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back to menu ↑ What is the DTS: X codec?įull HD resolution (1920p x 1080p) has been the most widely used high-definition format for several years, but new televisions and AV receivers are already capable of playing movies with higher quality: 4K, or Ultra HD.
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#WHAT IS VIDEO CODEC MOVIE#
The Atmos can process up to 128 different audio objects in one scene. Atmos surround sound, for example, can make the sound of an explosion emitted from different points, achieving a unique 3D effect thanks to the use of additional ceiling speakers. This codec began to be used in theaters with Pixar’s Brave movie and has been available for quality AV receivers since 2015. back to menu ↑ What is Dolby Atmos?ĭolby Atmos is the most popular among these new formats today. The latest and most complex surround sound codecs ( Dolby Atmos, DTS: X, and Auro-3D ) create a new sensation of sonic three-dimensionality not present in older formats. They are known as “object-based” systems since the mixture of these formats allows representing of sound objects in a 3D space, where each object, or information package, contains independent audio information. back to menu ↑ Object-based surround sound codecs
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#WHAT IS VIDEO CODEC PRO#
Pro Logic IIx is a format that can take 5.1 surround sound mixes and expand them to 6.1 or 7.1 systems. On the other hand, the Pro Logic IIz allows you to add two speakers that are located above the center speaker and between the front side speakers with which a greater depth of surround sound is obtained compared to the other versions. Pro Logic II can create surround sound for 5.1 Home Cinema systems from a stereo source. It is perfect for use with movies or TV shows that feature a stereo mix. If you have or have been looking to purchase a new AV receiver, you will find that they have several Pro-Logic format options: Pro Logic II, Pro Logic IIx, and Pro Logic IIz. back to menu ↑ Pro Logic II, Pro Logic IIx, and Pro Logic IIz Not all Blu-ray discs offer 7.1 surround sound mixes, as they are very heavy. On the other hand, a 5.1 mix can be used by a 7.1 home theater system through the AV receiver, although the two extra surround speakers will not output different sounds.