Presentation 1999/5/20
Tranditional shift of timbre and pitch by changing phase on the FM signals
Naoya Ogawa, Munehiro Goto, Toshihiko Terado, Koji Matsuura,
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Abstract(in English) We have made frequency modulated signals with limited sidebands that were synthesized from components of calculated spectrum structure and have continued testing subjective judgement on pitch and timbre of those harmonic complexes. These frequency modulated sounds were in this time, made in the condition where the modulation indices were chosen to give the component of center frequency in the spectrum maximum or zero. We tried to observe the influence of the component in the presence of that component on the subjective decision. In our experiment, we gave a constant change continuously to the phase of sidebands in the modulated signal and broke out the nature of frequency modulation. We paid attention to the amplitude of that center component and to the change of time were patterns. We tested subjective judgement about timbre and pitch of these sounds and showed shifting patterns of the perception.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Frequency modulation signal / spectrum structure / phase / subjective decision / timbre / pitch
Paper # EA99-5
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Conference Date 1999/5/20(1days)
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Registration To Engineering Acoustics (EA)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Tranditional shift of timbre and pitch by changing phase on the FM signals
Sub Title (in English)
Keyword(1) Frequency modulation signal
Keyword(2) spectrum structure
Keyword(3) phase
Keyword(4) subjective decision
Keyword(5) timbre
Keyword(6) pitch
1st Author's Name Naoya Ogawa
1st Author's Affiliation Faculty of Engineering, Gifu University()
2nd Author's Name Munehiro Goto
2nd Author's Affiliation Faculty of Engineering, Gifu University
3rd Author's Name Toshihiko Terado
3rd Author's Affiliation Faculty of Engineering, Gifu University
4th Author's Name Koji Matsuura
4th Author's Affiliation Faculty of Engineering, Gifu University
Date 1999/5/20
Paper # EA99-5
Volume (vol) vol.99
Number (no) 59
Page pp.pp.-
#Pages 8
Date of Issue