Intelligibility of chimeric locally time-reversed speech: Relative contribution of four frequency bands

Kazuo Ueda, Ikuo Matsuo

Research output: Contribution to journalArticlepeer-review

Abstract

Speech intelligibility of 4-band stimuli was investigated (n = 18), such that only one of the frequency bands was preserved, whereas other bands were locally time-reversed (segment duration: 75-300 ms), or vice versa. Intelligibility was best retained (82% at 75 ms) when the second lowest band (540-1700 Hz) was preserved. When the same band was degraded, the largest drop (10% at 300 ms) occurred. The lowest and second highest bands contributed similarly less strongly to intelligibility. The highest frequency band contributed least. A close connection between the second lowest frequency band and sonority was suggested.
Original languageEnglish
Article number065201
Pages (from-to)1-6
Number of pages6
JournalJASA Express Letters
Volume1
Issue number6
DOIs
Publication statusPublished - Jun 23 2021

All Science Journal Classification (ASJC) codes

  • Experimental and Cognitive Psychology
  • Linguistics and Language
  • Acoustics and Ultrasonics

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