Spatial sound with loudspeakers and its perception: A review of the current state

S Spors, H Wierstorf, A Raake, F Melchior… - Proceedings of the …, 2013 - ieeexplore.ieee.org
This paper reviews the current state of loudspeaker-based spatial sound reproduction
methods from technical perspective as well as perceptual perspective. A nomenclature is …

Theory and design of multizone soundfield reproduction using sparse methods

W Jin, WB Kleijn - IEEE/ACM Transactions on Audio, Speech …, 2015 - ieeexplore.ieee.org
Multizone soundfield reproduction over an extended spatial region is a challenging problem
in acoustic signal processing. We introduce a method of reproducing a multizone soundfield …

Upscaling ambisonic sound scenes using compressed sensing techniques

A Wabnitz, N Epain, A McEwan… - 2011 IEEE Workshop on …, 2011 - ieeexplore.ieee.org
This paper considers the application of compressed sensing to spherical acoustics in order
to improve spatial sound field reconstruction. More specifically, we apply compressed …

[HTML][HTML] Sound field reconstruction using a compact acoustics-informed neural network

F Ma, S Zhao, IS Burnett - The Journal of the Acoustical Society of …, 2024 - pubs.aip.org
Sound field reconstruction (SFR) augments the information of a sound field captured by a
microphone array. Using basis function decomposition, conventional SFR methods are …

Transitioning of ambient higher-order ambisonic coefficients

NG Peters, D Sen - US Patent 9,922,656, 2018 - Google Patents
In general, techniques are described for transitioning an ambient higher order ambisonic
coefficient. A device comprising a memory and a processor may be configured to perform …

Coding vectors decomposed from higher-order ambisonics audio signals

MY Kim, NG Peters, D Sen - US Patent 9,852,737, 2017 - Google Patents
In general, techniques are described for coding of vectors decomposed from higher order
ambisonic coefficients. A device comprising a processor and a memory may perform the …

A frequency-domain algorithm to upscale ambisonic sound scenes

A Wabnitz, N Epain, CT Jin - 2012 IEEE International …, 2012 - ieeexplore.ieee.org
In this paper, a novel algorithm for upscaling ambisonic sound scenes in the frequency
domain is presented. This algorithm makes use of compressed sensing techniques to …

Compression of decomposed representations of a sound field

NG Peters, D Sen - US Patent 9,502,044, 2016 - Google Patents
In general, techniques are described for obtaining decomposed versions of spherical
harmonic coefficients. In accordance with these techniques, a device comprising one or …

Analysis of decomposed representations of a sound field

NG Peters, D Sen - US Patent 9,763,019, 2017 - Google Patents
In general, techniques are described for identifying distinct audio objects from spherical
harmonic coefficients (which may also be denotes as higher order ambisonic coefficients). A …

Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals

MY Kim, NG Peters, D Sen - US Patent 10,770,087, 2020 - Google Patents
In general, techniques are described for performing codebook selection when coding
vectors decomposed from higher-order ambisonic coefficients. A device comprising a …