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Thank you for the info. The app I use is called TinnitusPlay. It is a free app. It removes approximately a 1 kHz notch centered on the frequency...
I developed a 9450 Hz tone in my left ear early in February at the onset of a sinus infection. Doctors haven't been much help (sum total results...
I woke up a few weeks ago with a head cold and a ringing in one ear. The head cold happens every so often but the ringing is a first. After a...