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Loudspeaker and Microphone Array Signal Processing

Combining Artificial and Natural Background Noise in Personal Audio Systems


Personal audio systems are designed to deliver spatially separated regions of audio to individual listeners. This paper presents a method for improving the privacy of such systems. The level of a synthetic masking signal is optimised to provide specified levels of intelligibility in the bright and dark sound zones and reduce the potential for annoyance of listeners
in the dark zone by responding to changes in ambient noise.

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Authors:
Daniel Wallace, Jordan Cheer
Submitted On:
16 July 2018 - 5:14am
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Presentation given at SAM 2018

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[1] Daniel Wallace, Jordan Cheer, "Combining Artificial and Natural Background Noise in Personal Audio Systems", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/3380. Accessed: Nov. 19, 2018.
@article{3380-18,
url = {http://sigport.org/3380},
author = {Daniel Wallace; Jordan Cheer },
publisher = {IEEE SigPort},
title = {Combining Artificial and Natural Background Noise in Personal Audio Systems},
year = {2018} }
TY - EJOUR
T1 - Combining Artificial and Natural Background Noise in Personal Audio Systems
AU - Daniel Wallace; Jordan Cheer
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/3380
ER -
Daniel Wallace, Jordan Cheer. (2018). Combining Artificial and Natural Background Noise in Personal Audio Systems. IEEE SigPort. http://sigport.org/3380
Daniel Wallace, Jordan Cheer, 2018. Combining Artificial and Natural Background Noise in Personal Audio Systems. Available at: http://sigport.org/3380.
Daniel Wallace, Jordan Cheer. (2018). "Combining Artificial and Natural Background Noise in Personal Audio Systems." Web.
1. Daniel Wallace, Jordan Cheer. Combining Artificial and Natural Background Noise in Personal Audio Systems [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/3380

Direction of Arrival Estimation with Microphone Arrays Using SRP-PHAT and Neural Networks


The Steered Response Power with phase transform (SRP-PHAT) is one of the most employed techniques for Direction of Arrival (DOA) estimation with microphone arrays due its robustness against acoustical conditions as reverberation or noise. Among its main drawbacks is the growth of its computational complexity when the search space increases. To solve this issue, we propose the use of Neural Networks (NN) to obtain the DOA as a regression problem from a low resolution SRP-PHAT power map.

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Authors:
Jose Ramon Beltran
Submitted On:
3 July 2018 - 5:28am
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Poster

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[1] Jose Ramon Beltran, "Direction of Arrival Estimation with Microphone Arrays Using SRP-PHAT and Neural Networks", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/3350. Accessed: Nov. 19, 2018.
@article{3350-18,
url = {http://sigport.org/3350},
author = {Jose Ramon Beltran },
publisher = {IEEE SigPort},
title = {Direction of Arrival Estimation with Microphone Arrays Using SRP-PHAT and Neural Networks},
year = {2018} }
TY - EJOUR
T1 - Direction of Arrival Estimation with Microphone Arrays Using SRP-PHAT and Neural Networks
AU - Jose Ramon Beltran
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/3350
ER -
Jose Ramon Beltran. (2018). Direction of Arrival Estimation with Microphone Arrays Using SRP-PHAT and Neural Networks. IEEE SigPort. http://sigport.org/3350
Jose Ramon Beltran, 2018. Direction of Arrival Estimation with Microphone Arrays Using SRP-PHAT and Neural Networks. Available at: http://sigport.org/3350.
Jose Ramon Beltran. (2018). "Direction of Arrival Estimation with Microphone Arrays Using SRP-PHAT and Neural Networks." Web.
1. Jose Ramon Beltran. Direction of Arrival Estimation with Microphone Arrays Using SRP-PHAT and Neural Networks [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/3350

On the Comparison of Two Room Compensation / Dereverberation Methods Employing Active Acoustic Boundary Absorption


In this paper, we compare the performance of two active dereverberation techniques using a planar array of microphones and loudspeakers. The two techniques are based on a solution to the Kirchhoff-Helmholtz Integral Equation (KHIE). We adapt a Wave Field Synthesis (WFS) based method to the application of real-time 3D dereverberation by using a low-latency pre-filter design. The use of First-Order Differential (FOD) models is also proposed as an alternative method to the use of monopoles with WFS and which does not assume knowledge of the room geometry or primary sources.

