Title: COMPARISON OF STREAMING TOOL - ???????G?? ???S
1COMPARISON OF STREAMING TOOL -???????G?? ???S
- S?????s? p?????t?? te???????a? ????
?a??a ?at??µpa???? ??????? 2002
2????? d??d?s?? a??e??? ß??te? st? ??ad??t??
- ??ta????sµ?? ??a ????????µ??? p????f???s?
- ???s? ???? µ??f?? te???????a?
- ??t?p?s?asµ?? t?? ep?s?ept??
- ???µ???s?, s??d?asµ??? µe d?as??das?
- ?et?d?s? a??????? pe????af?? (s??e?te??e??)
- ?p???ste?s? s???et?? d?ad??as???
- (e??at?stas? µ?a? efa?µ????)
3???te? st? ??ad??t?? ???e??as?
4???ß??µata ?et?d?s?? ß??te?
- 1 de?te????pt?? ß??te? µe?????? e????a? 640X480,
???µat???? ß????? 24 bit ?a? s????t?ta? a?a???s??
30 frames/sec apa?te? ????t???t?ta t?? t???? t??
26,4 MB - .St? ??ad??t??, ? ta??t?ta s??des?? µp??e? ?a
?e????? ap? ta 28?bps µ?s? modem ?a? ?a ft??e?
sta 400kbps st?? s??d?se?? µe cable modem.
5?p???s? ???ß??µat?? µet?d?s??
- ????s? t?? ?????? ?????
- S?µp?es? t?? a??e???
6????s? t?? ?????? ?????
- ISDN 128 kbps
- Cable modem - 400 kbps
- S??des? DSL 1,5 Mbps
- ????f????? S??des? 400kbps
7S?µp?es?
- Sorenson video
- RealVideo
- Windows Media Video
- ?.261
- (videoconferencing, ISDN)
- ?.263
- (e?????? t?? ?.261 )
- MPEG1
- (cd-rom, vcd, 30fps, ¼ ??????)
- MPEG2
- (dvd, 30fps, p???? ?????)
- MPEG4
- (µe????t??? p??t?p?)
8?e???????a ????
???s?µ?p??e?ta? e????? st?? ?a???sµ?? ?st? ??a ?a
µetaf??e? ß??te? µet? ap? apa?t?s?(on demand) ?
a?aµet?d?s? se p?a?µat??? ????? (real time).
9- ?a ded?µ??a st?????ta? ap? ??p???? e??p??et?t?
st?? ?p?????st? pe??t?. - ? efa?µ??? pe??t? p??? ste??e? ta ded?µ??a st??
????? ??at?e? se ??a? ?ata????t? ???a
de?te???epta (pe??p?? 10) ded?µ???? ß??te?,
??at? ???e? ?a e?asfa??se? s??e?? ??? a??µa ?a?
st?? pe??pt?s? ?a??st???s?? ????? t?? pa??t??.
10??O??????? ??????S?S ???????O?
- TCP
- UDP
- HTTP
- RTP
- RTCP
- RTSP
11??????S? ???????O? ???S SERVER OR SERVERLESS
- µ? ???s?µ?p???s? e?d???? e??p??et?t??, ?p?? ?
µet?d?s? t?? ded?µ???? p?a?µat?p??e?ta? ?a??????
µ?s? t?? web e??p??et?t? ?a? t?? p??t??????? HTTP
- ? ?pa??? e??? e?d???? e??p??et?t? p?? a?a?aµß??e?
?a µetad?se? ta streaming p???µes??? ded?µ??a,
???s?µ?p????ta? ?????? p??t?????a p?a?µat????
??????, ?p?? t? RTSP
12??????µµata a?apa?a????? ß??te?
- Real player
- Net show
- VIVO Player
- VDO live
- NetTOOB
- Cineweb
- Bamba ?.a
- ??e??a 1998
- Quick time 5.0
- Real player
- Windows Media player
- ??e??a 2002
13QuickTime Apple Camp.
- pa???eta? d??e??, e?t?? ap? t?? ??d?s? pro p??
??st??e? 29.99. - ? e??at?stas? t?? QuickTime e??a? a??d???
- ?p??t?ta t?? efa?µ???? - ?s???? ????sµ???.
- ?e????e? ?e?t?????e? t?? flash 4.
- ??d?s? Pro pe????e? ?d?a?te?e? ?e?t?????e?,
?p?? µetat??p? wav se mp3, epe?e??as?a video,
p??ß??? se p???? ?????
14Windows Media Player 7.1
- ?etaf??e? µe te???????a ???? ded?µ??a ß??te?
???? - ?e????e? ?e?t?????e? Jukebox
- ?p?t??pe? t?? a?t???af? cd st?? ?p?????st?
- ??a?e????eta? ?a? ap????e?e? ta a??e?a se ??a
µ???? - ?e t?? ?d??? WindowsMedia.com e????? a?a??t?s?
?a? a?apa?a???? pe??e??µ???? ap? ?st? - ???sßas? se pe??ss?te???? ap? 1500
- ?ad??f??????? sta?µ???.
15Real Player - RealNetworks
- RealOne ?µf???s? sa? XP
- S??des? µe pe??ss?te???? ap? 2500 ?ad??f???????
sta?µ??? - ??????a ?pt???p???se??
- O µ???? p?? t???e? se
- Windows 95
- ???ß??? se µ?s? ?????
16?????? S?G???S?
17?????? S?G???S?
18?????? S?G???S?
- ???????? ?????S? ?a p?????ta t?? RealNetworks
- ???s? ???? t?? p??t???????
- ????????µ??? ??s? ??a a?apa?a???? ???? ?a? ß??te?
- ??a??p???t??? te????? ?p?st?????
- S??des? µe 2500 d??t?a???? ?ad??f. sta?µ???
- ?et?d?s? ß??te?, p???t?ta? DVD, p??ß??? se µ?s?
?????