Dolby Demo Trailers HD and SD

Currently, there are many Dolby HD Demo Trailers available in this download section. When we are going to acquire a home cinema device, we have a large amount of available options from where we can chose. If we aren’t much lettered in the matter choosing the best option for us can be a very difficult task due the number of options available.

What do you know about this system?

The sound format known as Dolby Surround appeared at the beginning of the eighties. Pro-Logic sound system has been created by the Dolby Labs society. Until then, the sound used was stereo which only uses two channels. To play stereo sound, a channel goes to the left ear and the other to the right. By that time, it was a revolution and remained unaltered until the Dolby Surround format was released. Dolby Surround sound format incorporates a third channel. This additional channel creates the surrounding effect that gives a bigger sensation of auditory reality to the user.

Technical information about Dolby systems

Now let’s give you some technical information of the different options available, without going to deepen much in the matter. However, you will able to tell the differences between some Dolby demo trailers HD and others. What we advise you is to use Dolby Digital trailers and Dolby demo trailers HD section. In them, you can download different trailers of Dolby systems before you make a choice of which one suits better your home cinema system. You will able to perform this task from the web itself in a very comfortable way. 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.

Analog Dolby systems

One of the most renowned and distributed systems in the Dolby Demo Trailers HD section is the Dolby Surround Pro-Logic. This is the natural evolution of the Dolby Surround system. 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.

It has the following arrangement:

 -A central speaker that transmits the actors’ voices placed in front of the spectator’s seat.
 -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.

Answering the users’ needs and with the intention of pleasing the most demanding, the sound system for earphones with Dolby Surround quality. This way, you can enjoy of this sound quality anywhere, and from this the Dolby Headphone was born known by its acronym DH. With 7.1 surround sound sample Dolby Demo Trailers HD, we can enjoy of the highest quality surround system through headset or earphones. It doesn’t matter if this earphones are big, the effect achieved with button type earphones is really good too. 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.

Dolby Digital

A bit later, the Dolby digital Plus appeared in the year 2004 and is also known by its acronym DD+ or AC3. It surges in the market by the need of creating a high quality sound environment compatible with the new TDT. DD+ started to stand out by that time, and it has a high sound compression rate, offering a very good audio quality. One of the biggest disadvantages of this format, is that this same compression is incompatible with older audio systems.

Dolby Atmos

In 2014, the latest release in the Dolby technology makes appearance, we are facing the newest creation in sound experience. Dolby Atmos is the new name for the Dolby system. This technology brings a radical turnout in the Dolby Demo Trailers HD and introduces a new concept never conceived before. The traditional channels that were an standard in all the Dolby systems are left in the past the audio objects are introduced.

What do we call an audio object?

Well, basically anything we can hear in a movie scene, for example, a voice, a gunshot, an explosion, etc. The Dolby Atmos audio system, distributes this audio objects during the scene through the different zones in the environment. It creates a completely real effect and increase the reality sensation of the user inside the auditory. This way, as it is logical, the system will work better while it has more speakers installed, but with only eight speakers the quality will be high enough and along with the audio objects distribution that I mentioned before it achieves really impressive reality effects.

All this Dolby demo trailers HD are available from the Dolby Atmos Download section. So you can freely test each one of them so you can chose the one that suits you better. We recommend you to give them a try so you can perceive the differences in the sound systems make the right choice that fits your needs.