The Longer, the Better? Investigating the Effect of Prolonged Acoustic Stimulation on Brief Acoustic Tinnitus Suppression

Inclusion criteria: * Diagnosis of chronic tinnitus, defined as a tinnitus duration of at least 6 months * Written informed consent: The patient must be able to understand the study information, comply with the required examinations and appointments, and provide written informed consent * Male or female patients, aged 18-75 years Exclusion criteria: * Objective tinnitus * Tinnitus below 1000 Hz * Presence of Menière's disease, otosclerosis, acoustic neuroma, or other clearly identifiable and treatable causes of tinnitus * Initiation of other tinnitus treatments within the last three months prior to study entry * Lack of informed consent * Oropharyngeal infection * Presence of clinically relevant severe internal, neurological, or psychiatric disorders * Drug, medication, or alcohol abuse within 12 weeks prior to study entry * Any other condition that, in the opinion of the investigator, makes participation in the study unsuitable * Hyperacusis * Current pharmacological treatment with psychoactive substances (e.g., antidepressants, anticonvulsants)