MediaInfo is a free tools that provides you information of a video or audio file, you can get various information such as tag information and technical information of that files. What best is, MediaInfo is absolutely free! Using MediaInfo you are able to get these information : General information (title, autho, album, etc), technical video information such as codec, aspect, fps, etc, audio information like codec, sample rate, channels, etc, and many more. Currently MediaInfo supporting these files format: MKV, OGM, AVI, DivX, WMV, QuickTime, Real, MPEG-1, MPEG-2, MPEG-4, DVD, OGG, MP3, WAV, RA, AC3, DTS, AAC, M4A, AU, AIFF, etc.
MediaInfo able to read many media file formats, you are able to view the result in a text file, sheet, tree, or HTML, also you can easily customize the views. You can also export those to csv files.