Essays about: "microphone array signal processing"
Showing result 1 - 5 of 19 essays containing the words microphone array signal processing.
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1. Approach for frequency response-calibration for microphone arrays
University essay from KTH/Hälsoinformatik och logistikAbstract : Matched frequency responses are a fundamental starting point for a variety ofimplementations for microphone arrays. In this report, two methods for frequencyresponse-calibration of a pre-assembled microphone array are presented andevaluated. READ MORE
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2. Development of a demo platform on mobile devices for 2D- and 3D-sound processing
University essay from Uppsala universitet/ElektricitetsläraAbstract : This thesis project aims for the development of a demonstration platform on mobile devices for testing and demonstrating algorithms for 2D and 3D spatial sound reproduction. The demo system consists of four omnidirectional microphones in a square planar array, an Octo sound card (from Audio Injector), a Raspberry Pi 3B+ (R-Pi) single-board computer and an inertial measurement unit (IMU) located in the center of the array. READ MORE
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3. Physical Structures for Signal Separation
University essay from Lunds universitet/Institutionen för elektro- och informationsteknikAbstract : This master’s thesis studies the use of physical structures for signal source separation. A parabolic reflector was used to alter the directional properties of one microphone in a two-microphone array. A method to estimate the mixing channels from measured data is presented, as well as a method to find the optimal separating channels. READ MORE
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4. Sound Source Localization and Beamforming for Teleconferencing Solutions
University essay from Umeå universitet/Institutionen för matematik och matematisk statistikAbstract : In teleconferencing the audio quality is key to conducting successful meetings. The conference room setting imposes various challenges on the speech signal processing, such as noise and interfering signals, reverberation, or participants positioned far from the telephone unit. READ MORE
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5. Implementation and evaluation of spectral subtraction (SS) with minimum statistics and wiener beamformer combination
University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskapAbstract : In mobile communication systems, speech signal can be distorted by acoustic noise such as babble speech noise. Such kind of noises can distort the quality of speech signal to a high extent. READ MORE