The following elements need to be taken into account to obtain the desired speech cloning effect:
- Sample Duration: At least 5 minutes of clear recordings in native language required (10-15 minutes recommended)
- recording environment: Quiet space, avoid background noise, recommended external microphone
- Content requirements: should cover the daily speech ofwhole phoneme(Suggested reading aloud of texts containing multiple pronunciations)
- affective expression: the inclusion of different tones such as calm/excited/questioning helps to enhance the authenticity of the clone
After completing the upload, the system will performVoiceprint feature extractioncap (a poem)Rhythmic modeling, which usually takes 2-4 hours of training time. The final generated AI voice can accurately reproduce userAcoustic characteristics above 97%, including unique breathing rhythms and pause habits.
This answer comes from the articleHeyGen: a tool that helps you generate multilingual digital people explainer videosThe
May not be reproduced without permission:AI productivity tools " What kind of voice samples are needed for HeyGen's voice cloning feature?
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