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Release from speech-on-speech masking in a front-and-back geometry
Neil L Aaronson1, Brad Rakerd, William M Hartmann
1Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
Abstract:
Informational masking of a target female talker by female distracters was measured with target and distracters presented from directly in front of the listener as a baseline condition. Next, it was found that if the distracters were also presented from directly in back of the listener, advanced or delayed by a few milliseconds with respect to the distracters in front, release from informational masking occurred. Release from informational masking was found for all delays within the Haas region of +/-50 ms, with peak release of about 3.5 dB. This peak occurred for a delay of +/-2 ms and it was shown to be the result of delay-and-add filtering. Release from energetic masking was also found, but only for delays of +/-0.5 ms or less.
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