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Overlap and Add Sinusoidal Synthesis Method of Speech Signal using Amplitude-weighted Phase Error Function  

Park, Jong-Bae (충북대학교 전파공학과)
Kim, Gyu-Jin (충북대학교 전파공학과)
Hyeok, Jeong-Gyu (충북대학교 전파공학과)
Kim, Jong-Hark (충북대학교 전파공학과)
Lee, In-Sung (충북대학교 전파공학과)
Abstract
In this paper, we propose a new overlap and add speech synthesis method which demonstrates improved continuity performance. The proposed method uses a weighted phase error function and minimizes the wave discontinuity of the synthesis signal, rather than the phase discontinuity, to estimate the mid-point phase. Experimental results show that the proposed method improves the continuity between the synthesized signals relative to the existing method.
Keywords
Sinusoidal model; Phase Interpellation; Matching Pursuit; Overlap and Add;
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