International Conference
Books
Papers
Conference presentations:
Abel, Jonathan. Yale Institute for Sacred Music Discussion on Sacred Space and VR, July 22, 2020
Abel, Jonathan S., and Eoin F. Callery, "Recreating Historical Venues", Early Music in the 21st Century, Amsterdam, 15-17 October, 2021.
Berger, Jonathan, Talya Berger and Elliot Kermit Canfield-Dafilou. “A comparison of the architectural acoustics of two Florentine churches and the music composed for these spaces", CIM22, June 2022
Farzaneh, Nima et al *
Berger, Jonathan. Sound, Space and the Aesthetics of the Sublime. Architecture Working Group, Cotsen Institute of Archaeology UCLA April 4, 2022
CAVIAR: Cave of Augmented Virtual and Interactive Audio Realities
Through the use of virtual acoustic technologies we can radically alter the reverberant conditions of any room. Users hear the sounds they make in a space other than the expected acoustic of the physical room they occupy. The CAVIAR system creates its simulations through a combination of feedback cancelling technology (somewhat like the noise cancellation systems used in headphones, but better) and convolution reverberation. To create a convolution reverberation we go to a space and we record ourselves popping a balloon in it. The recording of this balloon pop tells us how the space reacts to sounds that are made there, ie. what the reverberation quality, the acoustic signature of the space, actually is. With CAVIAR we can then multiple the spectrum of the balloon pop with any input sound — this other sound now appears to have been made in the space in which the balloon was popped. It is also possible to create imaginary spaces — space that cannot exist in the real world — but that’s for another day!*
CAVIAR is capable of being scaled for use with any number of speakers and microphone, the systems you will hear today use 2 microphones and 4 speakers.
Patent
Jonathan S. Abel, Eoin F. Callery, Elliot Kermit Canfield-Dafilou, US Patent No. 10812902B1, System and method for augmenting an acoustic space, October 20, 2020. A method and system for real-time auralization is described in which room sounds are reverberated and presented over loudspeakers, thereby augmenting the acoustics of the space. Room microphones are used to capture room sound sources, with their outputs processed in a canceler to remove the synthetic reverberation also present in the room. Doing so gives precise control over the auralization while suppressing feedback. It also allows freedom of movement and creates a more natural acoustic environment for performers or participants in music, theater, gaming, home entertainment, and virtual reality applications. Canceler design methods are described, including techniques for handling varying loudspeaker-microphone transfer functions such as would be present in the context of a performance or installation.
Jonathan S. Abel and Eoin F. Callery, US Patent Application No. 20210037316A1 , Networked audio auralization and feedback cancellation system and method, February 4, 2021. The present embodiments generally relate to enabling participants in an online gathering with networked audio to use a cancelling auralizer at their respective locations to create a common acoustic space or set of acoustic spaces shared among subgroups of participants. For example, there are a set of network connected nodes, and the nodes can contain speakers and microphones, as well as participants and node mixing-processing blocks. The node mixing-processing blocks generate and manipulate signals for playback over the node loudspeakers and for distribution to and from the network. This processing can include cancellation of loudspeaker signals from the microphone signals and auralization of signals according to control parameters that are developed locally and from the network. A network block can contain network routing and processing functions, including auralization, synthesis, and cancellation of audio signals, synthesis and processing of control parameters, and audio signal and control parameter routing.
http://www.sedm.it/sedm/it/musica-sacra/183-varia-musica-sacra-altemps.html
