978-620-0-48667-7

Speech Enhancement: Analysis of beamformers in reverberant environments

Simulation of mic inaccuracies and robustness analysis of Beamformers in reverberant environments using quality metrics

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Summary:

This book is an excerpt of the collective work done on reducing microphone inaccuracies using various adaptive beamformers and emphasizes on-the Elko’s Beamformer, the Weiner Beamformer, Max-SNIR Beamformer and the delay-and-sum beamformer. These beamformers are implemented with the fractional delay capability and then tested under reverberant conditions. This work mainly concentrates on the effect of Reverberation on the outcome of a beamformer. A reverberant room environment is simulated and the effect of reverberation on an Elko’s beamformer output is compared with that of a Weiner beamformer.

Author:

Aditya Sri Teja Palanki

Biographie:

Aditya Sri Teja Palanki has a Masters degree in Digital Signal Processing from the Blekinge Institute of technology, Sweden. He has close to 10 years of industrial expertise in and around Audio signal processing. He is currently working as an Audio DSP Engineer, Product Integration at Phonak, Sweden.

Number of Pages:

96

Book language:

English

Published On:

2020-07-13

ISBN:

978-620-0-48667-7

Publishing House:

LAP LAMBERT Academic Publishing

Keywords:

Speech Enhancement, Beamformer, reverberation, hearing aids, Noise Cancellation, fractional delay, Spatial Filtering, acoustics, PESQ, SNR, Elko beamformer, Weiner beamformer, Source localization, noise reduction, Microphone arrays

Product category:

TECHNOLOGY / Electronics / General