. A Global Standard Every DVD worldwide and all HD broadcasts in the United States use Dolby Digital® (also known as AC-3). Dolby Digital 5.1 has evolved into ™, delivering up to 7.1 channels of surround sound in devices ranging from TVs to mobile phones. 5.1 Multichannel Sound With 5.1 channels of high-quality audio, Dolby Digital places you in the center of the action. It expands the left and right traditional stereo channels to deliver an enveloping 360 degrees of sound.
Cinema, TV, DVDs, and Games The same audio technology that revolutionized the cinema enables the sound in all DVDs and US HDTV broadcasts. Even many video games feature Dolby Digital surround sound.
Efficient 5.1 Sound At its core, Dolby Digital technology represents a very efficient way for movie studios, television networks, and other content providers to compress the size of multichannel audio files without impairing the sound quality. The smaller the file, the easier it is to distribute. With Dolby Digital, it's possible to include a full 5.1-channel audio mix on a film print or a DVD, or as part of a TV broadcast. This expands the creative palette for artists, and allows those of us in the audience to experience greater realism and excitement. Encoding and Decoding Dolby Digital operates in a world of ones and zeroes—digital information. Since the audio we hear consists of analog waveforms, not ones and zeroes, the first step in the process of creating a Dolby Digital audio track is to convert the original analog signal into digital information.
This process is called encoding. But rather than simply converting waveforms to numbers blindly, Dolby Digital analyzes the original audio and intelligently determines what parts of the audio track are important to keep and what parts you're less likely to hear. By retaining the important parts of the audio track and eliminating redundant data, Dolby Digital delivers excellent multichannel sound at low data rates. The distribution of Dolby Digital audio can take many forms: a film print, a DVD, a television broadcast, a download. Once distributed, the compressed audio needs decoding.
At the cinema, this decoding occurs in an audio processor, while in your home it can take place in a DVD player, a set-top box, a game console, or another familiar piece of equipment. To ensure consistent playback regardless of your specific setup, Dolby Digital uses something called metadata. Metadata is a set of instructions created during programming production and carried in the Dolby Digital bitstream. It ensures you enjoy a high-quality audio experience, whether you're listening on a mono, stereo, or 5.1-channel system, and also lets content creators offer additional features so you have more control over playback. The Role of Each Channel in 5.1 Sound The channels in a 5.1 audio mix serve distinct purposes. Coach handbag serial number check.
The three front channels (Left, Center, and Right) provide crisp, clean dialogue and accurate placement of onscreen sounds. The twin surround channels (Left Surround and Right Surround) create the sense of being in the middle of the action. The Low-Frequency Effects (LFE) channel delivers deep, powerful bass effects that can be felt as well as heard.
As it needs only about one-tenth the bandwidth of each of the other channels, the LFE channel is referred to as a '.1' channel. A worldwide standard in surround sound, Dolby Digital offers compatibility with millions of existing playback systems. These include cinema processors, A/V receivers, set-top boxes, DVD players, PCs, and game systems.
Metadata parameters ensure that a single audio bitstream faithfully delivers your vision for the audio whether your audience is listening on a mono, stereo, or 5.1-channel system. For game developers, the Dolby Game Developer Support Program can supply you with everything you need to create great audio with Dolby Digital. Visit the to learn more. Also known as AC-3, Dolby Digital delivers up to 5.1 discrete channels of surround sound to add realism and depth to sporting events, dramatic features, and other types of programming. Whether HD or standard-definition, all digital television broadcasts use Dolby Digital audio in the US, Canada, and other countries that have adopted the ATSC television standard. Metadata parameters ensure that a single audio bitstream faithfully delivers the producer's vision for the audio whether the audience is listening on a mono, stereo, or 5.1-channel system. Also known as AC-3, Dolby Digital delivers up to 5.1 discrete channels of surround sound to add realism and depth to feature films, documentaries, and shorts.
Dolby Digital provides extraordinary dynamic capability, wide frequency range, low distortion, and relative immunity to wear. Its combination of high quality, reliability, and practicality has been proven in cinemas around the world. Dolby has established standardized sound replay conditions for cinemas and mixing studios to ensure the consistent playback of all Dolby Digital films.
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. The Sound of HDTV Based on core Dolby® Digital technologies, the established standard for cinema, broadcast, and home theater surround sound. Full Interactive Support for Blu-ray BonusView and BD-Live Get the interactive BonusView™ and BD-Live™ features on ™, like director's commentary, alternate dialogue, or alternative language soundtracks. Premium Mobile Listening Adds depth and power for clear, realistic sound through headphones and speakers using Dolby Audio, and provides faster downloads as well. Dolby Digital Plus: Consistent Quality on Every Device Enjoy vibrant, high-quality surround sound from all your favorite content with Dolby Digital Plus™. Whether you're watching movies, TV shows, online videos, or concerts, Dolby Digital Plus ensures that you always get consistent audio quality.
