HeyGen 专业语音克隆聚焦语气细节
HeyGen 的 Professional Voice Clone 通过 30 分钟至 2 小时的录音训练，保留呼吸、停顿、笑声、口音及元音发音等细节，实现难以分辨的克隆效果。该产品认为语音克隆已超越音色匹配，重点转向词与词之间的表达，因为两小时录音包含数百次犹豫、恢复、半笑和语速变化，这些不规则细节是听众判断声音归属的关键。
Voice cloning has moved past matching timbre. Most of the work now is in what happens between the words.
@HeyGen 's Professional Voice Clone trains on 30 minutes to 2 hours of your recorded audio and is built to keep breaths, pauses, laughs, and accent, along with how your vowels sound.
That data range is the point. Two hours of someone talking contains hundreds of hesitations, recoveries, half-laughs, and changes in pace. A short reference clip can’t show a model how you breathe before a long sentence or where your accent comes through when you speed up.
Those small irregularities are what listeners use to decide whether a voice belongs to a person.
HeyGen says the result is a voice no one can tell apart from yours.
来源：rohanpaul_ai · x.com