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- 606 creator andrew-c-morris.
- 606 creator christophe-veaux.
- 606 creator pierre-lanchantin.
- 606 creator xavier-rodet.
- 606 type InProceedings.
- 606 label "Automatic Phoneme Segmentation with Relaxed Textual Constraints".
- 606 sameAs 606.
- 606 abstract "Speech synthesis by unit selection requires the segmentation of a large single speaker high quality recording. Automatic speech recognition techniques, e.g. Hidden Markov Models (HMM), can be optimised for maximum segmentation accuracy. This paper presents the results of tuning such a phoneme segmentation system. Firstly, using no text transcription, the design of an HMM phoneme recogniser is optimised subject to a phoneme bigram language model. Optimal performance is obtained with triphone models, 7 states per phoneme and 5 Gaussians per state, reaching 94.4% phoneme recognition accuracy with 95.2% of phoneme boundaries within 70 ms of hand labelled boundaries. Secondly, using the textual information modeled by a multi-pronunciation phonetic graph built according to errors found in the first step, the reported phoneme recognition accuracy increases to 96.8% with 96.1% of phoneme boundaries within 70 ms of hand labelled boundaries. Finally, the results from these two segmentation methods based on different phonetic graphs, the evaluation set, the hand labelling and the test procedures are discussed and possible improvements are proposed.".
- 606 hasAuthorList authorList.
- 606 hasTopic Linguistics.
- 606 isPartOf proceedings.
- 606 keyword "Corpus (creation, annotation, etc.)".
- 606 keyword "Speech recognition and understanding".
- 606 keyword "Speech synthesis, Text-to-speech systems".
- 606 title "Automatic Phoneme Segmentation with Relaxed Textual Constraints".