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Anka Slana (2013) The effect of harmonic context on the perception of pitch class. MSc thesis.
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Abstract
Master thesis deals with the phenomenon of pitch class (PC) perception. Tones separated by an octave have the same PC and exhibit strong perceptual similarity. So far, very little research has been published on how harmonic context influences the perception of pitch class. We investigated how subjects (musicians and non-musicians) judge whether two sequentially presented tones have the same PC when they are presented without context and when they are presented within a harmonic context of common major and minor chord progressions. The recognition of PC equivalence was measured with accuracy rates and reaction times. The study revealed that the presence of a harmonic context decreases the accuracy and speed of recognition of PC equivalence of two tones, but only for musicians. When tones that belong to the same PC are placed in the same context, subjects make faster and more accurate judgements about PC equivalence, in comparison to when they are placed in a different context. When tones that belong to a different pitch class are placed in the same context, subjects make more errors and their reaction times are longer in comparison to when they are placed in a different context. According to our findings, we assume that subjects perceive the tone and the context as a gestalt and that the inconsistency of tones’ and contexts’ equivalence underlies the errors and longer reaction times in the recognition of PC. Answers are more accurate and faster when the relationship between contexts is the same as the relationship between the PC of tones (both contexts and tones are the same, or both contexts and tones are different). Answers are slower and more errors occur when the relationship between contexts is not the same as the relationship between tones (contexts are the same but tones are different, or contexts are different but tones are the same).
| Item Type: | Thesis (MSc thesis) | |||||||||
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| Keywords: | pitch perception, pitch height, pitch class, octave equivalence, octave generalization, harmonic context | |||||||||
| Number of Pages: | 94 | |||||||||
| Language of Content: | English | |||||||||
| Mentor / Comentors: |
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| Link to COBISS: | http://www.cobiss.si/scripts/cobiss?command=search&base=50126&select=(ID=9562697) | |||||||||
| Institution: | University of Ljubljana | |||||||||
| Department: | Faculty of Education | |||||||||
| Item ID: | 1303 | |||||||||
| Date Deposited: | 01 Mar 2013 13:05 | |||||||||
| Last Modified: | 01 Mar 2016 11:17 | |||||||||
| URI: | http://pefprints.pef.uni-lj.si/id/eprint/1303 |
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