These updates included the introduction of things like multiple new device profiles, multi-channel recognition and a host of exciting new languages synthesized by the introduction of the WaveNet AI system.Īt the end of August, Google built on that announcement by announcing that the number of variants in Google Text-to-Speech has now increased by almost 70%. When given a text input, the trained WaveNet model can generate the corresponding speech waveforms from scratch, one sample at a time, with up to 24,000 samples per second and seamless transitions between the individual sounds.At the beginning of this year (February to be exact), the Google cloud team announced that it was making a wide range of updates to the GCP AI for text-to-speech and speech-to-text functionality.
During training, the network extracts the underlying structure of the speech, such as which tones follow each other and what a realistic speech waveform looks like. The model uses a neural network that has been trained using a large volume of speech samples. Unlike most other text-to-speech systems, a WaveNet model creates raw audio waveforms from scratch. On average, a WaveNet produces speech audio that people prefer over other text-to-speech technologies. It synthesizes speech with more human-like emphasis and inflection on syllables, phonemes, and words. Most voice synthesizers (including Apple's Siri) use concatenative synthesis, in which a program stores individual phonemes and then pieces them together to form words and sentences.Ī WaveNet generates speech that sounds more natural than other text-to-speech systems. It tries to distinguish from its competitors, Amazon and Microsoft, with distinct AI features.ĭeepMind's AI voice synthesis tech is notably advanced and realistic. Google Cloud Text-to-Speech is powered by WaveNet, software created by Google's UK-based AI subsidiary DeepMind, which was bought by Google in 2014. Apps such as textPlus and WhatsApp use Text-to-Speech to read notifications aloud and provide voice-reply functionality. Some app developers have started adapting and tweaking their Android Auto apps to include Text-to-Speech, such as Hyundai in 2015. Please help improve this article by introducing citations to additional sources. Relevant discussion may be found on the talk page. This section relies largely or entirely on a single source.
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