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OpenTest
OpenTest is a next-generation platform designed for engineers, researchers, and manufacturers seeking precision, flexibility, and innovation in acoustic and vibration testing. Built on three core principles—Openness, AI-Driven Intelligence, and Boundless Compatibility—we empower industries like consumer electronics, automotive NVH, industrial diagnostics, and academic research to redefine quality control, accelerate R&D, and streamline production.
Technical Specifications
Mode
Measure Mode, Analysis Mode, Sequence Mode
Monitor
Scope, FFT Spectrum, Spectrogram,RMS Level, DC Level, Peak Level, THD Ratio, THD+N Ratio, Crosstalk, etc.
Measure
FFT Analysis, Octave Analysis, Continuous Sweep, Stepped Frequency Sweep, Sound Power Testing, Sound Level Meter, Sound Quality, etc.
Report
General report, Sound power test report in compliance with international standards
CPU
Inter i3-13100 or better
RAM
16GB or better
Resolution
1920*1080 or better
Supported operation system
Windows 11(64bit)
Device driver
vcredist_x86_2010
Main Features
Product Highlights
Open Hardware
openDAQ
ASIO
WASAPI
Core Audio
Open Plugin
Engineer beyond limits — OpenTest's modular plugin architecture empowers you to extend system capabilities by building custom data acquisition logic, AI-powered analysis (e.g., noise anomaly detection), and domain-specific dashboards. Seamless SDK integration with LabVIEW, Matlab, and Python ecosystems accelerates development while maintaining enterprise-grade security.
Theme Plugin
Algorithm Plugin
Application Plugin
Open Source
Full-stack Open Source
Join a global developer community. Modify, optimize, and share code for acoustic/vibration testing algorithms.
Free Core Features
Access essential tools like frequency response, phase analysis, and distortion testing—completely free for students, startups, and researchers.
Monitor
Continuous waveform monitoring and FFT spectrum analysis enable real-time identification of signal anomalies, such as clipping, clock jitter, and other issues. It simultaneously tracks key metrics, including RMS level, THD, SND, and frequency response, with configurable high-pass/low-pass filters and A/C/Z frequency weighting.
Dynamic Tracking
Instant Anomaly Detection
Octave Analysis
The octave analysis function provides two core tools: FFT-based fast analysis and filter-based standard analysis. Within a set recording period, the system can simultaneously perform multi-channel analysis with different octave widths on the acquired waveform, flexibly adapting to diverse testing scenarios. Users can customize the frequency range according to their needs, apply A/C/Z frequency weightings, and conduct synchronous analysis of multiple octave types including 1/1oct., 1/3oct., 1/6oct., 1/12oct., and 1/24oct. The analysis results can be intuitively presented in three forms: bar charts, line charts, and tables, facilitating data interpretation and storage.
Real-time Analysis
Sweep Analysis
The sweep analysis function offers two core modes: continuous sweep and stepped sweep, enabling dynamic sweep testing of signals within a set frequency range. The system can automatically generate sweep signals based on preset parameters (such as sweep rate or step interval), synchronously collect response data from the measured object, and calculate and display key indicators in real time—including amplitude-frequency characteristics and phase-frequency characteristics. It also supports multi-channel parallel testing, effectively adapting to multi-dimensional testing scenarios.
Full-range Rapid Measurement
Sound Power Testing
Flexible Modular Design
Precise Quantification of Acoustic Performance
