Wavenet Based Low Rate Speech Coding

  title={Wavenet Based Low Rate Speech Coding},
  author={W. Bastiaan Kleijn and Felicia S. C. Lim and Alejandro Luebs and Jan Skoglund and Florian Stimberg and Quan Wang and Thomas C. Walters},
  journal={2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)},
Traditional parametric coding of speech facilitates low rate but provides poor reconstruction quality because of the inadequacy of the model used. We describe how a WaveNet generative speech model can be used to generate high quality speech from the bit stream of a standard parametric coder operating at 2.4 kb/s. We compare this parametric coder with a waveform coder based on the same generative model and show that approximating the signal waveform incurs a large rate penalty. Our experiments… CONTINUE READING


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