Acoustic Testing

We KMO have an advanced speech laboratory, which can provide tests for speech performance and sound safety requirements, and specialize in testing for electroacoustic measurement of hearing aids. The advanced test laboratory includes an anechoic chamber, equipped with professional measurement analyzers, various test head couplers or ‘HATS’ (head and torso simulators) that meet the requirements of acoustic testing, and professional microphones and audio sources. Further testing can be performed on demand. If you have special requirements, please feel free to contact our KMO acoustic experts.

We KMO have a communication lightning strike laboratory, which can provide lightning strike safety tests for communication ports. Equipped with international advanced multifunctional communication wave generators and various coupling and decoupling networks, it can perform international telecommunication ITU-T regulations and tests. Further testing can be performed on demand. If you have special requirements, please feel free to contact our KMO.

In response to the continuous development of global wireless communication technology and the continuous emergence of various new technology man-machine interfaces, KMO Laboratories utilizes a global partner network to provide consulting and agency application services for various patent logos to meet the changing needs of customers Kind of certification requirements.

Other services of our KMO include:

*Acoustic Testing
*ITU Standard Testing
*DFS Testing
*SAR Testing
*EMR Testing
*Medical Testing
*Patent Logo
*5G Mobile Terminal
*mmWave Testing
*Metology Calibration
*etc.

We KMO have advanced speech laboratory , can provide speech performance and sound safety requirements testing, and specialized in hearing aid electroacoustic measurement testing. The state of the art test laboratory includes anechoic chambers with professional measurement analyzers, various test head couplers or 'HATS' (head and torso simulators) that meet acoustic test requirements, and professional microphones and audio sources. Further tests can be performed as needed. For special requirements, please feel free to contact our acoustics specialist at KMO.

Our KMO queue reservation time is only 3 days at the fastest, and our KMO provides instant Online Order value-added service. You can save time and money by bundling voice testing with other testing and certification requirements (telecom access, mobile access, RF, EMC, security, environment, energy efficiency, performance, and so on). With KMO, you eliminate the hassle of using multiple LABS, logistics delays, and shipping costs.

KMO's acoustic measurement range includes the following test services:

Voice quality

PESQ，TOSQA and S- / N- / G-MOS testing

The speech was subjectively analyzed using 3-QUEST

ETSI EN 300175-8
ETSI EN 202737
ETSI EN 202738
ETSI EN 202739
ETSI EN 202740
TBR 10
TIA/EIA-810-B
TIA-920
AS/CA S004
etc...

Acoustic requirements

TS 26 131/-132 UMTS / WCDMA/ 4G LTE/ 5G NR
EG 202 518 Maximum SPL
UL 60950-1/UL 62368-1电信声学安全的测量
EN 50332-1/-2 Max. sound pressure level and limit considerations for head- and earphones
EN 50332-3 Measurement method for sound dose management
YD/T 1686-2011 IP电话终端设备语音质量及传输性能技术要求和测试方法
YD/T 1816-2008 电信设备噪声限值要求和测量方法
YD/T 1884-2013 信息终端设备声压输出限值要求和测量方法
YD/T 1889-2009 手柄电话助听器耦合技术要求和测量方法
etc...

For details and requirements, please contact KMO!

【Online Order】