SaveAudioMP3 - ComfyUI Built-in Node Documentation

The SaveAudioMP3 node saves audio data as an MP3 file. It takes audio input and exports it to the specified output directory with customizable filename and quality settings. The node automatically handles file naming and format conversion to create a playable MP3 file. This node is deprecated and may be removed in future versions.

Inputs

Parameter	Description	Data Type	Required	Range
`audio`	The audio data to be saved as an MP3 file	AUDIO	Yes	-
`filename_prefix`	The prefix for the output filename (default: “audio/ComfyUI”)	STRING	No	-
`quality`	The audio quality setting for the MP3 file (default: “V0”)	STRING	No	`"V0"` `"128k"` `"320k"`
`prompt`	Internal prompt data (automatically provided by the system)	PROMPT	No	-
`extra_pnginfo`	Additional PNG information (automatically provided by the system)	EXTRA_PNGINFO	No	-

Note: If the input audio is None (for example, when the source video has no audio track), the node will raise a ValueError.

Outputs

Output Name	Description	Data Type
None	This node does not return any output data, but saves the audio file to the output directory	-

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Inputs

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