hearing aid signal processing

We are now up to 109 dB…

The input-related dynamic range of modern hearing aids (also known as its input “Headroom”) is important to know in order to prevent distortion and input-clipping of louder sounds in the environment.  Typical loud input sounds are music and the level of a hearing aid consumer’s own voice.  Up until recently, the highest-level sound that could…

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My favorite post of all time

The Mysterious Case of the Missing C# It was a dark and stormy Thursday when suddenly the telephone rang.  I heard a voice that I didn’t recognize but something about it was familiar.  He said that he had lost something that was very important to him and he had to see me right away.  I…

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