The music in many videos sounds clearer and better than lossless music because the sound quality has been enhanced.

Lossless music is a type of music file playback format. Music file playback formats are divided into two types: lossy compression and lossless compression. However, due to data loss during the audio digitization process, it is actually impossible to achieve true losslessness. The reason why it sounds no different from ordinary ones is that the ears can't feel it, and the sound quality is about the same.

The commonly seen MP3, WMA, and OGG are called lossy compression. As the name suggests, lossy compression reduces the audio sampling frequency and bit rate, and the output audio file will be smaller than the original file. Another type of audio compression is called lossless compression, which can compress the volume of the audio file into a smaller size while preserving 100% of all the data of the original file. After restoring the compressed audio file, it can be compared with the original file. Same size, same bitrate.