An Initial Validation of Individualized Crosstalk Cancellation Filters for Binaural Perceptual Experiments
Delivering binaural stimuli with loudspeakers through crosstalk filters avoids the intrinsic artifacts of using headphones in localization experiments. However, one must first demonstrate that such a system is equivalent to that of a real soundfield. This study demonstrates that listeners did not perceive any meaningful difference between a real sound source at 0 degrees and a virtual rendering using crosstalk cancellation from a pair of loudspeakers at ±90 degrees. Three different stimuli were used: single bursts of wideband noise, click trains, and repeated harmonic pulses. Listeners could not discriminate between the two cases using a forced-choice paradigm.
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