Both websites can be downloaded.
At present, music file playback formats are divided into lossy compression and lossless compression. Common MP3, OGG, most WMA and AAC are called lossy compression. The influence of lossy compressed music on sound quality is not particularly obvious, and most people have no special feeling. But music enthusiasts are very concerned about the frequency range of sound and prefer lossless music. As a hot topic at present, lossless audio format is not clear to many people. In fact, the main difference is to understand the format of music files played in MP3. Using different formats of music files, the sound quality is very different.