Architectural Study of Magnetic-looped-seats in Concert Halls Supporting Hard of Hearing People to hear and to see.

音乐厅磁环座椅的建筑研究，支持听力障碍人士听到和看到。

• 批准号: 12450249
• 负责人: YOSHIDA Ako
• 金额: $ 4.93万
• 依托单位: Jissen Women's University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 2000
• 资助国家: 日本
• 起止时间: 2000 至 2001
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-12450249/
• 关键词: hard of hearing person; aged people; concert hall; symphony; hearing aids; magnetic looped seat; Telephone function; time distribution of sound pressures; 音圧変化表

In the present community which includes younger people, aged people sometimes experience serious sound distinction problems due to sensory deterioration caused by age-related hearing loss. This paper investigated the usability of magnetic-looped seats prepared in a concert hall for hard of hearing people by linking their hearing aids to stage pure sounds, thereby avoiding hall noises, and analysed time-distributions of music sound pressures during performances compared with their hearing loss levels. Results were as follows. 1) Hearing aids are acceptable with the MT-function which enables wearest to hear sound directly from the stage through T(telephone coils) and ambient sounds, inclu ding applause through M(microphone). 2)Hard of hearing people use their imaginations by making up music from noises at intervals. 3)Seats from which players are clearly visible are preferable, because visual contact is essential to support the hard of hearing. But, users said that sounds through T mode hearing aids at the magnetic-looped seats were smaller than ambient music sounds. Though the stage music sounds (at the microphone of magnetic-loopes) were measurred bigger than ambiant music sounds. Then, this deterioration of sound pressures were analized, by measuring magnetic forces in the magnetic circuit. Results were as follows. 1) Magnetic forces are declined depend on distances from magnetic-loops installed in floorboads. 2) Although the recommended height of hearing aids is 1m from the floor, however the ears'height when sitting is 1.3m at which sounds declease to -4dB, although sounds on the floor level inclease to +13dB. 3) Further the sounds decleased to -6dB due to the narrow distance between magnetic-loops and shields both installed in the 2nd floor boad. This study obtained basic requirements for architectural planning of concert halls in consideration of hard of hearing people.

在包括年轻人在内的当前社区中，由于与年龄有关的听力损失引起的感觉恶化，有时会遇到严重的声音区分问题。本文调查了在音乐厅在音乐厅准备的磁性座椅的可用性，以使人们的助听器与舞台纯净的声音联系起来，从而避免了大厅的声音，并分析了与听力损失水平相比，表演期间音乐声音压力的时间分配。结果如下。 1）MT功能可以接受助听器，这使磨损能够通过T（电话线圈）和环境声音直接从舞台上听到声音，包括通过M（麦克风）的掌声。 2）听到人们的想象力，通过间隔从噪音中制作音乐来使用自己的想象力。 3）明显可见的座位是可取的，因为视觉接触对于支持难度的听力至关重要。但是，用户说，通过T模式通过磁性座椅的助听器的声音比环境音乐声音小。尽管舞台音乐的声音（在磁环的麦克风上）的测量比Ambiant音乐声音更大。然后，通过测量磁回路中的磁力来对声压的这种恶化进行分析。结果如下。 1）磁力被降低，取决于与地板上安装的磁路的距离。 2）尽管推荐的助听器高度距地板1m，但是坐着时的耳朵是13m的耳朵，尽管在地板上倾斜到 +13dB的声音上听起来偏斜为-4db。 3）此外，由于磁路和盾牌之间的距离狭窄，均安装在2楼BOAD中，因此声音偏离了-6dB。考虑到听力很难的人，这项研究获得了音乐厅的建筑规划的基本要求。