Category: Decibel

The Sounds of Africa – Lions

Wayne Staab Leave a comment Africa / Audiology / Decibel / Fundamental Frequency / lion / Mala Mala / roar / Sound Pressure Level (SPL) / South Africa / South Africa

The Lion Roar is the Voice and Sound of Africa   Off in the distance in the savannahs of Africa, you listen, and a roar comes out of the deep, creating an uneasy trepidation.  The lion’s roar is indeed the voice and sound of Africa.  It sends an awesome message to the world that he…

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Hearing Aid Verification Using Functional Gain – Part II

Wayne Staab 1 Comment AGC / Anechoic environment / Compression / Compression / Decibel / Deep Fit / Directional Microphone / Feedback / Free Field / Functional Gain / Hearing Testing / HINT / Insertion Gain / Knee / Linear amplification / Mic Probe / QuickSIN / Real-Ear / Sound Field / Sound Pressure Level (SPL) / SRT / Test Environment / Threshold Knee Control / Warble Tone / Word Recognition

Note:  This is a continuation of a previous blog: Hearing Aid Verification Using Functional Gain – Part I, which was last week’s blog.   Functional Gain in Hearing Aids   Functional Gain (FG) = Aided Threshold minus the Unaided Threshold (FG = A-U). Unaided thresholds are measured to tones presented through the loudspeaker(s). Various frequencies…

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