We are programming a little script in Ruby, and we are doing a syscall to "aplay" player. This syscall for some reason is producing a strange noise before playing.
Instead trying to describe that noise I'll paste a link here to download 3 files: a WAV file of the noise and 2 screenshots.
We are using a Raspberry Pi 3 with Digi + Standard.
Some feedback would be more than welcome! :)
Best regards, What Education System team.