A self-steering close-talking microphone array.
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| Title: | A self-steering close-talking microphone array. |
|---|---|
| Authors: | Peng Ke1 pengke@nju.org.cn, Yang Xinfeng1, Xu Boling1 |
| Source: | Progress in Natural Science. Nov2005, Vol. 15 Issue 11, p1044-1049. 6p. |
| Subjects: | Microphones, Transmission of sound, Transducers, Noise, Telephone systems, Research |
| Abstract: | For communication in extremely noisy environments, close-talking microphone arrays are useful. Differential micro-phone array systems possessing excellent nearfield directivity and strong farfield-noise reduction capability are very suitable for close-talking situations. En order to improve the focusing effect at the desired bearing in the nearfield, we propose a novel self-steering system of close-talking arrays with the first-order differential sub-arrays in this paper. Calculations of directivity patterns and directivity factors show that when a kind of optimized beamforming technique is adopted even small arrays with a focusing configuration will exhibit a satisfactory nearfield directivity which is electronically steerable within a specific range. The superiority of the proposed array system is verified by experiments with real acoustic data. [ABSTRACT FROM AUTHOR] |
| Copyright of Progress in Natural Science is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 19239375 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: A self-steering close-talking microphone array. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Peng+Ke%22">Peng Ke</searchLink><relatesTo>1</relatesTo><i> pengke@nju.org.cn</i><br /><searchLink fieldCode="AR" term="%22Yang+Xinfeng%22">Yang Xinfeng</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Xu+Boling%22">Xu Boling</searchLink><relatesTo>1</relatesTo> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Progress+in+Natural+Science%22">Progress in Natural Science</searchLink>. Nov2005, Vol. 15 Issue 11, p1044-1049. 6p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Microphones%22">Microphones</searchLink><br /><searchLink fieldCode="DE" term="%22Transmission+of+sound%22">Transmission of sound</searchLink><br /><searchLink fieldCode="DE" term="%22Transducers%22">Transducers</searchLink><br /><searchLink fieldCode="DE" term="%22Noise%22">Noise</searchLink><br /><searchLink fieldCode="DE" term="%22Telephone+systems%22">Telephone systems</searchLink><br /><searchLink fieldCode="DE" term="%22Research%22">Research</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: For communication in extremely noisy environments, close-talking microphone arrays are useful. Differential micro-phone array systems possessing excellent nearfield directivity and strong farfield-noise reduction capability are very suitable for close-talking situations. En order to improve the focusing effect at the desired bearing in the nearfield, we propose a novel self-steering system of close-talking arrays with the first-order differential sub-arrays in this paper. Calculations of directivity patterns and directivity factors show that when a kind of optimized beamforming technique is adopted even small arrays with a focusing configuration will exhibit a satisfactory nearfield directivity which is electronically steerable within a specific range. The superiority of the proposed array system is verified by experiments with real acoustic data. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Progress in Natural Science is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1080/10020070512331343182 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 6 StartPage: 1044 Subjects: – SubjectFull: Microphones Type: general – SubjectFull: Transmission of sound Type: general – SubjectFull: Transducers Type: general – SubjectFull: Noise Type: general – SubjectFull: Telephone systems Type: general – SubjectFull: Research Type: general Titles: – TitleFull: A self-steering close-talking microphone array. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Peng Ke – PersonEntity: Name: NameFull: Yang Xinfeng – PersonEntity: Name: NameFull: Xu Boling IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 11 Text: Nov2005 Type: published Y: 2005 Identifiers: – Type: issn-print Value: 10020071 Numbering: – Type: volume Value: 15 – Type: issue Value: 11 Titles: – TitleFull: Progress in Natural Science Type: main |
| ResultId | 1 |
