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The Connected Speech Test version 3: audiovisual administration.

R M Cox1, G C Alexander, C Gilmore

  • 1Department of Audiology and Speech Pathology, Memphis State University, Tennessee.

Ear and Hearing
|February 1, 1989
PubMed
Summary
This summary is machine-generated.

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The Connected Speech Test (CST) was adapted for audiovisual use, creating CST version 3. This new version maintains score reliability comparable to audio-only administration for speech intelligibility assessments.

Area of Science:

  • Audiology
  • Speech-Language Pathology
  • Hearing Science

Background:

  • The Connected Speech Test (CST) assesses everyday speech intelligibility.
  • Previous versions (CST 1 & 2) focused on audio-only administration for normal-hearing and hearing-impaired listeners.
  • Audiovisual administration of the CST was investigated to enhance speech intelligibility measurement.

Purpose of the Study:

  • To evaluate the Connected Speech Test (CST) when administered audiovisually.
  • To develop a new version of the CST (version 3) based on audiovisual testing.
  • To compare the reliability of audiovisual versus audio-only CST administration.

Main Methods:

  • Developed 48 familiar-topic passages for the CST, each with 25 scoring words.
  • Administered the audiovisual CST to 26 normally hearing subjects.

Related Experiment Videos

  • Generated CST version 3 based on study results, with passages presented in sets of four or six.

    • Main Results:

    • Audiovisual administration of the CST was investigated with normally hearing subjects.
    • A new version, CST version 3, was developed incorporating audiovisual presentation.
    • The critical difference between scores was estimated to be consistent across audio and audiovisual administration.

    Conclusions:

    • The Connected Speech Test (CST) can be effectively administered audiovisually.
    • CST version 3 offers a reliable method for measuring speech intelligibility, comparable to audio-only versions.
    • Audiovisual CST administration may provide a more ecologically valid measure of speech understanding in real-world listening conditions.