![]() Post-Recording Background - Read two classic papers: But for this lab, it will do you good to do everything by hand. We'll see some examples of such techniques later in the course. If you were doing this on a large scale, it would make sense to set up a Praat script to lead you through the process more conveniently - or even to set up a system for automating the formant tracking entirely. (Place the cursor at the appropriate time, and use Formants>Get Formant Listing)Ĭopy the duration, f0 and formant values into a file, keeping track of which file you used and where you made the measurements - e.g. Average f0 of the vowel (via Pitch>Get Pitch)ģ. Now use Praat to make the following measurements:Ģ. the two repetitions of "Now say hood again" would go into FOOT1.wav and FOOT2.wav. I suggest naming the files for the lexical sets involved, e.g. If you don't know how to do this, ask.Ĭreate 24 files, one for each of the two readings of the 12 vowels. Don't record in stereo don't record into an. Also, many of you (or your chosen talkers) will merge the THOUGHT and LOT lexical sets. I suggest a format like:ĭon't read the "rhymes with." part - that's just to clarify what the sound is supposed to be. ![]() In a quiet environment, record the twelve sentences twice. Study the items in the list briefly, to be sure that you know how to say them. Print out your chosen randomization, using a large enough font for it to be easy to read or arrange to display it in a convenient and easy-to-read browser window. ![]() The recording should only take a couple of minutes.)Ĭhoose (and download) one of 10 randomizations of 12 /h.VOWEL.d/ monosyllabic English words, in the carrier phrase "Now say _ again: 1 2 3 4 5 6 7 8 9 10. If you aren't, recruit a friend or acquaintance who is. (If you're a native speaker of American English, record these yourself. Read (and understand) the Wikipedia article about John Wells' "lexical sets". Learn an appropriate method for normalizing vowel formant measurements. Use formant analysis to quantify the quality of American English vowels.Ĭharacterize individual and group variation in vowel formants.ģ.
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