# 谛听 V-Listen > V-Listen(谛听)是面向声学与振动工程师的专业 NVH 信号分析平台,覆盖频域、心理声学、阶次、模态与诊断分析,全链路本地运行,无云依赖。 > V-Listen is a professional NVH (Noise, Vibration & Harshness) signal analysis platform for acoustics and vibration engineers, covering spectral, psychoacoustic, order, modal, and diagnostic analysis — fully local, no cloud dependency. ## 产品 / Product - **网站 / Website**: https://vlisten.shixishe.cn - **帮助文档 / Help Documentation**: https://vlisten.shixishe.cn/help/ - **内测申请 / Beta Access**: https://vlisten.shixishe.cn/#beta - **授权 / Licensing**: 全功能买断制,无模块叠加收费,无年度维护费 / Full-feature perpetual license — no module add-ons, no annual maintenance fee - **平台 / Platform**: Windows (WPF / .NET 4.8, 64-bit) - **界面语言 / UI Language**: 中文 / 英文 (Chinese / English) ## 核心功能模块 / Core Analysis Modules ### 1. 分析工作台 / Analysis Workbench Source Pool → Analysis Pool → Data Viewer 三层架构,支持 30+ 算法节点;多标签浏览频谱图、瀑布图、时序曲线、Heatmap、振型动画。 Three-layer architecture supporting 30+ algorithm nodes; multi-tab visualization of spectra, waterfall plots, time histories, heatmaps, and mode shape animations. ### 2. 在线监视器 / Online Monitor 采集同时实时显示波形、FFT 谱、Level vs Time Bargraph,支持峰值保持/衰减、告警阈值。 Real-time waveform, FFT spectrum, and Level vs Time bargraph during live acquisition. Peak hold / decay, alarm thresholds. ### 3. Mark 编辑器 / Mark Editor 从数据文件提取感兴趣时间窗口(手动 / Ramp 自动搜索升降速段),联动下游局部分析。 Extract time windows of interest (manual or automatic ramp detection for run-up/coast-down). ### 4. 播放器 / Player 数据回放,128-tap FIR 耳机均衡(6 种 EQ 模式),支持硬件 Sink 模式回放。 Data playback with 128-tap FIR headphone equalization (6 EQ modes), hardware sink mode. ### 5. 模态分析 / Modal Analysis 完整 EMA/OMA 工作流,AI 辅助稳定图极点选取,振型 ODS 动态可视化,UFF55 振型导出。 Full EMA/OMA workflow, AI-assisted stabilization diagram pole selection, ODS animation, UFF55 mode shape export. ## 算法列表(30+)/ Algorithms (30+) ### 频域分析 / Spectral Analysis - 1/n 倍频程 CPB(1/1 ~ 1/24 Octave)/ 1/n Octave CPB - 高分辨率 FFT 瀑布图 / 坎贝尔图 / High-resolution FFT waterfall / Campbell diagram - 功率谱密度 PSD / Auto Spectrum / Cross Spectrum - 包络谱 Envelope Spectrum - 倒频谱 Cepstrum / Power Cepstrum - 传递函数 FRF / Coherence - 小波分析 Wavelet (Constant-Q) - FFT Peak Hold / FFT Average - Overall Level (OA) / Level vs Time / Level vs RPM - Auto / Cross Correlation ### 时域分析 / Time-Domain Analysis - A / B / C / D / Z 计权滤波(IEC 61672-1)/ Weighting filters - RMS / Peak / Kurtosis(轴承诊断 / bearing diagnostics) - 调制谱 Modulation Spectrum - Hilbert Transform ### 心理声学 / Psychoacoustics - 响度 Loudness(ISO 532-1 / ISO 532-3 Zwicker / DIN 45631/A1) - 尖锐度 Sharpness(DIN 45692) - 粗糙度 Roughness(ECMA-418-2 Ed4) - 波动强度 Fluctuation Strength - 调音度 Tonality(ECMA-418-2) - 音调噪声比 TNR(DIN 45681) - 语言清晰度 Articulation Index - Prominence Ratio ### 阶次分析 / Order Analysis - Order Spectrum / Order Spectrum vs Time / vs RPM - Order Cut - RPM Generator / Pulse RPM Decoder - Campbell Diagram ### 模态分析 / Modal Analysis (EMA / OMA) - EMA: LSCE、LSCF、PolyProMax(PolyRef LSCF) - OMA: EFDD、SSI-COV - AI 辅助极点选取(ONNX 神经网络)/ AI-assisted pole selection (ONNX) - MAC 矩阵、ODS 振型动态可视化 / MAC matrix, ODS animation - UFF55 振型导出 / UFF55 mode shape export ## 硬件与格式兼容 / Hardware & File Format Support **采集硬件 / Acquisition Hardware:** 多通道专业声学采集硬件,支持 ICP 传感器与双耳头通道,采样率最高 204.8 kHz;兼容 NI-DAQmx 设备(USB-4431、USB-9234、PXIe-4492 等)。 