A Danish Sentence Corpus for Assessing Speech Recognition in Noise in School-Age Children

Shno Koiek, Jens Bo Nielsen, Laila Kjærbæk, Maria Baltzer Gormsen, Tobias Neher*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

For the audiological assessment of the speech-in-noise abilities of children with normal or impaired hearing, appropriate test materials are required. However, in Denmark, no standardized materials exist. The purpose of this study was to develop a Danish sentence corpus suitable for testing school-age children. Based on the 600 validated test sentences from the Danish DAT (Dagmar, Asta, or Tine) corpus, 11 test lists comprising 20 sentences each were carefully constructed. These lists were evaluated in terms of their perceptual similarity and reliability with a group of 20 typically developing, normal-hearing children aged 6 to 12 years. Using stationary speech-shaped noise and diotic stimulus presentation, speech recognition thresholds (SRTs) were measured twice per list and participant at two separate visits. The analyses showed that six test lists were perceptually equivalent. These lists are characterized by a grand average SRT of −2.6 dB signal-to-noise ratio, a test–retest improvement of 0.6 dB, and a within-subject standard deviation of 1.1 dB signal-to-noise ratio. The other lists were characterized by slightly higher SRTs, slightly larger training effects, and slightly larger measurement uncertainty, but were otherwise also usable. Overall, it is therefore concluded that the developed corpus is suited for assessing speech recognition in noise in Danish 6- to 12-year olds. The corpus is publicly available.
Original languageEnglish
JournalTrends in Hearing
Volume24
Pages (from-to)1-8
ISSN2331-2165
DOIs
Publication statusPublished - 2020

Keywords

  • Speech test
  • Speech recognition in noise
  • Pediatrics

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