AudioAdjustVolume - ComfyUI Built-in Node Documentation

Complete documentation for the AudioAdjustVolume node in ComfyUI. Learn its inputs, outputs, parameters and usage.

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The AudioAdjustVolume node modifies the loudness of audio by applying volume adjustments in decibels. It takes an audio input and applies a gain factor based on the specified volume level, where positive values increase volume and negative values decrease it. The node returns the modified audio with the same sample rate as the original.

Inputs

Parameter	Data Type	Input Type	Default	Range	Description
audio	AUDIO	required	-	-	The audio input to be processed
volume	INT	required	1.0	-100 to 100	Volume adjustment in decibels (dB). 0 = no change, +6 = double, -6 = half, etc

Outputs

Output Name	Data Type	Description
audio	AUDIO	The processed audio with adjusted volume level