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Authors:
Christian Ritz, W. Bastiaan Kleijn
Submitted On:
26 April 2018 - 12:55am
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Poster presentation

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[1] Christian Ritz, W. Bastiaan Kleijn, "On the Comparison of Two Room Compensation / Dereverberation Methods Employing Active Acoustic Boundary Absorption", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/3182. Accessed: Nov. 19, 2018.
@article{3182-18,
url = {http://sigport.org/3182},
author = {Christian Ritz; W. Bastiaan Kleijn },
publisher = {IEEE SigPort},
title = {On the Comparison of Two Room Compensation / Dereverberation Methods Employing Active Acoustic Boundary Absorption},
year = {2018} }
TY - EJOUR
T1 - On the Comparison of Two Room Compensation / Dereverberation Methods Employing Active Acoustic Boundary Absorption
AU - Christian Ritz; W. Bastiaan Kleijn
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/3182
ER -
Christian Ritz, W. Bastiaan Kleijn. (2018). On the Comparison of Two Room Compensation / Dereverberation Methods Employing Active Acoustic Boundary Absorption. IEEE SigPort. http://sigport.org/3182
Christian Ritz, W. Bastiaan Kleijn, 2018. On the Comparison of Two Room Compensation / Dereverberation Methods Employing Active Acoustic Boundary Absorption. Available at: http://sigport.org/3182.
Christian Ritz, W. Bastiaan Kleijn. (2018). "On the Comparison of Two Room Compensation / Dereverberation Methods Employing Active Acoustic Boundary Absorption." Web.
1. Christian Ritz, W. Bastiaan Kleijn. On the Comparison of Two Room Compensation / Dereverberation Methods Employing Active Acoustic Boundary Absorption [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/3182

Impact of Microphone Array Configurations on Robust Indirect 3D Acoustic Source Localization


Acoustic source localization (ASL) is an important problem. Despite much attention over the past few decades, rapid and

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Authors:
Keith Brown, Kartic Subr
Submitted On:
13 April 2018 - 6:16pm
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icassp_ELIZABETH_VARGAS_sigport.pdf

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[1] Keith Brown, Kartic Subr, "Impact of Microphone Array Configurations on Robust Indirect 3D Acoustic Source Localization", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/2770. Accessed: Nov. 19, 2018.
@article{2770-18,
url = {http://sigport.org/2770},
author = {Keith Brown; Kartic Subr },
publisher = {IEEE SigPort},
title = {Impact of Microphone Array Configurations on Robust Indirect 3D Acoustic Source Localization},
year = {2018} }
TY - EJOUR
T1 - Impact of Microphone Array Configurations on Robust Indirect 3D Acoustic Source Localization
AU - Keith Brown; Kartic Subr
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/2770
ER -
Keith Brown, Kartic Subr. (2018). Impact of Microphone Array Configurations on Robust Indirect 3D Acoustic Source Localization. IEEE SigPort. http://sigport.org/2770
Keith Brown, Kartic Subr, 2018. Impact of Microphone Array Configurations on Robust Indirect 3D Acoustic Source Localization. Available at: http://sigport.org/2770.
Keith Brown, Kartic Subr. (2018). "Impact of Microphone Array Configurations on Robust Indirect 3D Acoustic Source Localization." Web.
1. Keith Brown, Kartic Subr. Impact of Microphone Array Configurations on Robust Indirect 3D Acoustic Source Localization [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/2770

MITIGATION OF NONLINEAR DISTORTION IN SOUND ZONE CONTROL BY CONSTRAINING INDIVIDUAL LOUDSPEAKER DRIVER CONTROL EFFORTS


Loudspeaker drivers are subject to nonlinear distortion in the low frequency range at high input levels. In sound zone control, distortion not only reduces the acoustic contrast between zones, but also gives perceived artefacts. Standard sound zone methods, such as acoustic contrast control, apply a constraint to the overall input power, but individual loudspeaker drivers are not controlled and the nonlinear distortion is mainly produced by the loudspeaker drivers with the highest input power.

Poster1.pdf

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Authors:
Xiaohui Ma, Patrick J. Hegarty, Jakob Juul Larsen
Submitted On:
13 April 2018 - 5:41pm
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Poster1.pdf

