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C’est quoi, le Dolby Atmos ?
news.movim.eu / Numerama · Saturday, 7 January, 2023 - 15:01
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Dolby Cinema, IMAX, 4DX ou 3D : quelle est la meilleure technologie au cinéma ?
news.movim.eu / Numerama · Sunday, 11 December, 2022 - 11:43
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Mercedes-Benz’s new sound system could finally push music beyond stereo
news.movim.eu / ArsTechnica · Tuesday, 18 October, 2022 - 17:14 · 1 minute
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After pushing AV1 codec, Google goes after Dolby with HDR and audio standards
news.movim.eu / ArsTechnica · Thursday, 22 September, 2022 - 21:40 · 1 minute
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Pour l’audio spatial de l’Apple TV, l’app Disney+ diffuse maintenant en Dolby Atmos
news.movim.eu / JournalDuGeek · Saturday, 6 August, 2022 - 15:00
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Netfix brings spatial audio to its lineup of original series and movies
news.movim.eu / ArsTechnica · Thursday, 7 July, 2022 - 21:19
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La Ligue des champions en Dolby Atmos et Dolby Vision, c’est super, mais rien ne remplace les commentaires
news.movim.eu / Numerama · Monday, 30 May, 2022 - 10:04
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Enlarge / The Dolby Atmos sound system in the newly revealed Mercedes-Benz EQE SUV is one of the EV's highlights. (credit: Mercedes-Benz)
PARIS—For the debut of a car that’s virtually silent, Mercedes-Benz sure spent a long time talking about sound at the international debut of the EQE SUV this week in Paris. Yes, the fully electric machine does have some (optional) fake engine noises on the inside, but it was actually the Burmester surround-sound system that stole the show.
After the car’s debut, Mercedes-Benz announced a partnership with Apple Music, Universal Music Group, and Dolby to become the first cars natively offering Dolby Atmos from Apple Music. Increasingly common in top-tier movie theaters, Atmos allows audio producers to position sounds anywhere they like in 3D space. Now, the technology is hitting music-streaming services.
"It started in the theater 10 years ago, and it's now the state of the art in making film soundtracks, but it's now in music," Patrick Rossi, VP of commercial partnerships at Dolby said at the EQE SUV unveil. "It allows the musician and their audio team to really place audio elements in space. They're no longer constrained by putting them in the left speaker or the right speaker, but they can put them anywhere they want."
Enlarge / The Alliance for Open Media logo. (credit: Alliance for Open Media)
Google can do basically whatever it wants regarding video and web standards. YouTube is the world's most popular video site. Chrome is the world's most popular browser. Android is the world's most popular operating system. Anything Google wants to roll out can immediately have a sizable user base of clients, servers, and content. From there, it's just a matter of getting a few partners to tag along. This is how Google's next-generation AV1 video codec is being rolled out, and next, Google is setting its sights on HDR and 3D audio standards.
Protocol's Janko Roettgers has a report on "Project Caviar," Google's plan to take on Dolby and create royalty-free alternatives to its HDR standard (Dolby Vision) and its 3D audio standard (Dolby Atmos). Dolby's old-media business model relies on royalty fees from hardware manufacturers and support from content creators. The company's technology is deeply embedded in movie theaters, Blu-rays, and more modern streaming companies like Apple are big backers of Dolby technology. That all costs money, though, and Protocol's report says $50 streaming sticks end up having around $2 of that price tag go to Dolby.
Surround sound has been a movie feature forever with various numbers of front, back, and side speakers, but Dolby Atmos adds height into the equation. If you take a 5.1 or 7.1 speaker setup—that's three front speakers, two back, a subwoofer, and for 7.1, two side speakers—Dolby Atmos adds four overhead speakers into the mix, allowing sound to pan overhead of the viewer. Atmos is supported by Apple, Netflix , HBO Max, and Disney+.
L'application Disney+ s'améliore pour les utilisateurs d'Apple TV et d'AirPods. Ils peuvent en effet désormais profiter du Dolby Atmos pour l'audio spatial, comme sur les autres plateformes.
Pour l’audio spatial de l’Apple TV, l’app Disney+ diffuse maintenant en Dolby Atmos
Enlarge / Eddie Munson plays guitar in Stranger Things season 4. (credit: Netflix)
Netflix has partnered with Sennheiser to bring spatial audio to the streaming service's original programming, including the recently released Stranger Things season 4 .
"Spatial audio will roll out across our catalog beginning today, and you can hear it for yourself by typing 'spatial audio' into the search bar and selecting a show or film that supports it in the search results," a Netflix blog post says. The feature uses Sennheiser's Ambeo technology.
Spatial audio involves arranging all sources of sound in a model 360-degree sound field around the listener's position (in some cases, it involves vertical spatial positioning, too). Spatial audio then uses that data to deliver sound on various devices, including TV speakers or headphones that typically offer only stereo sound instead of a traditional multi-channel surround setup.
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