EASERA - Software Versions and Modules

AFMG offers two different versions of EASERA and different modules for users to choose. Please have a look at the comparison below to determine which version and possibly which module is the right choice for your needs.

Feature / Version EASERA EASERA PRO MLS Module* POLARS Module** TEF/TDS Module
Number of channels
2 32


Sample rate
8 kHz - 48 kHz 8 kHz - 192 kHz


Early Decay Time (EDT)



Reverberation Time (T10, T20, T30)
Custom decay times can also be set.



Signal to Noise Ratio (SNR)



Center Time (ts)



Clarities (C30, C50, C80)
Custom integration times can also be set.



Definition (D)



User defined energy ratios



Energy sum
forward integration



Support (ST1 and ST2)



Modulation Transfer Index (MTI) and Modulation Transfer Function (MTF)



Speech Transmission Index (STI)
male, female



STIPa, RaSTI



Percentual Consonant Articulation Loss (% AlCons)



Strength (G), Relative Strength (Grel)



Live sound pressure level (SPL) and voltage measurements
Including: A-, B-, C- and Z-weightings for SPL; and visualization of peak and RMS values for both



Feature / Version EASERA EASERA PRO MLS Module* POLARS Module** TEF/TDS Module
Statistical evaluation of data
Signal mean (DC), noise mean (DC), signal effective value (RMS), crest factor, absolute maximum amplitude...



Integrated generator with typical stimuli
Sweep, Log-Sweep, Weighted Sweep, Pink Noise, White Noise, Sine, Weighted Noise



Application of filters
Low pass, high pass, band pass filters with Butterworth, Chebychev I and Chebychev II characteristics



Application of windowing
Hanning, Hamming, Blackman, Rectangle, Triangle, Kaiser window types



Waterfall diagram



Basic editing functions
Averaging Measurement Files, Adding Measurement Files, Cyclic Move, Undo/Redo, Copy/Paste



Comprehensive calibration functions
For audio interface inputs and outputs



Calibration features for eletronic measurements



Phase spectrum
Includes group delay, real and imaginary parts



Live measurements
Spectrum, spectrogram, dual- and multi-channel FFT



Noise Criteria curves (NC, PNC, NR)
layers



Visualization in multiple (electric) units
V, dBV, dBu, dBm, dBW, dBSPL, etc.



Feature / Version EASERA EASERA PRO MLS Module* POLARS Module** TEF/TDS Module
Scale model measurements
Using adequate high-frequency measurement setup, EASERA allows to remove air absorption and change sample rates according to ISO 9613




Custom measurement signals
Convert almost any signal to an EASERA stimulus, e.g. WAV files




Automated post processing with editing sequences
Apply a number of editing operations automatically




Advanced editing functions including math operations
Remove DC, Set To Value, Add Value, Subtract Value, Multiply By Value, Divide By Value, Scale To, Square, Square Root, Inverse, Power, Custom Smoothing, Expand/Shrink, Change Length, Divide, Subtract...




Tolerance mode to detect sound events and save them to a file automatically




Harmonic spectra (K2, K3, ...)




Total Harmonic Distortion (THD)




MLS excitation signals and MLS measurements



Hadamard transformation



Cross-correlation



Directivity measurements
Using adequate measurement setup




Automated measurements for sequencial or balloon measurements




Control measuring robots and turntables
Currently compatible with Four Audio ELF robot, LinearX LT360, Outline ET2 and Outline ET250-3D turntables




TDS measurements - Time Domain Spectrometry




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* The MLS module is included wih EASERA Pro.         ** The POLARS module can be combined with EASERA Pro.