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Related Experiment Video

Updated: Jun 6, 2025

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
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An Anechoic, High-Fidelity, Multidirectional Speech Corpus.

Margaret K Miller1, Vahid Delaram2, Allison Trine2

  • 1Center for Hearing Research, Boys Town National Research Hospital, Omaha, NE.

Journal of Speech, Language, and Hearing Research : JSLHR
|December 2, 2024
PubMed
Summary
This summary is machine-generated.

A new multidirectional, high-fidelity speech corpus was created using anechoic recordings. This resource enables advanced speech perception studies, including effects of speech directivity and extended high frequencies.

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Area of Science:

  • Audiology
  • Speech Science
  • Acoustics

Background:

  • Current speech testing materials do not fully represent real-world auditory conditions.
  • Lack of materials capturing speech directivity and extended high frequency (EHF) content limits understanding of speech perception.

Purpose of the Study:

  • To develop a multidirectional, high-fidelity speech corpus.
  • To create resources for studying speech perception in complex acoustic environments.
  • To enable research on the impact of speech directivity and EHF content.

Main Methods:

  • Utilized multichannel anechoic recordings of 30 talkers (15 male, 15 female).
  • Recorded Bamford-Kowal-Bench (BKB) Standard Sentence Test lists, digits 0-10, and unscripted narratives.
  • Employed 17 free-field microphones with a 48 kHz sampling rate.

Main Results:

  • A comprehensive speech corpus was generated, including multiple BKB lists, digits, and narratives.
  • The corpus features recordings from a diverse group of 30 talkers.
  • Public availability of recordings facilitates broader research access.

Conclusions:

  • The developed corpus supports more diverse and precise speech recognition testing.
  • Enables investigation into the effects of speech directivity and EHF content on perception.
  • Provides a valuable resource for studying speech in complex auditory scenes.