The process involves acquiring audio from the YouTube platform and converting it to a specific digital audio file format at a particular bitrate. The numerical designation refers to the encoding bitrate, measured in kilobits per second (kbps). As an example, an individual might utilize a third-party website or software application to extract the audio track from a YouTube music video and save it as an audio file with a 320 kbps bitrate.
Encoding audio at a higher bitrate, such as the specified value, generally results in improved audio fidelity compared to lower bitrates. This can be important for listeners who prioritize audio quality and are using equipment that is capable of reproducing subtle nuances in the recording. Historically, the practice has been driven by the desire to listen to audio content offline and/or on devices with limited storage capacity. The perceived advantage is the balance between file size and acceptable audio quality.