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Express Paper

Frequency dependency of inter-channel cross-correlation for stereo sources

Authors: Mizumachi, Mitsunori; Horiuchi, Toshiharu

Express Paper · Paper 219 · June 2024

Abstract

Spatial audio has become popular in recent audio applications. Traditional 2-ch stereo sources also provide rich spatial representation. The authors have previously proposed amplitude-based and phase-based crosstalk generators for earphones and headphones reproduction. The parameters for those crosstalk generators were optimized to perceptually generate the suitable stereo stage width compared with the binaural rendering. Investigating the dominant frequency range, which perceptually determines the stereo stage width, is essential in spatial audio. This paper discusses the frequency dependency of inter-channel cross-correlation for 2-ch stereo sources. The frequency dependency of inter-channel cross-correlation, of course, depends on each music source. Those characteristics are investigated for typical classical and vocal music sources to discuss the perceptual aspects of spatial audio.

Details

AES Convention
156
Paper number
219
Publication date
June 6, 2024
Affiliation
Kyushu Institute of Technology, 1-1 Sensui-cho, Tobata-ku, Kitakyushu, Fukuoka 804-8550, Japan; KDDI Research, Inc., 2-1-15 Ohara, Fujimino, Saitama 356-8502, Japan (See document for exact affiliation information.)
Type
Express Paper