LoadAudio - ComfyUI Built-in Node Documentation

The LoadAudio node loads audio files from the input directory and converts them into a format that can be processed by other audio nodes in ComfyUI. It reads audio files and extracts both the waveform data and sample rate, making them available for downstream audio processing tasks.

Inputs

Parameter	Description	Data Type	Required	Range
`audio`	The audio file to load from the input directory	AUDIO	Yes	All supported audio and video files in the input directory

Note: The node only accepts audio and video files that are present in ComfyUI’s input directory. The file must exist and be accessible for successful loading.

Outputs

Output Name	Description	Data Type
`AUDIO`	Audio data containing waveform and sample rate information	AUDIO

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JoinAudioChannels - ComfyUI Built-in Node Documentation

PreviewAudio - ComfyUI Built-in Node Documentation

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Outputs