Tel: 87331091 - PowerPoint PPT Presentation

1 / 27
About This Presentation
Title:

Tel: 87331091

Description:

Title: Author: jie Last modified by: user Created Date: 4/8/2004 2:25:45 AM Document presentation format: – PowerPoint PPT presentation

Number of Views:87
Avg rating:3.0/5.0
Slides: 28
Provided by: Jie59
Category:

less

Transcript and Presenter's Notes

Title: Tel: 87331091


1
?????????
  • ????????????
  • ???
  • Tel 87331091
  • E-mail lmh_at_mail.sysu.edu.cn

2
  • ???????
  • ???????????
  • ?????????????????
  • ????????????????????

3
  • ??????
  • ??????(?)?????
  • ???????

4
????
  • ????
  • ?????txt?doc?ppt ?wps ???
  • ??/????
  • ???????BMP ?JPEG?GIF?PSD?PNG?
  • ????
  • ???????WAV?MP3?MIDI?CD-DA??(.cda)???????
  • ????MPG?AVI?WOV?DTA?ASF?WMV?? ?
  • ????GIF???Flash????

5
??????????
  • ????
  • ????
  • ????

6
????
A/D
D/A
??
???
??
7
MIDI??
  • MIDI???????????????
  • MIDI??????????????????????????,??????????????
  • ?????????????.MID??????

8
MIDI??
  • ?? WAVETABLE ??? (??)

9
????(????)
  • RealAudio (.ra)
  • MP3 (.mp3)
  • WMA(.wma)

10
RealAudio
  • Real Networks??????????????
  • ?????????internet?????????

11
???(streaming audio)
  • ???????????
  • ????????
  • ???????????
  • ?????????????

12
MP3(MPEG1 layer3)
  • MP3?MPEG1 audio?????
  • MPEG1 audio?VCD???????????
  • ??????????
  • ???????3?layer1?layer2?layer3
  • MP3?????110112

13
WMA??
  • ???????????????
  • ??????????????????
  • ??????????
  • ??????118
  • ?????MP3????
  • ?? ???????????????

14
????
15
??????
  • ????(?? Bit Per Pixel)
  • ?????(Dot Per Inch)

16
????(?? Bit Per Pixel)
  • ????????????????
  • ?????????????
  • ????????
  • ?256?(8?)?65K?(16?)?16M(24?)
  • (????16bit?24bit
  • ??????????????,???bpp)

17
?????(Dot Per Inch)
  • ?????,???????
  • ?????????
  • ??????????
  • ????????
  • ??DPI(Dot Per lnch)
  • ???????
  • ?????
  • ????????????
  • ?????????

18
???????
  • ??(????)
  • ???????

19
???????
  • AVI(audio video Interleave)
  • MPEG(Moving picture experts Group )
  • MOV (Movie digital video technology)
  • RM(RealMedia)
  • ASF(Advanced Streaming Format)

20
AVI ??
  • Microsoft video1
  • Cinepak codec by supermatch
  • Intel indeo(TM)video R3.2
  • Indeo video interactiveR4.1 (IR4.1)
  • Intel indeo (TM)video R5.04

21
MPEG-1 ??
?????1.5MB/s ????VCD?? MPEG1???????????????? ?????
AVI?????1/5 ?????????
22
MPEG-2 ??
  • MPEG2???1994?
  • ????3MB10MB/s?
  • MPEG2???????????CD????
  • MPEG2??????DVD?????
  • MPEG2??????
  • ??????????
  • ??????????
  • ???????????

23
MOV ??
  • ????????Apples QuickTime for Mac
  • MOV????????????????????
  • ??Internet?????????????/???

24
RM ??
  • ??ReaINetworks????????
  • ??????RealMedia
  • ???????????
  • ???????????????
  • ????????
  • ????????????????????

25
ASF ??
  • ASF??????????RealMedia??
  • ??????????????????
  • ???????????
  • ????????????MPEG-4????
  • ??????????WMA??
  • ??ASF?????????????

26
????????????
  • ??????(??? /?? /??/Google?)
  • ???? (??????????????)
  • ???????(http//res.sysu.edu.cn)

27
? ?
Write a Comment
User Comments (0)
About PowerShow.com