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首页> 外文会议>Korean Society of Noise & Vibration Control;Institute of Noise Control Engineering;International congress and exposition on noise control engineering;ASME Noise Control & Acoustics Division >Result of measurement Speech Transmission Index STI in open plan office
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Result of measurement Speech Transmission Index STI in open plan office

机译：开放式办公室的语音传输指数STI的测量结果

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In open plan office rooms intended for office work, employees should be able to communicate verbally with other employees located at the neighboring work stations, but their conversations should not disturb other employees. This indicates that at a short distance from the speaker speech intelligibility should be high, whereas at a larger distance speech intelligibility should be as low as possible. Speech intelligibility is defined with the speech transmission index STI parameter. Therefore at a short distance from the speaker the STI value should be high (e.g. STI ≥ 0.6, for speech intelligibility – good), whereas at a larger distance it should be as low as possible (e.g. STI < 0.3, for speech intelligibility – bad). In the EN ISO 3382-3 standard other speech intelligibility evaluation parameters are indicated for an open plan office, based on the notion of “boundary” distances from the source, for which speech intelligibility is still satisfactory (distraction distance r_D – distance at which the speech transmission index STI=0.5) and the distance at which speech intelligibility prevents speech intelligibility (privacy distance r_P – at which STI=0.2). The article discusses the results of tests in one open plan office in which two functional zones should be present: 1 – verbal communication and 2 – which should not be reached by verbal communication from zone 1. The purpose of tests was to verify whether the use of acoustic screens will increase the acoustic separation between these zones.
机译：在计划用于办公室工作的开放式办公室中，员工应能够与邻近工作地点的其他员工进行口头交流，但他们的谈话不应打扰其他员工。这表明与讲话者的距离较短时，语音清晰度应较高，而与讲话者的距离较大时，语音清晰度应尽可能低。语音清晰度由语音传输索引STI参数定义。因此，与扬声器的距离较短时，STI值应较高（例如，对于语音清晰度，STI≥0.6 –良好），而与扬声器之间的距离应尽可能小（例如，对于语音清晰度，STI <0.3，–差） ）。在EN ISO 3382-3标准中，基于距来源的“边界”距离的概念，对于开放式办公室，还指示了其他语音清晰度评估参数，对于该距离，语音清晰度仍然令人满意（干扰距离r_D –距离语音传输指数STI = 0.5）以及语音清晰度阻止语音清晰度的距离（隐私距离r_P – STI = 0.2）。本文讨论了在一个开放式办公室中的测试结果，该办公室中应存在两个功能区域：1 –口头交流； 2 –不应通过区域1的口头交流达到。测试的目的是验证是否使用隔声屏的数量会增加这些区域之间的声音间隔。

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