Hahn Koo

Associate Professor   [CV] Department of Linguistics and Language Development San Jose State University One Washington Square San Jose, CA, 95192-0093, U.S.A. Office: Clark Hall 485 Phone: 408-924-7093 Email: hahn dot koo at sjsu dot edu

Office hours in Fall 2024

• MTWR: 1330 - 1400

Teaching in Fall 2024

• LING 26: Quantitative Reasoning in Linguistic Diversity

• LING 111: Introduction to Linguistic Phonetics

• LING 123: Sound and Communication

• LING 124: Introduction to Speech Technology

Recent work

• Effects of lexical frequency on the post-exposure magnitude of recalibration in lexically guided perceptual learning: An explorative analysis
  (joint work with Reiko Kataoka, Julia Thomas Swan, and Christina Y. Tzeng)
  JASA Express Letters, volume 3, issue 8, 2023, pages 085201_1-7.

• A digital pattern playback system implemented in Python
  (code available here and here)
  Journal of the Acoustical Society of America, volume 151, issue 4, 2022, page A132.

• Change in pitch and voice quality of L2 speakers of English as a function of similarity between their L1 and English
  Journal of the Acoustical Society of America, volume 150, issue 4, 2021, page A42.

• Voice quality differences between American English speakers and Korean learners of English
  Journal of the Acoustical Society of America, volume 148, issue 4, 2020, page 2659.

• Effects of variability and internal structure on malleability of phonetic categories: A case of [i] versus [u]
  (joint work with Reiko Kataoka)
  Journal of the Acoustical Society of America, volume 146, issue 4, 2019, page 3053.