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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. - PowerPoint PPT Presentation
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Greg Van DyneDecember 4, 2007
AgendaIntroductionTechnical OverviewProtocols DemonstrationFuture TrendsReferences
IntroductionLocal Area Networks (LANs)
Small geographic areaShared resourcesWired – IEEE 802.3Wireless (Wi-Fi) – IEEE 802.11
Introduction Cont.MP3 Marketing exploding
Expected to reach 286 million by 2010 (Cadden, 2006).
Technology advances – more features gain edge
ScenarioLarge 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.
Network Attached Storage (NAS)Data easily shared
over LAN.
AirTunesApple’s Airport
ExpressCreate/join wireless
networkIntegrated into iTunes.Digital audio streamed
to remote speakers.Compresses audio
stream on the fly using Apple’s Lossless Compression and encrypts data streams
DLNADigital Living Network AllianceInternational, cross-industry collaboration.Seamless interoperability between network
of PCs and consumer electronics.
Layout
Airport Express Setup Guide
ProtocolsDHCP – Dynamic Host Configuration Protocol
Assign IP addresses to devicesTCP/IP – Transmission Control
Protocol/Internet ProtocolUDP – User Datagram Protocol
Future TrendsHigher data rates (802.11 N)Wi-Fi enabled MP3 playersOther vendors join market
ReferencesCadden, 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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