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This paper proposes a new method of concatenation cost calculation for enhancing the optimality in unit selection. Instead of defining same set of concatenation costs for all types of speech unit transitions, costs are defined based on the type of unit transitions. Different types of unit transitions that can occur mainly in an utterance are voiced to voiced, voiced to unvoiced and unvoiced to unvoiced...
This paper proposes syllable specific target cost formulation for syllable based text-to-speech synthesis in Bengali language. Target cost formulation is implemented in three stages. In the first stage, syllable classification is done based on the position of syllable in word as begin, middle and end. At the second stage, begin, middle and end syllables are separately clustered for each of the unique...
This paper presents the design and development of unrestricted text to speech synthesis (TTS) system in Bengali language. Unrestricted TTS system is capable to synthesize good quality of speech in different domains. In this work, syllables are used as basic units for synthesis. Festival framework has been used for building the TTS system. Speech collected from a female artist is used as speech corpus...
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