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Relationship between Chinese speech intelligibility and speech transmission index in rooms using dichotic listening

机译：使用分听听的房间中文语音清晰度与语音传输指数的关系

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摘要

Speech intelligibility (SI) is an important index for the design and assessment of speech purpose hall. The relationship between Chinese speech intelligibility scores in rooms and speech transmission index (STI) under diotic listening condition was studied using monaural room impulse responses obtained from the room acoustical simulation software Odeon in previous paper. The present study employs the simulated binaural room impulse responses and auralization technique to obtain the subjective Chinese speech intelligibility scores using rhyme test. The relationship between Chinese speech intelligibility scores and STI is built and validated in rooms using dichotic (binaural) listening. The result shows that there is a high correlation between Chinese speech intelligibility scores and STI using dichotic listening. The relationship between Chinese speech intelligibility scores and STI under diotic and dichotic listening conditions is also analyzed. Compared with diotic listening, dichotic (binaural) listening (an actual listening situation) can improve 2.7 dB signal-to-noise ratio for Mandarin Chinese speech intelligibility. STI method can predict and evaluate the speech intelligibility for Mandarin Chinese in rooms for dichotic (binaural) listening.
机译：语音清晰度（SI）是设计和评估语音目的大厅的重要指标。在前篇论文中，使用房间声学模拟软件Odeon获得的单声道房间冲激响应，研究了房间中中国语音清晰度得分与语音传递指数（STI）之间的关系。本研究采用模拟的双耳室冲动响应和听觉化技术，通过韵律测试获得主观汉语语音清晰度分数。通过使用双耳（双耳）聆听，在房间中建立并验证了中文语音清晰度得分与STI之间的关系。结果表明，使用双耳听觉的中国人语音清晰度得分与性传播感染之间存在高度相关性。还分析了在双耳和双耳听觉条件下中文语音清晰度分数与性传播感染之间的关系。与二重听相比，二重听（双耳）听（实际听情况）可以提高2.7 dB的汉语普通话语音清晰度信噪比。 STI方法可以预测和评估用于双耳（双耳）聆听室中普通话的语音清晰度。

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