AIFF, MP3, WAV—these are all common audio file types. You can import or export audio in these formats into and out of Audacity. However, only Audacity will be able to open files of the AUP file type.
Amplify—the process of increasing (or decreasing) volume of an audio track (or a portion of it).
Appending—adding an additional piece of audio at the end of an existing track, or to another project.
Bit or Sample Rates—computers use a unit of measure called bits. Bit or sample rates are the number of computer bits that are processed per unit of time, and are expressed in kilobits per second (kbps), or 1,000 bits per second. The higher bit or sample rate, the better the quality of your recording.
Click—short, disruptive ...