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LING 285: Final Project

Due uploaded to Blackboard: 9/14, 9:30am

The purpose of the Final Project is to give you an in-depth understanding of how speech synthesis and speech recognition systems work by using all of the skills we’ve learned in class to work, step-by-step, through the process of synthesis and recognition.  It’s kind of like a big lab project.  You may work in groups if you wish, but please note that each individual must submit a separate Final Project to Blackboard that is their own work. (Duplicate work will receive a 10% deduction.)

Your project must be typed and uploaded as a .docx or .pdf file.  Remember to check that it uploaded successfully.  The confirmation email from Blackboard is proof of the time of submission; meta-data is not.

Part 1: Human Speech

1.   What are the gestures for the consonant phonemes below?  You should list three gestures for each phoneme: are the vocal cords together or apart; is the velum raised or lowered; where is the oral constriction and how closed off is it?  Do not simply give an articulatory description (ex: voiced alveolar fricative) for this question.  (18 pts)

a.   [ʃ]

b.   [b]

c.   [θ]

d.   [n]

e.   [f]

f.    [g]

2.   What is the tongue position for the vowel phonemes below?  You should list the back/frontness of the tongue as well as its height.  (8 pts)

a.   [æ]

b.   [u]

c.   [o]

d.   [ɪ]

3.   Record yourself in Praat saying the vowel [i].  Name the file “LastName_FirstName.wav” and upload the .wav file to Blackboard. (So Tommy Trojan’s file would be called

Trojan_Tommy.wav)  (1 pt)

4.   Create a spectrum of your [i] in (3) and attach a picture of it to this assignment.  You’ll want  to highlight at least 40 ms of your file to do this.  To create the picture, create the spectrum in Praat, then “Print Screen” (usually a PrtSc button somewhere on your keyboard) and paste the image into your answer sheet.  Please crop the image down to just the spectrum.  (6 pts)

5.   Calculate your fundamental frequency, F1, and F2 when pronouncing [i] in (3).  We will use the .wav file that you uploaded to confirm your answer. This answer should be unique for every individual.  (9 pts)

a.   Fundamental Frequency

b.   F1

c.   F2