The CSS reference

"pitch-range" - css property (v. css 2)

  • To specify the variation in the speaking voice. (Monotone voice or animated voice?)
  • A value between '0' and '100' or inherit.
  • A pitch range of '0' produces a flat, monotonic voice.
  • A pitch range of 50 produces normal inflection.
  • Pitch ranges greater than 50 produce animated voices.
  • Initial value: 50
  • The property is inherited
  • HTML usage: all elements
  • The perceived pitch of a human voice is determined by the fundamental frequency and typically has a value of 120Hz for a male voice and 210Hz for a female voice.
  • Browsers that support the pitch-range - property :
    Internet Explorer Mozilla Firefox Opera Google Chrome Apple Safari
Typical usage:
h1 {pitch-range: 70 }
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