Pekkarinen E, Viljanen V
Department of Otolaryngology, Turku University Central Hospital, Finland.
Audiology. 1990;29(4):219-27. doi: 10.3109/00206099009072853.
Noise and reverberation in a room affect speech discrimination. Sound-absorbing materials are used to shorten reverberation times. To find out the effect of acoustic treatment on speech discrimination, an acoustic refitting was carried out in a classroom and in a multipurpose hall. The normal-hearing test subjects perceived the word material (sentences, words and nonsense words) binaurally from the loudspeaker. The tests were repeated after the acoustic refitting of the rooms. The sound-absorbing treatment improved speech discrimination. In quiet, the improvement in discrimination was minimal or absent, but was well documented in a noisy environment. In rooms where speech communication takes place, attention should be paid to acoustic conditions: acoustic treatment can improve the quality of communication.
房间内的噪音和混响会影响言语辨别。吸音材料用于缩短混响时间。为了探究声学处理对言语辨别能力的影响，在一间教室和一个多功能厅进行了声学改造。听力正常的测试对象通过扬声器双耳收听单词材料（句子、单词和无意义音节）。在对房间进行声学改造后重复进行测试。吸音处理提高了言语辨别能力。在安静环境中，辨别能力的提高微乎其微或没有提高，但在嘈杂环境中则有明显改善。在进行言语交流的房间里，应注意声学条件：声学处理可以提高交流质量。
