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eess.AS2019
Improving Opus Low Bit Rate Quality with Neural Speech Synthesis
Jan Skoglund, Jean-Marc Valin
The voice mode of the Opus audio coder can compress wideband speech at bit rates ranging from 6 kb/s to 40 kb/s. However, Opus is at its core a waveform matching coder, and as the…
eess.AS2019
A Real-Time Wideband Neural Vocoder at 1.6 kb/s Using LPCNet
Jean-Marc Valin, Jan Skoglund
Neural speech synthesis algorithms are a promising new approach for coding speech at very low bitrate. They have so far demonstrated quality that far exceeds traditional vocoders,…