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MacBinary | 1991-12-08 | 429.0 KB | [ ONLN/HLX2]
open in: MacOS 8.1
extracted
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Win98
extracted
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DOS
extracted
view JSON data
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view as text
This file was processed as: MacBinary
(archive/macBinary ).
You can browse this item here: Capturing QuickTime™ Movies
Confidence Program Detection Match Type Support
10%
dexvert
MacBinary (archive/macBinary)
fallback
Supported
100%
file
MacBinary II, inited, Sat Dec 7 19:43:43 1991, modified Sat Dec 7 19:47:04 1991, creator 'HLX2', type 'ONLN', 435534 bytes "Capturing QuickTime� Movies" , at 0x6a5ce 3571 bytes resource
default (weak)
99%
file
data
default
100%
TrID
MacBinary 2
default (weak)
100%
siegfried
fmt/1762 MacBinary (II)
default
50%
lsar
MacBinary
default
id metadata key value macFileType [ ONLN] macFileCreator [ HLX2]
hex view +--------+-------------------------+-------------------------+--------+--------+ |00000000| 00 1b 43 61 70 74 75 72 | 69 6e 67 20 51 75 69 63 |..Captur|ing Quic| |00000010| 6b 54 69 6d 65 aa 20 4d | 6f 76 69 65 73 00 00 00 |kTime. M|ovies...| |00000020| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........| |00000030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........| |00000040| 00 4f 4e 4c 4e 48 4c 58 | 32 01 00 00 00 00 00 00 |.ONLNHLX|2.......| |00000050| 00 00 00 00 06 a5 4e 00 | 00 0d f3 a5 67 1b 3f a5 |......N.|....g.?.| |00000060| 67 1c 08 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |g.......|........| |00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 05 fc 00 00 |........|........| |00000080| 43 61 70 74 75 72 69 6e | 67 20 51 75 69 63 6b 54 |Capturin|g QuickT| |00000090| 69 6d 65 20 4d 6f 76 69 | 65 73 0d 45 72 69 63 20 |ime Movi|es.Eric | |000000a0| 4d 2e 20 48 6f 66 66 65 | 72 74 20 0d 41 70 70 6c |M. Hoffe|rt .Appl| |000000b0| 65 20 43 6f 6d 70 75 74 | 65 72 2c 20 49 6e 63 2e |e Comput|er, Inc.| |000000c0| 0d 54 68 69 73 20 72 65 | 70 6f 72 74 20 74 61 6b |.This re|port tak| |000000d0| 65 73 20 61 6e 20 69 6e | 2d 64 65 70 74 68 20 6c |es an in|-depth l| |000000e0| 6f 6f 6b 20 61 74 20 74 | 68 65 20 70 72 6f 63 65 |ook at t|he proce| |000000f0| 73 73 20 6f 66 20 61 63 | 71 75 69 72 69 6e 67 20 |ss of ac|quiring | |00000100| 61 6e 64 20 70 72 6f 63 | 65 73 73 69 6e 67 20 6d |and proc|essing m| |00000110| 6f 76 69 6e 67 20 69 6d | 61 67 65 20 73 65 71 75 |oving im|age sequ| |00000120| 65 6e 63 65 73 20 66 72 | 6f 6d 20 74 68 65 20 61 |ences fr|om the a| |00000130| 6e 61 6c 6f 67 20 61 6e | 64 20 64 69 67 69 74 61 |nalog an|d digita| |00000140| 6c 20 77 6f 72 6c 64 73 | 2e 20 54 68 65 20 61 76 |l worlds|. The av| |00000150| 61 69 6c 61 62 6c 65 20 | 74 6f 6f 6c 73 20 66 6f |ailable |tools fo| |00000160| 72 20 63 61 70 74 75 72 | 65 20 61 72 65 20 72 65 |r captur|e are re| |00000170| 76 69 65 77 65 64 20 61 | 6e 64 20 64 69 73 63 75 |viewed a|nd discu| |00000180| 73 73 65 64 2e 0d 51 75 | 69 63 6b 54 69 6d 65 20 |ssed..Qu|ickTime | |00000190| 54 65 63 68 6e 69 63 61 | 6c 20 4e 6f 74 65 20 4e |Technica|l Note N| |000001a0| 6f 2e 20 32 0d 54 61 62 | 6c 65 20 6f 66 20 43 6f |o. 2.Tab|le of Co| |000001b0| 6e 74 65 6e 74 73 09 09 | 09 09 09 09 09 32 0d 49 |ntents..|.....2.I| |000001c0| 6e 74 72 6f 64 75 63 74 | 69 6f 6e 09 09 09 09 09 |ntroduct|ion.....| |000001d0| 09 09 09 33 09 09 09 09 | 0d 4d 6f 76 69 65 20 41 |...3....|.Movie A| |000001e0| 75 64 69 65 6e 63 65 09 | 09 09 09 09 09 09 34 0d |udience.|......4.| |000001f0| 41 6e 61 6c 6f 67 20 56 | 69 64 65 6f 20 43 61 70 |Analog V|ideo Cap| |00000200| 74 75 72 65 09 09 09 09 | 09 09 35 09 09 09 09 0d |ture....|..5.....| |00000210| 61 6e 61 6c 6f 67 20 76 | 69 64 65 6f 20 66 6f 72 |analog v|ideo for| |00000220| 6d 61 74 09 09 09 09 09 | 09 09 35 0d 76 69 64 65 |mat.....|..5.vide| |00000230| 6f 20 73 69 67 6e 61 6c | 09 09 09 09 09 09 09 09 |o signal|........| |00000240| 37 09 09 0d 76 69 64 65 | 6f 20 64 69 67 69 74 69 |7...vide|o digiti| |00000250| 7a 65 72 09 09 09 09 09 | 09 09 09 37 0d 76 69 64 |zer.....|...7.vid| |00000260| 65 6f 20 72 65 73 6f 6c | 75 74 69 6f 6e 09 09 09 |eo resol|ution...| |00000270| 09 09 09 09 09 38 0d 76 | 69 64 65 6f 20 73 65 74 |.....8.v|ideo set| |00000280| 74 69 6e 67 73 09 09 09 | 09 09 09 09 09 31 30 0d |tings...|.....10.