Blogs

IMU Test for Spatial Audio

Spatial audio performance can vary significantly across devices-even when similar audio algorithms are used. This article explains the role of the IMU in spatial audio, outlines key IMU testing challenges, and introduces CRYSOUND's production-ready IMU testing solution based on a three-axis, three-degree-of-freedom (3-DoF) rotary table. You'll learn the working principles, test flow, and application scenarios […]

Connect Multiple DAQs and Audio Interfaces in OpenTest

In industrial testing, research, and quality validation, data acquisition devices (DAQs / audio interfaces / measurement microphone front-ends) are the "front door" of the entire system. As technology and applications become more specialized, a wide variety of DAQ devices has emerged: Hardware is not the bottleneck anymore. The real challenge is: How do you connect, […]
sound power

ISO 3744 Sound Power Testing with OpenTest

Under regulations such as the EU Machinery Noise Directive, more and more products-from toys and power tools to IT equipment-are required to declare their sound power level on labels and in documentation, rather than simply claiming they are "quiet enough." For typical office devices like notebook computers, idle noise is often around 30 dB(A), while […]

CRYSOUND Motor Anomalous Sound Detection Solution

Electric motors are widely used in modern automobiles and home appliances (such as in-vehicle electric seats and appliance fans), and their smooth operation directly affects product quality and user experience. Motor anomalous sound issues are often summarized as BSR (Buzz, Squeak, and Rattle), which refers to abnormal sounds generated by automotive motors and related components. […]

OpenTest: Audio & NVH Testing in Three Steps

In audio and vibration testing, engineering teams often find themselves jumping between multiple software tools and data acquisition systems from different vendors. Interfaces vary, workflows are fragmented, and new engineers can spend a significant amount of time just learning the tools before they can focus on the engineering problem itself. OpenTest, developed by CRYSOUND, is […]

How to Address Partial Discharge in Generators

Partial discharge is a phenomenon that cannot be completely eliminated from high-voltage motors and generators. However, it is crucial to closely monitor and address partial discharge, as it can impact the performance of insulating materials. In the power industry, inspectors rely on observing the working status and performance of motors by studying the trend of […]
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