A study finds that a computer-generated voice is not given away by being flatter than a human one, since the two vary by similar amounts overall, but by when it changes direction: human speakers concentrate their sharpest movements in the last fifth of the sentence.

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#VoiceTech #SpeechScience #AICommunication

🎤 **Synthetic vs. Human Voices: New Study Reveals Key Differences in Intonation**

* 🗣️ A recent study comparing human and synthetic voices in Venezuelan Spanish found that while synthetic voices can mimic general patterns of statements and questions, they produce smoother, more regular pitch changes. Human voices, conversely, exhibit more detailed pitch variations, especially towards the end of sentences, where crucial intonation cues often lie.

* 🔬 The research focused on how pitch changes over time within sentences, rather than just overall pitch levels. This detailed analysis of speech melody as a dynamic pattern is crucial for understanding how natural synthetic voices sound compared to human speech.

* 📈 Findings suggest that synthetic speech may sound similar to human speech in broad acoustic aspects, but significant differences exist in the timing and shape of pitch movements. These distinctions are particularly important for how we perceive authenticity in voices.

#VoiceTech #AI #Linguistics

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