Microphone Array Signal Processing
Microphone Array Signal Processing for Robot Audition
... account for the movement of the sound sources since talkers are rarely stationary. It is advantageous to employ tracking techniques that exploit models of source movement in order to improve on the raw output of a DOA ...
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Spherical microphone array processing for acoustic parameter estimation and signal enhancement
... any microphone array configuration is possible; in practice, most micro- phone arrays are planar, ...Spherical microphone arrays [1, 90] are usually either open or rigid, ...
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On Microphone-Array Beamforming from a MIMO Acoustic Signal Processing Perspective
... On Microphone--------Array Beamforming Array Beamforming Array Beamforming Array Beamforming Array Beamforming Array Beamforming Array Beamforming Array ...
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Microphone array processing using reflections constructively
... the array output by suppressing it using a beam- ...direct-path signal in or- der to improve the output signal-to-noise ratio ...spherical microphone arrays” by Peled and ...
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Microphone array processing techniques for classroom based videoconferencing
... In chapter 2, we discussed the characteristics and phenomena associated with sound propagation in enclosed “room” environments. We introduced the concept of the source-room-microphone system as being linear and ...
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A Microphone Array for Hearing Aids
... an array of two or more microphones mounted on a housing supported on the chest of a user by a conducting loop encircling the user’s ...neck. Signal processing elec- tronics contained in the same ...
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Robust Distant Speech Recognition by Combining Multiple Microphone-Array Processing with Position-Dependent CMN
... speech signal received by a microphone is a ff ected by the microphone position and the distance from the sound source to the ...every microphone should be di ff erent, and the e ff ect of ...
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Array signal processing algorithms for localization and equalization in complex acoustic channels
... Overview: This chapter introduces a method of equalizing the effects of reverberation within a region of interest, using a modal description of the sound pressure in sound field reproduc- tion applications. We propose ...
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Directivity Control of a Microphone Array in the Vehicle Cabin
... the microphone not receiving background noise is ...speech signal quality is too poor to be received, especially when the speaker is at a far away from the ...the signal-to-noise ratio (SNR) of a ...
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Visually-guided beamforming for a circular microphone array
... 3.7: Signal-to-interference ratio between target and interference from frequency 400Hz to ...and signal power of the input speech helps to reduce uncertainty in the ...testing microphone array ...
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THE MICROPHONE ARRAY MULTI DOMAIN FUSIONS LOCATION ARITHMETIC
... different processing domains are interconnected and not completely corresponding, the other is that there are many kinds of signals and the definition of ambiguity is incomplete, that is to say, the signal ...
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Signal processing techniques for seat belt microphone arrays
... terms of smoothing constants, multiplicative constants of the coupling factors, etc. The first scenario for testing the echo canceler is a reg- ular speech activity from both the remote side and the local side in the ...
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AN ADAPTIVE MICROPHONE ARRAY TOPOLOGY FOR TARGET SIGNAL EXTRACTION WITH HUMANOID ROBOTS
... the microphone array, ...the microphone spacings to the cur- rent acoustic scenario, and therefore, enable the robot to better focus on the desired ...inappropriate array aperture. Adaptation ...
Array signal processing robust to pointing errors
... RRAY signal processing has long been of great research interest given its important role in a great variety of military and commercial appli- cations, such as in radar, wireless communications, sonar, ...
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An experimental comparison of source separation and beamforming techniques for microphone array signal enhancement
... further signal distortion due to the aggressive removal of the noise that approaches a binary mask, but can also add musical noise like ...resulting signal for most of the ...
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Microphone Independent Robust Signal Processing Using Probabilistic Optimum Filtering
... MICROPHONE INDEPENDENT ROBUST SIGNAL PROCESSING USING PROBABILISTIC OPTIMUM FILTERING MICROPHONE INDEPENDENT ROBUST SIGNAL PROCESSING USING PROBABILISTIC OPTIMUM FILTERING Leonardo Neumeyer and Mitche[.] ...
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Microphone array techniques for aeroacoustics
... the microphone signals become the same, thus forcing the signals into phase with one another with respect to a specified ...the array can be shifted about in space, boosting the signal to noise ratio ...
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Array signal processing in cochlear implants with regularized inversion
... The above solution does not extend what Hornet and Kelsall have done in a very useful manner and in fact it may be worse in some ways. However it does offer the possibility to improve things in the future. For example ...
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DOA estimation, antenna arrays, array signal processing.
... The PRIME algorithm allows a polynomial rooting approach to estimate joint azimuth/elevation parameters of the signal detection for planer arrays. This method calculates a finite set of root intersections, which ...
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Array Signal Processing for Synthetic Aperture Radar (SAR)
... self-adaption array signal processing and spatial spectrum ...of processing algorithms of SAR are based on the matched filter method, such as the range-Doppler al- gorithm [5] [26], the ...
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