ComfyUI Node: PreView Audio

PreView Audio:

The PreViewAudio node is designed to facilitate the temporary preview of audio files within your workflow. This node is particularly useful when you need to quickly listen to an audio file without saving it permanently. By leveraging this node, you can streamline your audio processing tasks, ensuring that you can efficiently review and make decisions on audio content before committing to any changes. The PreViewAudio node inherits from the SaveAudio class but is tailored for temporary storage, making it an essential tool for AI artists who frequently work with audio data and need a quick and easy way to preview their work.

PreView Audio Input Parameters:

audio

The audio parameter is required and expects an audio file in the format of AUDIO. This parameter represents the audio data that you wish to preview. The node will process this audio file and store it temporarily for playback. The audio file should be in one of the supported formats such as .wav, .mp3, .ogg, .flac, .aiff, or .aif. This parameter is crucial as it provides the actual audio content that you want to preview.

prompt

The prompt parameter is hidden and is used internally by the node. It is not intended for direct manipulation by the user.

extra_pnginfo

The extra_pnginfo parameter is also hidden and used internally by the node. It is not intended for direct manipulation by the user.

PreView Audio Output Parameters:

This node does not have any output parameters as its primary function is to provide a temporary preview of the audio file.

PreView Audio Usage Tips:

• Ensure that the audio file you want to preview is in one of the supported formats to avoid compatibility issues.
• Use this node when you need a quick listen to your audio file without the need to save it permanently, which can save time during the editing process.
• Combine this node with other audio processing nodes to create a seamless workflow where you can preview changes before finalizing them.

PreView Audio Common Errors and Solutions:

Invalid audio file: <audio_file_name>

• Explanation: This error occurs when the specified audio file does not exist or is not in a supported format.
• Solution: Verify that the audio file exists in the input directory and is in one of the supported formats such as .wav, .mp3, .ogg, .flac, .aiff, or .aif.

Temporary directory not found

• Explanation: This error occurs when the temporary directory used for storing the preview audio file cannot be found.
• Solution: Ensure that the temporary directory specified in the node's configuration exists and is accessible. You may need to check the folder paths settings in your environment.

Audio file could not be loaded

• Explanation: This error occurs when there is an issue loading the audio file, possibly due to file corruption or unsupported encoding.
• Solution: Check the integrity of the audio file and ensure it is not corrupted. Try using a different audio file to see if the issue persists.