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State-of-the-art Deep Neural network based TTS engine developed for Kannada
RaGaVeRa's Kannada TTS exceeds the quality of Google and Nuance Kannada TTS
Comparison of the quality of RaGaVeRa’s TTS against Google’s WaveNet and Nuance’s Kannada TTS as assessed by 55 natives of Kannada. RaGaVeRa’s TTS got a mean preference score of 78.2% in contrast to 13.1% for Google’s TTS and 5.1% for Nuance’s TTS.
Our TTS system was able to achieve an MOS of 4.42 ± 0.53 when compared to the ground truth 4.55 ± 0.56 based on the evaluation of 25 Kannada natives.
A survey was conducted to compare our synthesized speech with the human speech and it was seen that people preferred the synthesized speech over human speech.
Below is a side by side comparison of the synthesized speech from RaGaVeRa, Google and Nuance's Kannada TTS:
RaGaVeRa Kannada TTS
Google Kannada TTS
Nuance Kannada TTS
01_RaGaVeRa.wav01_Google.wav01_Nuance.wav02_RaGaVeRa.wav02_Google.wav02_Nuance.wav03_RaGaVeRa.wav03_Google.wav03_Nuance.wav04_RaGaVeRa.wav04_Google.wav04_Nuance.wav05_RaGaVeRa.wav05_Google.wav05_Nuance.wavBelow is a side by side comparison of human speech with synthesized speech:
Human Speech
Synthesized speech
gtaudio0.wavsaudio_0.wavgtaudio1.wavsaudio_1.wavgtaudio2.wavsaudio_2.wavgtaudio3.wavsaudio_3.wavgtaudio4.wavsaudio_4.wavBelow are some more audio samples synthesized using RaGaVeRa's Kannada TTS:
01.wav03.wav05.wav06.wav08.wav09.wav10.wav11.wavGoogle Sites
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