A preliminary assessment of the validity of three instrument-based measures for speech rate determination
This study assessed the validity of three instrument-based measures with regard to their potential for implementation in automated procedures for speech rate determination. Recorded monologues of 17 normal speakers were analyzed through a live counting procedure to determine the number of syllables each of them produced. Subsequent transcription of these monologues led to exact counts of: (1) all syllables, (2) stressed syllables only, (3) words, and (4) phrases. These results were compared with instrument-based counts of stressed syllables, voice initiations, and pauses. A correlational analysis revealed that automated counts of stressed syllables were strongly predictive of live syllable counts as well as of transcription-based counts of syllables and words. Automated voice initiation counts were also predictive of these measures, but to a lesser extent. These findings were confirmed by a subsequent factor analysis, which, in addition, demonstrated that the number of pauses represented a separate unique dimension. It follows that automated stressed-syllable counts hold the most promise for clinical applications that target speech rate modification. © 1995.
Communication Sciences and Disorders
Bakker, Klaas, Gene J. Brutten, and John McQuain. "A preliminary assessment of the validity of three instrument-based measures for speech rate determination." Journal of fluency disorders 20, no. 1 (1995): 63-75.
Journal of Fluency Disorders