DEVELOPMENT OF AN ADVANCED AUDIOMETRIC HEADSET SYSTEM

研究和开发一种便携式、廉价的环境噪声衰减系统，用于听力测试。该设备将是一个技术先进的耳机与插入式耳机一起使用。结合起来，该装置的总衰减将优于任何当前便携式替代品的上级。这种耳机和插入式耳机的组合将被设计为在听力测试期间衰减环境噪声，并将在某些环境噪声条件下取代隔音测试室和移动的测试设施。该系统的便携性将使其能够在学校、疗养院、监狱和医院的病人康复室等场所使用。这项研究的结果将是一个经过测试的原型。这项研究和开发的最终目标将是制造一种便携式听力测试系统，该系统在满足ANSI S3.1-1999标准方面提供上级单壁房间的噪声衰减性能。拟议的商业应用：拟议的便携式听力测试系统将超过单壁隔离测试室在低频下的衰减性能。该系统的耳机部分将花费1,000美元至2,000美元，取代一个5,000美元的房间重1,500磅。许多用于听力测试的现场安装的隔离室不符合ANSI S3.1 - 1991标准，并且其用户不知道这一缺陷。该系统将自动验证ANSI兼容性，便携式，比当前的设施更便宜。这反过来又允许在受试者方便的地点，即学校、商场、制造设施进行更广泛的筛查。

The research and development of a portable, inexpensive, system for ambient noise attenuation is proposed for use in audiometric testing. The device will be a technologically advanced headset used in conjunction with insert earphones. In combination, the total attenuation of the device will be superior to any current portable alternative. This combination of headset and insert earphones will be designed to attenuate ambient acoustic noise during audiometric testing, and will replace sound isolation test rooms and mobile test facilities under certain ambient noise conditions. The portability of the system will enable it to be used in venues such as schools, nursing homes, prisons and patient recovery rooms in hospitals. The result of this research will be a tested prototype. The ultimate goal of this research and development will be to manufacture a portable audiometric testing system that provides noise- attenuation properties superior to a single-walled room in meeting ANSI S3.1-1999 standards. PROPOSED COMMERCIAL APPLICATIONS: The proposed portable audiometric testing system will exceed the attenuation performance of single-walled isolation test rooms at low frequencies. The headset portion of the system will cost between $1,000 and $2,000 replacing a $5,000 room weighing 1,500 lbs. Many field- installed isolation rooms used in audiometric testing do not meet ANSI S3.1 - 1991 standards and their users are unaware of this failing. The system will automatically verify ANSI compliance, be portable, and less expensive than current facilities. This would in turn allow more wide spread screening at convenient locations for the subjects, i.e. schools, malls, manufacturing facilities.