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Pregled bibliografske jedinice broj: 607594

Časopis

Autori: Pobar, Miran; Martinčić-Ipšić, Sanda; Ipšić, Ivo
Naslov: Optimization of Cost Function Weights for Unit Selection Speech Synthesis Using Speech Recognition
( Optimization of Cost Function Weights for Unit Selection Speech Synthesis Using Speech Recognition )
Izvornik: Neural network world (1210-0552) 22 (2012), 5; 429-441
Vrsta rada: članak
Ključne riječi: speech synthesis; statistical parametrical synthesis; unit selection; weight tuning
( speech synthesis; statistical parametrical synthesis; unit selection; weight tuning )
Sažetak:
A well known problem in unit selection speech synthesis is designing the join and target function sub-costs and optimizing their corresponding weights so that they reflect the human listeners' preferences. To achieve this, we propose a procedure where an objective criterion for optimal speech unit selection is used. The objective criterion for tuning the cost function weights is based on automatic speech recognition results. In order to demonstrate the effectiveness of the proposed method listening tests with 31 naïve listeners were performed. The experimental results have shown that the proposed method improves speech quality and intelligibility. In order to evaluate the quality of synthesized speech, the unit selection speech synthesis system is compared with two other Croatian speech synthesis systems with voices built using the same recorded speech corpus. One of these voices was built with the Festival speech synthesis system using the statistical parametric method and the other is a diphone concatenation based text-to-speech system. The comparison is based on subjective tests using MOS (mean opinion score) evaluation. The system using the proposed method used for cost function weights optimization performs better than other compared systems according to the subjective tests.
Projekt / tema: 318-0361935-0852
Izvorni jezik: eng
Rad je indeksiran u
bazama podataka:
Current Contents Connect (CCC)
Scopus
SCI-EXP, SSCI i/ili A&HCI
Science Citation Index Expanded (SCI-EXP) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Računarstvo,Informacijske i komunikacijske znanosti
URL Internet adrese: http://www.nnw.cz/obsahy12.html
URL cjelovitog teksta:
Google Scholar: Optimization of Cost Function Weights for Unit Selection Speech Synthesis Using Speech Recognition
Upisao u CROSBI: mpobar@uniri.hr (mpobar@uniri.hr), 12. Pro. 2012. u 18:50 sati



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