No, it is not necessarily true that the frequency of tinnitus corresponds to the highest frequency sound you can hear. Tinnitus is the perception of sound in the absence of any external source, and it can manifest in various ways. The perceived sound can have different frequencies and characteristics for different individuals.
Tinnitus can be caused by a variety of factors, including exposure to loud noise, ear infections, certain medications, age-related hearing loss, and other underlying health conditions. The frequency of tinnitus can vary widely among individuals and may not directly correlate with the highest frequency sound a person can hear.
If you're experiencing tinnitus or have concerns about your hearing, it's advisable to consult with a healthcare professional or an audiologist who can evaluate your specific situation and provide appropriate guidance and treatment options.