The Technology Dolby Digital Plus is an audio technology based on Dolby Digital 5.1, the established standard for cinema, broadcast, and home theater surround sound. It's part of a complete ecosystem that includes content creation, program distribution, device manufacture, and customer experience. How It Works Based on both psychoacoustic and cognitive models of audio perception, Dolby Digital Plus delivers HD-quality audio for streaming, on-demand, and downloaded content by using some of our most advanced algorithms. Dolby Digital Plus makes it possible to store and transmit high-quality digital sound to deliver the best audio quality possible on many different kinds of devices. Compatibility with Current Equipment Equipment with Dolby Digital Plus will unlock its full feature set, including 5.1- and 7.1-channel capability (depending on the program). If your system includes only Dolby Digital, you'll still get 5.1-channel surround sound, with the highest-quality Dolby Digital signal possible—Dolby Digital Plus content is easily converted to a traditional Dolby Digital signal. Dolby Digital Plus Products and Content You can get the Dolby Digital Plus experience by purchasing home theater equipment, such as A/V receivers, Blu-ray™ players, or TVs with Dolby Digital Plus.
It's available on PCs, tablets like the, and on. Dolby Digital Plus is also a core format for, built into Windows 10 and the new Microsoft Edge browser, available on and the Surface™. Look for content encoded with Dolby Digital Plus on and on streaming platforms such as Netflix, Vudu, or Amazon Fire TV. Compare Dolby Digital Plus to Other Technologies Dolby Digital Plus is one of many technologies that deliver surround sound.
But how does it compare to other technologies? Dolby Digital Plus is the established standard for 5.1-channel surround sound on DVDs and HD broadcasts. It's part of the Blu-ray Disc standard, so you can experience the clearest multichannel surround sound from your entertainment. And it's built into Windows 10, giving you crisp, clear sound from Windows apps and through the Microsoft Edge browser. Disc Authoring Tools Dolby Media Producer software delivers cost-effective, professional audio encoding for Blu-ray and DVD.
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The complete suite includes a full range of applications for complete authoring control. BonusView and BD-Live Take full advantage of interactive features on Blu-ray: you can use the low-bit-rate mode of Dolby Digital Plus to add as many as 5.1 channels of extra material such as director's commentary or alternative language tracks. Legacy Compatibility Dolby Digital Plus supports all Dolby Digital metadata, so consumers with legacy equipment will enjoy the same quality surround sound they've always had. Postproduction Soundtracks for premium programming are likely already in 5.1-channel surround sound. Available tools will let you monitor your mix for various playback scenarios and help ensure you meet delivery specifications.
Legacy Compatibility When the Dolby Digital Plus bitstream finds a Dolby Digital decoder at the receiving end, it automatically generates a 5.1-channel Dolby Digital signal at 640 kbps. Consumers with legacy equipment will enjoy the same quality surround sound they've always had. Create Just One Version Dolby Digital Plus is the only delivery format that can use the same stream for delivery to TVs, set-top boxes, and mobile devices.
5.1 Dolby Digital Surround Sound Hindi Songs
Ideal Companion for Video Codecs Advanced compression algorithms allow delivery of discrete 5.1-channel surround sound at 192 kbps, half the data rate typically used. And 7.1 channels can be delivered at data rates as low as 384 kbps. Worldwide Adoption Dolby Digital Plus is part of broadcast standards worldwide, including DVB™/ETSI, DECE, ATSC, and DLNA®.
Create Just One Version Dolby Digital Plus is the only delivery format that can use the same stream for delivery to TVs, set-top boxes, and mobile devices. Maximizes Device Performance Dolby Digital Plus for mobile devices includes extensive postprocessing that compensates for the limitations of the built-in speakers. It dramatically improves the sound consumers hear on their mobile devices. Seamless Ad Insertion Scalability and seamless channel and bit-rate switching allow ad materials to be inserted into the bitstream while maintaining loudness consistency.
. This is a list of channels in India.
Dolby Atmos - DTS-X - Integra - Yamaha - Sony - Pioneer - Onkyo - Marantz - Audiocontrol - Denon - Dolby Atmos & DTS:X - Sound of Immersive Audio - To experience, need a receiver, think about how many speakers want to have. Recommended are five surround speakers, a subwoofer, and two height channels. This is what is known as a 5.1.2 configuration. However, bigger rooms can accommodate additional speakers, so if you are thimking into adding four height speakers to make a 5.1.4 or even a 7.1.4 setup. Whatever we decide it is necessary that our new receiver can support our configuration - dts X uses object-oriented encoding to create a truly three-dimensional soundfield. That way, you can really experience those sky-high explosions, planes flying overhead, rainstorms, buildings collapsing and more.
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