Audacity
Audacity is a single multiple track tool for editing and recording sound. It allows users to manipulate with the soundtracks, change arrangement or fix issues like noise. The user interface of Audacity as shown in Figure 1 is simple; it provides buttons on top like a video recorder. One can also open an existing file into Audacity for listening or making some changes. The recorded sound is shown in a waveform that makes editing very simple and graphical. It also consists tools for clipping portions of the sound and a special tool for volume adjustments. Audacity is easy to ...