Microphone Array Directivity Improvement in Low-Frequency Band for Speech Processing

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• 关键词：Microphone array ; Sub ; band processing ; Directivity pattern ; Directivity index
• 刊名：Lecture Notes in Computer Science
• 出版年：2016
• 出版时间：2016
• 年：2016
• 卷：9811
• 期：1
• 页码：484-490
• 全文大小：557 KB
• 参考文献：1.McCowan, I.: Microphone arrays: a tutorial (2001). URL: http://​www.​idiap.​ch/​~mccowan/​arrays/​tutorial.​pdf
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• 作者单位：Mikhail Stolbov (16) (17)
  Sergei Aleinik (17) (18)
  
  16. Speech Technology Center, Krasutskogo-4, St. Petersburg, 196084, Russia
  17. ITMO University, 49 Kronverkskiy pr., St. Petersburg, 197101, Russia
  18. Alango Technologies Ltd., St. Petersburg, Russia
  
• 丛书名：Speech and Computer
• ISBN：978-3-319-43958-7
• 刊物类别：Computer Science
• 刊物主题：Artificial Intelligence and Robotics
  Computer Communication Networks
  Software Engineering
  Data Encryption
  Database Management
  Computation by Abstract Devices
  Algorithm Analysis and Problem Complexity
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1611-3349
• 卷排序：9811

文摘

This paper presents a new method of improving microphone array directivity in the low-frequency band. The method is based on a sub-band processing technique. We also evaluate the parameters and characteristics of the method and consider some of its practical implementations.