EUROSPEECH 2001 Scandinavia
In this paper we describe how unit selection for concatenative speech synthesis can be implemented efficiently for sub-phonetic units using weighted finite state transducers (WFST). We also introduce splicing costs as a measure to indicate which unit boundaries are particularly good or poor joint points. Splicing costs extend the flexibility offered by the unit selection paradigm. Through a perceptual experiment we demonstrate an improvement in speech quality achieved by using splicing costs during unit selection.
Bibliographic reference. Bulyko, Ivan / Ostendorf, Mari (2001): "Unit selection for speech synthesis using splicing costs with weighted finite state transducers", In EUROSPEECH-2001, 987-990.