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OpenTest

OpenTest is a next-generation platform designed for engineers, researchers, and manufacturers seeking precision, flexibility, and innovation in audio and NVH measurement. 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.

Product Highlights
Open Hardware

Open Hardware

OpenTest supports data acquisition devices to connect via mainstream audio protocols such as openDAQ, ASIO, WASAPI, and Core Audio. It also supports connections through private protocols like NI-DAQmx.

openDAQ

ASIO

WASAPI

Core Audio

Open Hardware
Open Plugin

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 Plugin
Open Source

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.
Open Source
Plans & Licensing

Plans & Licensing

OpenTest provides a clear growth path from free trial to professional use and enterprise deployment. Teams can get started quickly with the core platform, then expand as their needs evolve across channels, advanced functions, commercial licensing, branding, and organizational management. The result is a simpler buying journey, faster validation, and a smoother path to scale.

Start with a low barrier to entry

Upgrade in step with your growth

Built for enterprise requirements

Plans & Licensing
Monitor

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

Monitor
Octave Analysis

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

Octave Analysis
Sweep 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

Sweep Analysis
Sound Power Testing

Sound Power Testing

This solution supports sound pressure-based sound power measurement, fully compliant with international standards ISO 3744 (Engineering Method), ISO 3745 (Precision Method), and ISO 3746 (Survey Method), meeting various accuracy requirements in different scenarios. It is suitable for R&D and quality control in consumer electronics, automotive audio systems, and professional audio equipment.

 

Flexible Modular Design

Precise Quantification of Acoustic Performance

Sound Power Testing
Sound Quality

Sound Quality

The sound quality analysis function provides objective evaluation tools for perceived acoustic performance, helping users extend assessment beyond sound pressure level to metrics that are closer to engineering judgment and listening experience. Within a set acquisition period, the system supports synchronized multi-channel analysis of key psychoacoustic indicators including loudness, sharpness, roughness, fluctuation strength, TNR, PR, SIL, and SII. Users can flexibly configure parameters such as sound field type, resolution, window function, and SIL/SII settings to adapt to different testing scenarios. During the measurement process, analysis results are updated dynamically in real time. After the test is completed, functions including playback, overlay comparison, waveform and data export, and report generation are supported.

Sound Quality
Sound Level Meter

Sound Level Meter

The sound level meter function provides comprehensive sound pressure level evaluation tools for real-time and long-duration acoustic measurements. Within a set acquisition period, the system supports synchronized multi-channel analysis of key indicators including Lp, Lmax, Lmin, Leq, Lpeak, Ln, and LE, while also enabling simultaneous FFT and octave analysis for deeper interpretation of acoustic events. Users can flexibly configure core parameters such as acquisition time, integration time, and data refresh rate according to test requirements. During the measurement process, analysis results are updated dynamically in real time. After the test is completed, functions including playback, overlay comparison, waveform and data export, and report generation are supported.

Sound Level Meter
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

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