Parametric ambisonic encoding of arbitrary microphone arrays

L McCormack, A Politis, R Gonzalez… - … on Audio, Speech …, 2022 - ieeexplore.ieee.org
This article proposes a parametric signal-dependent method for the task of encoding
microphone array signals into Ambisonic signals. The proposed method is presented and …

Object-based six-degrees-of-freedom rendering of sound scenes captured with multiple ambisonic receivers

L McCormack, A Politis, T McKenzie… - AES: Journal of the …, 2022 - researchportal.tuni.fi
This article proposes a system for object-based six-degrees-of-freedom (6DoF) rendering of
spatial sound scenes that are captured using a distributed arrangement of multiple …

COMPASS: Coding and multidirectional parameterization of ambisonic sound scenes

A Politis, S Tervo, V Pulkki - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
Current methods for immersive playback of spatial sound content aim at flexibility in terms of
encoding and decoding, abstracting the two from the recording or playback setup …

[HTML][HTML] Enhancing binaural rendering of head-worn microphone arrays through the use of adaptive spatial covariance matching

J Fernandez, L McCormack, P Hyvärinen… - The Journal of the …, 2022 - pubs.aip.org
In this article, the application of spatial covariance matching is investigated for the task of
producing spatially enhanced binaural signals using head-worn microphone arrays. A two …

[HTML][HTML] Superhuman spatial hearing technology for ultrasonic frequencies

V Pulkki, L McCormack, R Gonzalez - Scientific Reports, 2021 - nature.com
Ultrasonic sources are inaudible to humans, and while digital signal processing techniques
are available to bring ultrasonic signals into the audible range, there are currently no …

Parametric first-order ambisonic decoding for headphones utilising the cross-pattern coherence algorithm

L McCormack, S Delikaris-Manias - EAA Spatial Audio Signal …, 2019 - hal.science
Regarding the reproduction of recorded or synthesised spatial sound scenes, perhaps the
most convenient and flexible approach is to employ the Ambisonics framework. The …

Estimating and reproducing ambience in ambisonic recordings

L McCormack, A Politis - 2022 30th European Signal …, 2022 - ieeexplore.ieee.org
Spatial audio coding and reproduction methods are often based on the estimation of primary
directional and secondary ambience components. This paper details a study into the …

Rendering of source spread for arbitrary playback setups based on spatial covariance matching

L McCormack, A Politis, V Pulkki - 2021 IEEE Workshop on …, 2021 - ieeexplore.ieee.org
This paper proposes an algorithm for rendering spread sound sources, which are mutually
incoherent across their extents, over arbitrary playback formats. The approach involves first …

Six-Degrees-of-Freedom Binaural Reproduction of Head-Worn Microphone Array Capture

L Mccormack, N Meyer-Kahlen, DL Alon… - Journal of the Audio …, 2023 - research.aalto.fi
This article formulates and evaluates four different methods for six-degrees-of-freedom
binaural reproduction of head-worn microphone array recordings, which may find …

Optimizing higher-order directional audio coding with adaptive mixing and energy matching for ambisonic compression and upmixing

C Hold, L McCormack, A Politis… - 2023 IEEE Workshop on …, 2023 - ieeexplore.ieee.org
In order to transmit sound-scenes encoded into the higher-order Ambisonics (HOA) format to
low-bandwidth devices, transmission codecs are needed to reduce data requirements …