Question: is ogg better than m4a?
Answer: M4A: M4A tends to have substantially better quality than MP3 and OGG. An M4A file created with the lossless ALAC codec has the quality of an original lossless studio recording. ... The only downside to M4A is that often M4A, especially the ones encoded with lossless ALAC codec can pose compatibility issues on some systems.