Gravitational pull is the invisible force that causes massive objects to pull other objects towards them. For instance, when a person jumps up in the air, it is the earthâs gravitational pull... Gravitational pull is the invisible force that causes massive objects to pull other objects towards them.
Audacity is a free, easy-to-use audio editor and recorder for Windows, Mac OS X, and GNU/Linux. You can use Audacity to: 1  Record live audio; 2  Cut, Copy and Paste, Delete, Duplicate, and Split audio files; 3  Change the speed, pitch or volume of a recording; 4  Apply effects to any part of the sound; 5  Align audio segments.
Subscribe to keep up on any new Audacity tutorials. Audacity is a very easy piece of software to use. It makes editing music and sound a pleasure. The first thing you learn in this Audacity tutorial is how to open an existing recording. It is as simple as drag and drop the MP3, WAV, etc. onto the Audacity window.When you are ready to remove some sound from a recording you need to select the sound by holding your mouse button and sliding over that sound.ubscribe to keep up on any new Audacity tutorials. Audacity is a very easy piece of software to use. It makes editing music and sound a pleasure. The first thing you learn in this Audacity tutorial is how to open an existing recording. It is as simple as drag and drop the MP3, WAV, etc. onto the Audacity window.