全部文献期刊会议图书|学者科研项目
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作者:Chun-Lin Lu , Meng-Kao Yeh
来源:[J].Microelectronic Engineering(IF 1.224), 2019, Vol.213, pp.47-54
摘要:Abstract(#br)Many micro-electromechanical systems (MEMS) microphone structures are developing along with the growing market of portable and smart devices. Therein, the impact of thermal loading is one of the inevitable concerns that need to be considered from the viewpoint of microphone'...
作者:Jae-Gap Suh , Wan-Ho Cho , Hack-Yoon Kim ...
来源:[J].Applied Acoustics(IF 1.097), 2019, Vol.143, pp.38-47
摘要:Abstract(#br)As a method to determine the sensitivity of a laboratory standard microphone, the reciprocity method is employed as an international standard (IEC61094-2). This method is highly reliable and achieves high precision. However, three microphones are essentially required...
作者:Yoonho Seo , Daniel Corona , Neal A. Hall
来源:[J].Sensors & Actuators: A. Physical(IF 1.841), 2017
摘要:Abstract(#br)A theoretical maximum achievable signal to noise ratio (SNR) for piezoelectric microphones is identified as a function of only microphone volume irrespective of architecture and construction details. For a given piezoelectric material, microphone SNR can be reduced t...
作者:David A. Dick , Michelle C. Vigeant
来源:[J].Applied Acoustics(IF 1.097), 2016, Vol.107, pp.34-45
摘要:Abstract(#br)The traditional microphone configuration used to measure room impulse responses (IRs) according to ISO 3382:2009 is an omnidirectional and figure-8 microphone pair. IRs measurements were taken in a 2500-seat auditorium to determine how the results from a spherical microphone...
作者:Zhe Chen , Zhenglin Li , Shuwen Wang ...
来源:[J].Applied Acoustics(IF 1.097), 2015, Vol.95, pp.13-19
摘要:Abstract(#br)The geometrical structure and size of a distributed microphone array are usually irregular, and need to be estimated in many applications. A microphone position calibration method based on combination of acoustic energy decay model and time difference of arrival for ...
作者:Thomas Padois , Olivier Doutres , Franck Sgard ...
来源:[J].Mechanical Systems and Signal Processing(IF 1.913), 2019, Vol.132, pp.546-559
摘要:... This task can be done with a microphone array and a source localization technique. Previous studies have shown promising results with time domain beamforming based on the generalized cross-correlation technique. The objective of this work is to propose an optimal spherical microphone...
作者:Bahram Azizolla Ganji , SedigheBabaei Sedaghat , Alberto Roncaglia ...
来源:[J].Solid State Electronics(IF 1.482), 2018
摘要:Abstract(#br)This paper will focus on design, fabrication and characterization of a new MEMS capacitive microphone with the perforated diaphragm supported by Z- shape arms using SOI wafer. The aim is to fabricate a new microphone with the smallest size, simple and low cost. The ...
作者:Tanmay Biswas , Sudhindu Bikash Mandal , Debasri Saha ...
来源:[J].Microprocessors and Microsystems(IF 0.549), 2017, Vol.55, pp.111-118
摘要:Abstract(#br)This paper, presents a design and implementation of dual microphone coherence based speech enhancement technique using field programmable gate array (FPGA). In order to have a proper enhancement of dual microphone system, we require to estimate the time delay of arri...
作者:Patrick J. Turgeon , Steven L. Van Wilgenburg , Kiel L. Drake
来源:[J].Avian Conservation and Ecology(IF 0.467), 2017, Vol.12 (1)
摘要:... We assessed whether microphone sensitivity impacted the probability of detecting bird vocalizations by broadcasting a sequence of 12 calls toward an array of commercially available ARUs equipped with microphones of varying sensitivities under three levels (32 dBA, 42 dBA, and...
作者:N. Murdoch , B. Chide , J. Lasue ...
来源:[J].Planetary and Space Science(IF 2.109), 2019, Vol.165, pp.260-271
摘要:Abstract(#br)The SuperCam instrument suite onboard the Mars 2020 rover will include the Mars Microphone, an experiment designed to record the sounds of the SuperCam laser strikes on rocks and also aeolian noise. In order to record shock waves produced by the laser blasts, the M...

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