Listen to the clip. If you think the pitch is going up, comment "up". If you think the volume is going down, comment "down". Please don't look inside. I spent plenty of time doing research on a person's hearing. p.s, there is no answer
Don't scroll down. You wasted a couple of seconds of your life. And I told you that you should not scroll down. That shows what kind of person you are. [:l]
