منابع مشابه
Microphone Array Speech Processing
1Department of Electrical and Computer Engineering, Curtin University of Technology, Perth, WA 6845, Australia 2College of Engineering & Computer Science, The Australian National University, Canberra, ACT 0200, Australia 3 Institute of Physics, Signal Processing Group, University of Oldenburg, 26111 Oldenburg, Germany 4 School of Engineering, Bar-Ilan University, 52900 Tel Aviv, Israel 5Departm...
متن کاملMicrophone Array Processing for Robust Speech Recognition
Speech recognition performance degrades significantly in distant-talking environments, where the speech signals can be severely distorted by additive noise and reverberation. In such environments, the use of microphone arrays has been proposed as a means of improving the quality of captured speech signals. Currently, microphone-array-based speech recognition is performed in two independent stag...
متن کاملHMM adaptation and microphone array processing for distant speech recognition
Connected strings of seven digits from the TIDIGITS database were recorded in a reverberant office room for evaluation using microphone array processing and HMM, Hidden Markov Model, adaptation. A sixteen-channel linear microphone array records a distance speech database useful for further experimentation. The adaptation techniques of Parallel Model Combination (PMC) and Maximum Likelihood Line...
متن کاملA Microphone Array System for Speech Recognition
In the past year, we have studied the microphone-array placement problem and come up with some optimal placements for a linear microphone array. In so doing we have developed a new method for general nonlinear optimization which we call the Stochastic Region Contraction method. This allowed us to get optimal solutions to our problem -globally optimal -in far less time than simulated annealing w...
متن کاملMicrophone-Array Systems for Speech Recognition Input
An understanding of algorithmic and engineering techniques for the construction of a high-quality microphone array system for speech input to machines is the goal of this project; it implicitly assumes that wearing a head-mounted microphone, or sitting at a fixed location in front of a table microphone is most often an unacceptable imposition for a user of a speech recognizer. Rather, the array...
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ژورنال
عنوان ژورنال: EURASIP Journal on Advances in Signal Processing
سال: 2010
ISSN: 1687-6180
DOI: 10.1155/2010/694216