Subject: Re: [AUDITORY] How to speak to people about hearing loss and more From: Bob Masta <audio@xxxxxxxx> Date: Tue, 15 Oct 2013 08:11:10 -0400 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>
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 http://www.youtube.com/watch?v=OvHmrShrmaM My understanding (which may be a few years out of date) is that cochlear implants rarely get more than 8 or so useful channels in actual patients, no matter how many channels there are on the prosthesis itself.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!