Assessment |
Biopsychology |
Comparative |
Cognitive |
Developmental |
Language |
Individual differences |
Personality |
Philosophy |
Social |
Methods |
Statistics |
Clinical |
Educational |
Industrial |
Professional items |
World psychology |
Cognitive Psychology: Attention · Decision making · Learning · Judgement · Memory · Motivation · Perception · Reasoning · Thinking - Cognitive processes Cognition - Outline Index
In music notation, the different heights of notes indicate different pitches.
Pitch is the property of a sound that allows the construction of melodies; pitches are compared as "higher" and "lower", and are quantified as frequencies (cycles per second, or hertz), corresponding very nearly to the repetition rate of sound waves.
Pitch is not an objective physical property, but a subjective psychophysical attribute of sound.[1]
The perceived pitch of a sine wave is directly related to its frequency. More complex sounds also have pitch, notably speech and musical notes. Many such sounds are approximately periodic, and the perceived pitch is directly related to the period. They also have a spectrum that is (approximately) a stack of harmonics, and the perceived pitch is related to the harmonic spacing. The lowest harmonic in the stack is called the fundamental frequency, and its frequency is also strongly correlated with the pitch, though a strong pitch may be perceived even when the fundamental is missing.
Historically, the study of pitch perception, and especially of pitch in the case of the missing fundamental, has been a central problem in in psychoacoustics, and has been very instrumental in forming and testing theories of sound representation, processing, and perception in the auditory system.[2]
Some theories of pitch perception hold that pitch has inherent octave ambiguities, and therefore is best decomposed into a pitch chroma, a periodic value around the octave, like the note names in western music, and a pitch height, which may be ambiguous, indicating which octave the pitch may be in.[2]
See also[]
- Absolute pitch
- Auditory stimulation
- Electonic tone generator
- Pitch contours
- Pitch discrimination
- Pitch (music)
- Pitch (psychophysics)
- Pitch perception
- Pitch pipe
- Pitch reset
- Speech characteristics
- Speech pitch
- Downstep
- Pitch accent, a variation in pitch to give prominence to a syllable or mora within a word
- Tone (linguistics), the use of pitch in language to distinguish lexical or grammatical meaning
- Paralanguage, the use of pitch (as well as volume and intonation) in speech to carry emotional meaning
- Tuninfg fork
- Ultrasound
References[]
- ↑ Christopher J. Plack, Andrew J. Oxenham, and Richard R. Fay, eds. (2005). Pitch: Neural Coding and Perception, Springer.
- ↑ 2.0 2.1 William Morris Hartmann (1997). Signals, Sound, and Sensation, Springer.
| This page uses Creative Commons Licensed content from Wikipedia (view authors). |