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Paper Abstract and Keywords
Presentation 2023-03-15 11:00
Effects of Stimulus Onset Asynchrony on Timbre Perception of Piano Chord Sound
Ryohei Takayama, Yutaka Sakaguchi (UEC)
Abstract (in Japanese) (See Japanese page) 
(in English) Timbre of a piano harmonic chord is determined not only by the heights of the individual tones consisting of the chord but also by difference between their intensities and temporal onsets (i.e., stimulus onset asynchrony: SOA). Here, we ask the effect of SOA on the timbre of chord sounds when their heights and intensities are maintained. We first estimated the maximal SOA for perceiving the stimulus as a single chord (rather than two distinct tones). Next, we asked the participants to discriminate two chords having different SOAs. Thirdly, we asked them to identify the chord with their own favorite timbre among chords having various SOAs. The results suggested that the discrimination performance, as well as identification performance, depended on the difference in abstract SOA rather than that in SOA per se. We also found that most participants preferred the chords with smaller SOAs.
Keyword (in Japanese) (See Japanese page) 
(in English) Piano Sound / Multiphonics / Chord / Timbre Perception / Stimulus Onset Asynchrony / / /  
Reference Info. ITE Tech. Rep., vol. 47, no. 12, HI2023-7, pp. 5-8, March 2023.
Paper # HI2023-7 
Date of Issue 2023-03-08 (HI) 
ISSN Print edition: ISSN 1342-6893    Online edition: ISSN 2424-1970
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Conference Information
Committee HI  
Conference Date 2023-03-15 - 2023-03-15 
Place (in Japanese) (See Japanese page) 
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Paper Information
Registration To HI 
Conference Code 2023-03-HI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effects of Stimulus Onset Asynchrony on Timbre Perception of Piano Chord Sound 
Sub Title (in English)  
Keyword(1) Piano Sound  
Keyword(2) Multiphonics  
Keyword(3) Chord  
Keyword(4) Timbre Perception  
Keyword(5) Stimulus Onset Asynchrony  
1st Author's Name Ryohei Takayama  
1st Author's Affiliation University of Electro-Communications (UEC)
2nd Author's Name Yutaka Sakaguchi  
2nd Author's Affiliation University of Electro-Communications (UEC)
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Speaker Author-1 
Date Time 2023-03-15 11:00:00 
Presentation Time 25 minutes 
Registration for HI 
Paper # HI2023-7 
Volume (vol) vol.47 
Number (no) no.12 
Page pp.5-8 
Date of Issue 2023-03-08 (HI) 

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