Subjective evaluation tests on perceptual discrimination between musical sounds with and without very high frequency (above 20 kHz) components have been conducted. To make a precise evaluation, the test system is designed to exclude any influence from very high frequency components in the audible frequency range. Moreover, various sound stimuli are originally recorded by a newly developed very wide frequency range microphone, in order to contain enough components in very high frequency range. Tests showed that some subjects might be able to discriminate between musical sounds with and without very high frequency components. This paper describes these subjective evaluations, and discusses the possibility of such discrimination as well as the high resolution audio recording of music.
Ando, Akio; Hamasaki, Kimio; Nisiguchi, Toshiyuki; Ono, Kazuho
Affiliations: NHK Science & Technical Research Laboratories, Tokyo, Japan ; Kyushu University, Graduate School of Design, Fukuoka, Japan(See document for exact affiliation information.)
AES Convention: 117 (October 2004) Paper Number: 6298
Publication Date: October 1, 2004
Subject: High Resolution Audio
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