Masking of Tinnitus Compared to Masking of Pure Tones In 10 subjects with sensorineural tinnitus (associated with a sensorineural hearing loss and no apparent source for a tinnitus originating elsewhere), the minimum level required to mask the tinnitus was determined for tonal maskers at several masker frequencies. This tinnitus masking pattern was compared to a psychoacoustical tuning curve (PTC) ... Research Article
Research Article  |   March 01, 1984
Masking of Tinnitus Compared to Masking of Pure Tones
 
Author Affiliations & Notes
  • Richard S. Tyler
    University of Iowa, Iowa City MRC Institute of Hearing Research, General Hospital, Nottingham, UK
  • David Conrad-Armes
    MRC Institute of Hearing Research, General Hospital, Nottingham, UK
Article Information
Research Articles
Research Article   |   March 01, 1984
Masking of Tinnitus Compared to Masking of Pure Tones
Journal of Speech, Language, and Hearing Research, March 1984, Vol. 27, 106-111. doi:10.1044/jshr.2701.106
History: Received March 21, 1983 , Accepted August 17, 1983
 
Journal of Speech, Language, and Hearing Research, March 1984, Vol. 27, 106-111. doi:10.1044/jshr.2701.106
History: Received March 21, 1983; Accepted August 17, 1983

In 10 subjects with sensorineural tinnitus (associated with a sensorineural hearing loss and no apparent source for a tinnitus originating elsewhere), the minimum level required to mask the tinnitus was determined for tonal maskers at several masker frequencies. This tinnitus masking pattern was compared to a psychoacoustical tuning curve (PTC) in which the signal frequency and level were determined from tinnitus pitch and loudness matching. Different patterns emerged. One subject showed a near-normal PTC but required high-level maskers across the frequency range to mask the tinnitus. Another subject showed some frequency resolution in the PTC but required low-level maskers across the frequency range to mask the tinnitus. For the remaining eight subjects, the masker levels required to mask the tone were generally higher than those levels required to mask the tinnitus. In addition, it was noted that the tinnitus pitch-match frequency was sometimes associated with an increase or a decrease in threshold sensitivity, or it was found at the low-frequency edge of a steep high-frequency threshold loss. In other subjects there was no apparent relationship between the tinnitus pitch and the audiogram shape.

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