GB/T 14199-2010 Translated English of Chinese Standard. (GBT 14199-2010, GB/T14199-2010, GBT14199-2010): Electroacoustics - General specification for hearing aidshttps://www.chinesestandard.net, 2019 M03 16 - 24 pages This Standard specifies the technical requirements, measuring methods, inspection rules, marking, packaging, transportation and storage for hearing aids. This Standard applies to air- and bone-conduct hearing aids. |
Contents
3 | |
Scope | 5 |
Terms and definitions | 6 |
Technical requirements | 8 |
Measuring method | 11 |
16 | |
Marking packaging transportation and storage | 23 |
Common terms and phrases
acceptance inspection acoustic coupler actually measured test aid A hearing allowable deviation analog signals average rate bone-conduct hearing aids Digital hearing aids electroacoustic performance Electromagnetic compatibility environmental conditions specified environmental testing item equivalent input noise frequency average Frequency response range Full-scale gain function and electroacoustic high-frequency average inductive pickup coils input sound pressure inspection items inspection lot internal ear item is acceptable level is 90 load and storage measured as specified measured test value nominal value nonconformities of category normal working position number of nonconformities output sound pressure packaging box parameters of test periodic inspection power supply product standards rate of 1°C/min Rated supply current reference test gain rejection quality levels relative humidity room temperature sample at room sampling inspection sensitivity of inductive sound pressure level specified in 4.1 standards or technical supply current consumption sweep-frequency technical instructions technical parameters Total harmonic distortion value is specified