Pitch Acoustics The auditory attribute on the basis of which tones may be ordered on a musical scale. Two aspects of the notion of pitch can be distinguished in music: one related to the frequency (or fundamental frequency) of a sound (measured in Hz) which is called pitch height, and the other related to its place in a musical scale which is called pitch chroma. Architecture Inclination or slope, as for roofs or stairs, or the height divided by the span. Pitch is the distance between the teeth on a gear.A fine pitch gear has many small teeth and a coarse pitch gear has fewer, larger teeth. An interesting observation is that thestiffness of a gear tooth is not related to the pitch.
See also: Absolute Pitch, Gear Design.
  
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