1. ASF(Advanced
Streaming Format)
- : ó ͳ
ASF(Advanced Streaming Format) Ƽ̵ Ʈ ۼ ̴. ϰ, װ
Ŷ ϰ ִٰ ϸ ȴ. ASF ƴ϶ AVI MOV
(QuickTime), MPG(MPEG) ְޱ ̴. ASF Ե · ۼŵǴ ̴.
ϳ ASF
Ʈ ְ, װ Ÿ̹ Ӵ. ʴ ͵ ASF Ư¡. ƼijƮIP,
UDP, RTP, TCP, HTTP ȿ ̸ֻ鼭 ̿ ڵ ش. Ŭ̾Ʈ ۽ 䱸 (
) 켱 ƼijƮ ۽ ƮѴ. ƼijƮ ϴ Ʈũ ̰ ŸӾƿ ȴ.
UDP ̿ ۽ ƮѴ.
Ƽ̵ Ϳ
TCPٵ UDP ȿ ȹ κ UDP ̾ . UDP ŸӾƿ ϸ
TCP, HTTP , HTTP Ͻø ̿ ۼ õѴ. ־ , ִ ȯ游 Ǹ Ư
̵ Ƽ̵ Ʈ Ʈ ְ ش.
̷ Ʈ ۼȯ , ũμƮ ü ϸ鼭 (κ ۵ Ʈ ڴ ASF Ѵ) 忡 Ȯ ġ
ȮϷ ϰ ִ.
2. AVI(Audio Video
Interleaved)
3.1 ô뿡 (Video for Windows) 1.0 ù ̰ Ƽ̵ ǥ ڸƿ
AVI(Audio Video Interleaved) .
(Ų MOVϿ ̶ 嵵 ֽϴ.)
Ͱ (interleaved) ϵǾ ֱ AVI ǥѴٰ ϳ.
. MPG(MPEG : Moving
Picture Experts Group)
-"帲 ANIDREAM Խ" , "http://www.tomshardware.co.kr/" ο,
MPEG Ī "Moving Picture Experts Group" ǹմϴ.
MPEG ˿ 91 ü MPEG1 94 ۿ MPEG2 ֽϴ. (
MPEG-1,2,4,7 )
MPEG-1(DAT) CDݿ
̶ Ͻø ˴ϴ. , CD 1 CD-ROM ǽð ִ
Դϴ. ǽð ־ ϹǷ ũ⸦ ٿ ߴµ, DCT (Discrete
Cosine Transform)̶ Դϴ. , ϰ Ǹ ϰ · 100%
ϰ ϴ. ִ ξ Ŀ ... , ȭ ణ ȴٴ
Դϴ.
+ ڼ
̰ , ְ ̹ Ƽ ϸ, 뿪(1 MBit/s ְ
1.5 MBit/s) ϴ ̵ ñ׳η ϰ ϴ ̴. MPEG-1 ̹ ߸ 鼭
0.5 ̳ ϴ ϰ ϴ ̴.
MPEG-1 ڼ ػ
SIF(352x240)̸ ʴ 30Frame , 200:1 ִ. MPEG MPG
ϴ Ȯڸ MPEG 尡 ġ ǻͿ Ǵ μ CD Ȱϰ
ִ . 486 PC Ϻ , Ƽ 100MHz ̻ ǻ/ 16MB ̸̻ Ʈ ɶ.
MPEG 带 Ͽ Ϻ ̷. MPEG 95 ʰ , 98 ⺻
ϰ ִ.
MPEG-2 ȭ ؼ
ǥε. ̰ DVD ȭ ǰ .
+ ڼ
ǥ ⺻ MPEG-1 . ̰ 100 MBit/s ø , TV,
DVD-ROM ʸ, Ʃ ȴ. MPEG-2 ػ ϸ, д.
MPEG-1 Ǵ ̴. 䱸 ϰ Ǿ. MPEG-2
ϱ ϵ Ǿִ. ⼭ Ƽ 4MBit/s MPEG-1
.
MPEG-4(ASF)
̿ʹ , (PC ̳ ͳ ....) ǽð ٿε 鼭 ִ ݵ ϰ Ǿµ, ̰
Ҹ ǥԴϴ.
