开发葡萄牙语版听觉空间噪声测试，用于评估嘈杂环境下的听力能力。
Development of the Listening in Spatialized Noise-Sentences (LiSN-S) Test in Brazilian Portuguese: Presentation Software, Speech Stimuli, and Sentence Equivalence
- 构建葡萄牙语语音数据库并开发配套播放软件，支持三维听觉模拟。
- 筛选出120个等效可懂度句子，通过35名成人和24名儿童验证有效性。
- 适用于有嘈杂环境听力困难的巴西儿童诊断与康复评估。
目前仅提供英语版本的听觉空间化噪声句子测试（LiSN-S）旨在评估听觉空间处理能力。该测试在耳机中营造三维听觉环境，采用简单重复应答方式测定不同条件下句子的言语接受阈值（SRT）。为开发葡萄牙语版本，研究者录制了由专业配音演员提供的语音数据库，并设计了专用呈现软件。测试对象包括35名年龄19至40岁的成年人和24名8至10岁的儿童，均经纯音、言语测听及鼓室图检查确认听力正常且学业表现良好。基于每句话的词错误率与刺激强度之间的逻辑回归曲线，筛选出120句等效可懂度句子，并进行幅度校准。巴西葡萄牙语版LiSN-S框架已就绪，可用于常模数据分析，未来将有助于诊断和康复有噪声环境中听力困难的巴西儿童。
原文摘要 · Abstract (English)
The Listening in Spatialized Noise Sentences (LiSN-S) is a test to evaluate auditory spatial processing currently only available in the English language. It produces a three-dimensional auditory environment under headphones and uses a simple repetition response protocol to determine speech reception thresholds (SRTs) for sentences presented in competing speech under various conditions. In order to develop the LiSN-S test in Brazilian Portuguese, it was necessary to prepare a speech database recorded by professional voice actresses and to devise presentation software. These sentences were presented to 35 adults (aged between 19 and 40 years) and 24 children (aged between 8 and 10 years), all with normal hearing-verified through tone and speech audiometry and tympanometry-and good performance at school. We used a logistic curve describing word error rate versus presentation level, fitted for each sentence, to select a set of 120 sentences for the test. Furthermore, all selected sentences were adjusted in amplitude for equal intelligibility. The framework of LiSN-S in Brazilian Portuguese is ready for normative data analysis. After its conclusion, we believe it will contribute to diagnosing and rehabilitating Brazilian children with complaints related to hearing difficulties in noisy environments
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