| |00000290| 69 6d 61 67 65 20 63 6f | 6d 70 72 65 73 73 6f 72 |image co|mpressor| |000002a0| 09 09 09 09 09 09 09 31 | 31 0d 73 6f 66 74 77 61 |.......1|1.softwa| |000002b0| 72 65 20 63 6f 6d 70 72 | 65 73 73 6f 72 73 09 09 |re compr|essors..| |000002c0| 09 09 09 09 09 31 32 0d | 68 61 72 64 77 61 72 65 |.....12.|hardware| |000002d0| 20 63 6f 6d 70 72 65 73 | 73 6f 72 73 09 09 09 09 | compres|sors....| |000002e0| 09 09 09 31 32 0d 63 6f | 6d 70 72 65 73 73 69 6f |...12.co|mpressio| |000002f0| 6e 20 73 65 74 74 69 6e | 67 73 20 09 09 09 09 09 |n settin|gs .....| |00000300| 09 09 31 33 0d 61 75 64 | 69 6f 20 52 41 4d 2f 64 |..13.aud|io RAM/d| |00000310| 69 73 6b 09 09 09 09 09 | 09 09 09 31 38 0d 61 75 |isk.....|...18.au| |00000320| 64 69 6f 20 73 65 74 74 | 69 6e 67 73 09 09 09 09 |dio sett|ings....| |00000330| 09 09 09 09 31 38 0d 61 | 75 64 69 6f 20 72 65 73 |....18.a|udio res| |00000340| 6f 6c 75 74 69 6f 6e 09 | 09 09 09 09 09 09 09 31 |olution.|.......1| |00000350| 39 0d 44 69 67 69 74 61 | 6c 20 56 69 64 65 6f 20 |9.Digita|l Video | |00000360| 54 72 61 6e 73 63 6f 64 | 69 6e 67 09 09 09 09 09 |Transcod|ing.....| |00000370| 32 30 0d 66 69 6c 65 20 | 66 6f 72 6d 61 74 20 63 |20.file |format c| |00000380| 6f 6e 76 65 72 73 69 6f | 6e 09 09 09 09 09 09 09 |onversio|n.......| |00000390| 32 31 0d 63 72 6f 70 70 | 69 6e 67 09 09 09 09 09 |21.cropp|ing.....| |000003a0| 09 09 09 09 32 31 0d 72 | 65 73 69 7a 69 6e 67 09 |....21.r|esizing.| |000003b0| 09 09 09 09 09 09 09 09 | 32 31 0d 62 69 74 20 64 |........|21.bit d| |000003c0| 65 70 74 68 20 63 6f 6e | 76 65 72 73 69 6f 6e 09 |epth con|version.| |000003d0| 09 09 09 09 09 09 32 32 | 0d 64 69 74 68 65 72 69 |......22|.ditheri| |000003e0| 6e 67 09 09 09 09 09 09 | 09 09 09 32 32 0d 63 6f |ng......|...22.co| |000003f0| 6d 70 72 65 73 73 69 6f | 6e 20 70 61 72 61 6d 65 |mpressio|n parame| |00000400| 74 65 72 73 09 09 09 09 | 09 09 09 32 32 0d 43 61 |ters....|...22.Ca| |00000410| 70 74 75 72 65 20 4d 65 | 74 68 6f 64 73 20 61 6e |pture Me|thods an| |00000420| 64 20 54 6f 6f 6c 73 09 | 09 09 09 09 32 34 0d 4c |d Tools.|....24.L| |00000430| 69 76 65 20 43 61 70 74 | 75 72 65 20 54 6f 6f 6c |ive Capt|ure Tool| |00000440| 73 09 09 09 09 09 09 09 | 32 36 09 09 0d 09 4d 6f |s.......|26....Mo| |00000450| 76 69 65 52 65 63 6f 72 | 64 65 72 09 09 09 09 09 |vieRecor|der.....| |00000460| 09 09 32 36 0d 09 56 69 | 64 65 6f 53 70 69 67 6f |..26..Vi|deoSpigo| |00000470| 74 aa 20 09 09 09 09 09 | 09 09 32 37 0d 43 6f 6e |t. .....|..27.Con| |00000480| 74 72 6f 6c 6c 65 64 20 | 43 61 70 74 75 72 65 20 |trolled |Capture | |00000490| 54 6f 6f 6c 73 09 09 09 | 09 09 09 32 37 0d 09 4d |Tools...|...27..M| |000004a0| 6f 76 69 65 54 69 6d 65 | aa 09 09 09 09 09 09 09 |ovieTime|........| |000004b0| 32 38 0d 09 47 72 61 62 | 47 75 79 09 09 09 09 09 |28..Grab|Guy.....| |000004c0| 09 09 09 32 39 0d 09 4d | 6f 76 69 65 4d 61 6b 65 |...29..M|ovieMake| |000004d0| 72 09 09 09 09 09 09 09 | 32 39 0d 54 72 61 6e 73 |r.......|29.Trans| |000004e0| 63 6f 64 69 6e 67 09 09 | 09 09 09 09 09 09 33 30 |coding..|......30| |000004f0| 09 09 09 0d 09 43 6f 6e | 76 65 72 74 54 6f 4d 6f |.....Con|vertToMo| |00000500| 76 69 65 09 09 09 09 09 | 09 09 33 31 0d 09 53 6f |vie.....|..31..So| |00000510| 75 6e 64 54 6f 4d 6f 76 | 69 65 09 09 09 09 09 09 |undToMov|ie......| |00000520| 09 33 31 0d 09 4d 6f 76 | 69 65 53 68 6f 70 aa 09 |.31..Mov|ieShop..| |00000530| 09 09 09 09 09 09 33 31 | 0d 47 6c 6f 73 73 61 72 |......31|.Glossar| |00000540| 79 09 09 09 09 09 09 09 | 09 09 33 33 0d 49 6e 74 |y.......|..33.Int| |00000550| 72 6f 64 75 63 74 69 6f | 6e 0d 57 69 74 68 20 74 |roductio|n.With t| |00000560| 68 65 20 69 6e 74 72 6f | 64 75 63 74 69 6f 6e 20 |he intro|duction | |00000570| 6f 66 20 51 75 69 63 6b | 54 69 6d 65 2c 20 69 74 |of Quick|Time, it| |00000580| 20 68 61 73 20 6e 6f 77 | 20 62 65 63 6f 6d 65 20 | has now| become | |00000590| 70 6f 73 73 69 62 6c 65 | 20 74 6f 20 63 61 70 74 |possible| to capt| |000005a0| 75 72 65 2c 20 65 64 69 | 74 20 61 6e 64 20 70 6c |ure, edi|t and pl| |000005b0| 61 79 62 61 63 6b 20 6d | 6f 76 69 6e 67 20 69 6d |ayback m|oving im| |000005c0| 61 67 65 73 20 77 69 74 | 68 20 73 6f 75 6e 64 20 |ages wit|h sound | |000005d0| 69 6e 20 74 68 65 20 4d | 61 63 69 6e 74 6f 73 68 |in the M|acintosh| |000005e0| aa 20 65 6e 76 69 72 6f | 6e 6d 65 6e 74 2e 20 4f |. enviro|nment. O| |000005f0| 66 20 74 68 65 20 63 61 | 70 61 62 69 6c 69 74 69 |f the ca|pabiliti| |00000600| 65 73 20 74 6f 20 63 61 | 70 74 75 72 