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XSL-FO pitch Property

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Definition and Usage

The pitch property is used only in Aural Stylesheets.

The aural rendering of a document combines sounds and voices to go through the content of a document. Aural presentation occurs often by converting the document to plain text and then feeding this to a screen reader.

Situations and markets for listening to information could be:

  • for blind people
  • in the car
  • help users learning to read

The pitch property specifies the average pitch (a frequency) of the speaking voice.

The average pitch depends on the voice family. The average pitch for a male voice is 120Hz, and for a female voice, it's 210Hz.

Details

  • Inherited: yes
  • Percentages: N/A
  • Media: aural

Property Values

Value Description
frequency The average pitch of the speaking voice is specified in hertz
x-low Defines an extra low frequency (the value depend on the voice family)
low Defines a low frequency (the value depend on the voice family)
medium Default. Defines a medium frequency (the value depend on the voice family)
high Defines a high frequency (the value depend on the voice family)
x-high Defines an extra high frequency (the value depend on the voice family)


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