Three-dimensional sound field reproduction based on weighted mode-matching method
A sound field reproduction method based on the spherical wavefunction expansion of sound
fields is proposed, which can be flexibly applied to various array geometries and …
fields is proposed, which can be flexibly applied to various array geometries and …
An efficient parameterization of the room transfer function
P Samarasinghe, T Abhayapala… - … on Audio, Speech …, 2015 - ieeexplore.ieee.org
This paper proposes an efficient parameterization of the room transfer function (RTF).
Typically, the RTF rapidly varies with varying source and receiver positions, hence requires …
Typically, the RTF rapidly varies with varying source and receiver positions, hence requires …
Multizone soundfield reproduction with privacy-and quality-based speech masking filters
Reproducing zones of personal sound is a challenging signal processing problem that has
garnered considerable research interest in recent years. We introduce in this work an …
garnered considerable research interest in recent years. We introduce in this work an …
Spherical-harmonic-domain feedforward active noise control using sparse decomposition of reference signals from distributed sensor arrays
Active acoustic noise attenuation over a sizable space is a challenging problem in signal
processing. The noise attenuation performance of feedforward active noise control (ANC) …
processing. The noise attenuation performance of feedforward active noise control (ANC) …
Soundfield reconstruction in reverberant environments using higher-order microphones and impulse response measurements
This paper addresses the problem of soundfield reconstruction over a large area using a
distributed array of higher-order microphones. Given an area enclosed by the array, one can …
distributed array of higher-order microphones. Given an area enclosed by the array, one can …
[HTML][HTML] Spherical harmonic representation of the observed directional wave front in the time domain
Sound field reproduction algorithms require loudspeaker directivity, which is usually
measured at discrete frequencies. A time domain model of loudspeaker directivity benefits …
measured at discrete frequencies. A time domain model of loudspeaker directivity benefits …
Feedforward active noise global control using a linearly constrained beamforming approach
Global control of noise in a three-dimensional space is generally difficult, given a limited
number of discrete sensors. This paper presents a feedforward multichannel active noise …
number of discrete sensors. This paper presents a feedforward multichannel active noise …
Modeling characteristics of real loudspeakers using various acoustic models: Modal-domain approaches
Y Hu, PN Samarasinghe… - ICASSP 2019-2019 …, 2019 - ieeexplore.ieee.org
The accuracy and perception of soundfields produced by loudspeaker arrays are strongly
influenced by the inherent characteristics of the commercial loudspeakers. This paper …
influenced by the inherent characteristics of the commercial loudspeakers. This paper …
Design of a prototype variable directivity loudspeaker for improved surround sound reproduction in rooms
M Poletti, T Betlehem - … 52nd International Conference: Sound Field Control …, 2013 - aes.org
Loudspeakers with variable directivity offer the potential for improved sound reproduction
quality in rooms by reducing sound reflections from walls, providing better reconstruction of …
quality in rooms by reducing sound reflections from walls, providing better reconstruction of …
Synthesis of soundfields through irregular loudspeaker arrays based on convolutional neural networks
Most soundfield synthesis approaches deal with extensive and regular loudspeaker arrays,
which are often not suitable for home audio systems, due to physical space constraints. In …
which are often not suitable for home audio systems, due to physical space constraints. In …