Audacity

Ejerciceos:
https://drive.google.com/open?id=0BymNEZcyLjzQMFZBZlFfaVpSSnBhOFVNUFdaTUtrdUNWZU80
https://drive.google.com/open?id=0BymNEZcyLjzQeVptQ2xqVE5OTUEwUWpDNTVRUkJnV01yZkhV
https://drive.google.com/open?id=0BymNEZcyLjzQY0I0Y2xOd2ZBWWdSa2JvYnNvVlRaaTdpRmFj
https://drive.google.com/open?id=0BymNEZcyLjzQdXphdUduN1pZeEJjb1RQVmpLbGNRTHJPeU40