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LAN Digital Audio

LAN Digital Audio. Greg Van Dyne December 4, 2007. Agenda. Introduction Technical Overview Protocols Demonstration Future Trends References. Introduction. Local Area Networks (LANs) Small geographic area Shared resources Wired – IEEE 802.3 Wireless (Wi-Fi) – IEEE 802.11.

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LAN Digital Audio

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  1. LAN Digital Audio Greg Van Dyne December 4, 2007

  2. Agenda • Introduction • Technical Overview • Protocols • Demonstration • Future Trends • References

  3. Introduction • Local Area Networks (LANs) • Small geographic area • Shared resources • Wired – IEEE 802.3 • Wireless (Wi-Fi) – IEEE 802.11

  4. Introduction Cont. • MP3 Marketing exploding • Expected to reach 286 million by 2010 (Cadden, 2006). • Technology advances – more features gain edge

  5. Scenario • Large collection of digital music and want to share it with roommates and be able to share with each other. • Want to play music with stereo system in living room • Running wire is undesired.

  6. Network Attached Storage (NAS) • Data easily shared over LAN.

  7. AirTunes • Apple’s Airport Express • Create/join wireless network • Integrated into iTunes. • Digital audio streamed to remote speakers. • Compresses audio stream on the fly using Apple’s Lossless Compression and encrypts data streams

  8. DLNA • Digital Living Network Alliance • International, cross-industry collaboration. • Seamless interoperability between network of PCs and consumer electronics.

  9. Layout Airport Express Setup Guide

  10. Protocols • DHCP – Dynamic Host Configuration Protocol • Assign IP addresses to devices • TCP/IP – Transmission Control Protocol/Internet Protocol • UDP – User Datagram Protocol

  11. Demonstration

  12. Future Trends • Higher data rates (802.11 N) • Wi-Fi enabled MP3 players • Other vendors join market

  13. References • Cadden, C. (2006) “MP3 Player Market to Reach 286 Million Units by 2010.” In-Stat.com. Retrieved Nov. 23, 2007. http://www.instat.com/press.asp?ID=1648&sku=I N0603155ID. • Snell, J. (2004) “How AirTunes Works” Macworld.com. Retrieved Nov. 23, 2007. http://www.macworld.com/weblogs/editors/archi ves/000212.php. • Wikipedia. (2007) “Digital Living Network Alliance.” http://en.wikipedia.org/wiki/Digital_Living_Network _Alliance

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