My mainboard has toslink output and my soundcard has toslink input, and they are capable of bit-perfect transfer (verified by null test). Therefore I can evaluate the quality of different audio APIs, playback software and volume control in digital domain.
The video has no sound. Audio recorded in the video can be downloaded below. Beware of loud volume.
https://drive.google.com/file/d/17mejNuTKEvXsEqjlQQGpJlhoH9K6qaEq/view?usp=sharing
The video has no sound. Audio recorded in the video can be downloaded below. Beware of loud volume.
https://drive.google.com/file/d/17mejNuTKEvXsEqjlQQGpJlhoH9K6qaEq/view?usp=sharing