Real-time multiple sound source localization and counting using a soundfield microphone

M Jia, J Sun, C Bao - Journal of ambient intelligence and humanized …, 2017 - Springer
In this work, a multiple sound source localization and counting method based on a relaxed
sparsity of speech signal is presented. A soundfield microphone is adopted to overcome the …

Direction of arrival estimation with uniform linear array based on recurrent neural network

M Wajid, B Kumar, A Goel, A Kumar… - 2019 5th international …, 2019 - ieeexplore.ieee.org
This paper proposes the direction of arrival (DOA) estimation of an acoustic source based on
a recurrent neural network (RNN) with a uniform linear array (ULA). The RNN has been …

Separation of multiple speech sources by recovering sparse and non-sparse components from B-format microphone recordings

M Jia, J Sun, C Bao, C Ritz - Speech Communication, 2018 - Elsevier
This paper proposes a blind source separation (BSS) method for recovering multiple speech
sources from sound fields recorded by a B-format microphone. This microphone provides a …

Direction-of-arrival estimation algorithms using single acoustic vector-sensor

M Wajid, A Kumar, R Bahl - 2017 International Conference on …, 2017 - ieeexplore.ieee.org
Direction-of-arrival (DoA) estimation of an acoustic source has numerous applications
ranging from defence to entertainment industry. The DoA of an acoustic source can be …

Support vector machine-based direction of arrival estimation with uniform linear array

S Yadav, M Wajid, M Usman - Advances in Computational Intelligence …, 2020 - Springer
This chapter proposes a direction of arrival (DOA) estimation of an acoustic source based on
support vector machine (SVM) with uniform linear array (ULA). The SVM has been trained …

Improved direction-of-arrival estimation of an acoustic source using support vector regression and signal correlation

F Alam, M Usman, HI Alkhammash, M Wajid - Sensors, 2021 - mdpi.com
The direction-of-arrival (DoA) estimation of an acoustic source can be estimated with a
uniform linear array using classical techniques such as generalized cross-correlation …

Directional sparse filtering for blind estimation of under-determined complex-valued mixing matrices

AHT Nguyen, VG Reju… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
We propose an algorithm that exploits the benefits of sparse filtering and directional
clustering when estimating under-determined mixing matrix from mixtures of sufficiently …

Deep and sparse learning in speech and language processing: An overview

D Wang, Q Zhou, A Hussain - … in Brain Inspired Cognitive Systems: 8th …, 2016 - Springer
Large-scale deep neural models, eg, deep neural networks (DNN) and recurrent neural
networks (RNN), have demonstrated significant success in solving various challenging tasks …

Support vector regression based direction of arrival estimation of an acoustic source

M Wajid, F Alam, S Yadav, MA Khan… - … on Innovation and …, 2020 - ieeexplore.ieee.org
The direction-of-arrival (DOA) estimation of an acoustic is instrumental in many applications
such as surveillance, robotics, defense, etc. This paper proposes the DOA estimation …

A Null space approach for complete and over-complete blind source separation of autoregressive source signals

LY Taha, E Abdel-Raheem - 2017 IEEE 30th Canadian …, 2017 - ieeexplore.ieee.org
This paper presents a method of blind source separation (BSS) of autoregressive (AR)
signals for complete and over-complete cases. It is based on a new separation matrix …