New algorithm for spectral smoothing and envelope modification for LP-PSOLA synthesis
نویسندگان
چکیده
The final quality of a concatenation synthesis system is directly related to the continuity of the spectrum at the concatenation point. Due to the subjective auditory masking, if we minimize the spectral distortion in the formant frequencies, the quality will increase significantly. In this paper we present, along with results concerning pitch marking, an algorithm capable of modifying the LPC envelope in a flexible way which is the heart of a spectral smoothing module for a diphone-based Linear Prediction Pitch-Synchronous Overlap-Add (LP-PSOLA) concatenation system.
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تاریخ انتشار 1994