Construct · 1 fields · 2 citations

spectral centroid: a standalone construct

One name. One construct. A landmark on the map.

● anchor · a standalone construct in timbre research Nearest construct by meaning·not indexed
spectralcentroid1 CONSTRUCTSpectral centroidGREY · 1977

A single standalone construct; nearby constructs are located against it in the Collider. Tap a field for its definition, unit, and measures.

Music psychoacoustics

the amplitude-weighted mean frequency of a sound's spectrum, corresponding most closely to perceived timbral brightness.

The spectral centroid is the amplitude-weighted mean frequency of a sound's spectrum - its center of gravity - and is the acoustic feature that corresponds most closely to the perceived brightness of a timbre. Grey's 1977 Multidimensional perceptual scaling of musical timbres found that one of the main perceptual dimensions separating instrument tones aligned with the distribution of spectral energy, and McAdams and colleagues' 1995 Perceptual scaling of synthesized musical timbres confirmed the spectral centroid as a primary axis of timbre. The referent is a summary statistic of a spectrum, measured directly from its magnitude distribution and widely used in music information retrieval.[1][2]

Unit
The amplitude-weighted mean frequency of the spectrum, in hertz
Recovery means
Not applicable
Measured by
Computed as the magnitude-weighted average of frequency bins in the short-time spectrum

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Nearby constructs

sharpness3 fields · 3 citationsjingle · one word, three constructstimbre2 fields · 4 citationsjingle · one word, two constructsaxis1 fields · 1 citationsanchor · a standalone construct

References

  1. Grey, J. M. (1977). Multidimensional perceptual scaling of musical timbres. The Journal of the Acoustical Society of America, 61(5), 1270-1277. https://doi.org/10.1121/1.381428
  2. McAdams, S., Winsberg, S., Donnadieu, S., De Soete, G., & Krimphoff, J. (1995). Perceptual scaling of synthesized musical timbres: Common dimensions, specificities, and latent subject classes. Psychological Research, 58(3), 177-192. https://doi.org/10.1007/BF00419633

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