Audacity provides an effective, minimally destructive way to lower the bit rate of an audio file. Lowering the bit rate lessens the quality of the audio file, but also decreases the file size. This ...

(2) The speed that digital audio and video files are encoded (compressed), measured in kilobits (Kb) and megabits (Mb) per second. For example, MP3 audio files can be created with bit rates from 16 ...