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Convention Paper

Recording in a Virtual Acoustic Environment

Authors: Abel, Jonathan S.; Canfield-Dafilou, Elliot K.

AES Convention 143 · Paper 9854 · October 2017

Abstract

A method is presented for high-quality recording of voice and acoustic instruments in loudspeaker-generated virtual acoustics. Auralization systems typically employ close-mic'ing to avoid feedback, while classical recording methods prefer high-quality room microphones to capture the instruments integrated with the space. Popular music production records dry tracks, and applies reverberation after primary edits are complete. Here a hybrid approach is taken, using close mics to produce real-time, loudspeaker-projected virtual acoustics, and room microphones to capture a balanced, natural sound. The known loudspeaker signals are then used to cancel the virtual acoustics from the room microphone tracks, providing a set of relatively dry tracks for use in editing and post-production. Example recordings of Byzantine chant in a virtual Hagia Sophia are described.

Details

Published in
AES Convention 143
AES Convention
143
Paper number
9854
Publication date
October 6, 2017
Session subject
Recording and Production
Affiliation
Stanford University, Stanford, CA, USA; Center for Computer Research in Music and Acosutics (CCRMA), Stanford University, Stanford, CA, USA (See document for exact affiliation information.)
Type
Convention Paper