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An experiment has been conducted to assess the perceptual effect of vertical interchannel decorrelation between pairs of vertically-spaced loudspeakers. The study focuses on band-limiting the vertical decorrelation of natural sound sources in groups of octave-bands, while reproducing the unprocessed octave-bands monophonically through the main-layer loudspeaker. The upper limit of the vertical decorrelation is fixed at the 16 kHz octave-band, with the lower limit varied across eight octave-bands (centre frequencies 63 Hz to 8 kHz). A monophonic unprocessed condition was also included in a multiple comparison test alongside the eight decorrelated conditions. The results demonstrate that vertical decorrelation of the 500 Hz octave-band and above can significantly increase the vertical spread of an auditory image, similar to that of broadband decorrelation.
|Title of host publication||2019 AES International Conference on Immersive and Interactive Audio|
|Editors||Tony Tew, Duncan Williams|
|Publisher||Audio Engineering Society|
|Publication status||Published - 17 Mar 2019|
|Event||AES International Conference on Immersive and Interactive Audio - University of York, York, United Kingdom|
Duration: 27 Mar 2019 → 29 Mar 2019
|Conference||AES International Conference on Immersive and Interactive Audio|
|Period||27/03/19 → 29/03/19|
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- 1 Poster presentation
Increasing the Vertical Image Spread of Natural Sound Sources using Band-Limited Interchannel Decorrelation
Christopher Gribben (Speaker) & Hyunkook Lee (Speaker)28 Mar 2019
Activity: Talk or presentation types › Poster presentation