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.
3 - Create Digital Recordings. To record your cassettes to your computer and create separate MP3 versions of each track, you need some basic software. Audacity is a program that is free and easy to use. It works with Mac, Windows, and even Linux, which makes it a good overall choice for just about anyone.pen your WAV files in iTunes or another media player. Adjust the import settings to Import as MP3 and then choose your preferred quality. Make sure the tracks are in the right order and import the files to your media player. Your conversion from cassette to MP3 is now complete.