How it works
- Upload your audio file (MP3, WAV, M4A, AAC, OGG or FLAC).
- Choose a noise type and set the audio and noise volumes.
- Click Mix Audio and download the result as an MP3.
What can you use this tool for?
- Adding ambient background noise to a voice recording
- Simulating a room tone or environment behind narration
- Testing how a recording sounds with background noise present
- Creating a relaxing mix of speech or music with soft noise underneath
Useful details
- Accepts MP3, WAV, M4A, AAC, OGG and FLAC audio files
- Noise type is white, pink or brown, with volume presets for quick adjustment
- Audio volume and noise volume are set independently
- The mixed result is delivered as an MP3
FAQ
Can I add background noise to my audio online?
Yes — upload a file, pick white, pink or brown noise, set the volumes, and download the mixed result as MP3.
Can I control the noise level separately from my audio?
Yes — audio volume and noise volume each have their own setting.
Which audio formats are supported?
You can upload MP3, WAV, M4A, AAC, OGG or FLAC files. The result is delivered as MP3.
Do I need to install software?
No — mixing happens on the server. You only need a browser.
Is there a quick way to set the noise level?
Yes — use one of the preset noise-volume buttons, or fine-tune with the slider.