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MelloToneGen (OS X Application)

Ryan Baldwin - Technical Sound Designer & Audio Engineer - MelloToneGen (OS X Application)

Generative Ambient Noise & Music App for Mac. Ambient sound for focus, relaxation, sleep aid etc. Standalone OS X noise machine.


Generative Ambient Noise & Music app

infinite soundscapes for focusing or relaxing

MelloToneGen is a generative ambient music and noise machine application for OS X.

Built with Max/MSP, it runs as a native Mac application, and creates soothing, meditative soundscapes, using sounds of nature recorded in the Pacific Northwest, along with algorithmically-generated synthetic tones.

MelloToneGen's interface allows you to choose an ambient theme, as well as enable or disable generative musical tones, or all audio.

You can choose from multiple soundscape themes, created from layers of original field recordings. Along with that, mellow tones are generated, that evolve over time (especially enjoyable on headphones).

Having a non-repeating source of ambient sound can be beneficial in many situations. Focusing on work or creative tasks in a totally quiet space can be difficult. Similarly, it's hard to concentrate when listening to music with melodies or lyrics. MelloToneGen aims to strike a balance by providing more than just white noise, and avoiding melodic repetition.

MelloToneGen sounds best over good headphones or speakers. Put it on while programming, drawing, meditating, doing yoga, or use it as a sleep aid...the name is in part a reference to Melatonin.

MelloToneGen runs as a native Mac application

MelloToneGen runs as a native Mac application

Ambient Themes

  • Thunderstorm

  • Rain Shower

  • Stream

  • Dusk

  • Forest

  • No Ambience (Generative Tones Only)

  • + More In Progress...

Important Note:  “App damaged and can’t be opened"

Don't panic! There's a quick fix.

Because the app is not signed through Apple’s developer program, it may say that it is damaged and can’t be opened, but that’s not the case!

  • Temporarily disable OS X Gatekeeper to launch the application for the first time
  • Apple menu > System Preferences > Security & Privacy > Allow apps downloaded from: Anywhere
  • After changing the setting, launch MelloToneGen (right click, Open)


System requirements:

  • OS X 10.7 or later
  • Intel Mac with multicore processor
  • 2GB RAM


  • Open the downloaded .zip archive and then open the Install MelloToneGen.dmg file
  • Drag to Applications folder
  • Drag the app to the Dock from there for easy access
  • Eject the installation disk image “Install MelloToneGen”

Current Version: 1.0.0 (February 2016)

MelloToneGen is free to download for personal and home use. If you are looking to use it in a business/commercial or public setting, please contact me first. Donations to development are greatly appreciated.

Donate to Development