MPEG4 Ż ǽð ְ , ũ ؼ μ
䱸ϰ ˴ϴ. , ǻ ȭ ̰ų ڿ ʰ ˴ϴ.
+ ڼ
ص 10 KBit/s 1 MBit/s Ƽ
̴. , Ἲ ʿ, ν ̵ ſ ־ ߿ ϱ ߿ϴ.
MPEG-4 ο ̹ ü ּҸ ְų, ƴϸ ó
ü ٴ ̴.
MPEG-7 ֱ
MPEG йи Ʈ̴. ̰ Ƽ̵ ǥϴ ǥ̸, ٸ MPEG ǥذ ִ. MPEG-7
Ƹ 2001 Ǿ ǥ ö .
4. MOV
QuickTime翡 Ųÿ( ũ̼ ) ߵ Դϴ. پ ǥ Դϴ.
ǽð ȴٴ .
( Ųð پϴ. - Ų ּһ RAM 128M ٰ մϴ....64M̾...)
(MOV) ڵ Ŭ Quicktime Ųÿ x86ǻ(486,586..) ʿ ϱ
CD ŸƲ MOV ַ
5. FLC
-ó http://www.redsun.co.kr/
ִϸ̼ Ͽ ̴ Ŀ ũι̵(Macromedia) MMM 䵥ũ(Autodesk) FLI, FLC
ִ. FLC 䵥ũ ִϸ (Animator Pro) α 2 ִϸ̼ . ũμƮ FLC
Ƽ̵ ̼ ǥ äϿ FLCϷ ۼϴ ٸ α ȴ.
6. XDM
ũ(Xing Technology) ǥ Ʈ (StreamWorks) Ŀ ϴ
7. RM(Real Movie)
-ó http://www.redsun.co.kr/
̵ Ʈ Ŀ Ǵ . RA ͳ ϱ ߵǾ,
ϴ Ʈ ߵǾ. RA پ MP3 SWA ִ.
RA , ȭ . Ѵ ͳ ۿ ȴ. ־ٰ
8. VIV(VivoActive)
-Ʈ (http://www.x2web.com/)
ϳ A/V Streaming Solutionμ, ǰ Streaming ؼ Server ʾƵ ȴٴ
Solution̴. Ǹ ǰ߿ Serverǰ , Encoder ǸϹǷ, ٸ Solutionٴ ̰,
ϸ ִ ǰ̴. Server ʿ ȭ ٿ Ȱ A/V Ÿ ޱ ̴.
ڰ ؾϴ ش File 뿪 ° ֵ Encoder ֱ⸸ ϸ ȴ. ۵ Ÿ
ġ(Active X ڵ ġ) Player ˾Ƽ Decode ؼ ٷ ش. ΰ ϱ ʴ
Solution Netshow ƴ Encoder ϸ ǹǷ ̶ ִ. ̳ ұԸ 쿡
ϱ ϴ.Vivo ΰ? : ѿ( )
MOV AVI ü پ ȭ ϴ .VIV PC̳ ͳ CNN Ʈ(http://
www.cnn.com) Ǵ CNET Ʈ(http://www.cnet.com) ƴٴϴ mov avi ϻ̴ ϵ
viv Ϸ ڹٲ ִ ִ. viv 93 ȣ ó
ó Ƽ(VivoActive)簡 پ ȭ Ӱ ް ִ.
ͳݰ
ͳ PC ˸ Ѵ. 켱, PC Ųÿ ϴ Ÿ 졯
IBM ȣȯ PC ϴ 졯 ؼ, mpeg 1 mpeg2 ߵƴ. , ̵ ǥص Ÿ
̿ ǽð ο ΰ ƴϱ ͳ ̿Ͽ ϴ ǽð ̷ ʴ´.
, mov, avi, mpeg ũ Ͱ ϵũ ۵
ͳ ͽ÷η ÷ α ̿ؼ ϰ Ǵ ̴.
ͳݿ ؼ ð Ҿؾ ư, ʾ ʵ ʴ ϱ
ð ؾ Ǵ ־.