65 2c 20 65 |es to ca|pture, e| |00000610| 64 69 74 20 61 6e 64 20 | 70 6c 61 79 62 61 63 6b |dit and |playback| |00000620| 2c 20 74 68 65 20 69 73 | 73 75 65 20 6f 66 20 63 |, the is|sue of c| |00000630| 61 70 74 75 72 65 20 70 | 72 65 73 65 6e 74 73 20 |apture p|resents | |00000640| 74 68 65 20 6d 6f 73 74 | 20 63 68 61 6c 6c 65 6e |the most| challen| |00000650| 67 65 73 2c 20 61 6e 64 | 20 72 65 71 75 69 72 65 |ges, and| require| |00000660| 73 20 61 6e 20 75 6e 64 | 65 72 73 74 61 6e 64 69 |s an und|erstandi| |00000670| 6e 67 20 6f 66 20 74 68 | 65 20 70 72 6f 63 65 73 |ng of th|e proces| |00000680| 73 20 6f 66 20 61 63 71 | 75 69 72 69 6e 67 20 72 |s of acq|uiring r| |00000690| 65 61 6c 2d 74 69 6d 65 | 20 64 61 74 61 20 66 72 |eal-time| data fr| |000006a0| 6f 6d 20 74 68 65 20 61 | 6e 61 6c 6f 67 20 77 6f |om the a|nalog wo| |000006b0| 72 6c 64 2e 20 0d 41 20 | 6e 75 6d 62 65 72 20 6f |rld. .A |number o| |000006c0| 66 20 75 73 65 72 73 20 | 68 61 76 65 20 65 78 70 |f users |have exp| |000006d0| 72 65 73 73 65 64 20 61 | 6e 20 69 6e 74 65 72 65 |ressed a|n intere| |000006e0| 73 74 20 69 6e 20 67 61 | 69 6e 69 6e 67 20 61 20 |st in ga|ining a | |000006f0| 64 65 65 70 65 72 20 75 | 6e 64 65 72 73 74 61 6e |deeper u|nderstan| |00000700| 64 69 6e 67 20 6f 66 20 | 74 68 65 20 63 61 70 74 |ding of |the capt| |00000710| 75 72 65 20 70 72 6f 63 | 65 73 73 2e 20 41 73 20 |ure proc|ess. As | |00000720| 61 20 72 65 73 75 6c 74 | 2c 20 74 68 69 73 20 64 |a result|, this d| |00000730| 6f 63 75 6d 65 6e 74 20 | 63 6f 6e 63 65 72 6e 73 |ocument |concerns| |00000740| 20 69 74 73 65 6c 66 20 | 70 72 69 6d 61 72 69 6c | itself |primaril| |00000750| 79 20 77 69 74 68 20 68 | 6f 77 20 74 6f 20 63 61 |y with h|ow to ca| |00000760| 70 74 75 72 65 20 51 75 | 69 63 6b 54 69 6d 65 20 |pture Qu|ickTime | |00000770| 6d 6f 76 69 65 73 2e 20 | 54 68 65 20 61 63 71 75 |movies. |The acqu| |00000780| 69 73 69 74 69 6f 6e 20 | 70 72 6f 63 65 73 73 20 |isition |process | |00000790| 69 73 20 72 65 76 69 65 | 77 65 64 20 69 6e 20 64 |is revie|wed in d| |000007a0| 65 74 61 69 6c 2c 20 61 | 6e 64 20 69 6e 20 61 20 |etail, a|nd in a | |000007b0| 6c 61 74 65 72 20 73 65 | 63 74 69 6f 6e 2c 20 20 |later se|ction, | |000007c0| 73 70 65 63 69 66 69 63 | 20 63 61 70 74 75 72 65 |specific| capture| |000007d0| 20 74 6f 6f 6c 73 20 61 | 72 65 20 64 69 73 63 75 | tools a|re discu| |000007e0| 73 73 65 64 20 77 68 69 | 63 68 20 69 6d 70 6c 65 |ssed whi|ch imple| |000007f0| 6d 65 6e 74 20 74 68 65 | 73 65 20 6d 65 74 68 6f |ment the|se metho| |00000800| 64 73 2e 20 54 68 65 20 | 70 72 6f 63 65 73 73 20 |ds. The |process | |00000810| 6f 66 20 63 61 70 74 75 | 72 65 20 66 72 6f 6d 20 |of captu|re from | |00000820| 61 6e 61 6c 6f 67 20 76 | 69 64 65 6f 20 73 6f 75 |analog v|ideo sou| |00000830| 72 63 65 73 2c 20 61 73 | 20 77 65 6c 6c 20 61 73 |rces, as| well as| |00000840| 20 74 68 65 20 63 72 65 | 61 74 69 6f 6e 20 6f 66 | the cre|ation of| |00000850| 20 61 20 51 75 69 63 6b | 54 69 6d 65 20 6d 6f 76 | a Quick|Time mov| |00000860| 69 65 20 66 72 6f 6d 20 | 73 6f 75 72 63 65 20 64 |ie from |source d| |00000870| 61 74 61 20 74 68 61 74 | 20 61 6c 72 65 61 64 79 |ata that| already| |00000880| 20 69 73 20 69 6e 20 64 | 69 67 69 74 61 6c 20 66 | is in d|igital f| |00000890| 6f 72 6d 20 69 73 20 63 | 6f 6e 73 69 64 65 72 65 |orm is c|onsidere| |000008a0| 64 2e 20 51 75 69 63 6b | 54 69 6d 65 20 70 65 72 |d. Quick|Time per| |000008b0| 6d 69 74 73 20 63 61 70 | 74 75 72 65 20 6f 66 20 |mits cap|ture of | |000008c0| 61 6e 61 6c 6f 67 20 76 | 69 64 65 6f 20 75 73 69 |analog v|ideo usi| |000008d0| 6e 67 20 65 69 74 68 65 | 72 20 73 6f 66 74 77 61 |ng eithe|r softwa| |000008e0| 72 65 20 6f 72 20 68 61 | 72 64 77 61 72 65 20 63 |re or ha|rdware c| |000008f0| 6f 6d 70 72 65 73 73 69 | 6f 6e 20 74 65 63 68 6e |ompressi|on techn| |00000900| 69 71 75 65 73 2e 20 41 | 6c 74 68 6f 75 67 68 20 |iques. A|lthough | |00000910| 74 68 69 73 20 64 6f 63 | 75 6d 65 6e 74 20 74 65 |this doc|ument te| |00000920| 6e 64 73 20 74 6f 20 66 | 6f 63 75 73 20 6d 6f 72 |nds to f|ocus mor| |00000930| 65 20 6f 6e 20 73 6f 66 | 74 77 61 72 65 2d 62 61 |e on sof|tware-ba| |00000940| 73 65 64 20 63 6f 6d 70 | 72 65 73 73 69 6f 6e 20 |sed comp|ression | |00000950| 63 61 70 74 75 72 65 20 | 69 73 73 75 65 73 2c 20 |capture |issues, | |00000960| 74 68 65 20 6f 76 65 72 | 61 6c 6c 20 61 70 70 72 |the over|all appr| |00000970| 6f 61 63 68 20 61 6e 64 | 20 64 69 