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.
Device Toolbar is displayed by default in a new installation of Audacity. If Device Toolbar is not visible, click on . You may want to expand the size of the Device toolbar by dragging right on the drag handle. Choose your preferred Audio Host, Recording Device and Playback Device from the dropdown menus. This selects the particular interface with which Audacity communicates with your chosen recording and playback devices. The Audio Host is the interface between Audacity and the sound device. On Windows, the choice is between the following audio interfaces. MME: This is the Audacity default and the most compatible with all audio devices. Windows DirectSound: This is more recent than MME with potentially less latency.