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<p>Although tinnitus masking therapy is widely used clinically, objective audiometric evidence quantifying its effect on tinnitus pitch, minimum masking level (MML), and residual inhibition remains limited. To prospectively evaluate the effectiveness of personalized tinnitus masking therapy using standardized pure tone audiometry and psychoacoustic measures.Thirty-one adults with chronic tinnitus underwent baseline audiological evaluation including PTA (250–8000&#xa0;Hz), pitch matching, loudness matching, MML, residual inhibition testing, and THI scoring. Participants used individually programmed CiC tinnitus maskers for six weeks (2–4&#xa0;h/day). Pre- and post-intervention measures were compared using paired t-tests. Significant reductions were observed in tinnitus pitch (right ear: 6687 ± 2840&#xa0;Hz to 6139 ± 2942&#xa0;Hz, <i>p</i> = 0.049; left ear: 6527 ± 3842&#xa0;Hz to 6044 ± 2821&#xa0;Hz, <i>p</i> = 0.040) and MML bilaterally (<i>p</i> &lt; 0.05). Air conduction thresholds showed mild improvement, while bone conduction thresholds remained stable. Residual inhibition duration increased with longer masker exposure. Personalized tinnitus masking therapy produces measurable reductions in tinnitus pitch and MML without affecting cochlear integrity. These findings provide objective audiometric evidence supporting individualized sound therapy in chronic tinnitus management.</p>

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Effectiveness of Personalized Tinnitus Masking Therapy Evaluated Using Pure Tone Audiometry: A Prospective Clinical Study

  • 期刊论文

  • 发表日期：

    2026年4月7日

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  • Dhulfiqar Raad Hassoon,
  • Sebahaddin Alptekin,
  • Ashraf M. Alattar

摘要

Although tinnitus masking therapy is widely used clinically, objective audiometric evidence quantifying its effect on tinnitus pitch, minimum masking level (MML), and residual inhibition remains limited. To prospectively evaluate the effectiveness of personalized tinnitus masking therapy using standardized pure tone audiometry and psychoacoustic measures.Thirty-one adults with chronic tinnitus underwent baseline audiological evaluation including PTA (250–8000 Hz), pitch matching, loudness matching, MML, residual inhibition testing, and THI scoring. Participants used individually programmed CiC tinnitus maskers for six weeks (2–4 h/day). Pre- and post-intervention measures were compared using paired t-tests. Significant reductions were observed in tinnitus pitch (right ear: 6687 ± 2840 Hz to 6139 ± 2942 Hz, p = 0.049; left ear: 6527 ± 3842 Hz to 6044 ± 2821 Hz, p = 0.040) and MML bilaterally (p < 0.05). Air conduction thresholds showed mild improvement, while bone conduction thresholds remained stable. Residual inhibition duration increased with longer masker exposure. Personalized tinnitus masking therapy produces measurable reductions in tinnitus pitch and MML without affecting cochlear integrity. These findings provide objective audiometric evidence supporting individualized sound therapy in chronic tinnitus management.