73 63 75 73 73 |oach and| discuss| |00000980| 69 6f 6e 20 69 73 20 72 | 65 6c 65 76 61 6e 74 20 |ion is r|elevant | |00000990| 74 6f 20 62 6f 74 68 20 | 73 6f 66 74 77 61 72 65 |to both |software| |000009a0| 20 61 6e 64 20 68 61 72 | 64 77 61 72 65 20 6d 65 | and har|dware me| |000009b0| 74 68 6f 64 73 20 6f 66 | 20 61 63 71 75 69 73 69 |thods of| acquisi| |000009c0| 74 69 6f 6e 2e 0d 4d 6f | 76 69 65 73 20 63 61 70 |tion..Mo|vies cap| |000009d0| 74 75 72 65 64 20 66 72 | 6f 6d 20 61 6e 61 6c 6f |tured fr|om analo| |000009e0| 67 20 76 69 64 65 6f 2c | 20 63 61 6e 20 62 65 20 |g video,| can be | |000009f0| 61 63 71 75 69 72 65 64 | 20 65 69 74 68 65 72 20 |acquired| either | |00000a00| 69 6e 20 72 65 61 6c 2d | 74 69 6d 65 20 28 22 6c |in real-|time ("l| |00000a10| 69 76 65 22 29 2c 20 6f | 72 20 69 6e 20 6e 6f 6e |ive"), o|r in non| |00000a20| 20 72 65 61 6c 2d 74 69 | 6d 65 20 28 22 63 6f 6e | real-ti|me ("con| |00000a30| 74 72 6f 6c 6c 65 64 22 | 29 2e 20 4d 6f 76 69 65 |trolled"|). 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Fi|gure 1 i| |00000b10| 6c 6c 75 73 74 72 61 74 | 65 73 20 74 68 65 20 66 |llustrat|es the f| |00000b20| 6f 75 72 20 6b 65 79 20 | 6d 65 74 68 6f 64 73 20 |our key |methods | |00000b30| 62 79 20 77 68 69 63 68 | 20 51 75 69 63 6b 54 69 |by which| QuickTi| |00000b40| 6d 65 20 6d 6f 76 69 65 | 73 20 61 72 65 20 6d 61 |me movie|s are ma| |00000b50| 64 65 2e 20 54 68 65 20 | 63 75 72 72 65 6e 74 20 |de. The |current | |00000b60| 66 6f 63 75 73 20 77 69 | 6c 6c 20 62 65 20 6f 6e |focus wi|ll be on| |00000b70| 20 63 72 65 61 74 69 6e | 67 20 51 75 69 63 6b 54 | creatin|g QuickT| |00000b80| 69 6d 65 20 6d 6f 76 69 | 65 73 20 74 68 61 74 20 |ime movi|es that | |00000b90| 77 69 6c 6c 20 70 6c 61 | 79 20 62 61 63 6b 20 77 |will pla|y back w| |00000ba0| 65 6c 6c 20 66 72 6f 6d | 20 65 69 74 68 65 72 20 |ell from| either | |00000bb0| 68 61 72 64 20 64 69 73 | 6b 20 6f 72 20 43 44 52 |hard dis|k or CDR| |00000bc0| 4f 4d 2e 0d 46 69 67 75 | 72 65 20 31 2e 20 54 68 |OM..Figu|re 1. Th| |00000bd0| 65 72 65 20 61 72 65 20 | 66 6f 75 72 20 6d 65 74 |ere are |four met| |00000be0| 68 6f 64 73 20 74 68 61 | 74 20 63 61 6e 20 62 65 |hods tha|t can be| |00000bf0| 20 75 73 65 64 20 74 6f | 20 67 65 6e 65 72 61 74 | used to| generat| |00000c00| 65 20 61 20 51 75 69 63 | 6b 54 69 6d 65 20 6d 6f |e a Quic|kTime mo| |00000c10| 76 69 65 3a 20 6c 69 76 | 65 20 63 61 70 74 75 72 |vie: liv|e captur| |00000c20| 65 2c 20 63 6f 6e 74 72 | 6f 6c 6c 65 64 20 63 61 |e, contr|olled ca| |00000c30| 70 74 75 72 65 2c 20 63 | 6f 6e 76 65 72 73 69 6f |pture, c|onversio| |00000c40| 6e 20 66 72 6f 6d 20 50 | 49 43 53 2c 50 49 43 54 |n from P|ICS,PICT| |00000c50| 2c 53 63 72 61 70 62 6f | 6f 6b 20 6f 72 20 6f 74 |,Scrapbo|ok or ot| |00000c60| 68 65 72 20 64 69 67 69 | 74 61 6c 20 69 6d 61 67 |her digi|tal imag| |00000c70| 65 2f 73 65 71 75 65 6e | 63 65 20 66 6f 72 6d 61 |e/sequen|ce forma| |00000c80| 74 73 2c 20 61 6e 64 20 | 74 72 61 6e 73 63 6f 64 |ts, and |transcod| |00000c90| 69 6e 67 2e 0d 54 68 69 | 73 20 64 6f 63 75 6d 65 |ing..Thi|s docume| |00000ca0| 6e 74 20 72 65 76 69 65 | 77 73 20 61 6c 6c 20 6f |nt revie|ws all o| |00000cb0| 66 20 74 68 65 20 64 65 | 74 61 69 6c 73 20 61 6e |f the de|tails an| |00000cc0| 64 20 69 73 73 75 65 73 | 20 69 6e 76 6f 6c 76 65 |d issues| involve| |00000cd0| 64 20 69 6e 20 62 6f 74 | 68 20 74 68 65 20 61 6e |d in bot|h the an| |00000ce0| 61 6c 6f 67 20 61 6e 64 | 20 64 69 67 69 74 61 6c |alog and| digital| |00000cf0| 20 76 69 64 65 6f 20 61 | 63 71 75 69 73 69 74 69 | video a|cquisiti| |00000d00| 6f 6e 20 70 72 6f 63 65 | 73 73 2e 20 46 6f 72 20 |on proce|ss. 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If | |000034d0| 64 65 63 69 6d 61 74 69 | 6f 6e 20 69 73 20 61 63 |decimati|on is ac| |000034e0| 63 6f 6d 70 61 6e 69 65 | 64 20 62 79 20 61 76 65 |companie|d by ave| |000034f0| 72 61 67 69 6e 67 20 74 | 6f 67 65 74 68 65 72 20 |raging t|ogether | |00003500| 61 6c 6c 20 6f 66 20 74 | 68 65 20 70 69 78 65 6c |all of t|he pixel| |00003510| 73 20 69 6e 20 61 20 73 | 75 72 72 6f 75 6e 64 69 |s in a s|urroundi| |00003520| 6e 67 20 6e 65 69 67 68 | 62 6f 72 68 6f 6f 64 20 |ng neigh|borhood | |00003530| 74 6f 20 67 65 6e 65 72 | 61 74 65 20 74 68 65 20 |to gener|ate the | |00003540| 6c 6f 77 20 72 65 73 6f | 6c 75 74 69 6f 6e 20 69 |low reso|lution i| |00003550| 6d 61 67 65 20 28 63 61 | 6c 6c 65 64 20 d2 66 69 |mage (ca|lled .fi| |00003560| 