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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

研发高分辨率测试

基于耳模拟器的系统测试频率高达50kHz，基于耳机的系统测试频率高达70kHz。

对于标准测试， 点击此处。 对于低噪声测试, 点击此处。 对于高频测试， 点击此处。

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       

Hi-Res Testing (50 kHz)

45BB-15 Hi-Res ear simulators and anthropometric pinnae, 2-Ch. LEMO

45BB-16 Hi-Res 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        

Hi-Res Testing (50 kHz)

45BC-15 Hi-Res ear simulators and anthropometric pinnae, 2-Ch. LEMO

45BC-16 Hi-res 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       

Hi-Res Testing (50 kHz)

45CA-11 Hi-Res ear simulators and anthropometric pinnae, 2-Ch. LEMO

45CA-12 Hi-Res 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

Hi-Res Testing with IEC 61094 1/4” WS3P Microphones

45CC-9 1/4” microphones, 2-Ch. LEMO

45CC-10 1/4” microphones, 2-Ch. CCP

Headphone       Headset blue

Hi-Res Testing with IEC 61094 1/4” WS3P Microphones and Mouth Simulator

45CC-11 1/4” microphones and mouth simulator, 2-Ch. LEMO

45CC-12 1/4” 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        

Hi-Res Testing (50 kHz)

43AG-8 Hi-Res ear simulator and anthropometric pinnae, LEMO

43AG-9 Hi-Res ear simulator and anthropometric pinnae, CCP
43AC Ear Simulator Kit
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

Hi-Res Testing (50hKz)

43AC-S6 Hi-Res ear simulator, LEMO

43AC-S7 Hi-Res ear simulator, CCP