ó Ұ ̴ ͳ ǽð (streaming-video) ݽ, ũμƮ, αú
Ʈ ݼ ÷̾(Netshow Player) ̵̺(LiveMedia) (RealVideo) ǽð
ַ ǥ ̵ avi, mov mpeg ȿ ߴٴ ܿ Ư .
Ƽ(VivoAcitive)?
̷ ذ ٷ Ƽ̴. Ƽ꿡 ϴ (CODEC) Ʈũ( )
· ȣ õ , ITU-T(International Telecommunications Unions
Technology Sector) ϴ H.263̶ ˰ G.723̶ ˰ ̿Ѵ.
, H.263̶ ˰ DCT(Dicsrete Cosine Transform) ˰ ̶ ű ߵ
30MB avi 100KB ũ ִ ȹ ƴ϶ ʴ 2,000Ʈ ӵ
̿ ͳ ӿ ǽð ִ.
Ƽ ÷̾
, ó پ ڶϴ Ƽ ǿܷ ϴ. , ĸó带 ̿Ͽ ĸó avi
mov Ƽ Vivo Ʈϸ ȴ.
Ƽ ϱ ؼ 翬 ̾߱, Ƽ ÷̾ ־ ȴ. Ƽ ÷̾ 2.0 Ÿ 3(4 )
ִµ, Ƽ翡 5 ǥѴٰ Ѵ.
Ƽ翡 Ƽ ÷̾ 1.0 ǥ ָ 2.0 Ÿ ǥϸ鼭 ʹ .
, 2.0 1.x Ƽ̵ ְ ƴ. ̹ 2.0 ,
49×49 ȼ 352×288 ũ پ ϰ , 16Kbps FM
ÿ ְ ƴ. Ư, ƴ ġ ذ ִ ڵ (Automatic
Audio-Gain Adjustment) ſ پ ǰ ִ.
Ȩ Ƽ ϱ
ó ǥ ǽð ְ ڶϴ Ƽ Ȩ ϴ Ƿ ϴ. <Ʈ>
Ÿ ҽ pcline.viv ڰ ְ ϴ Ƽ ȴ. , Ȩ EMBED ±,
ͽ÷η Ʈ OBJECT ± Ѵ.
츮 ϰ ִ Ƽ ְ ƴϴ. , ӵ ζ ̹ ȿ ȭ ӵ
TV VCR ȭϰ ִ ְ δ.
Ƽ ÷̾ 4 Ÿ̳ Ƽ Ȩ(http://www.vivo.com) ִ.
9. ASF MPG4-AVI
: ANC Ա ο-( )
VBR̶° 500K 500K ̳ Ʈ ϴ°Դϴ. -_-;;( Ӳ ڷ Խ̴ ò
մϴٸ... -_-;;)
켱 ˰ Ư¡ ˾ƾ ..
ASF : Ʈ (ǽð ٿ ؾϹǷ.. bitrate ȭ մϴ)
AVI : (ݸ.. avi ū bit-rateȭ մϴ. ̰ ٷ VBR̶ մϴ. : Variable
Bit Rate )
500kbps ASF Ѻκ̵, Ѻκ̵ 500kbps մϴ. AVI ڵغ
100kbps~500kbps մϴ.
( 500 ̾ƴ϶ 500 ݴϴ. ִ Ʈ 500 Դϴ. ʿѺκ 100 ɼְ 200 ˴ϴ.)
ٽøϸ, AVI ASF ȭ ϴ.
ڸ óۺκп 10 ׳ ȭ ִٰ սô. aviʿ VBR ڵϸ ... 50~100kbps
ڵ˴ϴ. ( ƮƮ ൵ Ϸ ˴ϴ. VBR Ư¡Դϴ)
asf 3Mbps ڵϸ... 3Mbps ڵ˴ϴ.
