Emotional prosody

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Information about Emotional prosody

Published on March 7, 2014

Author: wolfpaulus

Source: slideshare.net


Voice-enabled mobile application provide users access to information instantly, naturally, and almost effortlessly. Simple Voice-Commands however, have failed to gain traction, probably because it’s hard to remember the exact utterance of a command phrase. Instead, more lenient and flexible, conversational style software agents have been more successful.
When it comes to communicating results back to the user, a text response often seems enough. Still, to provide a truly hands-free, eyes-free user experience, a text response needs to be synthesized and played through the phone’s speaker.
The quality of the speech synthesis is determined by many factors, including sound quality (sampling rate, dynamic range), prosody (rhythm, stress, and intonation of speech) and maybe less obviously, by Emotional Prosody, conveyed through changes in pitch, loudness, timbre, speech rate, and pauses.
This talk will share some ideas, concepts, and the technology needed, to build a prototype implementation that synthesizes text that was augmented with emotional values.

Emotional Prosody Wolf Paulus © 2014 Wolf Paulus

2001: A Space Odyssey (1968) H.A.L. 9000 © 2014 Wolf Paulus

Real world Speech Synthesis in 2014 • Mac OS X - built-in Text-to-Speech • Cepstral / Voice Forge TTS Web Service • Loquendo - “Emotional Voices” with “expressive cues” Expres sive TT ! S Non-ve rbal exp ression crying , sighin s: ! g, cou ghing E © 2014 Wolf Paulus xample : _Ah _ Ah _Laug _01 Ah_02 A h_01 _ Laugh_ h_03 02 _La ugh_03

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