position location systems. Possible ways to improve the accuracy of the new position location system is discussed. Copyright © 2006 Xianbin Wang et al.

Ngày tải lên: 22/06/2014, 23:20

... signals using only observed mix- tures. The BSS of audio signals has a wide range of appli- cations including speech enhancement [3] for speech recog- nition, hands-free telecommunication systems, ... 2001 [10] S C Douglas and X Sun, “Convolutive blind separation of speech mixtures using the natural gradient,” Speech Communication, vol... for convolutive blind source separation, ... acoustic signals, ”... Transactions on Speech and Audio Processing, vol 11, no 3, pp 204–215, 2003 M Iwaki and A Ando, “Selective microphone system using blind separation by block decorrelation

Ngày tải lên: 22/06/2014, 23:20

... automatic speech recognition systems when privacy is desired in human-machine communication. Moreover, NAM microphones show ro- bustness against noise and they might be used in special systems (speech ... receives the speech signal directly from the body, it shows robustness against the environmental noises. In addition, it might be also used in special systems (speech recognition, speech transform, ... [13]. To make a nonaudible murmur-based speech recognition system more flexible, we conducted experiments for audible speech and nonaudible murmur recognition using a stetho- scope NAM microphone.

Ngày tải lên: 22/06/2014, 23:20

... decision-directed speech power spectral density esti- mation (13). The speech quality of the noise-reduced signal was measured by averaging the segmental speech SNR be- tween original and processed speech ... Malpass, ? ?Speech enhancement using a soft-decision noise suppression filter,” IEEE Trans. Acous- tics, Speech, and Signal Processing, vol. 28, no. 2, pp. 137–145, 1980. [14] R. Martin, ? ?Speech enhancement ... Martin, and P. Vary, “On the optimiza- tion of speech enhancement systems using instrumental mea- sures,” in Proc. Workshop on Quality Assessment in Speech, Au- dio, and Image Communication, pp.

Ngày tải lên: 23/06/2014, 01:20

... from a single cycle recombination system using defective virus particles. It is important to note that the use of siRNAs in a dual infection/recombina- tion system would only enrich for breakpoints ... recombinants and do not influence the recombination process during reverse transcription. Using this system, a strong bias is selected for recombination breakpoints in the C2 region, whereas ... tions by using two different drug resistant v ariants and culturing a dual infection in the presence of the two antiretroviral drugs [18,19]. As describ ed below, our recombination system diffe

Ngày tải lên: 13/08/2014, 01:20

... size • Read vs spontaneous speech Systems can be evaluated on speech that is either read from prepared scripts, or speech that is uttered spontaneously Spontaneous speech is vastly more difficult, ... variability make speech recognition, even more than speech generation, a very complex problem Yet people are so comfortable with speech that we would also like to interact with our computers via speech, ... speaker-adaptive systems which tune themselves to any speaker given a small amount of their speech as enrollment data • Isolated, discontinuous, or continuous speech Isolated speech means single

Ngày tải lên: 13/08/2014, 02:21

... Figure 2.1: Structure of a standard speech recognition system. Figure 2.2: Signal analysis converts raw speech to speech frames. raw speech signal analysis speech frames acoustic models frame ... the highest level. The structure of a standard speech recognition system is illustrated in Figure 2.1. The ele- ments are as follows: • Raw speech. Speech is typically sampled at a high frequency, ... analysis train train test train raw speech 16000 values/sec. speech frames 16 coefficients x 100 frames/sec. signal analysis 2.1. Fundamentals of Speech Recognition 11 • Speech frames. The result of

Ngày tải lên: 13/08/2014, 02:21

... when neurobiol- ogists first began extensive studies of the human nervous system. Cajal (1892) determined that the nervous system is comprised of discrete neurons, which communicate with each other ... however, it finally became possible to build working models of neural systems, allowing researchers to freely experiment with such systems and better understand their properties. McCulloch and Pitts ... in time 1 Assuming the task is speech recognition, or some other task in the temporal domain 3. 3 A Taxonomy of Neural Networks 39 The TDNN is trained using standard backpropagation...

Ngày tải lên: 13/08/2014, 02:21

... continuous speech recognition system Several researchers have 70 4 Related Research recently designed word spotting systems that incorporate both neural networks and HMMs Among these systems, ... approaches to speech classification using neural networks: static and dynamic, as illustrated in Figure 4.1. In static classification, the neural network sees all of the input speech at once, ... classes classes hidden hidden hidden hidden speech speech (c) biased by speaker... Tebelskis (1993) applied the MS-TDNN to large vocabulary continuous speech recognition This work is detailed

Ngày tải lên: 13/08/2014, 02:21