Set Sample Format - This determines the quality of the audio data and the amount
of space it takes up. 16-bit is the quality used by audio CDs and is the minimum
quality that Audacity uses internally (8-bit audio files are automatically converted
when you open them). 24-bit is used in higher-end audio hardware. 32-bit float
is the highest quality that Audacity supports, and it is recommended that you use
32-bit float unless you have a slow computer or are running out of disk space.
Set Rate - Sets the number of samples per second of the track. 44100 Hz is
used by audio CDs. Tracks can have different sample rates in Audacity; they are
automatically resampled to the project sample rate (in the lower-left corner of
the window).
FILE MENU
New - Creates a new empty window.
Open
- Opens an audio file or an Audacity project in a new window (unless the
current window is empty). To add audio files to an existing project window, use
one of the Import commands in the Project menu.
Close - Closes the current window, asking you if you want to save changes.
On Windows and Unix, closing the last window will quit Audacity, unless you
modify this behavior in the Interface Preferences.
Save Project
- Saves everything in the window into an Audacity-specific format
so that you can save and quickly continue your work later. An Audacity project
consists of a project file, ending in “.aup,” and a project data folder, ending in “_data.”
For example, if you name your project “Composition,” then Audacity will create a file
called “Composition.aup” and a folder called “Composition_data.” Audacity project files
are not meant to be shared with other programs—use one of the following Export
commands when you are finished editing a file:
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