Download presentation
Presentation is loading. Please wait.
1
Audio and Video Services on the Internet By: Bridget Jackowski and Chris Wood
2
Introduction Video Conferencing Internet Telephones Webcasting Peer-to-Peer Networking
3
Videoconferencing Combination of audio, video, and data feeds. Enables live real-time interaction between two or more locations Used for conference rooms or classrooms Ideal for meetings between distance locations, consulting, panel discussions, courses, and interviews.
4
Videoconferencing (con’t) How you obtain the data Data is digitized and compressed Data is served Data is received, and decompressed The data is played back.
5
Internet Telephones Two parties could make free phone calls via internet, if they were both on together. Some problems continuous beeps instead of a ring and long pauses between each response. Now there is the Internet Protocol Telephone. –Clear voice, no beeps, and no pauses
6
Voice over Internet Protocol (VoIP) Vonage from Motorola –DSL or cable modem –Virtual phone numbers –Low international rates
7
Webcasting Webcasting aka streaming Ideal for –Course Lectures –Guest Lectures –Demonstration Materials –Educational Materials –Supplemental Materials for a Course
8
Webcasting (con’t) 5 Steps –The content is created –Data is digitized and compressed –Data is stored or immediately broadcast –Data is transferred through the Internet –Audience receives content via player software
9
Webcasting Streaming Video Content Comaprison, 2003 –Music – 33% –News – 28% –Sports – 17% –Film – 11% –Internet TV – 6% –General Entertainment – 5%
10
Peer 2 Peer Network Is an alternative to client/server computing Different types of P2P networks –Gnutella –Grid Computing –SETI@home –Etc. Allows sharing of spare computing power and storage of data among member nodes
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.