StabilityAudioToAudio - ComfyUI Built-in Node Documentation

Transforms existing audio samples into new high-quality compositions using text instructions. This node takes an input audio file and modifies it based on your text prompt to create new audio content.

Inputs

Parameter	Description	Data Type	Required	Range
`model`	The AI model to use for audio transformation	COMBO	Yes	”stable-audio-2.5”
`prompt`	Text instructions describing how to transform the audio (default: empty, max length: 10000 characters)	STRING	Yes
`audio`	Audio must be between 6 and 190 seconds long	AUDIO	Yes
`duration`	Controls the duration in seconds of the generated audio (default: 190)	INT	No	1-190
`seed`	The random seed used for generation (default: 0)	INT	No	0-4294967294
`steps`	Controls the number of sampling steps (default: 8)	INT	No	4-8
`strength`	Parameter controls how much influence the audio parameter has on the generated audio (default: 1.0)	FLOAT	No	0.01-1.0

Note: The input audio must be between 6 and 190 seconds in duration. The prompt text has a maximum length of 10,000 characters.

Outputs

Output Name	Description	Data Type
`audio`	The transformed audio generated based on the input audio and text prompt	AUDIO

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​Inputs

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Inputs

Outputs