| 1 | Lecture 1: Introduction (PDF) |
| 2 | Lecture 2: Geographical Variation - Transcription (PDF - 1.7 MB)
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| 3 | Lecture 3: Overview of Accent Variation in the USA (PDF - 2.4 MB)
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| 4 | Lecture 4: Speech Acoustics (PDF - 4.4 MB) |
| 6 | Lecture 5: What Are the Units of Sound Change? (PDF - 1.8 MB) |
| 7 |
 Lecture 6: Regular Sound Change vs. Lexical Diffusion (PDF)
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| 9 | Lecture 7: Age-Related Variation (PDF) |
| 10 | Lecture 8: Social Variation (PDF - 1.1 MB) |
| 11 | Lecture 9: Variation within the Individual and Modeling Sound Change (PDF - 1.6 MB) |
| 12 | Lecture 10: The Role of the Listener in Sound Change (PDF - 1.7 MB) |
| 14 | Lecture 11: An Exemplar-Based Model of Sound Change (PDF - 1.3 MB) |
| 15 | Lecture 12: Phonetic Grammar and Gradual Change (PDF - 1.0 MB) |
| 25 | Lecture 13: Syntactic Change (PDF) |
| 26 | Lecture 14: Syntactic Change II (PDF) |
