Fix multi-tracks issues in Matroska & MP4

Borewit released this 29 Dec 11:01

· 1763 commits to master since this release

735e636

Fix issue:

#383 fix mp4 audiotracks without description
#384 fix multiple mkv audiotracks
#386 Cannot read property 'sampleRate' of undefined, via #383

NPM: music-metadat@5.4.3

Assets 2