What's New

Fix crashing.

App Description

This application calculates and plots the formant frequencies of spoken vowels. The user should speak a word containing a single vowel, and we will analyze and show results.

First two formant frequencies are used to graphically show the location of spoken vowel on a standard vowel diagram. An indicator light changes its color to display the status of the application.

This is made to assist with speech therapy and language learning as well as other research topics.

iPhone Screenshots

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Formant Analyzer screenshot 1

iPad Screenshots

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Formant Analyzer screenshot 2

App Changes

  • January 23, 2014 Initial release
  • January 24, 2014 Price increase: $0.99 -> $2.99
  • January 31, 2014 Price increase: $2.99 -> $7.99
  • May 20, 2014 New version 1.0.1
  • September 19, 2014 New version 1.0.2
  • November 13, 2014 New version 1.0.3
  • July 18, 2015 New version 1.1.0
  • November 22, 2015 New version 1.2.0
  • February 03, 2016 New version 1.3.0
  • March 07, 2016 New version 1.3.1
  • July 13, 2016 New version 1.3.3
  • January 05, 2017 New version 1.3.4

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