Today's speech-recognition systems are able to tell what you're saying, but can't understand subtleties like tone of voice to indicate emotion. A new voice-intonation A.I. startup called Oto is ...

The study looked at how individuals alter their voices, or engage in voice modulation, when speaking to romantic partners versus same-sex friends during brief telephone conversations.

Oto, a startup spun off from research at SRI International to help customer service operations understand voice intonation, announced a $5.3 million seed ...

The device conveys changes of intonation when he asks questions, emphasizes the words of his choice and allows him to hum a string of notes in three pitches.

A new AI model from WellSaid Labs will let users guide the emotions, pitch, and pace of AI-generated voice clips in the same way as a human director would coach a voice actor to produce a desired ...

When humans talk to dogs, the canine brains seem to separate the meaning of the words from the intonation used and to analyze each aspect independently.

Dogs have the ability to distinguish vocabulary words and the intonation of human speech through brain regions similar to those that humans use, a new study reports.