Comparison of Custom Sounds for Achieving Tinnitus Relief

 

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Tinnitus masking has been a widely used method for treating clinically significant tinnitus. The method, referred to herein as "sound-based relief," typically uses wearable ear-level devices ("maskers") to effect palliative tinnitus relief. Although often effective, this approach is limited to the use of broadband noise with the maskers. We hypothesized that the effectiveness of treatment can be improved by expanding the auditory-stimulus options available to patients. A pilot study was conducted to determine for each of 21 subjects the most effective of custom sounds that are designed to promote tinnitus relief. While sitting in a sound booth, subjects listened to white noise and to custom sounds that are available commercially for providing tinnitus relief. Three sound formats ("E-Water," "E-Nature," and "E-Air") were provided by the Dynamic Tinnitus Mitigation (DTM-6a) system (Petroff Audio Technologies, Inc.). Additionally, seven sounds were provided by the Moses/Lang CD7 system (Oregon Hearing Research Center). Considering group data, all of the sounds provided a significant reduction in tinnitus annoyance relative to the annoyance of tinnitus alone. Two of the commercial sounds (DTM E-Nature and E-Water) were judged significantly more effective than the other sounds.