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NVH End-of-Line (EoL) Testing

HBK’s end of line NVH solutions ensure every product meets strict acoustic, vibration and functional requirements. Production ready systems combine robust hardware, advanced NVH software and specialised EoL expertise to deliver fast, reliable pass/fail results at full takt time.
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EOL Solutions
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Why NVH End-of-Line Testing Matters

Noise, Vibration and Harshness (NVH) end-of-line testing verifies the acoustic and dynamic behaviour of every unit directly in production. It helps manufacturers detect defects, ensure consistent product quality, and make fast, repeatable pass/fail decisions before shipment.

 

NVH EoL testing is a critical quality gate for modern powertrain and driveline manufacturing, particularly for electric and hybrid systems where acoustic behaviour is highly sensitive.

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High-precision acoustic, vibration, and structure-borne noise analysis for reliable defect detection in drivetrain assemblies.

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End-of-line test systems for transmissions, electric motors, engines, axles, and actuators across ICE and EV platforms.

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Repeatable, traceable measurements enabling early fault detection, reduced scrap, and optimised production processes.

HBK NVH End-of-Line Solutions

  • Production-proven NVH testing systems for high-volume manufacturing
  • Automated acoustic and vibration analysis in cycle time
  • Scalable architectures for conventional, hybrid, and electric drivetrains
  • Data-driven insight for continuous quality improvement
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NVH Principles and Applications in Industrial Acoustics

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Do you know how sound and vibration affect product performance and quality? Whether you're designing, testing, or troubleshooting — understanding NVH (Noise, Vibration, and Harshness) is key.

Watch now to deepen your understanding and stay ahead in a sound-sensitive world.

Watch the Webinar

Full Measurement Chain Coverage

HBK covers the entire NVH end-of-line measurement chain – from sensors to actionable decisions – in one integrated solution.

    • NVH Software (HBK/Discom technology) 

    Real-time analysis, order tracking, automated feature extraction, classification, and pass/fail evaluation

    • Accelerometers 

    High-precision vibration measurement for structure-borne noise and defect detection

    • Microphones

    Accurate airborne noise capture in production environments

    • Torque Sensors

    Correlation of NVH behaviour with mechanical load and functional performance

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    Power Smart End-of-Line (EoL)

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    Ensuring Quality at the End of Line

    Discover how Discom uses acoustic measurements to detect production defects, assess NVH quality, and help identify root causes at the end of the line.

    Download White Paper
    End of line testing

    Optimising End-of-Line Testing

    Learn how advanced sensor technology delivers consistent measurements in noisy production environments, enables real-time preload verification, and streamlines testing through integrated software.

    Download White Paper
    Whitepaper Discom T40

    Torque Sensors in NVH Testing

    Explore how precise torque measurement helps detect subtle acoustic and vibration deviations, particularly as electric drivetrains make tonal variations increasingly critical to product quality.

    Download White Paper

    Key Areas of Application

    Together, these components deliver synchronous, repeatable, and traceable NVH results – fully optimised for end-of-line operation and seamless integration into production systems.

      Transmissions & Gearboxes

      Detect defects in gears, bearings, and shifting mechanisms with acoustic end-of-line testing, including inside closed transmission modules.

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      Electric Motors & E-drive

      Detect and localize production and assembly defects in electric motors and power transmissions with high-precision acoustic testing.

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      Combustion Engines

      Verify component and complete engine quality by detecting manufacturing and assembly defects before shipment.

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      Axles & Driveline Components

      Perform 100% gear and gear-pair testing to reliably detect and localize manufacturing defects.

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      Actuators & Rotating Assemblies

      Detect production-related defects in actuators and rotating assemblies to ensure consistent acoustic quality.

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      What's The Future of NVH End-of-Line Testing?

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      Explore the latest trends shaping NVH end-of-line testing—from AI-driven diagnostics and advanced signal processing to psychoacoustics.

      Discover how smarter testing can help manufacturers detect anomalies earlier, reduce warranty costs, and improve product quality.

      Read the Full Article

      FAQs

      Yes, Discom provides the complete measurement chain for NVH end-of line testing, including sensors, DAQ hardware, and analysis software for integration into the test stand.

      Yes, the 256  pulses per revolution are sufficient.