MPEG Tags

The MPEG format doesn't specify any file-level meta information. In lieu of this, information is extracted from the first audio and video frame headers in the file.

MPEG Audio Tags

Tag ID Tag Name Writable Values / Notes 'Bit11-12' MPEGAudioVersion N 0 = 2.5 2 = 2 3 = 1 'Bit13-14' AudioLayer N 1 = 3 2 = 2 3 = 1 'Bit16-19' AudioBitrate N (version 1, layer 1) 0 = free 1 = 32000 2 = 64000 3 = 96000 4 = 128000    5 = 160000 6 = 192000 7 = 224000 8 = 256000 9 = 288000    10 = 320000 11 = 352000 12 = 384000 13 = 416000 14 = 448000    (version 1, layer 2) 0 = free 1 = 32000 2 = 48000 3 = 56000 4 = 64000    5 = 80000 6 = 96000 7 = 112000 8 = 128000 9 = 160000    10 = 192000 11 = 224000 12 = 256000 13 = 320000 14 = 384000    (version 1, layer 3) 0 = free 1 = 32000 2 = 40000 3 = 48000 4 = 56000    5 = 64000 6 = 80000 7 = 96000 8 = 112000 9 = 128000    10 = 160000 11 = 192000 12 = 224000 13 = 256000 14 = 320000    (version 2 or 2.5, layer 1) 0 = free 1 = 32000 2 = 48000 3 = 56000 4 = 64000    5 = 80000 6 = 96000 7 = 112000 8 = 128000 9 = 144000    10 = 160000 11 = 176000 12 = 192000 13 = 224000 14 = 256000    (version 2 or 2.5, layer 2 or 3) 0 = free 1 = 8000 2 = 16000 3 = 24000 4 = 32000    5 = 40000 6 = 48000 7 = 56000 8 = 64000 9 = 80000    10 = 96000 11 = 112000 12 = 128000 13 = 144000 14 = 160000    'Bit20-21' SampleRate N (version 1) 0 = 44100 1 = 48000 2 = 32000 (version 2) 0 = 22050 1 = 24000 2 = 16000 (version 2.5) 0 = 11025 1 = 12000 2 = 8000 'Bit24-25' ChannelMode N 0 = Stereo 1 = Joint Stereo 2 = Dual Channel 3 = Single Channel 'Bit26' MSStereo N (layer 3) 0 = Off 1 = On 'Bit26-27' ModeExtension N (layer 1 or 2) 0 = Bands 4-31 1 = Bands 8-31 2 = Bands 12-31 3 = Bands 16-31 'Bit27' IntensityStereo N (layer 3) 0 = Off 1 = On 'Bit28' CopyrightFlag N 0 = False 1 = True 'Bit29' OriginalMedia N 0 = False 1 = True 'Bit30-31' Emphasis N 0 = None 1 = 50/15 ms 2 = reserved 3 = CCIT J.17

MPEG Video Tags

Tag ID Tag Name Writable Values / Notes 'Bit00-11' ImageWidth N   'Bit12-23' ImageHeight N   'Bit24-27' AspectRatio N 0.6735 = 0.6735 0.7031 = 16:9, 625 line, PAL 0.7615 = 0.7615 0.8055 = 0.8055 0.8437 = 16:9, 525 line, NTSC 0.8935 = 0.8935 0.9157 = 4:3, 625 line, PAL, CCIR601 0.9815 = 0.9815 1 = 1:1 1.0255 = 1.0255 1.0695 = 1.0695 1.095 = 4:3, 525 line, NTSC, CCIR601 1.1575 = 1.1575 1.2015 = 1.2015 'Bit28-31' FrameRate N   'Bit32-49' VideoBitrate N

MPEG Xing Tags

These tags are extracted from the Xing/Info frame.

Tag Name Writable Values / Notes VBRFrames N   VBRBytes N   VBRScale N   Encoder N   LameVBRQuality N   LameQuality N   LameHeader - --> MPEG Lame Tags

MPEG Lame Tags

Tags extracted from Lame 3.90 or later header.

Index Tag Name Writable Values / Notes 9 LameMethod N [Mask 0x0f] 0x1 = CBR 0x2 = ABR 0x3 = VBR (old/rh) 0x4 = VBR (new/mtrh) 0x5 = VBR (old/rh) 0x6 = VBR 0x8 = CBR (2-pass) 0x9 = ABR (2-pass) 10 LameLowPassFilter N   20 LameBitrate N   24 LameStereoMode N [Mask 0x1c] 0x0 = Mono 0x1 = Stereo 0x2 = Dual Channels 0x3 = Joint Stereo 0x4 = Forced Joint Stereo 0x6 = Auto 0x7 = Intensity Stereo

<-- ExifTool Tag Names