【實用音樂app】Play It Down|最夯免費app-綠色工廠好玩App

Play It Down is like three fun music and audio apps in one!Auto-Old My MusicPick a song from your library, use the Auto-Old slider to “age” your ears, and hear what your music sounds like to someone 5, 10, 20, even 30 years older than you!The Ear KnobAre your ears older than you are? Put your ears to The Ear Knob age test, and compare with friends to see who can hear the highest frequencies.The Volume ZoneWhat’s louder, a live rock concert or an album on your iPod? Use this simple decibel meter to measure sound volume anywhere, anytime. Even measure the volume of your earbuds.