Investigation of directional audio system based on ultrasonic modulation
In this paper the structure and basic principle of directional audio system and its realization process are analyzed. An audio signal processing module with digital signal processor as its core is designed. According to the theory of nonlinear self-demodulation, three kinds of signal processing meth...
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| creator | Deke Li Dagui Huang |
| description | In this paper the structure and basic principle of directional audio system and its realization process are analyzed. An audio signal processing module with digital signal processor as its core is designed. According to the theory of nonlinear self-demodulation, three kinds of signal processing methods including DSB, distortion compensation DSB and SSB are introduced. Finally the directivity of ultrasonic transducer array is analyzed and simulated, the result presents that directivity of the sound can be effectively improved by using array technique. |
| doi_str_mv | 10.1109/ICMA.2010.5589011 |
| format | Conference Proceeding |
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An audio signal processing module with digital signal processor as its core is designed. According to the theory of nonlinear self-demodulation, three kinds of signal processing methods including DSB, distortion compensation DSB and SSB are introduced. Finally the directivity of ultrasonic transducer array is analyzed and simulated, the result presents that directivity of the sound can be effectively improved by using array technique.</description><identifier>ISSN: 2152-7431</identifier><identifier>ISBN: 142445140X</identifier><identifier>ISBN: 9781424451401</identifier><identifier>EISSN: 2152-744X</identifier><identifier>EISBN: 1424451418</identifier><identifier>EISBN: 9781424451418</identifier><identifier>DOI: 10.1109/ICMA.2010.5589011</identifier><identifier>LCCN: 2009934325</identifier><language>eng</language><publisher>IEEE</publisher><subject>Acoustics ; Amplitude modulation ; Arrays ; directional audio ; DSP ; Frequency modulation ; modulate ; Ultrasonic imaging ; ultrasonic transducer ; Ultrasonic transducers</subject><ispartof>2010 IEEE International Conference on Mechatronics and Automation, 2010, p.861-865</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/5589011$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,778,782,787,788,2054,27908,54903</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/5589011$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Deke Li</creatorcontrib><creatorcontrib>Dagui Huang</creatorcontrib><title>Investigation of directional audio system based on ultrasonic modulation</title><title>2010 IEEE International Conference on Mechatronics and Automation</title><addtitle>ICMA</addtitle><description>In this paper the structure and basic principle of directional audio system and its realization process are analyzed. An audio signal processing module with digital signal processor as its core is designed. According to the theory of nonlinear self-demodulation, three kinds of signal processing methods including DSB, distortion compensation DSB and SSB are introduced. Finally the directivity of ultrasonic transducer array is analyzed and simulated, the result presents that directivity of the sound can be effectively improved by using array technique.</description><subject>Acoustics</subject><subject>Amplitude modulation</subject><subject>Arrays</subject><subject>directional audio</subject><subject>DSP</subject><subject>Frequency modulation</subject><subject>modulate</subject><subject>Ultrasonic imaging</subject><subject>ultrasonic transducer</subject><subject>Ultrasonic transducers</subject><issn>2152-7431</issn><issn>2152-744X</issn><isbn>142445140X</isbn><isbn>9781424451401</isbn><isbn>1424451418</isbn><isbn>9781424451418</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2010</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNpFUMtOAjEUrQ8SAfkA46Y_MHjb3jLtkkxUSDBuWLAjd6Z3TM3AmOlgwt-LSvRsTk7OY3GEuFMwVQr8w7J4mU81nKS1zoNSF2KkUCNahcpdiqFWVmc54ubq34DN9Z9h1ECMNID3Bo22N2KS0jucgFYr54disdx_curjG_Wx3cu2liF2XH0LaiQdQmxlOqaed7KkxEGeQoem7yi1-1jJXRsOzU_1VgxqahJPzjwW66fHdbHIVq_Py2K-yqKHPkMOZVAlYc0OalfNzMyDIZgxYQi5q2oKhkqLKq9s7RGM5lyTLxnRu9KZsbj_nY3MvP3o4o664_b8jvkCSP9T7g</recordid><startdate>201008</startdate><enddate>201008</enddate><creator>Deke Li</creator><creator>Dagui Huang</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>201008</creationdate><title>Investigation of directional audio system based on ultrasonic modulation</title><author>Deke Li ; Dagui Huang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i90t-4edbd1ba4fe80f8c636903a06ea4dd78cfad3ab5417c5f94032e72a9be4498b83</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Acoustics</topic><topic>Amplitude modulation</topic><topic>Arrays</topic><topic>directional audio</topic><topic>DSP</topic><topic>Frequency modulation</topic><topic>modulate</topic><topic>Ultrasonic imaging</topic><topic>ultrasonic transducer</topic><topic>Ultrasonic transducers</topic><toplevel>online_resources</toplevel><creatorcontrib>Deke Li</creatorcontrib><creatorcontrib>Dagui Huang</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Deke Li</au><au>Dagui Huang</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Investigation of directional audio system based on ultrasonic modulation</atitle><btitle>2010 IEEE International Conference on Mechatronics and Automation</btitle><stitle>ICMA</stitle><date>2010-08</date><risdate>2010</risdate><spage>861</spage><epage>865</epage><pages>861-865</pages><issn>2152-7431</issn><eissn>2152-744X</eissn><isbn>142445140X</isbn><isbn>9781424451401</isbn><eisbn>1424451418</eisbn><eisbn>9781424451418</eisbn><abstract>In this paper the structure and basic principle of directional audio system and its realization process are analyzed. An audio signal processing module with digital signal processor as its core is designed. According to the theory of nonlinear self-demodulation, three kinds of signal processing methods including DSB, distortion compensation DSB and SSB are introduced. Finally the directivity of ultrasonic transducer array is analyzed and simulated, the result presents that directivity of the sound can be effectively improved by using array technique.</abstract><pub>IEEE</pub><doi>10.1109/ICMA.2010.5589011</doi><tpages>5</tpages></addata></record> |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Acoustics Amplitude modulation Arrays directional audio DSP Frequency modulation modulate Ultrasonic imaging ultrasonic transducer Ultrasonic transducers |
| title | Investigation of directional audio system based on ultrasonic modulation |
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