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Owning Palette: Sound and Vibration VIs

Installed With: Sound and Vibration Measurement Suite. This topic might not match its corresponding palette in LabVIEW depending on your operating system, licensed product(s), and target.

Use the Single Tone Measurements VIs to perform single-tone measurements.

The VIs on this palette can return ranges of LabVIEW error codes or specific sound and vibration error codes.

Refer to the examples\Sound and Vibration directory for an example of using the Single Tone VIs.

Palette Object	Description
Noise Measurements	Performs common noise measurements when expecting a stationary, stochastic signal on the input channel. These common measurements include spectrum-based computations of the noise power, noise level, and maximum noise spur within the specified frequency range. Because the frequency range of interest can include low frequencies, you can use this step to measure and remove the DC component of the signal before performing additional computations.
SVL AC & DC Level	Computes the AC and DC levels of a signal.
SVT Crosstalk	Computes the crosstalk from a stimulus signal to a response signal at the fundamental frequency and returns detected fundamental frequency, detected response amplitude, and crosstalk. The data types you wire to the stimulus signal X [EUx] and response signal Y [EUy] inputs determine the polymorphic instance to use.
SVT Dynamic Range	Computes the dynamic range based on scaled signal and full scale amplitude and returns detected fundamental frequency, detected fundamental amplitude, and dynamic range. The data type you wire to the scaled signal [EU] input determines the polymorphic instance to use.
SVT Gain	Computes the gain based on scaled signal and amplitude at the fundamental frequency and returns detected fundamental frequency, detected fundamental amplitude, and gain. The data type you wire to the scaled signal [EU] input determines the polymorphic instance to use.
SVT Gain and Phase	Computes the gain and phase based on stimulus signal X and response signal Y at the fundamental frequency and returns detected fundamental frequency, detected response amplitude, gain, and phase lag. The data types you wire to the stimulus signal X [EUx] and response signal Y [EUy] inputs determine the polymorphic instance to use.
SVT Idle Channel Noise	Computes idle channel noise power, median noise level, and maximum spur based on scaled signal and frequency range. This VI also computes the signal-to-noise ratio (SNR) measured without a signal, provided you supply a full-scale level. The data type you wire to the scaled signal input determines the polymorphic instance to use.
SVT Spurious Free Dynamic Range	Computes the spurious-free dynamic range (SFDR) based on scaled signal and returns detected fundamental frequency, detected fundamental amplitude, spurious free dynamic range, and all detected peaks. The data type you wire to the scaled signal [EU] input determines the polymorphic instance to use.
Tone Measurements	Performs common audio quality measurements when a pure tone is the expected signal. All measurements except DC and AC level are restricted to the specified frequency range. You also can remove DC signals from all measurements regardless of the specified frequency range. Distortion measurements allow you to quantify the linearity of the audio channel based only on the input signal and include THD and harmonics, THD+N, and SINAD. Channel evaluation measurements allow you to quantify the linear range of the audio channel based on the full-scale level and include gain, dynamic range, spurious-free dynamic range, noise level, and signal-to-noise ratio.

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