Subject: Re: [AUDITORY] How to speak to people about hearing loss and more From: Pat Zurek <pat@xxxxxxxx> Date: Thu, 17 Oct 2013 13:47:25 -0400 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>An approach that we have taken in several hearing conservation projects has been to demonstrate the effects of hearing damage using a hearing-loss (and tinnitus) simulator. The idea is to deliver the message through direct experience rather than (or in addition to) talking about decibels and hair cells. Here (http://www.sens.com/pyh/index.htm) is a short video that illustrates that approach. The video played on a kiosk at a AAA meeting a few years ago, and was aimed at middle- and high-school students who were invited to the meeting to see hearing-related demos. Pat Zurek -- Patrick M. Zurek President Sensimetrics Corporation 14 Summer St. Malden, MA 02148 Tel: 781-399-0858 x237 Fax: 781-399-0853 email: pat@xxxxxxxx web: www.sens.com On 10/16/2013 11:21 AM, Sarah Hargus Ferguson wrote: > I teach the Cochlear Implants class at my university and so have occasion to stay "up" on this; 8 channels is still what typical CI users are getting. Basically a CI is a string of electrodes floating in a electrolyte solution, and so the current spread is significant no matter the number or spacing of the electrodes or even how close to the modiolus the array is placed. > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Sarah Hargus Ferguson, Ph.D., CCC-A > Assistant Professor > Department of Communication Sciences and Disorders > University of Utah > > > -----Original Message----- > From: AUDITORY - Research in Auditory Perception [mailto:AUDITORY@xxxxxxxx On Behalf Of Bob Masta > Sent: Tuesday, October 15, 2013 6:11 AM > To: AUDITORY@xxxxxxxx > Subject: Re: How to speak to people about hearing loss and more > > On 14 Oct 2013 at 15:04, Kevin Austin wrote: > >> The new [sic] generation is in the middle of this "plague of silence". >> >> Implants? >> >> what do they sound like? >> >> http://www.youtube.com/watch?v=SpKKYBkJ9Hw >> >> http://www.youtube.com/watch?v=00WOao4kpwM >> >> There may be examples of 128 and 256 channel reconstruction somewhere >> out there. Consider that 256 channels only yields about 1/3 semitone >> bandwidth, probably ok for speech and autotuned music. >> http://www.youtube.com/watch?v=OvHmrShrmaM > > My understanding (which may be a few years out of date) is > that cochlear implants rarely get more than 8 or so useful > channels in actual patients, no matter how many channels > there are on the prosthesis itself. Partly this has to do > with insertion and positioning issues, but mostly it's due > to the fact that the closer the electrodes are spaced, the > closer they have to be to their targets in order to be > separately resolved... and you just can't get all that > close. > > Best regards, > > > Bob Masta > > D A Q A R T A > Data AcQuisition And Real-Time Analysis > www.daqarta.com > Scope, Spectrum, Spectrogram, Signal Generator > Science with your sound card!