On Wed, 13 Nov 2013, "Christopher M. Bailey" <chris@chrisbailey.au.com> wrote:
But thus far don't feel quite ready to embrace a hearing aid ;
particularly as it mostly seems to affect mobile phone conversations .
https://play.google.com/store/apps/details?id=com.overpass.earassist&hl=e
https://play.google.com/store/apps/details?id=ix.com.android.VirtualAmp&hl= en
The description of both of those programs indicates that they take sound from the microphone and amplify it on the headphone jack. So either of them could act like a hearing-aid for local sounds but it seems that neither of them would be suitable for a phone call in progress. http://tinyurl.com/nlm6l34 The headphone jack on a phone can take any device with the right connector. So you could plug it in to a pair of powered headphones with a built in amplifier (I recommend noise-cancelling headphones for a long phone call). The volume of such a set of headphones with amplifier can be a lot louder than that of the built-in speaker. Also it's probably possible to buy a portable amplifier that can amplify particular frequencies, the above URL has a product that might do something similar to what is required. You could probably walk into a store like JB HiFi and tell them that you want to have headphones that amplify higher frequencies more and find something affordable off the shelf. Another thing to consider is investigating the features of CyanogenMod and other OS images that don't come from the manufacturer. I'm sure that someone has done a build that allows frequency specific amplification to get the high- end sounds. But really if you have problems hearing a phone then the first thing you should do is budget for a good pair of headphones, they make a significant difference. -- My Main Blog http://etbe.coker.com.au/ My Documents Blog http://doc.coker.com.au/