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

  • Mikhail Stolbov
  • Sergei Aleinik
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9811)


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.


Microphone array Sub-band processing Directivity pattern Directivity index 



This work was financially supported by the Government of the Russian Federation, Grant 074-U01.


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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  1. 1.Speech Technology CenterSt. PetersburgRussia
  2. 2.ITMO UniversitySt. PetersburgRussia
  3. 3.Alango Technologies Ltd.St. PetersburgRussia

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