Testing the consistency assumption: Pronunciation variant forced alignment in read and spontaneous speech synthesis

@article{Dall2016TestingTC,
  title={Testing the consistency assumption: Pronunciation variant forced alignment in read and spontaneous speech synthesis},
  author={Rasmus Dall and Sandrine Brognaux and Korin Richmond and Cassia Valentini-Botinhao and Gustav Eje Henter and Julia Hirschberg and Junichi Yamagishi and Simon King},
  journal={2016 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)},
  year={2016},
  pages={5155-5159}
}
Forced alignment for speech synthesis traditionally aligns a phoneme sequence predetermined by the front-end text processing system. This sequence is not altered during alignment, i.e., it is forced, despite possibly being faulty. The consistency assumption is the assumption that these mistakes do not degrade models, as long as the mistakes are consistent across training and synthesis. We present evidence that in the alignment of both standard read prompts and spontaneous speech this phoneme… CONTINUE READING

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