6c 74 65 72 69 6e 67 20 | 64 6f 77 6e 73 61 6d 70 |ltering |downsamp| |00003570| 6c 69 6e 67 d3 29 2c 20 | 74 68 65 6e 20 74 68 65 |ling.), |then the| |00003580| 20 70 69 63 74 75 72 65 | 20 71 75 61 6c 69 74 79 | picture| quality| |00003590| 20 73 68 6f 75 6c 64 20 | 62 65 20 71 75 69 74 65 | should |be quite| |000035a0| 20 67 6f 6f 64 2e 20 49 | 74 20 69 73 20 69 6d 70 | good. I|t is imp| |000035b0| 6f 72 74 61 6e 74 20 74 | 6f 20 6e 6f 74 65 20 77 |ortant t|o note w| |000035c0| 68 69 63 68 20 6f 66 20 | 74 68 65 73 65 20 74 77 |hich of |these tw| |000035d0| 6f 20 61 70 70 72 6f 61 | 63 68 65 73 20 69 73 20 |o approa|ches is | |000035e0| 74 61 6b 65 6e 20 62 79 | 20 74 68 65 20 76 69 64 |taken by| the vid| |000035f0| 65 6f 20 64 69 67 69 74 | 69 7a 65 72 20 79 6f 75 |eo digit|izer you| |00003600| 20 77 69 6c 6c 20 75 73 | 65 20 69 6e 20 79 6f 75 | will us|e in you| |00003610| 72 20 77 6f 72 6b 2e 20 | 54 68 65 20 6d 65 74 68 |r work. |The meth| |00003620| 6f 64 20 62 79 20 77 68 | 69 63 68 20 74 68 65 20 |od by wh|ich the | |00003630| 64 69 67 69 74 69 7a 65 | 72 20 72 65 73 69 7a 65 |digitize|r resize| |00003640| 73 20 74 68 65 20 69 6e | 63 6f 6d 69 6e 67 20 76 |s the in|coming v| |00003650| 69 64 65 6f 20 73 69 67 | 6e 61 6c 20 28 69 6e 20 |ideo sig|nal (in | |00003660| 4e 54 53 43 2c 20 50 41 | 4c 20 6f 72 20 53 45 43 |NTSC, PA|L or SEC| |00003670| 41 4d 29 2c 20 77 69 6c | 6c 20 73 74 72 6f 6e 67 |AM), wil|l strong| |00003680| 6c 79 20 61 66 66 65 63 | 74 20 74 68 65 20 71 75 |ly affec|t the qu| |00003690| 61 6c 69 74 79 20 6f 66 | 20 74 68 65 20 72 65 73 |ality of| the res| |000036a0| 75 6c 74 73 2e 20 41 20 | 76 69 64 65 6f 20 64 69 |ults. A |video di| |000036b0| 67 69 74 69 7a 65 72 20 | 74 68 61 74 20 75 73 65 |gitizer |that use| |000036c0| 73 20 66 69 6c 74 65 72 | 65 64 20 64 6f 77 6e 73 |s filter|ed downs| |000036d0| 61 6d 70 6c 69 6e 67 20 | 74 6f 20 6f 62 74 61 69 |ampling |to obtai| |000036e0| 6e 20 74 68 65 20 62 65 | 73 74 20 69 6d 61 67 65 |n the be|st image| |000036f0| 20 71 75 61 6c 69 74 79 | 20 69 73 20 72 65 63 6f | quality| is reco| |00003700| 6d 6d 65 6e 64 65 64 2c | 20 69 66 20 61 76 61 69 |mmended,| if avai| |00003710| 6c 61 62 6c 65 20 61 6e | 64 20 63 6f 73 74 20 65 |lable an|d cost e| |00003720| 66 66 65 63 74 69 76 65 | 20 66 6f 72 20 63 61 70 |ffective| for cap| |00003730| 74 75 72 65 20 70 75 72 | 70 6f 73 65 73 2e 0d a5 |ture pur|poses...| |00003740| 20 53 70 65 65 64 20 6f | 66 20 64 69 67 69 74 69 | Speed o|f digiti| |00003750| 7a 69 6e 67 20 6f 6e 65 | 20 66 75 6c 6c 20 66 72 |zing one| full fr| |00003760| 61 6d 65 20 6f 66 20 76 | 69 64 65 6f 2e 20 44 69 |ame of v|ideo. Di| |00003770| 66 66 65 72 65 6e 74 20 | 64 69 67 69 74 69 7a 65 |fferent |digitize| |00003780| 72 73 20 63 61 6e 20 61 | 63 71 75 69 72 65 20 61 |rs can a|cquire a| |00003790| 74 20 64 69 66 66 65 72 | 65 6e 74 20 73 70 65 65 |t differ|ent spee| |000037a0| 64 73 2e 20 46 6f 72 20 | 65 78 61 6d 70 6c 65 2c |ds. For |example,| |000037b0| 20 73 6f 6d 65 20 64 69 | 67 69 74 69 7a 65 72 73 | some di|gitizers| |000037c0| 20 77 69 6c 6c 20 74 61 | 6b 65 20 6d 6f 72 65 20 | will ta|ke more | |000037d0| 74 68 61 6e 20 6f 6e 65 | 20 73 65 63 6f 6e 64 20 |than one| second | |000037e0| 74 6f 20 61 63 71 75 69 | 72 65 20 61 20 66 75 6c |to acqui|re a ful| |000037f0| 6c 20 72 65 73 6f 6c 75 | 74 69 6f 6e 20 76 69 64 |l resolu|tion vid| |00003800| 65 6f 20 66 72 61 6d 65 | 2c 20 77 68 65 72 65 61 |eo frame|, wherea| |00003810| 73 20 6f 74 68 65 72 73 | 20 63 61 6e 20 63 61 70 |s others| can cap| |00003820| 74 75 72 65 20 74 68 61 | 74 20 73 61 6d 65 20 66 |ture tha|t same f| |00003830| 72 61 6d 65 20 69 6e 20 | 75 6e 64 65 72 20 31 2f |rame in |under 1/| |00003840| 33 30 74 68 20 6f 66 20 | 61 20 73 65 63 6f 6e 64 |30th of |a second| |00003850| 2e 20 44 69 67 69 74 69 | 7a 65 72 73 20 74 68 61 |. Digiti|zers tha| |00003860| 74 20 63 61 6e 20 61 63 | 71 75 69 72 65 20 6f 6e |t can ac|quire on| |00003870| 65 20 66 72 61 6d 65 20 | 69 6e 20 31 2f 33 30 74 |e frame |in 1/30t| |00003880| 68 20 6f 66 20 61 20 73 | 65 63 6f 6e 64 20 61 72 |h of a s|econd ar| |00003890| 65 20 72 65 63 6f 6d 6d | 65 6e 64 65 64 2c 20 61 |e recomm|ended, a| |000038a0| 73 20 74 68 69 73 20 77 | 69 6c 6c 20 61 63 63 65 |s this w|ill acce| |000038b0| 6c 65 72 61 74 65 20 74 | 68 65 20 61 63 71 75 69 |lerate t|he acqui| |000038c0| 73 69 74 69 6f 6e 20 70 | 72 6f 63 65 73 73 2e 20 |sition p|rocess. | |000038d0| 