Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1985-2001 Microsoft Corp. C:\Documents and Settings\Michael>mp4box -info "C:\Program Files\x264\goodmux.mp4" * Movie Info * Timescale 600 - Duration 00:00:22.100 Fragmented File no - 2 track(s) File Brand isom - version 1 Created: GMT Mon Jun 11 21:45:26 2007 File has root IOD Scene PL 0xff - Graphics PL 0xff - OD PL 0xff Visual PL: AVC/H264 Profile (0x15) Audio PL: AAC Profile @ Level 2 (0x29) No streams included in root OD Track # 1 Info - TrackID 1 - TimeScale 25000 - Duration 00:00:22.040 Media Info: Language "Undetermined" - Type "vide:avc1" - 551 samples MPEG-4 Config: Visual Stream - ObjectTypeIndication 0x21 AVC/H264 Video - Visual Size 704 x 400 - Profile Main @ Level 5.1 NAL Unit length bits: 32 Self-synchronized Track # 2 Info - TrackID 2 - TimeScale 48000 - Duration 00:00:22.101 Media Info: Language "Undetermined" - Type "soun:mp4a" - 1036 samples MPEG-4 Config: Audio Stream - ObjectTypeIndication 0x40 MPEG-4 Audio AAC LC - 2 Channel(s) - SampleRate 48000 Synchronized on stream 1 C:\Documents and Settings\Michael>mp4box -info "C:\Program Files\x264\badmux.mp4" * Movie Info * Timescale 600 - Duration 00:00:22.100 Fragmented File no - 2 track(s) File Brand isom - version 1 Created: GMT Mon Jun 11 21:45:25 2007 File has root IOD Scene PL 0xff - Graphics PL 0xff - OD PL 0xff Visual PL: AVC/H264 Profile (0x15) Audio PL: AAC Profile @ Level 2 (0x29) No streams included in root OD Track # 1 Info - TrackID 1 - TimeScale 25000 - Duration 00:00:22.040 Media Info: Language "Undetermined" - Type "vide:avc1" - 551 samples MPEG-4 Config: Visual Stream - ObjectTypeIndication 0x21 AVC/H264 Video - Visual Size 704 x 400 - Profile Main @ Level 5.1 NAL Unit length bits: 16 Self-synchronized Track # 2 Info - TrackID 2 - TimeScale 48000 - Duration 00:00:22.101 Media Info: Language "Undetermined" - Type "soun:mp4a" - 1036 samples MPEG-4 Config: Audio Stream - ObjectTypeIndication 0x40 MPEG-4 Audio AAC LC - 2 Channel(s) - SampleRate 48000 Synchronized on stream 1