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M. Nophut, R. Hupke, S. Preihs, and J. Peissig, "Multichannel Acoustic Echo Cancellation for Ambisonics-based Immersive Distributed Performances," Paper 10381, (2020 May.). doi: M. Nophut, R. Hupke, S. Preihs, and J. Peissig, "Multichannel Acoustic Echo Cancellation for Ambisonics-based Immersive Distributed Performances," Paper 10381, (2020 May.). doi:
Abstract: Distributed performances of musicians at distant locations are recently enjoying increasing interest due to the availability of larger bandwidths in network and mobile communication. Modern spatial audio capturing and multichannel reproduction techniques could make these performances an immersive and more realistic experience. But a bidirectional acoustic coupling of rooms introduces disturbing echo loops, which calls for Acoustic Echo Cancellation (AEC) methods. This contribution investigates the Frequency Domain Adaptive Kalman Filter, a state-of-the-art AEC algorithm, in a novel and practical context of a distributed music performance including an Ambisonics audio rendering. In particular, the possibility of using ambisonic channels as reference signals for the echo canceling algorithm is investigated, which allows a significant reduction of the algorithm’s computational load.

@article{nophut2020multichannel,
author={nophut, marcel and hupke, robert and preihs, stephan and peissig, juergen},
journal={journal of the audio engineering society},
title={multichannel acoustic echo cancellation for ambisonics-based immersive distributed performances},
year={2020},
volume={},
number={},
pages={},
doi={},
month={may},} @article{nophut2020multichannel,
author={nophut, marcel and hupke, robert and preihs, stephan and peissig, juergen},
journal={journal of the audio engineering society},
title={multichannel acoustic echo cancellation for ambisonics-based immersive distributed performances},
year={2020},
volume={},
number={},
pages={},
doi={},
month={may},
abstract={distributed performances of musicians at distant locations are recently enjoying increasing interest due to the availability of larger bandwidths in network and mobile communication. modern spatial audio capturing and multichannel reproduction techniques could make these performances an immersive and more realistic experience. but a bidirectional acoustic coupling of rooms introduces disturbing echo loops, which calls for acoustic echo cancellation (aec) methods. this contribution investigates the frequency domain adaptive kalman filter, a state-of-the-art aec algorithm, in a novel and practical context of a distributed music performance including an ambisonics audio rendering. in particular, the possibility of using ambisonic channels as reference signals for the echo canceling algorithm is investigated, which allows a significant reduction of the algorithm’s computational load.},}

TY - paper
TI - Multichannel Acoustic Echo Cancellation for Ambisonics-based Immersive Distributed Performances
SP - EP -
AU - Nophut, Marcel
AU - Hupke, Robert
AU - Preihs, Stephan
AU - Peissig, Juergen
PY - 2020
JO - Journal of the Audio Engineering Society
IS -
VO -
VL -
Y1 - May 2020 TY - paper
TI - Multichannel Acoustic Echo Cancellation for Ambisonics-based Immersive Distributed Performances
SP - EP -
AU - Nophut, Marcel
AU - Hupke, Robert
AU - Preihs, Stephan
AU - Peissig, Juergen
PY - 2020
JO - Journal of the Audio Engineering Society
IS -
VO -
VL -
Y1 - May 2020
AB - Distributed performances of musicians at distant locations are recently enjoying increasing interest due to the availability of larger bandwidths in network and mobile communication. Modern spatial audio capturing and multichannel reproduction techniques could make these performances an immersive and more realistic experience. But a bidirectional acoustic coupling of rooms introduces disturbing echo loops, which calls for Acoustic Echo Cancellation (AEC) methods. This contribution investigates the Frequency Domain Adaptive Kalman Filter, a state-of-the-art AEC algorithm, in a novel and practical context of a distributed music performance including an Ambisonics audio rendering. In particular, the possibility of using ambisonic channels as reference signals for the echo canceling algorithm is investigated, which allows a significant reduction of the algorithm’s computational load.