Fixed audio tracks are convenient, but they hide almost every decision from the listener. You press play and receive a finished result. You cannot inspect the carrier frequencies, see the beat difference, or change the signal while it is running.
That lack of visibility was the reason I started building BIFROST.
BIFROST is a browser-based workspace that generates binaural audio and amplitude modulation in real time. It is not a medical device, and I am not claiming that a particular frequency produces a guaranteed effect. My goal is narrower: give people direct control over the audio signal and make the current state understandable.
The design problem
I wanted the experience to answer three questions without forcing the user to trust a black box:
