Subjective measures to evaluate speech intelligibility, quality and difficulty in rooms for young and elderly listeners

Hiroshi Sato

Abstract


The subjective measures to evaluate the speech intelligibility, word recognition, objective acoustical measures and easiness of speech perception were described. The studies were carried out in simulated sound fields and evaluated using multi dimensional scaling analysis (MDS). The studies compared the characteristics of elderly listeners and young listeners for each measure.

Keywords


Acoustic fields; Acoustic noise; Acoustic noise measurement; Anechoic chambers; Audition; Auditoriums; Reverberation; Signal to noise ratio; Speech communication; Speech recognition; Speech transmission; Multi dimensional scaling (MDS) analysis; Word intelligibility

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