54 68 65 20 73 6c 6f 77 | 65 72 20 74 68 65 20 64 |The slow|er the d| |000038e0| 69 67 69 74 69 7a 65 72 | 20 69 73 2c 20 74 68 65 |igitizer| is, the| |000038f0| 20 6c 6f 6e 67 65 72 20 | 74 68 65 20 63 61 70 74 | longer |the capt| |00003900| 75 72 65 20 70 72 6f 63 | 65 73 73 20 77 69 6c 6c |ure proc|ess will| |00003910| 20 74 61 6b 65 2e 20 49 | 66 20 74 68 65 20 76 69 | take. I|f the vi| |00003920| 64 65 6f 20 64 69 67 69 | 74 69 7a 65 72 20 69 73 |deo digi|tizer is| |00003930| 20 6e 6f 74 20 63 61 70 | 61 62 6c 65 20 6f 66 20 | not cap|able of | |00003940| 31 35 20 66 70 73 20 6f | 72 20 62 65 74 74 65 72 |15 fps o|r better| |00003950| 20 64 69 67 69 74 69 7a | 69 6e 67 2c 20 74 68 65 | digitiz|ing, the| |00003960| 6e 20 72 65 61 6c 2d 74 | 69 6d 65 20 63 61 70 74 |n real-t|ime capt| |00003970| 75 72 65 20 77 69 74 68 | 20 74 68 65 20 64 69 67 |ure with| the dig| |00003980| 69 74 69 7a 65 72 20 6d | 61 79 20 6e 6f 74 20 62 |itizer m|ay not b| |00003990| 65 20 70 6f 73 73 69 62 | 6c 65 2e 0d a5 20 42 69 |e possib|le... Bi| |000039a0| 74 20 64 65 70 74 68 73 | 20 61 74 20 77 68 69 63 |t depths| at whic| |000039b0| 68 20 76 69 64 65 6f 20 | 63 61 6e 20 62 65 20 61 |h video |can be a| |000039c0| 63 71 75 69 72 65 64 20 | 28 69 2e 65 2e 2c 38 2c |cquired |(i.e.,8,| |000039d0| 31 36 2c 32 34 29 2e 20 | 4d 6f 73 74 20 76 69 64 |16,24). |Most vid| |000039e0| 65 6f 20 64 69 67 69 74 | 69 7a 65 72 73 20 77 69 |eo digit|izers wi| |000039f0| 6c 6c 20 73 75 70 70 6f | 72 74 20 74 77 65 6e 74 |ll suppo|rt twent| |00003a00| 79 2d 66 6f 75 72 20 62 | 69 74 73 20 70 65 72 20 |y-four b|its per | |00003a10| 70 69 78 65 6c 2c 20 77 | 68 69 63 68 20 77 69 6c |pixel, w|hich wil| |00003a20| 6c 20 70 72 6f 64 75 63 | 65 20 67 6f 6f 64 20 69 |l produc|e good i| |00003a30| 6d 61 67 65 20 71 75 61 | 6c 69 74 79 20 66 6f 72 |mage qua|lity for| |00003a40| 20 73 74 61 6e 64 61 72 | 64 20 61 6e 61 6c 6f 67 | standar|d analog| |00003a50| 20 73 6f 75 72 63 65 20 | 6d 61 74 65 72 69 61 6c | source |material| |00003a60| 2e 20 48 6f 77 65 76 65 | 72 2c 20 76 69 64 65 6f |. Howeve|r, video| |00003a70| 20 69 6d 61 67 65 73 20 | 63 61 6e 20 62 65 20 76 | images |can be v| |00003a80| 65 72 79 20 77 65 6c 6c | 20 72 65 70 72 65 73 65 |ery well| represe| |00003a90| 6e 74 65 64 20 77 69 74 | 68 20 73 69 78 74 65 65 |nted wit|h sixtee| |00003aa0| 6e 20 62 69 74 73 20 70 | 65 72 20 70 69 78 65 6c |n bits p|er pixel| |00003ab0| 2e 20 46 6f 72 20 74 68 | 69 73 20 72 65 61 73 6f |. For th|is reaso| |00003ac0| 6e 2c 20 77 65 20 63 61 | 6e 20 72 65 63 6f 6d 6d |n, we ca|n recomm| |00003ad0| 65 6e 64 20 64 69 67 69 | 74 69 7a 61 74 69 6f 6e |end digi|tization| |00003ae0| 20 61 74 20 20 73 69 78 | 74 65 65 6e 20 62 69 74 | at six|teen bit| |00003af0| 73 2c 20 73 69 6e 63 65 | 20 67 6f 6f 64 20 71 75 |s, since| good qu| |00003b00| 61 6c 69 74 79 20 69 6d | 61 67 65 73 20 61 72 65 |ality im|ages are| |00003b10| 20 73 74 69 6c 6c 20 70 | 6f 73 73 69 62 6c 65 2c | still p|ossible,| |00003b20| 20 61 6e 64 20 75 73 65 | 20 6f 66 20 73 69 78 74 | and use| of sixt| |00003b30| 65 65 6e 20 62 69 74 73 | 20 72 65 64 75 63 65 73 |een bits| reduces| |00003b40| 20 62 6f 74 68 20 63 6f | 73 74 20 61 6e 64 20 62 | both co|st and b| |00003b50| 61 6e 64 77 69 64 74 68 | 2e 20 54 77 65 6e 74 79 |andwidth|. Twenty| |00003b60| 2d 66 6f 75 72 20 62 69 | 74 73 20 77 69 6c 6c 20 |-four bi|ts will | |00003b70| 73 74 69 6c 6c 20 70 72 | 6f 64 75 63 65 20 62 65 |still pr|oduce be| |00003b80| 74 74 65 72 20 70 69 63 | 74 75 72 65 20 71 75 61 |tter pic|ture qua| |00003b90| 6c 69 74 79 2c 20 62 75 | 74 20 74 68 65 20 64 65 |lity, bu|t the de| |00003ba0| 6c 74 61 20 69 6d 70 72 | 6f 76 65 6d 65 6e 74 20 |lta impr|ovement | |00003bb0| 69 6e 20 71 75 61 6c 69 | 74 79 20 69 73 20 6e 6f |in quali|ty is no| |00003bc0| 74 20 64 72 61 6d 61 74 | 69 63 2e 20 45 69 67 68 |t dramat|ic. Eigh| |00003bd0| 74 20 62 69 74 20 70 65 | 72 20 70 69 78 65 6c 20 |t bit pe|r pixel | |00003be0| 76 69 64 65 6f 20 64 6f | 65 20 6e 6f 74 20 72 65 |video do|e not re| |00003bf0| 70 72 65 73 65 6e 74 20 | 74 68 65 20 66 75 6c 6c |present |the full| |00003c00| 20 72 61 6e 67 65 20 6f | 66 20 63 6f 6c 6f 72 73 | range o|f colors| |00003c10| 20 70 72 65 73 65 6e 74 | 20 69 6e 20 74 68 65 20 | present| in the | |00003c20| 73 69 67 6e 61 6c 2c 20 | 62 75 74 20 63 61 6e 20 |signal, |but can | |00003c30| 62 65 20 75 73 65 64 20 | 69 6e 20 63 65 72 74 61 |be used |in certa| |00003c40| 