JEITA CP-3451 - 108 - A.3 JPEG Compressed (4:2:2) File Table 36 JPEG Compressed (4:2:2) File Description Sample Contents Primary Image Recording Format JPEG Subsampling YCC 4:2:2 Restart Markers Inserted Quantization Tables 3 Pixels 640 (W) x 480 (H) Image Title Exif_JPEG_422 Image Input Equipment Manufacturer DS Company Image Input Equipment Model Name Example Orientation Normal Image Resolution 72 dpi (Width), 72 dpi (Length) File Change Date and Time 1997:09:01 12:00:00 Copyright Copyright, ABCDE,1997 Exif-specific Information   Version Ver. 2.0 Date and Time of Original Image Creation 1997:09:01 12:00:00 Date and Time of File Creation 1997:09:01 12:00:00 Components Y,Cb,Cr Image Compression Mode 2bit/pel Shutter Speed 59/10 (equivalent to 1/60 sec.) Aperture 50/10 (equivalent to F:5.6) Brightness 80/10 Exposure Bias 0/0 Maximum Lens Aperture 200/10 Subject Distance 20/10 Metering Mode MultiSpot Light Source Daylight Flash ON/OFF ON Thumbnails Recording Format   JPEG Subsampling YCC 4:2:2 Pixels 80 (W) x 60 (H) Image Resolution 72 dpi (Width), 72 dpi (Length) Table 37 JPEG Compressed (4:2:2) File JPEG Stream Description Sample Offset (Hex) Maker Segment Name Code (Hex) Comment 0000 SOI SOI Marker FFD8 Start of Image 0002 APP1 Marker FFE1 0004 APP1 Length 291C 0006 Identifier "Exif"00 000B Pad 00 000C APP1 APP1 Body See Next Table 0E39 DQT Marker FFDB Define Quantization Table 0E3B DQT Length 00C5 0E3D Pq, Tq 00 0E3E table elements 100B0C0E..... 64 Bytes of Data 0E7E Pq,Tq 01 0E7F table elements 0F101016.... 64 Bytes of Data 0EBF Pq,Tq 02 0EC0 DQT table elements 0F101016.... 64 Bytes of Data