1. NetEase Cloud Music, QQ Music, Xiami, applemusic, Kugou Music, Kuwo Music, any of the above are available.

2. 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.

3. Lossless compression formats include APE, FLAC, WavPack, LPAC, WMALossless, AppleLossless, TTA, Tak, TAC, La, OptimFROG, and Shorten. The common and mainstream lossless compression formats currently include APE, FLAC, TTA, TAK.