Placement of Sound Sources in the Stereo Field Using Measured Room Impulse Responses

Authors:
William D. Haines;Jesse R. Vernon;Roger B. Dannenberg;Peter F. Driessen
Affiliations:
Carnegie Mellon University, Pittsburgh, USA PA 15213;Carnegie Mellon University, Pittsburgh, USA PA 15213;Carnegie Mellon University, Pittsburgh, USA PA 15213;University of Victoria, Victoria, Canada
Venue:
Computer Music Modeling and Retrieval. Sense of Sounds
Year:
2008

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Abstract

Reverberation can be simulated by convolving dry instrument signals with physically measured impulse response data. Such reverberation effects have recently become commonplace; however, current techniques apply a single effect to an entire ensemble, and then separate individual instruments in the stereo field via panning. By measuring impulse response data from each desired instrument location, it is possible to place instruments in the stereo field using their unique early reflection and reverberation patterns without panning. A pilot study compares the perceived quality of dry signals convolved to stereo center, convolved to stereo center and panned to desired placement, and convolved with measured impulse responses to simulate placement. The results of a single blind study show a preference for location-based (as opposed to panning-based) reverberation effects.