Tag: hearing care professionals

Back to Basics: Linguistics 101 for Hearing Healthcare Professionals

The Speech Intelligibility Index (or SII) shows some interesting characteristics. The difference between 340 Hz and 3,400 Hz (coincidentally the bandwidth of the telephone) is fairly similar for continuous discourse, whereas there is a high frequency bias for nonsense syllables. That is, whenever there is a context to speech, there is a greater reliance on lower frequency sounds.

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