ComfyUI > Nodes > ComfyUI > Record Audio

ComfyUI Node: Record Audio

Class Name

RecordAudio

Category
audio
Author
ComfyAnonymous (Account age: 763days)
Extension
ComfyUI
Latest Updated
2026-05-13
Github Stars
112.77K

How to Install ComfyUI

Install this extension via the ComfyUI Manager by searching for ComfyUI
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter ComfyUI in the search bar
After installation, click the Restart button to restart ComfyUI. Then, manually refresh your browser to clear the cache and access the updated list of nodes.

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Record Audio Description

Capture audio input for recording from microphone or other sources, ideal for real-time audio applications.

Record Audio:

The RecordAudio node is designed to capture audio input from a microphone or other audio sources, allowing you to record sound directly into your project. This node is particularly useful for applications that require real-time audio input, such as voice commands, sound effects, or any interactive audio experiences. By integrating this node, you can seamlessly capture and process audio data, which can then be used for further analysis or transformation within your workflow. The primary goal of the RecordAudio node is to provide a straightforward and efficient method for capturing high-quality audio, making it an essential tool for any project that involves sound recording.

Record Audio Input Parameters:

audio

The audio input parameter is a custom input type labeled as AUDIO_RECORD. This parameter is responsible for capturing the audio data from the designated input source, such as a microphone. It serves as the entry point for the audio signal that will be recorded and processed by the node. The quality and characteristics of the recorded audio depend on the input source and its configuration. This parameter does not have specific minimum, maximum, or default values, as it is directly linked to the audio input device being used.

Record Audio Output Parameters:

audio

The output parameter, also named audio, provides the recorded audio data in a structured format. This output includes the waveform of the audio signal and its sample rate, encapsulated in a dictionary. The waveform is a tensor that represents the amplitude of the audio signal over time, while the sample rate indicates the number of samples per second, which is crucial for maintaining the audio's fidelity. This output can be used for further processing, analysis, or playback within your project.

Record Audio Usage Tips:

  • Ensure that your audio input device, such as a microphone, is properly configured and connected to your system before using the RecordAudio node to avoid any issues with capturing audio.
  • Consider using a quiet environment to minimize background noise and improve the quality of the recorded audio, especially if the audio is intended for analysis or transformation.

Record Audio Common Errors and Solutions:

Invalid audio file: <audio>

  • Explanation: This error occurs when the specified audio input is not recognized or cannot be accessed by the node, possibly due to incorrect configuration or a disconnected device.
  • Solution: Verify that your audio input device is properly connected and configured. Ensure that the correct input source is selected and that it is functioning correctly. If the problem persists, check your system's audio settings to confirm that the device is recognized and operational.

Record Audio Related Nodes

Go back to the extension to check out more related nodes.
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