Acoustic environment

Xem 1-14 trên 14 kết quả Acoustic environment
  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Localization of Directional Sound Sources Supported by A Priori Information of the Acoustic Environment

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Time Delay Estimation in Room Acoustic Environments: An Overview

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  • This book discusses an emerging approach to architecture in which building performance is a guiding design principle. This architecture places broadly defined performance above, or on a par with, form-making; it utilizes digital technologies of quantitative and qualitative performance-based simulation to offer a comprehensive new approach to the design of the built environment.

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  • The concept of acoustic wave is a pervasive one, which emerges in any type of medium, from solids to plasmas, at length and time scales ranging from sub-micrometric layers in microdevices to seismic waves in the Sun's interior. This book presents several aspects of the active research ongoing in this field. Theoretical efforts are leading to a deeper understanding of phenomena, also in complicated environments like the solar surface boundary.

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  • Independent Component Analysis (ICA) is a signal-processing method to extract independent sources given only observed data that are mixtures of the unknown sources. Recently, Blind Source Separation (BSS) by ICA has received considerable attention because of its potential signal-processing applications such as speech enhancement systems, image processing, telecommunications, medical signal processing and several data mining issues.

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  • Adaptive filtering can be used to characterize unknown systems in time-variant environments. The main objective of this approach is to meet a difficult comprise: maximum convergence speed with maximum accuracy. Each application requires a certain approach which determines the filter structure, the cost function to minimize the estimation error, the adaptive algorithm, and other parameters; and each selection involves certain cost in computational terms, that in any case should consume less time than the time required by the application working in real-time....

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  • EURASIP Journal on Applied Signal Processing 2003:8, 814–823 c 2003 Hindawi Publishing Corporation On the Use of Evolutionary Algorithms to Improve the Robustness of Continuous Speech Recognition Systems in Adverse Conditions Sid-Ahmed Selouani Secteur Gestion de l’Information, Universit´ de Moncton, Campus de Shippagan, 218 boulevard J.-D.-Gauthier, e Shippagan, Nouveau-Brunswick, Canada E8S 1P6 Email: selouani@umcs.

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  • EURASIP Journal on Applied Signal Processing 2003:11, 1110–1124 c 2003 Hindawi Publishing Corporation Robust Adaptive Time Delay Estimation for Speaker Localization in Noisy and Reverberant Acoustic Environments Simon Doclo Department of Electrical Engineering, Katholieke Universiteit Leuven, ESAT-SISTA, Kasteelpark Arenberg 10, B-3001 Heverlee, Belgium Email: simon.doclo@esat.kuleuven.ac.be Marc Moonen Department of Electrical Engineering, Katholieke Universiteit Leuven, ESAT-SISTA, Kasteelpark Arenberg 10, B-3001 Heverlee, Belgium Email: marc.moonen@esat.kuleuven.ac.

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Measurement Combination for Acoustic Source Localization in a Room Environment

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Particle Filter Design Using Importance Sampling for Acoustic Source Localisation and Tracking in Reverberant Environments

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  • Speech recognition affords automobile drivers a hands-free, eyes-free method of replying to Short Message Service (SMS) text messages. Although a voice search approach based on template matching has been shown to be more robust to the challenging acoustic environment of automobiles than using dictation, users may have difficulties verifying whether SMS response templates match their intended meaning, especially while driving. Using a high-fidelity driving simulator, we compared dictation for SMS replies versus voice search in increasingly difficult driving conditions. ...

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  • Awareness of one’s environment is important in everyday life situations for humans, animals and in various scientifi c and engineering applications. Living organisms can observe their surroundings using their senses, whereas man-made systems need to be equipped with diff erent sensors (e.g. image, acoustic or touch). Whatever the nature of the signal acquisition system, be it technical or biological, an advanced processing of sensory data is needed in order to derive localization information....

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  • Wet sulfate deposits: eastern North America. (Source: Environment Canada SOE 96-2, Spring 1996.) LK P, P0 S r, Dr t = reactivity index = pressure, Pa = surface area of the test panel, m2 = distance, m = time, s Pa, Pb = pressure, Pa W, W0 = power, pW Acoustic Enclosures, Turbine A-13 FIG. A-7 Trends in lake sulfate levels (North America). (Source: Environment Canada SOE 96-2, Spring 1996.

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  • TRANSIENT NOISE PULSES 13.1 Transient Noise Waveforms 13.2 Transient Noise Pulse Models 13.3 Detection of Noise Pulses 13.4 Removal of Noise Pulse Distortions 13.5 Summary ransient noise pulses differ from the short-duration impulsive noise studied in the previous chapter, in that they have a longer duration and a relatively higher proportion of low-frequency energy content, and usually occur less frequently than impulsive noise. The sources of transient noise pulses are varied, and may be electromagnetic, acoustic or due to physical defects in the recording medium.

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