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[1] Xiaohui Ma, Patrick J. Hegarty, Jakob Juul Larsen, "MITIGATION OF NONLINEAR DISTORTION IN SOUND ZONE CONTROL BY CONSTRAINING INDIVIDUAL LOUDSPEAKER DRIVER CONTROL EFFORTS", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/2768. Accessed: Nov. 19, 2018.
@article{2768-18,
url = {http://sigport.org/2768},
author = {Xiaohui Ma; Patrick J. Hegarty; Jakob Juul Larsen },
publisher = {IEEE SigPort},
title = {MITIGATION OF NONLINEAR DISTORTION IN SOUND ZONE CONTROL BY CONSTRAINING INDIVIDUAL LOUDSPEAKER DRIVER CONTROL EFFORTS},
year = {2018} }
TY - EJOUR
T1 - MITIGATION OF NONLINEAR DISTORTION IN SOUND ZONE CONTROL BY CONSTRAINING INDIVIDUAL LOUDSPEAKER DRIVER CONTROL EFFORTS
AU - Xiaohui Ma; Patrick J. Hegarty; Jakob Juul Larsen
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/2768
ER -
Xiaohui Ma, Patrick J. Hegarty, Jakob Juul Larsen. (2018). MITIGATION OF NONLINEAR DISTORTION IN SOUND ZONE CONTROL BY CONSTRAINING INDIVIDUAL LOUDSPEAKER DRIVER CONTROL EFFORTS. IEEE SigPort. http://sigport.org/2768
Xiaohui Ma, Patrick J. Hegarty, Jakob Juul Larsen, 2018. MITIGATION OF NONLINEAR DISTORTION IN SOUND ZONE CONTROL BY CONSTRAINING INDIVIDUAL LOUDSPEAKER DRIVER CONTROL EFFORTS. Available at: http://sigport.org/2768.
Xiaohui Ma, Patrick J. Hegarty, Jakob Juul Larsen. (2018). "MITIGATION OF NONLINEAR DISTORTION IN SOUND ZONE CONTROL BY CONSTRAINING INDIVIDUAL LOUDSPEAKER DRIVER CONTROL EFFORTS." Web.
1. Xiaohui Ma, Patrick J. Hegarty, Jakob Juul Larsen. MITIGATION OF NONLINEAR DISTORTION IN SOUND ZONE CONTROL BY CONSTRAINING INDIVIDUAL LOUDSPEAKER DRIVER CONTROL EFFORTS [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/2768

DIRECTIVITY SYNTHESIS WITH MULTIPOLES COMPRISING A CLUSTER OF FOCUSED SOURCES USING A LINEAR LOUDSPEAKER ARRAY


A method to create multipoles comprising a cluster of focused sources by using a linear loudspeaker array has recently been investigated. Directivities in a listening area were confirmed with examples of primitive multipoles such as dipoles and quadrupoles. This paper describes a method to create a sound source having more complex directivity by using a superposition of multipoles comprising a collection of focused sources.

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Authors:
Yoichi Haneda, Ken'ichi Noguchi, Hideki Takada
Submitted On:
13 April 2018 - 6:17am
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poster

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[1] Yoichi Haneda, Ken'ichi Noguchi, Hideki Takada, "DIRECTIVITY SYNTHESIS WITH MULTIPOLES COMPRISING A CLUSTER OF FOCUSED SOURCES USING A LINEAR LOUDSPEAKER ARRAY", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/2682. Accessed: Nov. 19, 2018.
@article{2682-18,
url = {http://sigport.org/2682},
author = {Yoichi Haneda; Ken'ichi Noguchi; Hideki Takada },
publisher = {IEEE SigPort},
title = {DIRECTIVITY SYNTHESIS WITH MULTIPOLES COMPRISING A CLUSTER OF FOCUSED SOURCES USING A LINEAR LOUDSPEAKER ARRAY},
year = {2018} }
TY - EJOUR
T1 - DIRECTIVITY SYNTHESIS WITH MULTIPOLES COMPRISING A CLUSTER OF FOCUSED SOURCES USING A LINEAR LOUDSPEAKER ARRAY
AU - Yoichi Haneda; Ken'ichi Noguchi; Hideki Takada
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/2682
ER -
Yoichi Haneda, Ken'ichi Noguchi, Hideki Takada. (2018). DIRECTIVITY SYNTHESIS WITH MULTIPOLES COMPRISING A CLUSTER OF FOCUSED SOURCES USING A LINEAR LOUDSPEAKER ARRAY. IEEE SigPort. http://sigport.org/2682
Yoichi Haneda, Ken'ichi Noguchi, Hideki Takada, 2018. DIRECTIVITY SYNTHESIS WITH MULTIPOLES COMPRISING A CLUSTER OF FOCUSED SOURCES USING A LINEAR LOUDSPEAKER ARRAY. Available at: http://sigport.org/2682.
Yoichi Haneda, Ken'ichi Noguchi, Hideki Takada. (2018). "DIRECTIVITY SYNTHESIS WITH MULTIPOLES COMPRISING A CLUSTER OF FOCUSED SOURCES USING A LINEAR LOUDSPEAKER ARRAY." Web.
1. Yoichi Haneda, Ken'ichi Noguchi, Hideki Takada. DIRECTIVITY SYNTHESIS WITH MULTIPOLES COMPRISING A CLUSTER OF FOCUSED SOURCES USING A LINEAR LOUDSPEAKER ARRAY [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/2682

