We are a globally recognized innovator of sound, image, and voice technologies for cinemas, home theaters, PCs, mobile devices, and games.
The Magic Inside Dolby
The Dolby Institute
The Dolby Theatre
Working at Dolby
Learn how we support up-and-coming filmmakers during the creative process.
Get an inside look at how our team of scientists and engineers creates the magic behind your entertainment experiences.
Dolby in the Cinema
Be captivated by your favorite movies in Dolby sound.
Dolby Surround 7.1
Dolby Atmos Cinema Sound
Dolby Atmos propels you into the story with powerful, all-around sound.
Find a Movie Theatre
See your favorite movies in Dolby Atmos, Dolby Surround 7.1, or Dolby 3D.
Dolby at Home
Transform your living room into a sophisticated home theater with amazing sound and true-to-life video quality.
The Evolution of Surround Sound
Dolby led the evolution of stereo sound into surround and beyond.
Dolby Vision captures the story with incredibly bright colors, ultra-dark blacks, and vivid hues.
Dolby on the Go
Stellar sound quality. All of your favorite content. Wherever life takes you.
Cinema Sound Anywhere
Experience the power of Transformers: Age of Extinction in Dolby Atmos now.
Amazon and Dolby Are Changing Mobile
Learn how Dolby and Amazon are changing the way you enjoy mobile entertainment.
Dolby at Work
Improve productivity by transforming the conference call into an in-person meeting experience with Dolby Voice and the Dolby Conference Phone.
Dolby Conference Phone
Feel like you're right there in the room with the stunning clarity of Dolby Voice.
We've reinvented the conference phone to deliver lifelike clarity and conversational ease.
Partners and Professionals
Find Dolby solutions, services, and support that can help you create more engaging products, content, and entertainment experiences.
PC and Mobile
Apply for a license to include Dolby technologies in your products.
Log in to the Dolby Customer portal to find partner tools, documents, and policies.
Find warranty and policy information for Dolby hardware and software.
Learn about room acoustics, cables, furniture, stands, and accessories.
Room acoustics can affect your sound almost as much as your component choices can, and the decor of the room you choose for a home theater affects the acoustics.
Test the acoustics by clapping your hands. Do you hear "ringing" afterward? That means your room reflects too much sound.
You can do a few things to help:
If you're lucky enough to have a room dedicated to your home theater, you have a lot more control:
Consider specialized room-tuning components, such as wall diffusers and bass absorbers. Although most are not visually attractive, they can work wonders for your sound.
These include all the cables you use to connect one component to another. Look for:
Be aware that video cables and audio interconnects are not interchangeable, even though they may look alike.
Speaker cable is essentially the same type of wire used for lamps, toasters, and other appliances. Your home theater retailer typically will offer several choices.
Here are some things to keep in mind when you buy:
Some interconnects and speaker cables cost many dollars per foot. Others are inexpensive: 12 AWG lamp cord, which is plenty thick, sells for pennies a foot.
Is expensive cabling worth the cost? Use common sense. You don't need a $275 HDMI cable to connect a $150 Blu-ray player and a $900 HDTV.
The same goes for your other connections.
HDMI 1.4, the latest version, adds 3D and other capabilities too. But you likely won't need new cables. If the cable specification says "High-Speed HDMI," it will work with HDMI 1.4.
One exception: HDMI 1.4 supports Ethernet. If you want to use this capability and have equipment that supports it, you'll need a cable that specifies "High-Speed HDMI with Ethernet." The physical connector will look the same as for the non-Ethernet cable.
Although any good set of sturdy shelves may do, using furniture designed for A/V equipment has some advantages:
We do not recommend placing speakers on any furniture that also holds any of your home theater components. The vibrations can affect the sound and shorten component life. Sometimes this placement is unavoidable, particularly with the center-channel speaker. Placing your speakers on stands is a good alternative.
When choosing speaker stands, look for stands that are:
See the Speaker Setup Guide for best placement of surround speakers.
This is an excellent alternative to buying furniture for your TV display—if your room can accommodate it. Many center-channel speakers can also be mounted on a wall.
Wall mounts are frequently an ideal solution for placing the surround speakers, particularly if you have a 7.1-channel system, with speakers behind the seating area.
Add some final touches to complete your home theater system.
To avoid having a table full of remote controls, consider using a universal remote. Play with it in a store, if possible, to make sure it really is easy to use. Designs differ.
Use surge protection. Be sure the surge protector is rated for the wattage of your components.
Better yet, look at a power conditioner, which includes surge protection. These units also include filtering to reduce or eliminate electrical interference. Some common sources of interference include:
All of these can add "noise" to your power line and affect your sound and picture.
Prices for power conditioners range from slightly more than the cost of a surge protector to thousands of dollars, with (usually) corresponding filtration power and control features.
Note that a power conditioner may not eliminate all electrical problems.
Headphones can be very useful if you're watching or listening while someone else is reading, for instance. Only a few models have real hi-fi performance, so shop carefully.
If the headphones have Dolby Headphone technology, you can get the full surround experience.
The better-quality wired headphones will have superior sound, but the cord is inconvenient for home listening.
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