Avdump/AR

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AniDB AR Def

1.33:1 (4:3)	10
1.77:1 (16:9)	20
1.66:1	30
1.85:1	40
2.00:1	50
2.21:1	60
2.35:1	70

By resolution

These are used when autocreqing (except rare/uncommon).

4:3

• 320 x 240
• 352 x 240 (non-square pixels), native NTSC Video CD - common (nwa)
• 352 x 288 (non-square pixels), native PAL Video CD - common (nwa)
• 384 x 288 (pelican)
• 512 x 368
• 512 x 384
• 576 x 432
• 640 x 480
• 720 x 540

16:9

• 640 x 352
• 640 x 360
• 640 x 368 (pelican)
• 704 x 384
• 704 x 392
• 704 x 396
• 704 x 400
• 720 x 400 (nwa: a bit off from actual 16:9, probably kept for mod16)
• 1024 x 576 (common under the tards)
• 1280 x 720
• 1920 x 1080
• 1920 x 1088

Anamorphic/wrong AR

• 704 x 480 NTSC DVD
• 720 x 480 NTSC DVD
• 720 x 576 PAL DVD

To be added?

• 848x480 16:9 - common for hell knows why... (nwa)
• 960*540 16:9
• 853 x 480 16:9 - common display resolution for anamorphic .mkv from 704x480 & 720x480 (nwa)

Rare/uncommon (unused)

• 480 x 360 4:3 - wouldn't call that common though
• 704 x 528 4:3 - ugh
• 800 x 448 16:9 - common?

• 480 x 320 3:2 HVGA (Computer Standard) - uncommon (nwa)
• 480 x 480 4:3 (non-square pixels), native NTSC SVCD - not that common (nwa)
• 480 x 576 4:3 (non-square pixels), native PAL SVCD - uncommon (nwa)
• 640 x 288 2.2:1 - a rather rarely used AR (nwa)
• 640 x 350 64:35 (approx. 9:5) EGA (Computer Standard) - rare (nwa)
• 720 x 432 1.66:1 (5:3) 35 mm European widescreen standard - rare (nwa)
• 800 x 600 4:3 SVGA (Computer Standard) - uncommon (nwa)
• 1024 x 768 4:3 XGA (Computer Standard) - rare (nwa)

MPEG-1 Standard

   1,
   0.6735,
   0.7031, //16/9 PAL
   0.7615,
   0.8055,
   0.8437, //16/9 NTSC
   0.8935,
   0.9157, //4/3 PAL
   0.9815,
   1.0255,
   1.0695,
   1.0950, //4/3 NTSC
   1.1575,
   1.2015,

MPEG-2 Standard

   1,
   4/3,
   16/9,
   2.21,

Sample Data

See Avdump/Resolution for the actual resolutions.

AR      count(*)
------  --------------------------
{null}	20223 (resolution not set)
0.66	1
0.67	40
0.75	1
0.76	1
0.79	2
0.83	18
0.93	1
0.94	6
0.95	42
0.96	2
1.00	182
1.06	2
1.07	2
1.08	1
1.10	2
1.11	1
1.16	2
1.17	4
1.18	30
1.19	5
1.20	10
1.21	54
1.22	977
1.23	87
1.24	69
1.25	625
1.26	146
1.27	134
1.28	81
1.29	370
1.30	659
1.31	1273
1.32	845
1.33	106965
1.34	743
1.35	571
1.36	2494
1.37	180
1.38	1041
1.39	450
1.40	70
1.41	119
1.42	155
1.43	267
1.44	104
1.45	127
1.46	114
1.47	3754
1.48	733
1.49	189
1.50	2700
1.51	48
1.52	84
1.53	38
1.54	63
1.55	16
1.56	55
1.57	9
1.58	11
1.59	3
1.60	84
1.61	7
1.62	2
1.63	11
1.64	21
1.65	9
1.66	10
1.67	103
1.68	77
1.69	43
1.70	8
1.71	32
1.72	17
1.73	196
1.74	582
1.75	69
1.76	532
1.77	436
1.78	14894
1.79	316
1.80	1019
1.81	156
1.82	2928
1.83	978
1.84	45
1.85	124
1.86	73
1.87	20
1.88	165
1.89	34
1.90	187
1.91	56
1.92	6
1.93	2
1.95	23
1.96	62
1.97	4
1.98	15
1.99	22
2.00	120
2.01	3
2.02	4
2.03	1
2.04	1
2.05	54
2.06	5
2.07	2
2.08	1
2.09	3
2.10	10
2.11	1
2.13	2
2.14	1
2.15	1
2.17	3
2.19	1
2.20	2
2.22	7
2.25	4
2.27	1
2.31	9
2.32	12
2.33	4
2.35	16
2.36	2
2.37	8
2.38	1
2.40	2
2.43	1
2.44	2
2.50	3