An explicit independence constraint for factorised adaptation in speech recognition

@inproceedings{Wang2013AnEI,
  title={An explicit independence constraint for factorised adaptation in speech recognition},
  author={Y.-Q. Wang and Mark J. F. Gales},
  booktitle={INTERSPEECH},
  year={2013}
}
Speech signals are usually affected by multiple acoustic factors, such as speaker characteristics and environment differences. Usually, the combined effect of these factors is modelled by a single transform. Acoustic factorisation splits the transform into several factor transforms, each modelling only one factor. This allows, for example, estimating a speaker transform in a noise condition and applying the same speaker transform in a different noise condition. To achieve this factorisation, it… CONTINUE READING

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