To generate acoustic images from Acoustic Camera measurement data the powerful software suite NoiseImage uses sophisticated algorithms which are a result of gfai tech's long experience in the field of acoustic imaging. The basic for all of your acoustic imaging analysis is the Acoustic Photo 2D module. Building on that more features like spectral analysis, acoustic movie and correlation analysis can be added to flexibly expand the capabilities of the software suite according to your needs. In addition the Advanced Algorithms module allows for unparalleled dynamics, advanced source identification and extended source separation in your acoustic imaging analysis.
This plug-in enables the quick and precise creation of acoustic photos by integrating over a selected time interval to generate precise acoustic imaging information. Besides precise time-related analysis the Acoustic Photo 2D module is the basis for all further processing.
This plug-in allows you to directly generate acoustic images (or movies if combined with the Acoustic Movie module) from a spectrum or spectrogram of your data.
Narrow-band analysis, 1/3 and full octave analysis, spectrum, replay of sound sources and listening to points in the picture are features of this plugin.
A spectrum can be used to display the frequency spectra contained in a time function.
A spectrogram enables the user to display the frequency spectrum of a single channel or the average frequency spectrum of multiple channels over time. Here, sound pressure level (SPL) is displayed in colour codes.
NLS (non-linear spectral dissection after Dahl) is possible in the spectrum as well as in the spectrogram to optimize the visual representation of the frequency information.
This plug-in allows you to create an acoustic movie out of the data recorded with the Acoustic Camera. This way you can fully benefit from the high sampling rate and can analyze processes which change over time. That includes engine test under different conditions, pass-by measurements or any other type of set-up where your test object or your Acoustic Camera is moving. In post processing you can analyze your data in the recorded speed or adapt it fast forward or slow-motion.
The main use of the Acoustic Movie module is to analyze non-stationary noise sources or to visualize changes over time.
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The Advanced Algorithms Module holds a wide variety of additional algorithms to improve the quality of your results.
It will help you in increasing the dynamic to find hidden or masked sound sources, it offers algorithms for a higher spatial resolution and sound source separation and holds algorithms to identify the exact locations of sound sources where other methods fail.
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