Potential-field-based active exploration for acoustic simultaneous localization and mapping


This paper presents a novel framework for active exploration in the context of acoustic \gls{SLAM} using a microphone array mounted on a mobile robotic agent. Acoustic \gls{SLAM} aims at building a map of acoustic sources present in the environment and simultaneously estimating the agent's own trajectory and position within this map. Two important aspects of this task are robustness against disturbances arising from reverberation and sensor imperfections and an appropriate degree of exploration to achieve high map accuracy.

slides.pdf

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Authors:
Christopher Schymura, Dorothea Kolossa
Submitted On:
13 April 2018 - 5:58am
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slides.pdf

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[1] Christopher Schymura, Dorothea Kolossa, "Potential-field-based active exploration for acoustic simultaneous localization and mapping", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/2676. Accessed: Nov. 19, 2018.
@article{2676-18,
url = {http://sigport.org/2676},
author = {Christopher Schymura; Dorothea Kolossa },
publisher = {IEEE SigPort},
title = {Potential-field-based active exploration for acoustic simultaneous localization and mapping},
year = {2018} }
TY - EJOUR
T1 - Potential-field-based active exploration for acoustic simultaneous localization and mapping
AU - Christopher Schymura; Dorothea Kolossa
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/2676
ER -
Christopher Schymura, Dorothea Kolossa. (2018). Potential-field-based active exploration for acoustic simultaneous localization and mapping. IEEE SigPort. http://sigport.org/2676
Christopher Schymura, Dorothea Kolossa, 2018. Potential-field-based active exploration for acoustic simultaneous localization and mapping. Available at: http://sigport.org/2676.
Christopher Schymura, Dorothea Kolossa. (2018). "Potential-field-based active exploration for acoustic simultaneous localization and mapping." Web.
1. Christopher Schymura, Dorothea Kolossa. Potential-field-based active exploration for acoustic simultaneous localization and mapping [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/2676

Structure from sound with incomplete data


In this paper, we consider the problem of jointly localizing a microphone array and identifying the direction of arrival of acoustic events. Under the assumption that the sources are in the far field, this problem can be formulated as a constrained low-rank matrix factorization with an unknown column offset. Our focus is on handling missing entries, particularly when the measurement matrix does not contain a single complete column. This case has not received attention in the literature and is not handled by existing algorithms, however it is prevalent in practice.

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Authors:
Miranda Kreković, Gilles Baechler, Ivan Dokmanic, Martin Vetterli
Submitted On:
13 April 2018 - 5:44am
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ICASSP2018_poster2.pdf

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[1] Miranda Kreković, Gilles Baechler, Ivan Dokmanic, Martin Vetterli, "Structure from sound with incomplete data", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/2671. Accessed: Nov. 19, 2018.
@article{2671-18,
url = {http://sigport.org/2671},
author = {Miranda Kreković; Gilles Baechler; Ivan Dokmanic; Martin Vetterli },
publisher = {IEEE SigPort},
title = {Structure from sound with incomplete data},
year = {2018} }
TY - EJOUR
T1 - Structure from sound with incomplete data
AU - Miranda Kreković; Gilles Baechler; Ivan Dokmanic; Martin Vetterli
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/2671
ER -
Miranda Kreković, Gilles Baechler, Ivan Dokmanic, Martin Vetterli. (2018). Structure from sound with incomplete data. IEEE SigPort. http://sigport.org/2671
Miranda Kreković, Gilles Baechler, Ivan Dokmanic, Martin Vetterli, 2018. Structure from sound with incomplete data. Available at: http://sigport.org/2671.
Miranda Kreković, Gilles Baechler, Ivan Dokmanic, Martin Vetterli. (2018). "Structure from sound with incomplete data." Web.
1. Miranda Kreković, Gilles Baechler, Ivan Dokmanic, Martin Vetterli. Structure from sound with incomplete data [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/2671

Combining range and direction for improved localization


Self-localization of nodes in a sensor network is typically achieved using either range or direction measurements; in this paper, we show that a constructive combination of both improves the estimation. We propose two localization algorithms that make use of the differences between the sensors’ coordinates, or edge vectors; these can be calculated from measured distances and angles. Our first method improves the existing edge-multidimensional scaling algorithm (E-MDS) by introducing additional constraints