( մϴ.) (˰ ü Ʋ Դϴٸ..)
asf 100kbpsۿ ʽϴ. 2.9Mbps
[ȭ 500kbps)
<------><---ܼ---><------>
AVIȯ <--500kbps--><--100kbps--><--500kbps-->
ASFȯ <--500kbps--><--500kbps--><--500kbps-->
ASF | սǾ |
400kbps | ս
|
: (1Mbps)
ܼ: (100kbps)
10. AVI ڵ
(Windows) Codec
: ó
http://www.redsun.co.kr/
Ϲ ڵ ϴ ϴµ, ϴ MPEG ϵǾٸ ô
ִ. ̴ ȸ纰 ٸ ε, (MP3 RA ) Ʈ ۵ǰ Ǵ ݸ鿡
ϵ ۵ǰ Ǵ 찡 . ٰ ϵ ƴϴ. Ŀ ڻ ε(5.0)
û MOV. ε IBM ȭ ̶, MOV Ųÿ ȭ ̴. ̷ Ѿ ǻͿ
ƹ Ѵ. ΰ Ŀ ִ MPEG M-JPEGԴϴ. MPEG CD
ַ Ǵ ݸ M-JPEG Ҷ δ. ĸĺ M-JPEG Ѵ
Video for Windows ϴ ڵ RLE Microsoft Video, Intel Indeo, Cinepak
4 ִ.
1) RLE (Run Lengh Encoded)
2 ִϸ̼ ۿ ȿ̸ Ϲ . ٸ ڵ ؼ ȿ (Horizontal
Band) ̿ ̸ ϴ ˰ . , ų ϴ
ִϸ̼ ϴµ ȿ ִ. 8Ʈ ̻ Ҽ ٴ .
2) MIcrosoft Video
RLEʹ ٸ 8Ʈ ̰ 16Ʈ, 24Ʈ Ҽ ִ. پ Quality ̳ ʹ ̸
̹ 뷮 ִ.
3) Intel Indeo
ڿ ڵ ִ. óѰ Բ θ ǰ ð óѺ . 16 Ʈ Į ȿ̴.
24Ʈ ̹ , ý 24Ʈ ʴ ġ 24Ʈ ó Quality ִ.
Ư 16Ʈ 24Ʈ ϰ Ÿ. , ٸ ڵ ٴ ִ. õ
ŸƲ ̰ ۵ȴ.
4) Cinepak
콺(Radius) ߵ ڵ ð ҿdz ִ. 256 Į 쿡 Ư ȿ̴.
Ϲ ˰ ٸ Asymetrical̶ ˰ ̿ϸ ð ٸ ڵ ɸٴ
ٸ ڵ Ǯشٴ پ Quality ִٴ ִ. ,
װ 뷮 ش. ַ CD-ROM ŸƲ ۽ ȴ. 簡 Ǿ.
+ : 쿡 ִ ڵ
˱
-> -> -> Ƽ̵ -> ġ -> ڵ
(3)-11 MJPEG
(Motion JPEG-MJPEG)
-ó : http://www.tomshardware.co.kr/ (: Bernd Fischer , Udo Schroeder)
MJPEG "Motion JPEG" ܾ ̴. ƿ ̹ ߰
̴ܰ. MJPEG Ŭ JPEG ̹ ̴. ̰ ī ýۿ Ǵ ִ ̴.
MJPEG ̹ ִ ̴. Fast AV Master Miro DC 50 ̳ û ƮϽ
Marvel ǰ ø ī ǥ TV ȣκ 30 MB/s 6 MB/s (MJPEG ) ִ.
⼭ 5:1 ̴. ·, ڵϴ ǥ MJPEG ˿ ʾҴ.
ī带 ȸ ڱ ڽŵ ߸ Ѵ .
(3)-12 DIVX м : MANSA
Խ yute() ο.
似 DIVX ڵ 鼮 ѵ..(DVDڵ̶..)
ڵ MS MPEG4-3ڵ Դϴ.
ٽø, ڷǿ ö ִ 뷮 MPG4-AVI Ȱ .
DivX ǵ(? ڵ簣), MS ڵ ϸ鼭
'Ƿ' AVI ϰ Ϳ ؼ...
̸, νڵ(FOURCC մϴٸ) ٲ㼭,
Ǵ, DivX س ڵ ״
Ǵϱ, ִ... ǹ̷ Դϴ.
(, ᱹ ̰͵ MS-MPEG4 ڵ AVI κ ̴...
׳ ũϴ ͺ ŷӱ⸸ ϰ... ̷ ֱ ...)
