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Subjective listening tests were conducted to assess the general perception of decorrelation in the vertical domain. Interchannel decorrelation was performed between a pair of loudspeakers in the median plane; one at ear level and the other elevated 30° above. The test stimuli consisted of decorrelated octave-band pink noise samples (638000Hz), generated using three decorrelation techniques - each method featured three degrees of the interchannel cross-correlation coefficient (ICCC): 0.1, 0.4 and 0.7. Thirteen subjects participated in the experiment, using a pairwise comparison method to grade the sample with the greater perceived vertical image spread (VIS). Results suggest there is broadly little difference of overall VIS between decorrelation methods, and changes to vertical interchannel decorrelation appear to be better perceived in the upper-middle-frequencies.
|Title of host publication||140th Audio Engineering Society International Convention 2016, AES 2016|
|Publisher||Audio Engineering Society|
|Publication status||Published - 26 May 2016|
|Event||140th Audio Engineering Society International Convention - Paris, France|
Duration: 4 Jun 2016 → 7 Jun 2016
Conference number: 140
http://www.aes.org/events/140/ (Link to Conference Website)
|Conference||140th Audio Engineering Society International Convention|
|Abbreviated title||AES 2016|
|Period||4/06/16 → 7/06/16|
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