Microphone Array Wiener Beamformer and Speaker Localization
with emphasis on WOLA Filter Bank
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Book Statement: A microphone array is the promising solution for realizing hands-free speech recognition in real environments. Accurate talker localization is very important for speech recognition using the microphone array. However localization of a moving talker is difficult in noisy reverberant environments. The talker localization errors degrade the performance of speech recognition. A speech recognition algorithm is implemented to solve the problem, which considers multiple talker direction hypotheses. Abstract: This book describes the design and implementation of a speech enhancement sys...
Book Statement: A microphone array is the promising solution for realizing hands-free speech recognition in real environments. Accurate talker localization is very important for speech recognition using the microphone array. However localization of a moving talker is difficult in noisy reverberant environments. The talker localization errors degrade the performance of speech recognition. A speech recognition algorithm is implemented to solve the problem, which considers multiple talker direction hypotheses. Abstract: This book describes the design and implementation of a speech enhancement system that uses 4-channel microphone array beam forming and speech enhancement algorithms applied to a speech signal in a multiple source environment. To locate the accurate Direction of Arrival (DOA) from the source, it is necessary to design a suitable microphone array system with more efficient localization algorithm. The goal of the system is to improve the quality of the primary speech signal. The target groups for which the book was written are Room Impulse Response (RIR), Reverberation, WOLA Filter Bank, Adaptive Beamformers, SRP-PHAT.
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