-ڵ 뵵
*.dll - API(Windows 3.1 ̴) ڵ
*.ax - API(Active Movie, Windows Media) ڵ
ڵ W98
ִ, Media Player , Ÿ AVI ÷ α鿡 Ǵ ̰... (Windows 丮 system.ini
־־ մϴٸ...)
ڵ, Active Movie, Windows Media Player 2 ̴ Դϴ. , Ƽ깫, ̵÷̾2
, ڵ(÷) ax ϰ Ǵµ...
dll Բ ִ ... κ AVI , Ⱑ, API ϱ Դϴ.
- MPG4-3 DIVX
a) http://www.microsoft.com/windows/windowsmedia/en/download/default.asp ,
Windows Media Tools 4.1 ̶ ʽÿ. (߿ , ϴ.) ġϽðų, ֲ
Ǯø, MPG4C32.dll ֽŹ (4.1.00.3920) ֽϴ.
b) ũ MPEG4 ڵ մϴ.
(DivX Ȩ ̰ ̽ ߴٰ ɴϴٸ... ·, ߰ܰ(?) ؼ...)
(, ax 翬 ũǾ ֽϴ.^^)
c) DivX ڵ մϴ.
غô.
⺻ ִ fc ų, Ÿ ϼŵ ˴ϴ.
(fc , fc/b 1 2 > dif12.txt Ͻø, ̰ κ dif12.txt Ϸ ɴϴ.)
b) ø, ⺻ ۷,
Űӷ ּҵ ɴϴ.
a) b)
a)
b)
00000AC6: A7 97 : ⺻۷ 3000kbps -> 1500kbps
00001EAF: 08 01 : Ű 8 -> 1
00002407: 75 EB : AVI üũ
00002AE0: 75 EB : AVI üũ
00039435~: 'ҽ' ؼ, ȭâ, ڿ κ...
, Microsoft Microcrap ļ, MS ݰ ǥ κԴϴ.
̷, ⺻ ణ,
AVI üũƾ(װ ƴϰ, Ƿ ) ģ... Դϴ.
b) c)
b)
c)
000000E9: 7A 7C κ ҽ ؼ ٲ Դϴ.
00000120: 2F CF
00000121: 6A 27
00000122: 06 07 üũ , ҽ ؼ ٲ Դϴ. ( Ϸ ͵ üũ ٲ մϴٸ...)
00000218: 58 00
00000219: 09 10 ҽ , ҽ
00000221: 0A 0C ...
0000024D: 20 22 ġ ̺ ġ... ҽ ణ ڷ зȽϴ.
00000AC6: 97 8C ۷, , b ִ... ƴ ̻ Ǿ... ǥõǴ ۷ Ǵ ۷
ٸϴ. (DivX ڵ ص ۰Գ´ٴ е... ѹ غ... 'ȭ' ƴϰ, '۷'ε...
翬 ϰ ;... ϰ Դϱ? 1500kbps ߴµ, 500kbps ´ٰų...)
00001EA8: 4B 64 Crispness(75%->100%) ̰ Ƽ, ۷
ȭ ϰ, ߶ , ȭ ߸ ... ... low motion ڵ̶ '̸
' Ϳ ɸ°... ȭַ Դϴ.
00001EAF: 01 0A Keyframe(1->10) 8 , ũ 1 ʷ ߴ 10 ʷ ...
Ű , ÷߿ '̵' ϰų ϸ... ʾ ſ ϰ ˴ϴ.
̷ ٲ ܿ, MPG4 -> DIV1, MP42 -> DIV2, MP43 -> DIV3
ڵ̵(FOURCC մϴ.) ٲ ͵...
, , ҽ
ٲ Դϴ.
('' ٲ۰͵ Դϴ. MPEG4 ڵ DivX ڵ̶ų...)
, ڿ
ణ ߰ ִ ϴ...
߾ϴٸ... ' ' Դϴ.
PE ϴ...( ִ )
...
մϴ. ٸ ...
fast motion ڵ...̶ , MP43 DIV4 ٲٰ,
Crispness 0% Դϴٸ... ణ ڵ̱
̳ʸ Ұմϴ.( ...)
|