

Products Used:
Discover how Acezone integrates GRAS test microphones into their research and development process to ensure cristal clear voice transmission, superior noise cancellation, and consistent performance across environments.
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Product Used:
GRAS 40PM EQset™ Miniature Production Line Microphone
Discover how Aisin has improved acoustic quality control accuracy, thanks to GRAS Sound & Vibration and the GRAS 40PM EQset test microphone.
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使用产品:
了解使用 GRAS Sound & Vibration 的传声器如何让中国汽车制造商 AIWAYS 快速高效地进行胎噪和车内噪音测试。

Products Used:
Find out on how GRAS microphones have helped Banedanmark in monitoring rail conditions in a precise way.
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使用产品:
GRAS 45BC KEMAR Head & Torso with Mouth Simulator
了解 BOSE 如何使用 GRAS 45BC KEMAR 头部和躯干模拟器实现产品的完美校准,并脱颖而出。

使用产品:
GRAS 45BC KEMAR Head & Torso with Mouth Simulator
CEAR 凭借 GRAS 45BC KEMAR 测试系统,成功获得 Snapdragon Sound(骁龙畅听)认证。

使用产品:
探索哈曼(HARMAN)的两个独立案例。第一个案例深入解析了哈曼如何通过 GRAS 低底噪传声器实现卓越的车内音频质量。第二个案例展示了哈曼在音质测量领域取得的可复现的成功,这得益于 GRAS 传声器的应用。

Products Used:
Learn how HearAdvisor uses KEMAR to push the hearing industry forward
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使用产品:
- Multi-purpose acoustic test fixture (45CA)
- KEMAR 45BB-12 with low noise couplers
- New improved pinnae (KB5000)
- Low-noise Ear simulator system (43BB)
了解 Head-Fi 创始人 Jude Mansilla 及其团队如何利用这些 GRAS 产品进行耳机测试。


使用产品:
- GRAS 43AC Ear Simulator Kit According to IEC 60318-4
- GRAS 43AA Ear Simulator Kit According to IEC 60318-1 &-2
- GRAS 44AA Mouth Simulator according to ITU-T Rec. P51 with built-in power amplifier
- GRAS 12AA 2-Channel Power Module with gain and filters
了解 Jabra 如何借助 GRAS 解决方案,在多个测试地点实现数据一致性,从而避免生产线上的故障。

使用产品:
- GRAS 45CA Headphone / Hearing-protector Test Fixture
- RA0401 Extrenally Polarized High-Frequency Ear Simulator
探索这一成功案例,了解 Meze Audio 如何通过 GRAS 测试设备,在贴耳式和耳罩式耳机上实现可靠的测量效果并提升密封性能。

使用产品:
GRAS 46BD ¼″ CCP Pressure Standard Microphone Sets.
西门子(SIEMENS)使用 GRAS 产品模拟太空发射环境,并在测试过程中监测声场状态。

Product used:
NASA’s STRIVES-5 acoustic dataset shines a spotlight on the critical role played by 58 GRAS 67AX ground embedded microphones in capturing high-fidelity eVTOL noise signatures—powering better modeling.
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使用产品:
- KEMAR 45BC Head and Torso with Mouth Simulator
- RA0402 Prepolarized High-Frequency Ear Simulator
- 43BB Low-noise Ear Simulator System
深入了解丹麦公司 SoundHub 与 GRAS Sound & Vibration 的合作关系,这是一次加入世界级声学技术发展中心的绝佳机会。


Product Used:
GRAS 40PM EQset™ Miniature Production Line Microphone
Discover how Valeo achieved consistency across plants, enhanced reliability and repeatability, and improved testing efficiency with GRAS.
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使用产品:
了解 GRAS 麦克风如何被用于验证沃尔沃(Volvo)的 CAE 模型,重点关注边界层中传声器的形状和边缘(来自传声器和线缆)等因素。