I created the open source application Echotect, which allows you to turn your hood into a delay. It can also be used as an acoustic lab on some level. Add reflection points, structures, and use included global building data for automatic echo field mapping.
https://janne-s.github.io/Echotect/
The project can be exported as impulse response files to the reverb you use and the like; as stems of the echo field, and as the entire wet track. A Max4Live device is included, where you can import the echo field manifest in JSON format. You can also import the same JSON into your own applications.
It is possible to import an image into Echotect: a set design image, maybe a historical map or just a cool image that you want to match echo points to. There’s a scale tool to calibrate the image to real world measurements.
The Max4Live device is by default four-channel to implement surround sound if necessary, but go wild with it.
I personally like listening to sound from somewhere further away and finding interesting perspectives for music mixing and the like. The app basically allows IR file creation from any location, which I’d imagine could have uses in movie sound design.
The app is not designed to be a hard core acoustic simulator, but it goes a long way there. Reflections have reflections and they are affected by real world occlusions and other freely adjustable parameters. Deeper echo fields are best created in the render mode.





