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R&D Acoustics Laboratory (Acoustic Anechoic Chambers )

Juovi  Acoustic Anechoic Chambers stand at the forefront of the industry, specializing in the creation of standard acoustic chambers tailored exclusively for TWS (True Wireless Stereo) earphones. Our state-of-the-art facilities, equipped with top-tier electroacoustic testing instruments, excel in meeting the diverse requirements of TWS earphones, including electrical acoustic parameters, noise reduction, intelligent voice recognition, and spatial sound reproduction.


 Construction Standards


Our acoustic chambers adhere to stringent industry standards, ensuring precision and reliability in testing:


  1. GB/T 6882-2016:

   - Measurement of Sound Power Levels of Acoustic Noise Sources in Anechoic or Semi-anechoic Rooms Using Precision Method.


  1. JJF1147-2006:

   - Calibration Specification for Acoustic Characteristics of Anechoic and Semi-anechoic Rooms.


  1. GB 50800-2012:

   - Technical Specification for Anechoic and Semi-anechoic Rooms.


 Key Technical Specifications


Juovi's Anechoic Chambers boast cutting-edge technical features to provide comprehensive testing capabilities:


- Cutoff Frequency: ≤100Hz

- Clear Space: 5.4m x 5.4m x 2.17m

- Free-Field Space: 21.5 meters

- Background Noise Level: <15dB(A)


 Expertise and Capabilities


Our expertise extends beyond industry standards, offering a testing environment that surpasses expectations. With a cutoff frequency of 100Hz, our chambers effectively eliminate external interference, ensuring precise and accurate testing conditions. The spacious 5.4m x 5.4m x 2.17m dimensions provide ample room for diverse testing scenarios.


 Application Scenarios


Juovi's Anechoic Chambers are designed to cater to a multitude of testing requirements:


  1. Electrical Acoustic Parameters: Accurate measurement of electrical acoustic parameters for TWS earphones, ensuring optimal performance.


  1. Noise Reduction: Thorough evaluation of noise reduction capabilities, guaranteeing an immersive audio experience for users.


  1. Intelligent Voice Recognition: Testing the effectiveness of intelligent voice recognition features in TWS earphones, ensuring seamless user interaction.


  1. Spatial Sound Reproduction: Assessing the spatial sound reproduction capabilities, enhancing the overall audio experience.


Juovi's commitment to excellence is reflected in the meticulous construction and adherence to international standards, making our Anechoic Chambers the ideal choice for precise and reliable TWS earphone testing. With a focus on innovation and quality assurance, Juovi sets the standard for acoustic testing environments in the audio industry.