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Im Rahmen des vom Bundesministerium für Wirtschaft und Energie geförderten Projekts "LIPS-Live Interactive PMSE Services" arbeiten die Projektpartner aus Industrie und Forschung an einer immersiven audiovi-suellen Verbindung zwischen entfernten Räumlichkeiten, die es Menschen erlaubt in einer möglichst natürlichen Art und Weise miteinander kommuniz...
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Citations
... Finally, a distributed music performance means a simultaneous playing of music in the far-end and the near-end room which means a troublesome continuous double-talk from the AEC algorithm's point of view. The FDAKF's robustness against this double-talk was one of the main reasons for the authors to choose it over other AEC algorithms they had investigated in the past [18]. ...
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.
... Supplementing smart services, such as acoustic echo and feedback cancellation [5], [6] or onlineestimation of room acoustic parameters support the immersion and are also covered by the LIPS Project. ...
