Weighted Vowel Guess

This function is identical to the vowelguess.m funciton except it places emphasis on certain formants over others. We found that F1 and F2 should definatedly be given more weight when calculating the euclidean distance in the 3-d formant space since F3 had a narrower bandwidth across vowels. A weighting matrix W=[w1 w2 w3] corresponds to formants 1, 2 and 3. The function could be designed to take the W matrix as an input so different W matricies could be used for different speakers (see Process Flowchart). This function also allows for input of a weighting matrix like [1 0 1] in the case that the second formant was undetected and thus should have no bearing on the distance calculation.

Click here to view our Weighted Vowel Guess Funciton

Click here to download our Weighted Vowel Guess M-File.

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