HeyGenVideoTranslateNode - ComfyUI Built-in Node Documentation

Translate a spoken video into another language with voice cloning and lip sync. This node clones the original speaker’s voice and re-animates the mouth to match the translated speech, producing a natural-looking result.

Inputs

Parameter	Description	Data Type	Required	Range
`video`	Video with speech to translate.	VIDEO	Yes	-
`output_language`	Target language for the translated video.	STRING	Yes	”Arabic" "Bengali" "Chinese" "Danish" "Dutch" "English" "French" "German" "Greek" "Hindi" "Indonesian" "Italian" "Japanese" "Korean" "Malay" "Polish" "Portuguese" "Russian" "Spanish" "Swedish" "Tamil" "Telugu" "Thai" "Turkish" "Ukrainian" "Vietnamese”
`mode`	’speed’ is faster; ‘precision’ produces higher-quality lip sync at twice the price.	STRING	Yes	”speed" "precision”
`translate_audio_only`	Only swap the audio track, keeping the original mouth movements (no lip sync). (default: False)	BOOLEAN	No	True False
`speaker_count`	Number of speakers in the video. 0 = detect automatically. (default: 0)	INT	No	0 to 10
`seed`	Not sent to HeyGen; change it to force a re-run. (default: 42)	INT	No	0 to 2147483647

Outputs

Output Name	Description	Data Type
`video`	The translated video with voice cloning and lip sync applied.	VIDEO

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