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Chap 25 multimedia

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Unformatted text preview: Chapter 25 Multimedia Objectives Upon completion you will be able to: • Know the characteristics of the 3 types of services • Understand the methods of digitizing and compressing. • Understand jitter, translation, and mixing in real-time traffic • Understand the role of RTP and RTCP in real-time traffic • Understand how the Internet can be used as a telephone network TCP/IP Protocol Suite 1 Figure 25.1 Internet audio/video TCP/IP Protocol Suite 2 Note: Streaming stored audio/video refers to on-demand requests for compressed audio/video files. TCP/IP Protocol Suite 3 Note: Streaming live audio/video refers to the broadcasting of radio and TV programs through the Internet. TCP/IP Protocol Suite 4 Note: Interactive audio/video refers to the use of the Internet for interactive audio/video applications. TCP/IP Protocol Suite 5 25.1 DIGITIZING AUDIO AND VIDEO Before audio or video signals can be sent on the Internet, they need to be Before digitized. We discuss audio and video separately. digitized. The topics discussed in this section include: Digitizing Audio Digitizing Digitizing Video TCP/IP Protocol Suite 6 Note: Compression is needed to send video over the I...
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