* The patient described the diplacusis as a harmonic of a fundamental sound in response to external sound and to his own voice.
* The hyperacusis had been present since the onset of the diplacusis.
The patient said that the diplacusis was very distracting during his daily activities, although he had been able to overcome the response from his own voice by altering his vocal technique.
The second link provides information about the specific risk factors for various conditions affecting musicians, including not only tinnitus and hyperacusis, but also hearing damage that results in sound distortions and diplacusis
(inaccurate perception of pitch).
A clinical neurotologic examination yielded a few positive findings, including diplacusis
with the 2-kHz tuning fork and difficulty performing the sharpened tandem Romberg's test.