All versions of EASERA and its modules run on almost every modern Microsoft Windows computer. The following parameters can be seen as an appropriate basis:

White paper about a loudspeaker measurement system with 19 input channels based on EASERA, written by Charlie Hughes, Excelsior Audio, USA, and Ron Sauro, NWAA Labs, USA. NWAA Labs White Paper, English (1.3MB)

EASERA-Online-License-Problems.pdf

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This document helps licensing EASERA if your computer does not have direct internet access or your security settings do not allow the direct download of the license key file.

Update EASERA to Version 1.2

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This step by step description will help you to upgrade to EASERA 1.2 from an earlier version of EASERA flawlessly.

In case of problems please check our help document:

In EASERA almost any evaluation and measure can be derived directly or indirectly from loaded or measured impulse response data. The same is true for most of the intelligibility measures.

EASERA allows for calculating STI, STI (Male), STI (Female) as well as AlCons and the equivalent STIPa. Note that these values are all calculated from the modulation transfer function (MTF), which in turn originates in the impulse response.

Yes, it can.

EASERA implements a new method of measuring nonlinearities in the response of a system. By utilizing a pink sweep as an excitation signal, all of the distortion components are located at the end of the impulse response and can be separated by windowing.

After some post-processing the individual harmonic frequency responses can be viewed and even THD in a high frequency resolution can be computed. Of course also the K2, K3 K.. spectra are available.

There are basically three native file formats available in EASERA: EMD, ETM and EFR.

EMD is a time domain format that also saves the raw measurement data. Generally this is recommendable to use during measurement sessions as it allows for later inspection of the actually recorded raw input data.

The ETM contains the IR data only, but it is otherwise identical with the EMD. It is useful if you are not interested in keeping the raw data or if you just want to save some overlay files.