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In Augmented Reality Audio (ARA) applications the real sound environment of the user is extended with virtual ob jects. The real environment is reproduced as a pseudo-acoustic world via a special ARA headset that consists of binaural microphones and headphones. However, the headset causes coloration to the pseudo- acoustic representation. In order to make the headset acoustically transparent, equalization is needed. Digital equalization easily causes unacceptable delays. This paper presents a novel ARA mixer with real-time analog equalization to correct the coloration caused by the leakage through the headset and changed resonances in the closed ear canal.
Author (s): Karjalainen, Matti; Riikonen, Ville; Tikander, Miikka
Affiliation:
Helsinki University of Technology, Laboratory of Acoustics and Audio Signal Processing
(See document for exact affiliation information.)
AES Convention: 124
Paper Number:7372
Publication Date:
2008-05-06
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Session subject:
Spatial Audio Perception and Processing
Permalink: https://aes2.org/publications/elibrary-page/?id=14502
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Karjalainen, Matti; Riikonen, Ville; Tikander, Miikka; 2008; An Augmented Reality Audio Mixer and Equalizer [PDF]; Helsinki University of Technology, Laboratory of Acoustics and Audio Signal Processing; Paper 7372; Available from: https://aes2.org/publications/elibrary-page/?id=14502
Karjalainen, Matti; Riikonen, Ville; Tikander, Miikka; An Augmented Reality Audio Mixer and Equalizer [PDF]; Helsinki University of Technology, Laboratory of Acoustics and Audio Signal Processing; Paper 7372; 2008 Available: https://aes2.org/publications/elibrary-page/?id=14502