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I am very hard of hearing.

Is there a sound amplification app one can use with earbuds? Earbuds with a microphone for a Droid are a non-issue but I don't know where to find an inexpensive app to work with the hardware.

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What version of Android are you using? But this application Volume+ might work for you if you're running Cyanogen Mod… I'd read the instructions carefully though! – Peanut May 7 '12 at 1:22
(Just sharing; and definitely not what you're looking for) I'm also hard of hearing, but I use a headset with my in-the-ear hearing aids. – geffchang May 7 '12 at 2:36

If you have one of the supported phone models:

There's an app called voodoo sound.

  • Voodoo Sound in Google's Play store
  • Downside: Requires a custom kernel, only for supported phones (see description in market)

The paid app comes without a requirement for a custom kernel (but needs root)

Both replace the audio codec's driver and allow fine tuning and to turn on formerly unused chip features (see description).

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