Re: Hearing aids power consumption (David Mountain )

Subject: Re: Hearing aids power consumption
From:    David Mountain  <dcm@xxxxxxxx>
Date:    Wed, 17 Dec 2008 16:33:53 -0500

According to Texas Instruments, digital and analog hearing aids have about the same power consumption. This suggests that most of the power is consumed by the analog electronics. -------------------------------------------------------------------- David C. Mountain, Ph.D. Professor of Biomedical Engineering Boston University 44 Cummington St. Boston, MA 02215 Email: dcm@xxxxxxxx Website: Phone: (617) 353-4343 FAX: (617) 353-6766 Office: ERB 413 On Wed, 17 Dec 2008, Yi-Wen Liu wrote: > Dear all, > > We all know that hearing-aid batteries run out quickly. I am wondering > whether the battery power is mainly consumed by the digital > signal-processing circuitry, or by the analog amplifier and receiver? Does > anybody know an approximate percentage, say 60% DSP and 40% analog (just my > random guess)? > > Best regards, > Yi-Wen Liu > Boys Town National Research Hospital >

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