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• Amplitude
  ...he greater the amplitude of its displacement, and the louder the resulting sound.
  457 bytes (69 words) - 16:31, 15 June 2014
• Pitch
  ...e perceptual feature pitch is the [[fundamental frequency]] of the [[sound wave]]: the frequency of vibration of the [[vocal folds]]. This frequency is dep Pitch level also depends on intensity: Frequency changes when the sound level decreases or increases.
  783 bytes (112 words) - 21:04, 19 February 2009
• Zero crossing
  In the description of a [[sound wave]], the point at which the displacement of a vibrating particle is [[Zero (P
  352 bytes (49 words) - 18:49, 7 September 2014
• Antiformant
  ...nal are attenuated because the nasal cavities absorb energy from the sound wave. The effects of these antiformants are more marked in nasal consonants than
  648 bytes (91 words) - 17:05, 6 February 2008
• Damping
  Spectrally, '''damping''' means broadening the peak around the [[sine wave]]'s [[frequency]]. As damped sine waves do not have an exactly sinusoidal f The walls of the vocal tract are soft and they absorb sound energy produced by the [[glottis]]. The vocal tract resonances (or [[forman
  781 bytes (119 words) - 18:28, 12 February 2009
• Analog-to-digital conversion
  ...computer to record speech, it is necessary to convert the continuous sound wave (analog) into a discrete signal (digital) that can be stored on the compute
  980 bytes (147 words) - 12:55, 29 January 2008
• Vocoder
  ...arate, adjacent bands. During speech, changes in the spectrum of the sound wave cause changes in the output levels of individual filter channels. Only the
  1 KB (180 words) - 09:00, 31 August 2014