File:Spectrogram -iua-.png

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spectrogram of the American English vowels [i, u, ɑ] as pronounced by a native from Louisiana demonstrating the frequencies of first and second formants. (perhaps a little exaggerated - but you tell me)
generated with Praat from an .AIFF version of the sound file Sound -iua-.ogg
pre-emphasis: 6.0 dB/oct
image modified with The Gimp
created by en:User:ish ishwar in 2005
released under CC-by-2.0

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