【 Weak current College 】 what is Dolby stereo?---Power By 【 China power house network 】

In the past, we know the high-fidelity sound system, with around two speakers, this system can make people feel a left direction in stereo, but this is only a flat stereo, not resulting in the sound on the before and after the change. In order to produce a sense of depth, the variation of the stereo in the rear and the left and just surround sound box and the changes through the circuit, from the left and right channels to remove part of the signal, processed through emitting rear surround speakers.

Another category of higher levels of surround sound for Dolby Surround sound (also known as Dolby stereo). This kind of surround sound is determined by the United States launched by Dolby Laboratories, it needs to be configured, followed by the left and right in front of friendly total five speakers, have friendly and wrap around the four-channel information, of which only two speakers in the rear is a parallel Mono signal, and not left surround and right surround. Dolby Surround sound in the salutation and Dolby stereo significance, just stressed and other different sound. However what is Dolby directional logic? it is not a new Dolby stereo system, directional logic for decoding technology. Because Dolby stereo is a coding technique of digital stereo, and decoding technology takes a direction recognition circuit or directional logic circuit, therefore those who use Dolby company this circuit technology of sound is known as Dolby sound directional logic; a Dolby company proprietary specific decoder to decode technology is called Dolby directional logic decoder. Of course, only use with Dolby to logical features of AV amplifier, the play mode by Dolby sound recording software for you to hear the true high-fidelity digital sound effects.