The system plays the sound reproducing the sensation of being listening to five different channels, creating this way the sensation of being listening to the audio of a theater or a home cinema right in the earphone, wired or wireless.Ī bit later, the Dolby digital Plus appeared in the year 2004 and is also known by its acronym DD+ or AC3. It doesn’t matter if this earphones are big, the effect achieved with button type earphones is really good too. With 7.1 surround sound sample Dolby Demo Trailers HD, we can enjoy of the highest quality surround system through headset or earphones. This way, you can enjoy of this sound quality anywhere, and from this the Dolby Headphone was born known by its acronym DH. Along to the central speaker, there are the side speakers in the front and other two in the back that give that surrounding impression to the user.Īnswering the users’ needs and with the intention of pleasing the most demanding, the sound system for earphones with Dolby Surround quality.

A central speaker that transmits the actors’ voices placed in front of the spectator’s seat. Apart from the 3 channels of the original standard, adds a fourth channel to transmit the voices of the actors, achieving this way an even more real sensation in the auditory experience, it supposes an innovation in the sound system. This is the natural evolution of the Dolby Surround system. One of the most renowned and distributed systems in the Dolby Demo Trailers HD section is the Dolby Surround Pro-Logic. With Dolby Demo Trailers HD, you will be able to notice the differences between some systems from others for you to pick the best option that suits your needs. You will able to perform this task from the web itself in a very comfortable way. In them, you can download different trailers of Dolby systems before you make a choice of which one suits better your home cinema system. What we advise you is to use Dolby Digital trailers and Dolby demo trailers HD section. However, you will able to tell the differences between some Dolby demo trailers HD and others. Now let’s give you some technical information of the different options available, without going to deepen much in the matter. Technical information about Dolby systems This additional channel creates the surrounding effect that gives a bigger sensation of auditory reality to the user. Dolby Surround sound format incorporates a third channel. By that time, it was a revolution and remained unaltered until the Dolby Surround format was released. To play stereo sound, a channel goes to the left ear and the other to the right. Until then, the sound used was stereo which only uses two channels. Pro-Logic sound system has been created by the Dolby Labs society. The sound format known as Dolby Surround appeared at the beginning of the eighties.

Dolby vision demo disc