MPG-MP4 metadata

Please see below the difference in metadata for an MPG file and an MP4 file.

Metadata for MPG file:

ExifTool Version Number : 9.79
File Name : MOV03521.MPG
Directory : E:/Users/Owner/Desktop/test
File Size : 25 MB
File Modification Date/Time : 2014:09:23 08:36:56+02:00
File Access Date/Time : 2015:01:10 23:01:21+01:00
File Creation Date/Time : 2015:01:10 23:01:21+01:00
File Permissions : rw-rw-rw-
File Type : MPEG
MIME Type : video/mpeg
MPEG Audio Version : 1
Audio Layer : 2
Audio Bitrate : 64 kbps
Sample Rate : 32000
Channel Mode : Single Channel
Mode Extension : Bands 4-31
Copyright Flag : True
Original Media : True
Emphasis : None
Image Width : 640
Image Height : 480
Aspect Ratio : 1:1
Frame Rate : 30 fps
Video Bitrate : Variable
Image Size : 640x480
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Metadata for MP4 file

ExifTool Version Number : 9.79
File Name : MOV03521.mp4
Directory : E:/Users/Owner/Desktop/test
File Size : 7.6 MB
File Modification Date/Time : 2015:01:10 23:56:23+01:00
File Access Date/Time : 2015:01:10 23:56:23+01:00
File Creation Date/Time : 2015:01:10 23:56:23+01:00
File Permissions : rw-rw-rw-
File Type : MP4
MIME Type : video/mp4
Major Brand : MP4 v2 [ISO 14496-14]
Minor Version : 0.2.0
Compatible Brands : isom, iso2, avc1, mp41
Movie Data Size : 7916245
Movie Data Offset : 48
Movie Header Version : 0
Modify Date : 0000:00:00 00:00:00
Time Scale : 1000
Duration : 20.10 s
Preferred Rate : 1
Preferred Volume : 100.00%
Preview Time : 0 s
Preview Duration : 0 s
Poster Time : 0 s
Selection Time : 0 s
Selection Duration : 0 s
Current Time : 0 s
Next Track ID : 3
Track Header Version : 0
Track Create Date : 0000:00:00 00:00:00
Track Modify Date : 0000:00:00 00:00:00
Track ID : 1
Track Duration : 20.10 s
Track Layer : 0
Track Volume : 0.00%
Image Width : 640
Image Height : 480
Graphics Mode : srcCopy
Op Color : 0 0 0
Compressor ID : avc1
Source Image Width : 640
Source Image Height : 480
X Resolution : 72
Y Resolution : 72
Bit Depth : 24
Video Frame Rate : 30
Matrix Structure : 1 0 0 0 1 0 0 0 1
Media Header Version : 0
Media Create Date : 0000:00:00 00:00:00
Media Modify Date : 0000:00:00 00:00:00
Media Time Scale : 32000
Media Duration : 20.06 s
Media Language Code : und
Handler Description : Mono
Balance : 0
Audio Format : mp4a
Audio Channels : 2
Audio Bits Per Sample : 16
Audio Sample Rate : 32000
Track 2 Name : Mono
Handler Type : Metadata
Handler Vendor ID : Apple
Encoder : HandBrake 0.10.0 2014112200
XMP Toolkit : Image::ExifTool 9.79
Create Date : 2015:01:01 11:05:06
Avg Bitrate : 3.15 Mbps
Image Size : 640x480
Rotation : 0
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