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6 Beamforming Combined with Multi-channel Acoustic Echo Cancellation
For audio signal acquisition, beamforming microphone arrays can be efficiently used for enhancing a desired signal while suppressing...
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4 Optimum Beamforming for Wideband Non-stationary Signals
Array processing techniques strive for extraction of maximum information from a propagating wave field using groups of sensors, which are located at...
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B Experimental Setups and Acoustic Environments
In this chapter, the experimental setup and the acoustic environments are described, which are used in this work for illustrating the properties of...
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5 A Practical Audio Acquisition System Using a Robust GSC (RGSC)
In the preceding chapter, we have seen that data-dependent beamformers can be efficiently realized in GSC structures. However, GSCs, or more general...
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3 Optimum Linear Filtering
In this chapter, we introduce the concept of optimum linear filtering for multiple-input multiple-output (MIMO) digital systems for solving...
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8 Summary and Conclusions
Convenient human/machine interaction requires acoustic front-ends which allow seamless and hands-free audio communication. For suppressing...
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A Estimation of Signal-to-Interference-Plus-Noise Ratios (SINRs) Exploiting Non-stationarity
Our discussion about optimum data-dependent beamforming has shown that the second-order statistics of the sensor signals w.r.t. the desired signal...
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2 Space-Time Signals
In single-channel techniques for hands-free acoustic human/machine interfaces, we deal with waveforms which are functions of the continuous time. The...
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7 Efficient Real-Time Realization of an Acoustic Human/Machine Front-End
In the previous chapters, we discussed options for data-dependent optimum beamforming for acoustic human/machine front-ends on cost-sensitive...
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1 Introduction
With a continuously increasing desire for natural and comfortable human/machine interaction, the acoustic interface of any terminal for multimedia or...
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C Notations
The following conventions are used: Lower case boldface denotes vectors, upper case boldface denotes matrices. The subscript (⋅) f...
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XLVI Mexican Conference on Biomedical Engineering Proceedings of CNIB 2023, November 2–4, 2023, Villahermosa Tabasco, México - Volume 1: Signal Processing And Bioinformatics
This book reports on cutting-edge research and best practices in the broad fiel of biomedical engineering. Based on the XLVI Mexican Congress on...
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IX Latin American Congress on Biomedical Engineering and XXVIII Brazilian Congress on Biomedical Engineering Proceedings of CLAIB and CBEB 2022, October 24–28, 2022, Florianópolis, Brazil—Volume 2: Biomedical Signal Processing and Micro- and Nanotechnologies
This book reports on the latest research and developments in Biomedical Engineering, with a special emphasis on topics of interest and findings...
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Virtual Reality and Virtual Environments in 10 Lectures
This book offers an easily understood introduction to the core concepts of Virtual Reality, Virtual Environments and related topics of Augmented...
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6th International Conference on Signal Processing and Information Communications ICSPIC 2023
This book presents the proceedings of the 6th International Conference on Signal Processing and Information Communications (ICSPIC 2023), which was...
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Image Watermarking Techniques
This book investigates the image watermarking domain, analyzing and comparing image watermarking techniques that exist in current literature. The...
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Engineering Mathematics by Example Vol. III: Special Functions and Transformations
This textbook is a complete, self-sufficient, self-study/tutorial-type source of mathematical problems. It serves as a primary source for practicing...
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Signals and Systems with MATLAB® and Simulink®
This textbook provides a compact but comprehensive treatment that guides students to solve Signals and Systems problems using MATLAB®/Simulink®....
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ArtsIT, Interactivity and Game Creation 12th EAI International Conference, ArtsIT 2023, São Paulo, Brazil, November 27-29, 2023, Proceedings, Part II
This book constitutes the refereed post-conference proceedings the 12thEAI International Conference on ArtsIT, Interactivity and Game Creation,...
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Distributed Computing and Intelligent Technology 20th International Conference, ICDCIT 2024, Bhubaneswar, India, January 17–20, 2024, Proceedings
This book constitutes the refereed proceedings of the 20th International Conference on Distributed Computing and Intelligent Technology, ICDCIT 2024,...