Building the first QR…
Preparing
Loading BAF/BREIN…
On PC, try Chrome or Edge. Share a tab or screen and enable Share audio. Options depend on your browser and OS. Screen images are never displayed or uploaded.
Use audio input to allow access and list devices. Stereo Mix appears only if Windows and your audio driver expose it. Select an input, then press Use audio input.
Time shown across the waveform: oldest on the left, newest on the right. 20 ms–2 s.
Auto shows filtered waves up to 50 ms, then a smoother amplitude envelope. Playback audio stays unchanged.
Actual: 0 fps
Every frame is a QR. Freeze it for an easier scan.