Báo cáo hóa học: " Research Article Mapping Speech Spectra from Throat Microphone to Close-Speaking Microphone: A Neural Network Approach" potx

... frame-by-frame basis. If the channel conditionchanges largely during a frame, the channel estimation islikely to be inaccurate, and the system performance canbe severely degraded. To avoid this situation, ... alarm probability is defined as the probability that atleast one false alarm is issued during Tlimit. Let us denotethe final false alarm and the final missdetection probabilitiesby PFAand PMD, ... December 2010; Accepted 17 January 2011Academic Editor: Ashish PandharipandeCopyright © 2011 Dong Geun Jeong et al. This is an open access article distributed under the Creative Commons AttributionLicense,...

... forth.4.2. Radio Broadcast Database. For the purpose of ouranalysis a radio broadcast database was built. The databasecontains radio broadcast material collected from severalpublic radio stations. ... on radio broadcast database, (b) Var. of SF feature on radio broadcast database, (c) VMFBEfeature on BNSI database and (d) Var. of SF feature on BNSI database.the second-rated feature (variance ... than music).The database contains both male and female speakers withapproximately equal shares. Speech represents 88% of thedatabase material and 12% is nonspeech material. Thenonspeech part...

... 2001.[2] Canadian Association of Speech- Language Pathologistsand Audiologists, “General Speech & Hearing FactSheet,” Report, http://www.caslpa.ca/PDF/fact%20sheets/speechhearingfactsheet.pdf.[3] ... movement. Vocal quality is thesame as of spastic dysarthria. Voice pauses associated withdystonia may occur. Hypernasality is common. This type ofdysarthria could lead to a total lack of intelligibility.Hypokinetic ... Politecnica de Catalunya (UPC),Spain, 2005.[30] Y. A. Alotaibi, S A. Selouani, and D. O’Shaughnessy, “Exper-iments on automatic recognition of nonnative arabic speech, ”EURASIP Journal on Audio, Speech, ...

... 39-maleand 2-female laryngectomees. Their average age was 62.0±7.7 years. They had undergone total laryngectomy because ofT3 or T4 laryngeal or hypopharyngeal cancer at least one yearprior to ... estimation scales such as visual analoguescales, because the interval size of an equal-appearing inter-val scale might be not equal in all continua. Hence, statisticalanalyses which do not take ... Maier, and˚ A. Lyberg, “Automatic speech recognition (ASR) and its use as a tool for assessment orEURASIP Journal on Audio, Speech, and Music Processing 7therapy of voice, speech, and language...

... coveredwith a large number of cross-terms apart from the autoterms.In the sequel, the achieved payload and some relatedapplications are given.4.1. Data payloadIn this example, we have used a single ... digital audio watermarking,” IEEE Transactions onMultimedia, vol. 7, no. 2, pp. 212–221, 2005.[24] S. Xiang and J. Huang, “Histogram-based audio watermarkingagainst time-scale modification and ... Processing(ICASSP ’01), vol. 3, pp. 1353–1356, Salt Lake City, Utah, USA,May 2001.[7] M. Steinebach and J. Dittmann, “Watermarking-based digitalaudio data authentication,” EURASIP Journal on AppliedSignal...

... mapping/ coding codesign.ACKNOWLEDGMENTSThis work was supported by NSERC, Canada, (underAlexander Graham Bell Canada Graduate Scholarship and research Grant 249704-07). Part of this work was ... leads to a suboptimal detection andconsequently the BICM capacity is always smaller than theCM capacity.M. Benjillali and L. Szczecinski 5Table 1: Minimum SNR required to attain the spectral ... of the minimum-squared Euclidean distance(MSED) were also obtained in [4]. Finally, a particular formof MaRe—also known as the constellation rearrangement(CoRe)—was already applied in the high-speed...

... areeliminated manually and the remaining shapes are labelledand stored in the database as binary images representing thenine configurations (Figure 18).The training and test sets of the database ... so that phonemes which have similarlip shapes can be differentiated. Thanks to the combinationof both lip shapes and manual gestures, each phoneme has a specific visual aspect. Such a “hand and ... during the realization of a gesture. To do so, we applied our algorithm to 82 images of the BioIDdatabase [23]. It appears from this test that all the definedpointed areas give satisfactory results,...

... each phoneme has a specific visual aspect. Such a “hand and lip reading” becomesas meaningful as the oral message. The interest of CS is to use a code which is similar to oral language. As a ... The transition shapes areeliminated manually and the remaining shapes are labelledand stored in the database as binary images representing thenine configurations (Figure 18).The training and ... BioIDdatabase [23]. It appears from this test that all the definedpointed areas give satisfactory results, but the area related to the chin remains less accurate than the others (due to thepresence...

... [27].3.3. Canonical correlation analysisCanonical correlation analysis (CANCOR) is a multivari-ate statistical analysis allowing to jointly transform the au-dio and visual feature spaces while maximizing ... visual note. However, to our knowledge, ICAhas never been used as a transformation of the audiovisual speech feature space (as in [26] for the piano). A Matlab im-plementation of ICA is available ... the factthat CoIA is a compromise between CANCOR (where a u-diovisual correlation is maximized) and PCA (where audioand visual variances are maximized) and therefore benefits from the advantages...