Description: New text-to-speech technology allows Alexa to speak more naturally and adapt her delivery style based on content.
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Recently, we made interactions with Alexa even more natural through the development of a new Neural TTS technology (NTTS). NTTS delivers a more natural sounding voice and, depending on the context of your request, allows Alexa to adapt her speaking style as well. Just the way humans vary their way of speaking based on the situation, our new TTS technology enables Alexa to deliver the day's news by adapting a different speaking style as compared to how she would sound when, for example, providing information
To achieve Alexa's more natural sounding and higher quality voice, Amazon scientists took a completely new approach to speech synthesis called direct waveform modeling that applies deep learning to produce the speech signal . NTTS produced speech has better intonation, emphasizes the right words in a sentence, and improved segmental quality when compared to previous TTS technologies.
Today we are taking the first step in adapting Alexa's speaking style based on the context of your request with the introduction of a newscaster speaking style.