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CSE551/651 Structure of Spoken Language

Fall 2005
Mondays/Wednesdays, 11:30 a.m.-12:50 p.m., Room WCC 407, Wilson Clark Center

John-Paul Hosom
'hosom' at cse.ogi.edu
503.748.1456

Course Description
See the course description located at http://www.csee.ogi.edu/courses/CSE551/
    Syllabus in Microsoft Word format
    Syllabus in Adobe PDF format

Course Overview
Speech is considered a key component in the future of human-computer communication. However, the success of speech recognition and text-to-speech synthesis systems depends on development of the technology as well as further research advances. Research and development of spoken-language technology is facilitated by an understanding of the acoustic and symbolic structure of language, as well as the capabilities and limitations of current systems. This course will present some of what is known about speech in terms of phonetics, acoustic-phonetic patterns, and models of speech perception and production. The goals are for the student to understand how speech is structured, understand and identify acoustic cues (especially in different phonetic contexts), and understand how this information may be relevant to automatic speech recognition or generation systems.

Textbook
The recommended textbook is:

A Course in Phonetics
Peter Ladefoged
Harcourt Brace, Fort Worth, 1993 (or later editions)

The lecture notes will provide the necessary material, but the textbook provides valuable supplementary information.   The textbook should be on reserve at the library.

Reading
I recommend reading the following chapters of the textbook prior to the midterm:
Chapter 1: Articulatory Phonetics
Chapter 2: Phonology and Phonetic Transcription
Chapter 4: English Vowels and Phonological Rules
Chapter 7: Place and Manner of Articulation
Chapter 10: Syllables and Suprasegmental Features: only the section on Syllables
Reading the textbook is not required for the midterm, but the information may be useful and complementary to the lecture notes.

For the rest of the course, the following chapters may provide interesting supplemental material:
Chapter 10: Syllables and Suprasegmental Features (rest of the chapter)
Chapter 5: English Words and Sentences
Chapter 11: Linguistic Phonetics

Grading Policy
Grading is based on daily short homework exercises, a class project, a midterm, and a final.  The homework is worth about 27% of the final grade, the project is worth about 18%, the midterm is worth 25%, and the final is worth 30%.  No programming is required for any of the exams, the homework, or the project.  The topic of the project is flexible and may, if the student wishes, involve programming.


Weekly Schedule
Lecture notes are added as links to power-point files. 

Week Number Links
Lecture Topics
Week 1:
Sep. 26, 28
lecture1
spec-vowels1
HW1: vowels
lecture2
spec-vowels2
HW2: vowels
  • Course Overview
  • Visualization of the Speech Signal
  • Introductory Phonetics
  • Spectrogram Reading: Vowels and Diphthongs
Week 2:
Oct. 3, 5
HW3: vowels
lecture3
HW4: vowels
  • Phonetic Symbols
  • Physiology of Speech Production
  • Spectrogram Reading: Vowels and Diphthongs
Week 3:
Oct. 10, 12
Monday: present fricatives; spectrograms of vowels
HW5: fricatives
lecture4: manner of articulation
spec-fricatives1
HW6: fricatives
  • Spectrogram Reading: Vowels & Diphthongs
  • Characteristics of Manner of Articulation
  • Spectrogram Reading: Fricatives
Week 4:
Oct. 17, 19
lecture5: place of articulation and transcription
HW7: fricatives
spec-fricatives2
lecture6b: stops
HW8: stops
spec-stops1
  • Characteristics of Place of Articulation
  • Phonetic Transcription
  • Characteristics of Stops
  • Spectrogram Reading: Stops
Week 5:
Oct. 24, 26
(DST: 1 hr shift Oct. 30)
lecture6: phonological processes
HW9: stops
HW10: stops
lecture7: syllables, neutralization, coarticulation
  • Phonological Processes
  • Syllable Structure
  • Vowel Neutralization
  • Coarticulation
Week 6:
Oct. 31,
Nov.2

Midterm
lecture7: characteristics of nasals
spec-nasals1
HW11: nasals
  • Midterm Oct 31st (?) in-class
  • Go over midterm in class
  • Characteristics of Nasals
  • Spectrogram Reading: Nasals
Week 7:
Nov. 7, 9
lecture 8: mathematical descriptions of speech
HW12: nasals
lecture 9: source-filter model
HW13: nasals
  • Mathematical Descriptions of the Speech Signal
  • Spectrogram Reading: Nasals
  • Source-Filter Model of Speech
Week 8:
Nov. 14, 16
lecture 10: sound perception, part I
lecture 10b: approximants
HW14: approximants
spec-approx1
lecture 11: sound perception, part II
HW 15: approximants
  • Sound Perception, Part I
  • Spectrogram Reading: Approximants
  • Sound Perception, Part II

Week 9:
Nov. 21, 23
HW 16: approximants
spec-affricates
lecture 12: speech perception: facts (Nov 23)
lecture 12b: affricates
HW 17: affricates
  • Sound Perception, Part II con't
  • Spectrogram Reading: Approx, con't
  • Speech Perception
  • Spectrogram Reading: Affricates
Week 10:
Nov. 28, 30
lecture 13: speech perception: theories
HW 18: affricates
lecture 14: text-to-speech synthesis and automatic speech recognition
final spectrogram practice
  • Theories of Human Speech Recognition
  • Text-to-Speech Technology
  • Automatic Speech Recognition Technology
  • Practicing spectrogram reading for final exam (text documentation)
Finals Week
Dec. 5 - 9
final (take home)
  • Take-home final due by midnight, 9-Dec-2005

General inquiries:
csedept@cse.ogi.edu
503.748.1151

Department of Computer
Science and Engineering
OGI School of
Science & Engineering
OHSU
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Beaverton, OR 97006-8921

503.748.1553 FAX

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