voser

Voser is a free, open-source desktop application that simulates how sound behaves from multiple loudspeakers arranged in outdoor settings. Instead of physically setting up speakers in a field and measuring the results, you can place virtual sound sources in the program and see how their audio waves combine across a given space.

The tool provides a visual interface where you arrange speaker setups and view the resulting acoustic field. Under the hood, a calculation engine handles the math to model how these sound waves interact. For technical users who just need the math without the graphical interface, the calculation component is kept separate from the visual software. This means developers can extract just the math logic and plug it into their own custom audio projects without needing to install the full application.

This software would be useful for audio engineers, event organizers, or hobbyists designing outdoor concert or public address setups. For example, someone planning the speaker layout for an outdoor music festival could use it to predict dead spots or overly loud areas before deploying any physical equipment. While it currently models how direct sound travels from multiple sources, it will not compute sound wave reflections. The developer notes that handling echoes off buildings or barriers is beyond the project's scope, though a future separate project might tackle indoor acoustic reflections.

The application is currently available as a pre-built download for Windows, allowing users to run it immediately without compiling code. It is actively being developed, with plans to add features like virtual measurement microphones and adjustable settings for things like the speed of sound, which are currently set to default values. The project is open to community contributions and is licensed under the GPLv3 License.