MediaInfo
Media Info supplies technical and tag information about a video or audio file. Supported formats: Video : MKV, OGM, MP4, AVI, MPG, VOB, MPEG1, MPEG2, MPEG4, DVD, WMV, ASF, DivX, XviD, MOV (Quicktime), SWF(Flash), FLV, FLI, RM/RMVB. Audio : OGG, MP3, WAV, RA, AC3, DTS, AAC, M4A, AU, AIFF, WMA.
It produces reports in many different formats, like:
General : C:\home\testGam56K_Dial_Up.flv
Format : Flash Video at 44.4 Kbps
Length : 485 KiB for 1mn 29s 443ms
Video #0 : H.263 at 24.0 Kbps
Aspect : 192 x 144 (1.333) at 10.000 fps
Audio #0 : MPEG Audio at 16.0 Kbps
Infos : 1 channel, 11.025 KHz