Clinical Trial of Sound-Based Versus Behavioral Therapy for Tinnitus

Inclusion Criteria: * Age ≥18 years * Primary and persistent tinnitus (6 months or longer in duration) * Tonal tinnitus * Dominant tinnitus frequency measured between 0.2 and 10 kHz * Tinnitus Questionnaire score * No current participation in other tinnitus therapy program * Willing and able to listen to the acoustic prescription for 4-6 hours daily during the trial * Able to pass the Tone Audibility Assessment with factor of 1.1 Exclusion Criteria: * Secondary/somatic tinnitus due to a suspected underlying disease * Atonal, pulsatile, intermittent, or occasional tinnitus * Any hearing threshold \>70 dB HL from .25-8kHz, unless subject passes the Tone Audibility Assessment screening with a factor of 1.1 * Any health or other problems that may prevent the person from completing the study procedures as determined by investigator * Participant reports current suicidal ideation and/or homicidal ideation * Use of medication which may trigger tinnitus \[e.g., quinine derivatives, aminoglycoside antibiotics, daily high dose non-steroidal anti-inflammatory drugs ≥1000 mg, salicylates (when not prescribed as a low dose for cardiac health), loop diuretics and chemotherapy agents like cis-platin\] * Conductive hearing loss * Visible congenital or traumatic deformity of the ear * History of active drainage from the ear within the past 90 days * History of sudden or rapidly progressive hearing loss within the past 90 days * Inability to read and respond appropriately to instructions that appear on the computer screen, and/or to perform all of the procedures * Previous use of Desyncra for Tinnitus Therapy System