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GRAS Sound & Vibration

Europe & Asia
service@grasacoustics.com 
+45 4566 4046
Americas
Krobinson@dimensionalgauge.com
+1 864 473 1188

研发

研发高频

耳模拟器和基于耳机的系统测试频率高达20kHz

对于标准测试， 点击此处。 对于低噪声测试， 点击此处。 高分辨率测试， 单击此处。

声学测试装置          耳模拟器套件

 

声学测试装置

45BB KEMAR
2-channel Head and Torso Simulator

Multi-configurable

Realistic simulation of head-and torso-related diffraction

3-D simulation model of HRTF

Easily reconfigurable for other applications

Ideal for R&D

Headphone           

High-Frequency Testing (20 kHz)

45BB-13 High-Frequency ear simulators and anthropometric pinnae, 2-Ch LEMO

45BB-14 High-Frequency ear simulators and anthropometric pinnae, 2-Ch CCP
45BC KEMAR with Mouth Simulator
2-channel Head and Torso Simulator with Mouth Simulator

Multi-configurable

Realistic simulation of head- and torso-related

diffraction

3-D simulation model of HRTF

Easily reconfigurable for other applications

Mouth simulator for testing of headsets

Ideal for R&D

Headphone              Headset       

High-Frequency Testing (20 kHz)

45BC-13 High-Frequency ear simulators and anthropometric pinnae, 2-Ch LEMO

45BC-14 High-Frequency ear simulators and anthropometric pinnae, 2-Ch CCP
45CA Headphone/Hearing Protector Test Fixture
2-channel Test Fixture

Very high Self-Insertion Loss (<65 dB)

Modifiable with various ear simulators and pinnae

Easy to use

Precise and repeatable mounting of all types of headphones

Equally suited for R&D, QA, and PL testing

Headphone           

High-Frequency Testing (20 kHz)

45CA-9 High-Frequency ear simulators and anthropometric pinnae, 2-Ch LEMO

45CA-10 High-Frequency ear simulators and anthropometric pinnae, 2-Ch CCP
45CC Headphone Test Fixture
Modular 2-channel Test Fixture

Easy to use

Precise and repeatable mounting

Developed for production line testing, but is also used for R&D and QA

Versions with mouth simulator available

Headphone        

High-Frequency Testing with IEC 61094 1/2” WS2P Microphones

45CC-1 1/2” microphones, 2-Ch. LEMO

45CC-2 1/2” microphones, 2-Ch. CCP


Headphone        Headset blue

High-Frequency Test with IEC 61094 1/2” WS2P Microphones and Mouth Simulator

45CC-5 1/2” microphones and mouth simulator, 2-Ch. LEMO

45CC-6 1/2” microphones and mouth simulator, 2-Ch. CCP

耳模拟器套件

43AG Ear and Cheek Simulator
1-channel Table-top Test Fixture

Easy-to-use 1-channel desktop test fixture

Ear simulator integrated into test jig with mounting base and adjustable force clamp

Can measure circumaural, supra-aural and in-ear headphones

Ideal from R&D testing to the final test and approval of the finished product

Headphone        

High-Frequency Testing (20 kHz)

43AG-6 High-Frequency ear simulator and anthropometric pinnae, LEMO

43AG-7 High-Frequency ear simulator and anthropometric pinnae, CCP
43AC
1-channel Table-top Test Fixture

Easy-to-use 1-channel desktop test fixture

Ear simulator integrated into test jig with mounting base and adjustable force clamp

   

High-Frequency (20 kHz)

43AC-S4 High-Frequency ear simulator, LEMO

43AC-S5 High-Frequency ear simulator, CCP