Advances in Speech and Language Technologies for Iberian by Juan Luis Navarro Mesa, Alfonso Ortega, António Teixeira,

By Juan Luis Navarro Mesa, Alfonso Ortega, António Teixeira, Eduardo Hernández Pérez, Pedro Quintana Morales, Antonio Ravelo García, Iván Guerra Moreno, Doroteo T. Toledano (eds.)

This publication constitutes the refereed lawsuits of the IberSPEECH 2014 convention, held in Las Palmas de Gran Canaria, Spain, in November 19-21, 2014. The 29 papers provided have been conscientiously reviewed and chosen from 60 submissions. The papers are geared up in topical sections on speech creation, research, coding and synthesis; speaker and language characterization; automated speech popularity; speech of language applied sciences in several program fields.

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Extra resources for Advances in Speech and Language Technologies for Iberian Languages: Second International Conference, IberSPEECH 2014, Las Palmas de Gran Canaria, Spain, November 19-21, 2014. Proceedings

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Taking into accountt that the average pitch of the speakers is 100 and 1700 Hz respectively, this maximum m corresponds to a constant window length of 35 ms approximately. Beyond this value, v the analysis window is apparently long enough as to capture the features of adjaccent phones, which produces poorer modeling. Fig. 2. Average log-likelihoo od per frame given a monophone HMM for different winddow lengths 5 Subjective Evalu uation Until now, we have show wn that an accurate capture of the perceptually relevvant speech signal characteristiccs requires a short analysis window, while accurate statiisti- 26 A.

Articulatory correlates of ambisyllabicity in English glides and liquids. , Temple, R. ) Papers in Laboratory Phonology VI: Constrains on Phonetic Interpretation, pp. 222–236. Cambridge University Press, Cambridge (2003) 6. : Automatic analysis of singleton and geminate consonant articulation using Real-Time Magnetic Resonance Imaging. In: Proc. Interspeech, Florence, Italy, pp. 409–412 (2011) 7. : Articulatory characteristics of European Portuguese Laterals: An 2D and 3D MRI Study. In: FALA 2010, Vigo, Spain (2010) 8.

Alonso et al. cal modeling requires significantly longer windows. However, we have yet no hints about the relevance of these aspects with regard to the perceptual quality or naturalness of the resulting synthetic waveforms. Hence, our next experiment is a perceptual test where we assess the relative performance of the synthesizer when the training data are analyzed at two different window lengths: (i) two periods (short analysis window, suitable for resynthesis) and (ii) optimal number of periods according to Fig.

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