Sound and Vibration Software Overview and Feature Comparison


National Instruments Sound and Vibration Software provides a complete software solution for many acoustics, electroacoustics, noise Vibration Harshness (NVH), and machine condition monitoring (MCM) applications. Based on its open analysis capability and a flexible measurement library, the NI Sound and Vibration Toolkit presents a unique software-based measurement approach to creating customized applications.

Sound and Vibration Feature Comparison




File I/O
UFF58 (ASCII, Binary) X X
Logging to TDMS X X
Frequency Analysis
FFT analysis X X
Zoom FFT X X
Subset FFT X X
Frequency response function (FRF) X X
Cross spectra X X
Coherent output power X X
Peak search X X
Power in band X X
Performance-optimized analysis for online processing X X
Frequency-referenced vector averaging X X
Graphs, Displays, and Controls
Time waveform, octave spectra, FFT spectra graphs X X
Waterfall plot X X
Spectral map X
Bode plots X X
Orbit and shaft centerline plot X
Polar plot X
Acoustic Measurements
Sound level X X
1/n octave X X
Weighting filters X X
Statistical level X X
Sound quality X
Vibration Measurements
Integration X X
Vibration level X X
Human vibration filters X
Torsional vibration
Audio Measurements, Tone and Distortion
Harmonics X X
Distortion (THD, THD+N, SINAD) X X
Intermodulation distortion (IMD) X X
Tone detection X X
Multitone analysis X X
Audio test signal generation X X
Discrete frequency sweep analysis X X
Continuous frequency sweep analysis X
Spurious-free dynamic range (SFDR) X X
Crosstalk X X
Discrete frequency sweep analysis X X
Swept sine X X
Histogram X X
Limit testing X X
Data Acquisition
Software analog reference trigger X X
Delay and polarity X X
Waveform alignment X X
Get by measurement type X X
Waveform Generation
Broadband noise (White, Pink, PRN) X X
Functions (Sine, Square, Triangle) X X
Continuous frequency sweep X X
Discrete frequency sweep X X
Discrete amplitude sweep X X
Phase-continuous multitone X X
Transient Analysis
Shock response spectrum (SRS) X X
Short-time Fourier transform (STFT) X X
Accelerometer and microphone calibration X X
Order Analysis
Angular resampling X
Envelope detection X
Tachometer processing X
Order power spectrum X
Full spectrum X
Order tracking X
Order extraction X


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