ANSI/ASA S3.22-2009 标准详情
- 标准号:ANSI/ASA S3.22-2009
- 中文标题:助听器特性的规范
- 英文标题:Specification of Hearing Aid Characteristics
- 标准类别:美国国家标准
- 发布日期:2009
Describes air-conduction hearing-aid measurement methods that are particularly suitable for specification & tolerance purposes. Test methods described are output sound pressure level (SPL) with 90-dB input SPL, full-on gain, frequency response, harmo
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