69 6e 20 63 69 72 63 75 | 6d 73 74 61 6e 63 65 73 |in circu|mstances| |00003c50| 2e 0d a5 20 56 69 64 65 | 6f 20 73 69 67 6e 61 6c |... Vide|o signal| |00003c60| 73 20 73 75 70 70 6f 72 | 74 65 64 20 28 63 6f 6d |s suppor|ted (com| |00003c70| 70 6f 73 69 74 65 2c 53 | 2d 76 69 64 65 6f 2c 63 |posite,S|-video,c| |00003c80| 6f 6d 70 6f 6e 65 6e 74 | 29 2e 20 54 68 65 20 68 |omponent|). The h| |00003c90| 69 67 68 65 73 74 20 71 | 75 61 6c 69 74 79 20 76 |ighest q|uality v| |00003ca0| 69 64 65 6f 20 77 69 6c | 6c 20 62 65 20 6f 62 74 |ideo wil|l be obt| |00003cb0| 61 69 6e 65 64 20 28 72 | 61 6e 6b 65 64 20 66 72 |ained (r|anked fr| |00003cc0| 6f 6d 20 62 65 73 74 20 | 74 6f 20 77 6f 72 73 74 |om best |to worst| |00003cd0| 29 20 77 69 74 68 20 63 | 6f 6d 70 6f 6e 65 6e 74 |) with c|omponent| |00003ce0| 2c 20 20 53 2d 76 69 64 | 65 6f 20 61 6e 64 20 63 |, S-vid|eo and c| |00003cf0| 6f 6d 70 6f 73 69 74 65 | 2e 20 41 6e 20 69 64 65 |omposite|. An ide| |00003d00| 61 6c 20 73 69 74 75 61 | 74 69 6f 6e 20 77 6f 75 |al situa|tion wou| |00003d10| 6c 64 20 61 6c 6c 6f 77 | 20 75 73 61 67 65 20 6f |ld allow| usage o| |00003d20| 66 20 61 6e 79 20 6f 66 | 20 74 68 65 73 65 20 73 |f any of| these s| |00003d30| 69 67 6e 61 6c 20 66 6f | 72 6d 61 74 73 20 6f 6e |ignal fo|rmats on| |00003d40| 20 6f 6e 65 20 76 69 64 | 65 6f 20 64 69 67 69 74 | one vid|eo digit| |00003d50| 69 7a 65 72 2c 20 62 75 | 74 20 74 68 69 73 20 77 |izer, bu|t this w| |00003d60| 69 6c 6c 20 76 61 72 79 | 20 61 6d 6f 6e 67 20 64 |ill vary| among d| |00003d70| 69 66 66 65 72 65 6e 74 | 20 70 72 6f 64 75 63 74 |ifferent| product| |00003d80| 73 2e 20 41 6c 6d 6f 73 | 74 20 61 6c 6c 20 76 69 |s. Almos|t all vi| |00003d90| 64 65 6f 20 64 69 67 69 | 74 69 7a 65 72 73 20 73 |deo digi|tizers s| |00003da0| 75 70 70 6f 72 74 20 63 | 6f 6d 70 6f 73 69 74 65 |upport c|omposite| |00003db0| 20 76 69 64 65 6f 2c 20 | 61 6e 64 20 73 6f 6d 65 | video, |and some| |00003dc0| 20 73 75 70 70 6f 72 74 | 20 53 2d 76 69 64 65 6f | support| S-video| |00003dd0| 2e 20 53 2d 76 69 64 65 | 6f 20 73 75 70 70 6f 72 |. S-vide|o suppor| |00003de0| 74 20 69 73 20 64 65 73 | 69 72 61 62 6c 65 2c 20 |t is des|irable, | |00003df0| 73 69 6e 63 65 20 69 74 | 20 69 73 20 61 20 70 6f |since it| is a po| |00003e00| 70 75 6c 61 72 2c 20 6c | 6f 77 2d 63 6f 73 74 20 |pular, l|ow-cost | |00003e10| 66 6f 72 6d 61 74 20 74 | 68 61 74 20 61 63 68 69 |format t|hat achi| |00003e20| 65 76 65 73 20 68 69 67 | 68 65 72 20 70 69 63 74 |eves hig|her pict| |00003e30| 75 72 65 20 71 75 61 6c | 69 74 79 2e 20 49 74 20 |ure qual|ity. It | |00003e40| 73 68 6f 75 6c 64 20 61 | 6c 73 6f 20 62 65 20 6e |should a|lso be n| |00003e50| 6f 74 65 64 20 69 66 20 | 74 68 65 72 65 20 69 73 |oted if |there is| |00003e60| 20 4e 54 53 43 2c 20 50 | 41 4c 20 61 6e 64 20 53 | NTSC, P|AL and S| |00003e70| 45 43 41 4d 20 73 75 70 | 70 6f 72 74 20 66 6f 72 |ECAM sup|port for| |00003e80| 20 74 68 65 20 64 69 67 | 69 74 69 7a 65 72 20 75 | the dig|itizer u| |00003e90| 6e 64 65 72 20 63 6f 6e | 73 69 64 65 72 61 74 69 |nder con|siderati| |00003ea0| 6f 6e 2e 0d a5 20 76 69 | 64 65 6f 20 72 65 73 6f |on... vi|deo reso| |00003eb0| 6c 75 74 69 6f 6e 0d 54 | 68 65 72 65 20 61 72 65 |lution.T|here are| |00003ec0| 20 61 20 6e 75 6d 62 65 | 72 20 6f 66 20 66 61 63 | a numbe|r of fac| |00003ed0| 74 6f 72 73 20 74 68 61 | 74 20 63 61 6e 20 62 65 |tors tha|t can be| |00003ee0| 20 6d 6f 64 69 66 69 65 | 64 20 61 66 66 65 63 74 | modifie|d affect| |00003ef0| 69 6e 67 20 76 69 64 65 | 6f 20 72 65 73 6f 6c 75 |ing vide|o resolu| |00003f00| 74 69 6f 6e 20 64 75 72 | 69 6e 67 20 74 68 65 20 |tion dur|ing the | |00003f10| 63 61 70 74 75 72 65 20 | 70 72 6f 63 65 73 73 2e |capture |process.| |00003f20| 20 46 6f 72 20 65 78 61 | 6d 70 6c 65 2c 20 74 68 | For exa|mple, th| |00003f30| 65 20 76 69 64 65 6f 20 | 6d 61 79 20 62 65 20 64 |e video |may be d| |00003f40| 69 67 69 74 69 7a 65 64 | 20 61 74 20 61 20 68 69 |igitized| at a hi| |00003f50| 67 68 20 73 6f 75 72 63 | 65 20 72 65 73 6f 6c 75 |gh sourc|e resolu| |00003f60| 74 69 6f 6e 2e 20 41 6e | 20 61 72 65 61 20 66 72 |tion. An| area fr| |00003f70| 6f 6d 20 77 69 74 68 69 | 6e 20 74 68 69 73 20 68 |om withi|n this h| |00003f80| 69 67 68 20 72 65 73 6f | 6c 75 74 69 6f 6e 20 73 |igh reso|lution s| |00003f90| 6f 75 72 63 65 20 6d 61 | 79 20 74 68 65 6e 20 62 |ource ma|y then b| |00003fa0| 65 20 65 78 74 72 61 63 | 74 65 64 20 28 22 63 72 |e extrac|ted ("cr| |00003fb0| 6f 70 70 65 64 22 29 2c | 20 61 6e 64 20 74 68 65 |opped"),| and the| |00003fc0| 6e 20 74 68 69 73 20 61 | 72 65 61 20 72 65 73 69 |n this a|rea resi| |00003fd0| 7a 65 64 20 74 6f 20 61 | 20 64 65 73 74 69 6e 61 |zed to a| destina| |00003fe0| 74 69 6f 6e 20 72 65 73 | 6f 6c 75 74 69 6f 6e 2c |tion res|olution,| |00003ff0| 20 77 68 69 63 68 20 69 | 73 20 6c 61 72 67 65 72 | which i|s larger| |00004000| 20 6f 72 20 73 6d 61 6c | 6c 65 72 20 74 68 61 6e | or smal|ler than| |00004010| 20 74 68 65 20 73 69 7a | 65 20 6f 66 20 74 68 65 | the siz|e of the| |00004020| 20 63 72 6f 70 70 65 64 | 20 72 65 67 69 6f 6e 20 | cropped| region | |00004030| 69 6e 20 74 68 65 20 73 | 6f 75 72 63 65 20 69 6d |in the s|ource im| |00004040| 61 67 65 2e 20 54 68 69 | 73 20 73 63 65 6e 61 72 |age. Thi|s scenar| |00004050| 69 6f 20 69 73 20 64 65 | 6d 6f 6e 73 74 72 61 74 |io is de|monstrat| |00004060| 65 64 20 69 6e 20 46 69 | 67 75 72 65 20 33 2e 0d |ed in Fi|gure 3..| |00004070| 46 69 67 75 72 65 20 33 | 2e 20 54 68 69 73 20 66 |Figure 3|. This f| |00004080| 69 67 75 72 65 20 69 6c | 6c 75 73 74 72 61 74 65 |igure il|lustrate| |00004090| 73 20 74 68 65 20 75 73 | 61 67 65 20 6f 66 20 63 |s the us|age of c| |000040a0| 72 6f 70 70 69 6e 67 2c | 20 72 65 73 69 7a 69 6e |ropping,| resizin| |000040b0| 67 20 61 6e 64 20 70 69 | 78 65 6c 20 62 69 74 20 |g and pi|xel bit | |000040c0| 64 65 70 74 68 20 63 6f | 6e 76 65 72 73 69 6f 6e |depth co|nversion| |000040d0| 20 64 75 72 69 6e 67 20 | 74 68 65 20 70 72 6f 63 | during |the proc| |000040e0| 65 73 73 20 6f 66 20 73 | 65 74 74 69 6e 67 20 74 |ess of s|etting t| |000040f0| 68 65 20 76 69 64 65 6f | 20 72 65 73 6f 6c 75 74 |he video| resolut| |00004100| 69 6f 6e 2e 20 49 6e 20 | 74 68 65 20 64 69 61 67 |ion. In |the diag| |00004110| 72 61 6d 2c 20 74 68 65 | 20 73 6f 75 72 63 65 20 |ram, the| source | |00004120| 68 6f 72 69 7a 6f 6e 74 | 61 6c 20 61 6e 64 20 76 |horizont|al and v| |00004130| 65 72 74 69 63 61 6c 20 | 72 65 73 6f 6c 75 74 69 |ertical |resoluti| |00004140| 6f 6e 20 69 73 20 73 65 | 74 20 74 6f 20 28 58 31 |on is se|t to (X1| |00004150| 2c 59 31 29 2e 20 54 68 | 65 20 70 69 78 65 6c 20 |,Y1). Th|e pixel | |00004160| 62 69 74 20 64 65 70 74 | 68 20 69 73 20 73 65 74 |bit dept|h is set| |00004170| 20 74 6f 20 5a 31 2e 20 | 54 68 65 20 64 65 73 74 | to Z1. |The dest| |00004180| 69 6e 61 74 69 6f 6e 20 | 76 69 64 65 6f 20 72 65 |ination |video re| |00004190| 73 6f 6c 75 74 69 6f 6e | 20 28 58 32 2c 59 32 2c |solution| (X2,Y2,| |000041a0| 5a 32 29 20 69 73 20 61 | 20 63 72 6f 70 70 65 64 |Z2) is a| cropped| |000041b0| 20 28 72 65 64 75 63 65 | 64 29 20 76 65 72 73 69 | (reduce|d) versi| |000041c0| 6f 6e 20 6f 66 20 74 68 | 65 20 73 6f 75 72 63 65 |on of th|e source| |000041d0| 20 69 6d 61 67 65 2c 20 | 77 68 69 63 68 20 68 61 | image, |which ha| |000041e0| 73 20 62 65 65 6e 20 72 | 65 73 69 7a 65 64 20 74 |s been r|esized t| |000041f0| 6f 20 61 20 72 65 73 6f | 6c 75 74 69 6f 6e 20 77 |o a reso|lution w| |00004200| 68 69 63 68 20 69 73 20 | 6c 61 72 67 65 72 20 74 |hich is |larger t| |00004210| 68 61 6e 20 74 68 65 20 | 6f 72 69 67 69 6e 61 6c |han the |original| |00004220| 20 73 6f 75 72 63 65 20 | 72 65 73 6f 6c 75 74 69 | source |resoluti| |00004230| 6f 6e 20 69 74 20 63 6f | 6d 65 73 20 66 72 6f 6d |on it co|mes from| |00004240| 2e 20 54 68 65 20 70 69 | 78 65 6c 20 62 69 74 20 |. 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He| |00005000| 6e 63 65 20 74 68 65 20 | 64 65 73 74 69 6e 61 74 |nce the |destinat| |00005010| 69 6f 6e 20 61 73 70 65 | 63 74 20 72 61 74 69 6f |ion aspe|ct ratio| |00005020| 20 77 69 6c 6c 20 62 65 | 20 32 3a 31 2c 20 65 76 | will be| 2:1, ev| |00005030| 65 6e 20 74 68 6f 75 67 | 68 20 74 68 65 20 73 6f |en thoug|h the so| |00005040| 75 72 63 65 20 69 73 20 | 34 3a 33 20 61 73 70 65 |urce is |4:3 aspe| |00005050| 63 74 20 72 61 74 69 6f | 2e 0d 09 09 09 0d 46 69 |ct ratio|......Fi| |00005060| 67 75 72 65 20 34 2e 20 | 48 65 72 65 20 77 65 20 |gure 4. |Here we | |00005070| 73 65 65 20 74 68 65 20 | 22 6c 65 74 74 65 72 62 |see the |"letterb| |00005080| 6f 78 22 20 66 6f 72 6d | 61 74 2c 20 66 6f 72 20 |ox" form|at, for | |00005090| 64 65 6c 69 76 65 72 69 | 6e 67 20 66 69 6c 6d 20 |deliveri|ng film | |000050a0| 6f 6e 20 4e 54 53 43 20 | 6c 61 73 65 72 64 69 73 |on NTSC |laserdis| |000050b0| 6b 2e 20 49 6e 20 74 68 | 69 73 20 63 61 73 65 2c |k. 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