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This paper presents the results of the third part of an experiment aimed to determine discrimination thresholds for timbre of pink noise modified by a formant. The investigated parameter was the Q factor (Q=f/?f). The Q=3 was used as a reference and the comparison stimuli had Q>3. A 3AFC test paradigm was used. The listeners, who were tonmeisters and non-musicians, were asked to indicate which noise burst in each group of three was a different one. The results indicate that: (1) the Q discrimination threshold as a function of formant frequency has a U shape, (2) tonmeisters better discriminate Q changes than non-musicians, and (3) all listeners improved their scores with practice. Above results are consistent with those reported previously.
Author (s): Rogala, Tomira
Affiliation:
Fryderyk Chopin University of Music, Warsaw, Poland
(See document for exact affiliation information.)
AES Convention: 142
Paper Number:9777
Publication Date:
2017-05-06
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Session subject:
Listening Tests and Psychoacoustics 2
Permalink: https://aes2.org/publications/elibrary-page/?id=18653
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Rogala, Tomira; 2017; Pink Noise Formant Bandwidth Discrimination [PDF]; Fryderyk Chopin University of Music, Warsaw, Poland; Paper 9777; Available from: https://aes2.org/publications/elibrary-page/?id=18653
Rogala, Tomira; Pink Noise Formant Bandwidth Discrimination [PDF]; Fryderyk Chopin University of Music, Warsaw, Poland; Paper 9777; 2017 Available: https://aes2.org/publications/elibrary-page/?id=18653