کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
406561 678096 2014 6 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
HMM-based speech synthesis with various degrees of articulation: A perceptual study
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موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر هوش مصنوعی
پیش نمایش صفحه اول مقاله
HMM-based speech synthesis with various degrees of articulation: A perceptual study
چکیده انگلیسی

HMM-based speech synthesis is very convenient for creating a synthesizer whose speaker characteristics and speaking styles can be easily modified. This can be obtained by adapting a source speaker's model to a target speaker's model, using intra-speaker voice adaptation techniques. In this paper, we focus on high-quality HMM-based speech synthesis integrating various degrees of articulation, and more specifically on the internal mechanisms leading to the perception of the degrees of articulation by listeners. Therefore the process of adapting a neutral speech synthesizer to generate hypo and hyperarticulated speech is broken down into four factors: cepstrum, prosody, phonetic transcription adaptation as well as the complete adaptation. The impact of these factors on the perceived degree of articulation is studied. Moreover, this study is complemented with an Absolute Category Rating (ACR) evaluation, allowing the subjective assessment of hypo/hyperarticulated speech through various dimensions: comprehension, non-monotony, fluidity and pronunciation. This paper quantifies the importance of prosody and cepstrum adaptation as well as the use of a Natural Language Processor able to generate realistic hypo and hyperarticulated phonetic transcriptions.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Neurocomputing - Volume 132, 20 May 2014, Pages 142–147
نویسندگان
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