Results 11 to 20 of about 2,510 (233)
Time Domain Spherical Harmonic Processing with Open Spherical Microphones Recording
Applied Sciences, 2021 Spherical harmonic analysis has been a widely used approach for spatial audio processing in recent years. Among all applications that benefit from spatial processing, spatial Active Noise Control (ANC) remains unique with its requirement for open ...
Huiyuan Sun +2 more
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Sound Localization for Ad-Hoc Microphone Arrays
Energies, 2021 Sound localization is a field of signal processing that deals with identifying the origin of a detected sound signal. This involves determining the direction and distance of the source of the sound.
Muhammad Usman Liaquat +5 more
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Steerable differential beamformers with planar microphone arrays
EURASIP Journal on Audio, Speech, and Music Processing, 2020 Humanoid robots require to use microphone arrays to acquire speech signals from the human communication partner while suppressing noise, reverberation, and interferences.
Gongping Huang +4 more
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Remote Sensing in Ecology and Conservation, 2021 Ecoacoustics needs sophisticated acoustic monitoring tools to extract a wide level of features from an observed mixture of sounds. We have developed a portable acoustic monitoring system called ‘HARKBird’ which consists of a laptop PC and an inexpensive ...
Shinji Sumitani +5 more
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Radiation mode–based microphone array: Experimental verification [PDF]
JASA Express LettersThe mouth of a speaker is generally close to the microphones of speech communication devices, such as headsets and phones, whereas noise sources are more distant from the microphones.
Yudai Utsuki, Tsutomu Kaizuka
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MISSION-ORIENTED SENSOR ARRAYS AND UAVs – A CASE STUDY ON ENVIRONMENTAL MONITORING [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015 This paper presents a new concept of UAV mission design in geomatics, applied to the generation of thematic maps for a multitude of civilian and military applications.
N. M. Figueira +3 more
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EURASIP Journal on Audio, Speech, and Music Processing, 2021 Localization of multiple speakers using microphone arrays remains a challenging problem, especially in the presence of noise and reverberation. State-of-the-art localization algorithms generally exploit the sparsity of speech in some representation for ...
Sushmita Thakallapalli +2 more
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An Introduction to Virtual Phased Arrays for Beamforming Applications
Archives of Acoustics, 2014 Sound localization problems are usually tackled by the acquisition of data from phased microphone arrays and the application of acoustic holography or beamforming algorithms.
Daniel FERNÁNDEZ COMESAÑA +3 more
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Spheroidal ambisonics: Spatial audio in spheroidal bases [PDF]
JASA Express Letters, 2021 Ambisonics is an established framework to capture and reproduce spatial sound fields based on the spherical harmonics representation [Gerzon (1973). J. Audio Eng. Soc. 21(1), 2–10].
Shoken Kaneko, Ramani Duraiswami
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SPEECH ACQUISITION IN NOISY ENVIRONMENTS USING DUAL MICROPHONE ARRAYS [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2018 Subject of Research.The paper deals with the practical aspects of distant speech acquisition in complex noisy environments using dual microphone arrays (MA2). The non-adaptive frequency-domain algorithms are described. The theory of MA2 is well developed
Stolbov M.B., The Quan Trong
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