● mp3 is the overall best choice for audio on the web, as it has the best browser compatibility and one of the smallest file sizes. However, it will not contain all the audio data from a recording.

● flac is the best choice for playback of lossless audio. The file size can be significantly larger than mp3, but the audio quality is much better. This is the best choice for listening to music, or any audio that needs to be of the highest quality.