Put yourself in good conditions! First this Focal CD-ROM, entertainment and music experience software, easy of use, enables to discover the technical vocabulary used in the audio field but mainly, and here lies the original aspect, to locate the individual incidence of each criterion of the sound rendering. In order to benefit from the best listening conditions, we recommend that you follow this procedure: – Connect the audio output of your computer to the input of your hi-fi system or stereo headphones. – Once the connection is made, open up the software and a first ability test is suggested in order to know if you will be able or not to use this software. Once the test solved, Focal suggests several musical excerpts, illustrated by simple and explicit images.