A successful home theater installation depends on two types of installations: the image with the placement of the screen and the audio installation. To fully enjoy the soundtrack of a movie, the speakers should be placed properly around the listener. A little explanation for creating a movie room.
Dolby digital, dts... To enjoy the various audio formats offered, you must have a compatible amp. This has the effect of multiplying the number of speakers. Of two for the stereo, it is necessary to count today 5 to 7 different enclosures. But to have a sound "turn", they must be positioned according to certain angles.
5.1 audio system
An installation 5. 1 includes 5 speakers: 2 front, 1 center, 2 surrounds plus a subwoofer. The front speakers face the listener at an angle of between 22° and 30°. The surrounds provide the feeling of a turning sound. Contrary to popular belief, they should not be placed directly behind the listener, but on its sides, at an angle between 90° and 110°.
To avoid interfering with the speakers, the subwoofer must be placed on the side of the installation.
6.1 audio system
Unlike a 5.1 installation, this type of mounting includes an additional speaker (surround back) placed directly behind the listener.
7.1 audio system
This configuration is practically that of a cinema! Provided to dedicate a room of the house only for this use. The side speakers (surround left and right) are in this case, types "bipolar". They reproduce a "spatial" sound usually reserved for movie theaters.