The phrase refers to the process of converting video content from a specific online video platform into an audio file, specifically in the MP3 format, with a bitrate of 320 kilobits per second (kbps). This bitrate is generally considered a high-quality audio encoding setting for MP3 files. An example would be extracting the audio track from a music video and saving it as a standalone MP3 file at this quality level.
The significance of creating audio files at this bitrate lies in the preservation of audio fidelity. A higher bitrate generally translates to a richer, more detailed sound, minimizing compression artifacts and providing a listening experience closer to the original source. Historically, lower bitrates were more common due to storage and bandwidth limitations; however, advancements in technology have made higher-quality audio more accessible and practical for a wider audience. This process provides a method to enjoy audio content offline and on devices without video capabilities.