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作者用由专业播音员录音的20组语音平衡词(每组25词)测试45人,选出25个“难”和25个“易”的词,由同一播音员重新录制成两个新词表。再由另两人唸词各录制两套新词表。用这三人唸的难、易录音词,测试得语言清晰度曲线。对专业播音员录制的两组词的清晰度曲线有明显差异,而对另2人录制的难易二组词的清晰度曲线则相差不大。在对其它因素[如语音结构、词的熟悉程度、词环境(word environment、词的内外关系——数词、单音节词、扬扬格词、两个音节的元音或辅音之间的关系等)和个体差异等]作了研究后,作者们认为不同人唸的词,对语言清晰度的影响,远远超过其它因素的影响。在选择助听器时只用一个词表,会受到记忆作用的影响。但从鉴别诊断的角度观察,则用一个词表和用几个词表得出的清晰度曲线并无明显
The author tested 45 people with 20 phonetic balance words (25 words per group) recorded by a professional announcer, selected 25 “hard” and 25 “easy” words, which were re-recorded by the same announcer into two new words table. Then two other words recorded by the other two new vocabulary list. With these three people to read the difficult, easy to record words, test the language clarity curve. The sharpness curves of two groups of words recorded by the professional announcer are obviously different, while the sharpness curves of the difficult two groups of words recorded by the other two people are not much different. In the analysis of other factors [such as phonetic structure, familiarity with words, word environment, internal and external relations of words - numerals, monosyllabic words, Yang yan lattice words, vowel or consonant of two syllables, etc. ), And individual differences, etc.], the authors think that the impact of different people’s reading words on speech intelligibility far outweighs the impact of other factors. When choosing a hearing aid, only one vocabulary will be affected by the memory effect. However, from the perspective of differential diagnosis, then using a vocabularies and several vocabularies derived sharpness curve is not obvious