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• W4281657433 startingPage "3729" @default.
• W4281657433 abstract "Known errors exist in loudspeaker array processing techniques, often degrading source localization and timbre. The goal of the present study was to use virtual loudspeaker arrays to investigate how treatment of the interaural time delay (ITD) cue from each loudspeaker impacts these errors. Virtual loudspeaker arrays rendered over headphones using head-related impulse responses (HRIRs) allow flexible control of array size. Here, three HRIR delay treatment strategies were evaluated using minimum-phase loudspeaker HRIRs: reapplying the original HRIR delays, applying the relative ITD to the contralateral ear, or separately applying the HRIR delays prior to virtual array processing. Seven array sizes were simulated, and panning techniques were used to estimate HRIRs from 3000 directions using higher-order Ambisonics, vector-base amplitude panning, and the closest loudspeaker technique. Compared to a traditional, physical array, the prior HRIR delay treatment strategy produced similar errors with a 95% reduction in the required array size. When compared to direct spherical harmonic (SH) fitting of head-related transfer functions (HRTFs), the prior delays strategy reduced errors in reconstruction accuracy of timbral and directional psychoacoustic cues. This result suggests that delay optimization can greatly reduce the number of virtual loudspeakers required for accurate rendering of acoustic scenes without SH-based HRTF representation." @default.
• W4281657433 created "2022-06-13" @default.
• W4281657433 creator A5065866211 @default.
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• W4281657433 date "2022-06-01" @default.
• W4281657433 modified "2023-09-26" @default.
• W4281657433 title "The impact of head-related impulse response delay treatment strategy on psychoacoustic cue reconstruction errors from virtual loudspeaker arrays" @default.
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• W4281657433 doi "https://doi.org/10.1121/10.0011588" @default.
• W4281657433 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/35778188" @default.
• W4281657433 hasPublicationYear "2022" @default.
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