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The Resound approach to tinnitus management
Resound make available an advanced tinnitus sound generator for behind the ear, receiver in the ear and custom remote microphone versions of their Verso 9 and Verso 7 hearing aids.
For each listening program created on the hearing aids the dispenser can elect to activate the tinnitus sound generator and if desired disable the microphones
Disabling the microphones will convert the hearing aid to a pure tinnitus sound generator (except in telecoil programs that use an inductive coupler to pick up speech signals).
The dispenser can then select the sound generated. This may be High Frequency Noise, White Noise, Speech Noise, Pink Noise or alternatively create a custom sound profile that better suits the patient.
At this stage the default volume level for the sound generator is set. However there is considerable flexibility available and the sound generated may adjusted by the user.
Extract from Resound’s fitting software showing tinnitus sound generator controls and sound output graph
If adjustment is desired the user may manually alter the sound using a volume control or the hearing aids may make automatic changes based on the listening environment or a mixture of both methods may be utilised.
Amplitude Modulation causes the sound generated to fluctuate and creates a noise akin to waves breaking on a sea shore. Amplitude modulation may be incorporated if the patient considers that this strategy is beneficial to the management of their tinnitus.
The settings are variable: modulation may be set to mild, moderate or strong, the strong setting offers the most fluctuation in volume. Modulation speed may be adjusted between slow, medium or fast; afast setting minimises the time between volume fluctuations.
If the amplitude modulation, modulation speed and sound level adjustment setting in each instrument is identical the left/right output may be synchronised thus avoiding bothersome “out of phase” sound generation.