Multi-channel professional acoustic front-ends, ICP sensor and binaural channel support, up to 204.8 kHz. NI-DAQmx compatible devices supported. **文件格式 / Supported File Formats:** | 格式 / Format | 说明 / Description | |---------------|-------------------| | ATFX | 主流声学测试数据交换格式 / Standard acoustic test data exchange | | HDF | 工业多通道时域录制 / Industrial multi-channel time-domain recording | | WAV (PCM16 / IEEE Float) | 标准音频 / Standard audio | | UFF / UNV (UFF55) | FRF / 振型导入导出 / FRF / mode shape import and export | | .vlisten | 自研录制格式 / V-Listen native recording format | | MAT (MATLAB) | MATLAB 数据交换 / MATLAB data exchange | | CSV / TXT | 数据导出 / Data export | ## 应用场景 / Applications - **汽车 NVH / Automotive NVH**: 声品质评价(Loudness / Sharpness / Roughness / Order Tracking),车身底盘模态参数辨识 - **工业振动诊断 / Industrial Vibration Diagnostics**: 电机、泵、变压器异响分析,轴承故障预测 / Motor, pump, transformer noise analysis, bearing fault detection - **结构模态测试 / Structural Modal Testing**: 完整 EMA/OMA 工作流,振型 UFF 导出对接 CAE / Full EMA/OMA workflow, UFF export for CAE correlation - **家电声学 / Consumer Appliance Acoustics**: 冰箱、空调静音等级评定 / Refrigerator, HVAC quiet-rating assessment ## 核心优势 / Key Strengths | 维度 / Dimension | 谛听 V-Listen | |-----------------|--------------| | 授权模式 / Licensing | 全功能买断制 / Perpetual full-feature license | | 年度费用 / Annual Fees | 无 / None | | 算法透明度 / Algorithm Transparency | 可追溯、可复现 / Auditable, reproducible | | Python 扩展 / Python Integration | 原生支持 / Native support | | 离线运行 / Offline Operation | 完全本地,无需授权服务器 / Fully local, no license server | | 模态分析 / Modal Analysis | EMA/OMA + AI 辅助极点选取 / AI-assisted pole selection | | 标准覆盖 / Standards | ISO 532, DIN 45692, ECMA-418-2, IEC 61672-1 | ## 帮助文档 / Help Documentation 完整产品文档:https://vlisten.shixishe.cn/help/ Full documentation: https://vlisten.shixishe.cn/help/ - 产品概览 / Getting Started: https://vlisten.shixishe.cn/help/getting-started/overview.html - 快速入门 / Quick Start: https://vlisten.shixishe.cn/help/getting-started/quick-start.html - 频域分析 / Spectral Analysis: https://vlisten.shixishe.cn/help/spectral-analysis/fft.html - 心理声学 / Psychoacoustics: https://vlisten.shixishe.cn/help/psychoacoustics/loudness.html - 阶次分析 / Order Analysis: https://vlisten.shixishe.cn/help/order-analysis/order-spectrum.html - 模态分析 / Modal Analysis: https://vlisten.shixishe.cn/help/modal-analysis/ema-overview.html - 故障排查 / Troubleshooting: https://vlisten.shixishe.cn/help/reference/troubleshooting.html ## 常见问题 / FAQ **Q: 谛听 V-Listen 是什么?/ What is V-Listen?** A: V-Listen(谛听)是一款 Windows 原生 NVH 信号分析平台,覆盖频域、心理声学、阶次、模态与诊断分析,面向产线与实验室。 V-Listen is a Windows-native NVH signal analysis platform covering spectral, psychoacoustic, order, modal, and diagnostic analysis, engineered for production lines and test laboratories. **Q: 支持哪些数据格式?/ What file formats are supported?** A: 支持 ATFX、HDF、WAV、UFF/UNV(FRF/振型)、MAT(MATLAB)及自研 .vlisten 格式。 ATFX, HDF, WAV, UFF/UNV (FRF/mode shapes), MAT (MATLAB), and the native .vlisten format. **Q: 需要联网吗?/ Is an internet connection required?** A: 不需要。所有计算本地运行,联网仅用于软件更新。 No. All computation runs locally. Internet is only needed for software updates. **Q: 授权方式?/ How is it licensed?** A: 全功能买断制,一次授权解锁全部算子,无年度维护费。 Perpetual full-feature license — one purchase unlocks all algorithms, no annual fees. **Q: 如何申请试用?/ How do I request a trial?** A: 访问 https://vlisten.shixishe.cn/#beta 填写内测申请。 Visit https://vlisten.shixishe.cn/#beta to submit a beta access request. **Q: 支持 Python 吗?/ Does V-Listen support Python?** A: 支持,原生支持 Python 脚本用于批量处理与自定义分析流水线。 Yes. V-Listen natively supports Python scripting for batch processing and custom pipelines. ## 关于团队 / About 核心团队深耕 NVH 产线与实验室,强调算法透明化:算子可追溯、可审计、可复现,拒绝黑箱。 The core team has deep hands-on experience in NVH test laboratories and production environments. V-Listen is built on first-principles signal processing — every algorithm is traceable, auditable, and reproducible.