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Perceptual optimization of hybrid stereo width control method compared with loudspeakers reproduction

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Legacy stereo music sources cause unnatural spatial impressions through the earphones and headphones reproduction due to the lack of crosstalk, which is naturally produced in loudspeakers reproduction. The amplitude-based and phase-based hybrid stereo width control method is proposed to generate the crosstalk components between channels in headphones reproduction. The control parameters for both the previously-proposed amplitude-based and hybrid methods are perceptually optimized compared with the loudspeaker reproduction. Suitable parameter values are successfully obtained for both methods with classical music sources. It is confirmed that the suitable parameter values have a different trend in those methods depending on the music sources.

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AES - Audio Engineering Society