波形処理による音声聴取の評価法の提案

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タイトル別名
  • Proposal Development of Method for Evaluating Voice-hearing Power by Using Waveform Processing
  • 波形処理による音声聴取の評価法の提案 : 母音/i/u/異聴の評価
  • ハケイ ショリ ニ ヨル オンセイ チョウシュ ノ ヒョウカホウ ノ テイアン : ボイン/i/u/イチョウ ノ ヒョウカ
  • —Evaluation of Vowel Confusion between /i/ and /u/—
  • —母音 /i/ /u/ 異聴の評価—

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抄録

To enrich the quality of life of aged human, development of a hearing-aid with which listening is improved comfortably is desired. However, it is peculiarly difficult to fit to sensorineural hearing losses. Therefore, we have studied the development of the appraisal method of voice-hearing power (VHP) by waveform processing. Before now, we proposed the visualizing method for sound waveform to analyze sensibility evaluation with ACE-L (Amplitude Compression/Expansion method - designed with Loudness method) refer to equal-loudness-level contours and non-linear loudness characteristics. In this study, we proposed the method for evaluating VHP of sensorineural hearing losses with ACE-L. To evaluate the effectiveness as hearing-aid fitting, ACE-L was compared with the psychological appraisal. The confusion between /i/ and /u/ was simulated with ACE-L. As the result, ACE-L was effective to objective evaluation of VHP of sensorineural hearing loss was indicated.

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