[LIBRO][B] Theory and applications of spherical microphone array processing
The topic of spherical microphone array signal processing has been gaining importance
since the publications of Meyer and Elko around 2002, and fuelled by many others since …
since the publications of Meyer and Elko around 2002, and fuelled by many others since …
Decoupled multiple speaker direction-of-arrival estimator under reverberant environments
Direction-of-arrival (DOA) estimation for multiple simultaneous speakers in reverberant
environments is still one of the challenging tasks in the audio signal processing field. A …
environments is still one of the challenging tasks in the audio signal processing field. A …
Theory and design of compact hybrid microphone arrays on two-dimensional planes for three-dimensional soundfield analysis
Soundfield analysis based on spherical harmonic decomposition has been widely used in
various applications; however, a drawback is the three-dimensional geometry of the …
various applications; however, a drawback is the three-dimensional geometry of the …
Soundfield imaging in the ray space
In this work we propose a general approach to acoustic scene analysis based on a novel
data structure (ray-space image) that encodes the directional plenacoustic function over a …
data structure (ray-space image) that encodes the directional plenacoustic function over a …
[HTML][HTML] Simulating room transfer functions between transducers mounted on audio devices using a modified image source method
The image source method (ISM) is often used to simulate room acoustics due to its ease of
use and computational efficiency. The standard ISM is limited to simulations of room impulse …
use and computational efficiency. The standard ISM is limited to simulations of room impulse …
Applications of spatially localized active-intensity vectors for sound-field visualization
The purpose of this article is to detail and evaluate three alternative approaches to sound-
field visualization, which all employ the use of spatially localized active-intensity (SLAI) …
field visualization, which all employ the use of spatially localized active-intensity (SLAI) …
Coherence-based diffuseness estimation in the spherical harmonic domain
The diffuseness of sound fields has previously been estimated in the spatial domain using
the spatial coherence between a pair of microphones (omnidirectional or first-order). In this …
the spatial coherence between a pair of microphones (omnidirectional or first-order). In this …
Signal-dependent spatial filtering based on weighted-orthogonal beamformers in the spherical harmonic domain
S Delikaris-Manias, J Vilkamo… - IEEE/ACM Transactions …, 2016 - ieeexplore.ieee.org
Spatial filtering with microphone arrays is a technique that can be utilized to obtain the
signal of a target sound source from a specific direction. Typical approaches in the field of …
signal of a target sound source from a specific direction. Typical approaches in the field of …
Decoupled direction-of-arrival estimations using relative harmonic coefficients
Y Hu, TD Abhayapala… - 2020 28th European …, 2021 - ieeexplore.ieee.org
Traditional source direction-of-arrival (DOA) estimation algorithms generally localize the
elevation and azimuth simultaneously, requiring an exhaustive search over the two …
elevation and azimuth simultaneously, requiring an exhaustive search over the two …
Performance analysis of a planar microphone array for three dimensional soundfield analysis
Soundfield analysis based on spherical harmonic decomposition has been widely used in
various applications. However, a major drawback of this method is the requirement of …
various applications. However, a major drawback of this method is the requirement of …