Acoustic Environment Classification Based on SMV Speech Codec Parameters for Context-Aware Mobile Phone
In this letter, an acoustic environment classification algorithm based on the 3GPP2 selectable mode vocoder (SMV) is proposed for context-aware mobile phones. Classification of the acoustic environment is performed based on a Gaussian mixture model (GMM) using coding parameters of the SMV extracted...
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| Veröffentlicht in: | IEICE Transactions on Information and Systems 2009/07/01, Vol.E92.D(7), pp.1491-1495 |
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| container_title | IEICE Transactions on Information and Systems |
| container_volume | E92.D |
| creator | LEE, Kye-Hwan CHANG, Joon-Hyuk |
| description | In this letter, an acoustic environment classification algorithm based on the 3GPP2 selectable mode vocoder (SMV) is proposed for context-aware mobile phones. Classification of the acoustic environment is performed based on a Gaussian mixture model (GMM) using coding parameters of the SMV extracted directly from the encoding process of the acoustic input data in the mobile phone. Experimental results show that the proposed environment classification algorithm provides superior performance over a conventional method in various acoustic environments. |
| doi_str_mv | 10.1587/transinf.E92.D.1491 |
| format | Article |
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Classification of the acoustic environment is performed based on a Gaussian mixture model (GMM) using coding parameters of the SMV extracted directly from the encoding process of the acoustic input data in the mobile phone. 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Inf. & Syst.</addtitle><description>In this letter, an acoustic environment classification algorithm based on the 3GPP2 selectable mode vocoder (SMV) is proposed for context-aware mobile phones. Classification of the acoustic environment is performed based on a Gaussian mixture model (GMM) using coding parameters of the SMV extracted directly from the encoding process of the acoustic input data in the mobile phone. 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Videophone</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>LEE, Kye-Hwan</creatorcontrib><creatorcontrib>CHANG, Joon-Hyuk</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Computer and Information Systems Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><jtitle>IEICE Transactions on Information and Systems</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>LEE, Kye-Hwan</au><au>CHANG, Joon-Hyuk</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Acoustic Environment Classification Based on SMV Speech Codec Parameters for Context-Aware Mobile Phone</atitle><jtitle>IEICE Transactions on Information and Systems</jtitle><addtitle>IEICE Trans. Inf. & Syst.</addtitle><date>2009</date><risdate>2009</risdate><volume>E92.D</volume><issue>7</issue><spage>1491</spage><epage>1495</epage><pages>1491-1495</pages><issn>0916-8532</issn><issn>1745-1361</issn><eissn>1745-1361</eissn><abstract>In this letter, an acoustic environment classification algorithm based on the 3GPP2 selectable mode vocoder (SMV) is proposed for context-aware mobile phones. Classification of the acoustic environment is performed based on a Gaussian mixture model (GMM) using coding parameters of the SMV extracted directly from the encoding process of the acoustic input data in the mobile phone. Experimental results show that the proposed environment classification algorithm provides superior performance over a conventional method in various acoustic environments.</abstract><cop>Oxford</cop><pub>The Institute of Electronics, Information and Communication Engineers</pub><doi>10.1587/transinf.E92.D.1491</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | IEICE Transactions on Information and Systems, 2009/07/01, Vol.E92.D(7), pp.1491-1495 |
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| language | eng |
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| source | J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | acoustic environment classification Acoustics Algorithms Applied sciences Cell phones Classification Codec Coding, codes Equipments and installations Exact sciences and technology Gaussian Gaussian mixture model Information, signal and communications theory Mathematical models Mobile radiocommunication systems Radiocommunications selectable mode vocoder Services and terminals of telecommunications Signal and communications theory Signal processing Speech Speech processing Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Telephone. Videophone |
| title | Acoustic Environment Classification Based on SMV Speech Codec Parameters for Context-Aware Mobile Phone |
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