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Discussion Groups | Speech Coding | Sinusoidal analysis and synthesis of speech
Technical discussions related to Speech Coding (all itu and other vocoders, ACELP, CELP, AMR, etc)
Sinusoidal analysis and synthesis of speech - Amit Kale - Mar 10 22:15:00 2005
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Hi I m working on a matlab project where i have to model speech signal as sum of sinusoids. The idea is derived from 1986 ICASSP paper by T.F. Quatieri and R.J. Maculay. I wanted to know if currently anybody is working on it or has worked on it before. Here we find the peaks for each frame from the DFT of thespeech signals and represent each peak as sinusoid of corresponding freq and phase. I have implemented the peak picking and synthesis part for overlapping frames in which i get a very good quality. But the problem arises in non overlapping case where phase interpolation becomes a problem I need help on that. Thank you in anticipation. Regards Amit. |
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