REFERENCE CASES
Explore Our Reference Cases
Proven Success Across Industries
Discover how GRAS Sound & Vibration partners with leading brands to optimize acoustic performance across industries.
Our case studies highlight our expertise in delivering tailored, data-driven solutions that enhance sound quality and user experience. Browse our success stories to see how we help shape the future of sound.
Products Used:
Learn how using microphones from GRAS Sound & Vibration has allowed the Chinese car manufacturer AIWAYS for quick and efficient tire noise and interior noise testing.
Product Used:
GRAS 45BC KEMAR Head & Torso with Mouth Simulator
Discover how BOSE uses GRAS 45BC KEMAR Head and Torso simulator to achieve the perfect calibration of their products, and to stand out.
Products used:
GRAS 46BG 1/4" CCP Pressure Standard Microphone Set, High Pressure
GRAS 46AO 1/2" CCP Pressure Standard Microphone Set
GRAS 46BD 1/4" CCP Pressure Standard Microphone Set
GRAS 47AC 1/2" CCP Infra-Sound Microphone Set
Learn more on Dr. Kent Gee's studies on rocket noise to better understand its source and propagation.
Product Used:
GRAS 45BC KEMAR Head & Torso with Mouth Simulator
CEAR achieves Snapdragon Sound certification thanks to GRAS 45BC KEMAR
Products Used:
Discover two separate cases from HARMAN. The first explores how HARMAN achieved in-vehicle audio quality thanks to GRAS low noise floor microphone. The second one shows th repeatable success of HARMAN in sound quality measurement, made possible by the use of GRAS microphones.
Products Used:
- Multi-purpose acoustic test fixture (45CA)
- KEMAR 45BB-12 with low noise couplers
- New improved pinnae (KB5000)
- Low-noise Ear simulator system (43BB)
Learn how the Head-Fi founder Jude Mansilla and his team has used these GRAS products for headphone tests.
Product Used:
GRAS 45CC Headphone Test Fixture
GRAS achieves precise audio measurements for Invisio's headsets.
Products used:
- 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
Learn how Jabra achieves data consistency across multiple test locations thanks to GRAS, avoiding failures on production line.
Products Used:
- GRAS 45CA Headphone / Hearing-protector Test Fixture
- RA0401 Extrenally Polarized High-Frequency Ear Simulator
Explore this success story about how Meze Audio was able to get reliable measurements and improved sealing on supra-aural and circumaural headphones with GRAS instrumentation.
Product Used:
GRAS 46BD ¼″ CCP Pressure Standard Microphone Sets.
SIEMES used GRAS products to replicate the conditions of a space launch and monitoring the condition of the sound field during the test,
Products Used:
- KEMAR 45BC Head and Torso with Mouth Simulator
- RA0402 Prepolarized High-Frequency Ear Simulator
- 43BB Low-noise Ear Simulator System
Read more about the partnership between the Danish company SoundHub and GRAS Sound & Vibration, which represents an opportunity to join a world-class sound and acoustics growth hub
Product Used:
GRAS 45CB Acoustic Test Fixture
Discover how GRAS has helped TERMA developing helmet audio advances with a human-like Acoustic Test Fixture such as GRAS 45CB.
Product Used:
GRAS 147AX CCP Rugged Pressure Microphone
Find out how GRAS microphones were employed to validate CAE models for Volvo, taking notice of factors such as microphone geometry and edges (from microphone and cabling) in boundary layers.