Paper Details

Authors:
Gilles Baechler, Frederike Dümbgen, Golnoosh Elhami, Miranda Kreković, Robin Scheibler, Adam Scholefield, Martin Vetterli
Submitted On:
13 April 2018 - 5:37am
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ICASSP2018_poster_A0.pdf

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[1] Gilles Baechler, Frederike Dümbgen, Golnoosh Elhami, Miranda Kreković, Robin Scheibler, Adam Scholefield, Martin Vetterli, "Combining range and direction for improved localization", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/2670. Accessed: Nov. 19, 2018.
@article{2670-18,
url = {http://sigport.org/2670},
author = {Gilles Baechler; Frederike Dümbgen; Golnoosh Elhami; Miranda Kreković; Robin Scheibler; Adam Scholefield; Martin Vetterli },
publisher = {IEEE SigPort},
title = {Combining range and direction for improved localization},
year = {2018} }
TY - EJOUR
T1 - Combining range and direction for improved localization
AU - Gilles Baechler; Frederike Dümbgen; Golnoosh Elhami; Miranda Kreković; Robin Scheibler; Adam Scholefield; Martin Vetterli
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/2670
ER -
Gilles Baechler, Frederike Dümbgen, Golnoosh Elhami, Miranda Kreković, Robin Scheibler, Adam Scholefield, Martin Vetterli. (2018). Combining range and direction for improved localization. IEEE SigPort. http://sigport.org/2670
Gilles Baechler, Frederike Dümbgen, Golnoosh Elhami, Miranda Kreković, Robin Scheibler, Adam Scholefield, Martin Vetterli, 2018. Combining range and direction for improved localization. Available at: http://sigport.org/2670.
Gilles Baechler, Frederike Dümbgen, Golnoosh Elhami, Miranda Kreković, Robin Scheibler, Adam Scholefield, Martin Vetterli. (2018). "Combining range and direction for improved localization." Web.
1. Gilles Baechler, Frederike Dümbgen, Golnoosh Elhami, Miranda Kreković, Robin Scheibler, Adam Scholefield, Martin Vetterli. Combining range and direction for improved localization [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/2670

Generalised Sidelobe Canceller for noise reduction in hearing devices using an external microphone


The use of an external microphone in conjunction with an existing local microphone array can be particularly beneficial for noise reduction tasks that are critical for hearing devices, such as cochlear implants and hearing aids. Recent work has already demonstrated how an external microphone signal can be effectively incorporated into the common noise reduction technique of using a Minimum Variance Distortionless Response (MVDR) beamformer.

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Authors:
Randall Ali, Toon van Waterschoot, Marc Moonen
Submitted On:
13 April 2018 - 4:55am
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GSC_XM_ICASSP2018.pdf

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[1] Randall Ali, Toon van Waterschoot, Marc Moonen, "Generalised Sidelobe Canceller for noise reduction in hearing devices using an external microphone", IEEE SigPort, 2018. [Online]. Available: http://sigport.org/2659. Accessed: Nov. 19, 2018.
@article{2659-18,
url = {http://sigport.org/2659},
author = {Randall Ali; Toon van Waterschoot; Marc Moonen },
publisher = {IEEE SigPort},
title = {Generalised Sidelobe Canceller for noise reduction in hearing devices using an external microphone},
year = {2018} }
TY - EJOUR
T1 - Generalised Sidelobe Canceller for noise reduction in hearing devices using an external microphone
AU - Randall Ali; Toon van Waterschoot; Marc Moonen
PY - 2018
PB - IEEE SigPort
UR - http://sigport.org/2659
ER -
Randall Ali, Toon van Waterschoot, Marc Moonen. (2018). Generalised Sidelobe Canceller for noise reduction in hearing devices using an external microphone. IEEE SigPort. http://sigport.org/2659
Randall Ali, Toon van Waterschoot, Marc Moonen, 2018. Generalised Sidelobe Canceller for noise reduction in hearing devices using an external microphone. Available at: http://sigport.org/2659.
Randall Ali, Toon van Waterschoot, Marc Moonen. (2018). "Generalised Sidelobe Canceller for noise reduction in hearing devices using an external microphone." Web.
1. Randall Ali, Toon van Waterschoot, Marc Moonen. Generalised Sidelobe Canceller for noise reduction in hearing devices using an external microphone [Internet]. IEEE SigPort; 2018. Available from : http://sigport.org/2659

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