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Article: Visible light communication for audio systems

TitleVisible light communication for audio systems
Authors
KeywordsAudio systems
Light emitting diodes
audio broadcasting
Issue Date1999
PublisherIEEE.
Citation
Ieee Transactions On Consumer Electronics, 1999, v. 45 n. 4, p. 1112-1116 How to Cite?
AbstractThis paper describes an audio system that is wellsuited for use in a small confined area with many audio transmitters broadcasting different audio signals. The transmitter of the proposed system is constructed using visible light LHDs, in which current fed to the LEDs is modulated and encoded with audio information or messages. The audio system provides audio signal transmission in a free space optical link. The receiver, combined with an ear jack, is located at some distance from the transmitters. The handheld receiver is designed to demodulate the optically transmitted audio information and reproduce the messages with the car jack. For modulating emission of T,HDs, an oscillator is used to vary the frequency of on/off periods of the LCDs. The frequency of flicker is high enough to be indistinguishable by human eye and hence the LRDs appear to be constantly illuminated. © 1999 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/42825
ISSN
2015 Impact Factor: 1.12
2015 SCImago Journal Rankings: 0.732
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorPang, Gen_HK
dc.contributor.authorHo, KLen_HK
dc.contributor.authorKwan, Ten_HK
dc.contributor.authorYang, Een_HK
dc.date.accessioned2007-03-23T04:32:54Z-
dc.date.available2007-03-23T04:32:54Z-
dc.date.issued1999en_HK
dc.identifier.citationIeee Transactions On Consumer Electronics, 1999, v. 45 n. 4, p. 1112-1116en_HK
dc.identifier.issn0098-3063en_HK
dc.identifier.urihttp://hdl.handle.net/10722/42825-
dc.description.abstractThis paper describes an audio system that is wellsuited for use in a small confined area with many audio transmitters broadcasting different audio signals. The transmitter of the proposed system is constructed using visible light LHDs, in which current fed to the LEDs is modulated and encoded with audio information or messages. The audio system provides audio signal transmission in a free space optical link. The receiver, combined with an ear jack, is located at some distance from the transmitters. The handheld receiver is designed to demodulate the optically transmitted audio information and reproduce the messages with the car jack. For modulating emission of T,HDs, an oscillator is used to vary the frequency of on/off periods of the LCDs. The frequency of flicker is high enough to be indistinguishable by human eye and hence the LRDs appear to be constantly illuminated. © 1999 IEEE.en_HK
dc.format.extent492384 bytes-
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dc.format.extent4187 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherIEEE.en_HK
dc.relation.ispartofIEEE Transactions on Consumer Electronicsen_HK
dc.rights©1999 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectAudio systemsen_HK
dc.subjectLight emitting diodesen_HK
dc.subjectaudio broadcastingen_HK
dc.titleVisible light communication for audio systemsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0098-3063&volume=45&issue=4&spage=1112&epage=1118&date=1999&atitle=Visible+light+communication+for+audio+systemsen_HK
dc.identifier.emailPang, G:gpang@eee.hku.hken_HK
dc.identifier.emailHo, KL:klho@eee.hku.hken_HK
dc.identifier.emailYang, E:esyang@hkueee.hku.hken_HK
dc.identifier.authorityPang, G=rp00162en_HK
dc.identifier.authorityHo, KL=rp00117en_HK
dc.identifier.authorityYang, E=rp00199en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/30.809190en_HK
dc.identifier.scopuseid_2-s2.0-0033310541en_HK
dc.identifier.hkuros50478-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0033310541&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume45en_HK
dc.identifier.issue4en_HK
dc.identifier.spage1112en_HK
dc.identifier.epage1116en_HK
dc.identifier.isiWOS:000084430500015-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridPang, G=7103393283en_HK
dc.identifier.scopusauthoridHo, KL=7403581592en_HK
dc.identifier.scopusauthoridKwan, T=36942447300en_HK
dc.identifier.scopusauthoridYang, E=7202021229en_HK

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