Today, a good Soundwave must be able to do these:
https://scontent-syd2-1.xx.fbcdn.net...8e&oe=5A3FFD89
https://scontent-syd2-1.xx.fbcdn.net...dc&oe=5A4CD788
https://scontent-syd2-1.xx.fbcdn.net...f9&oe=5A4EC129
Just tape recorder mode is not enough. :D