Архив форума "Клуб любителей DVD" с 2000 по 2014гг


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Автор: BFG
Дата: 21.06.00, @11:27

  `San Francisco, June 20, 2000-Dolby Laboratories announced today the introduction of Pro Logic II, the next generation of Dolby Surround Pro Logic decoding technology. Pro Logic II brings exciting new features and advanced performance for decoding the many thousands of existing Dolby Surround programmes, making them sound more like a discrete Dolby Digital 5.1-channel version than ever before.
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`The world is rapidly adopting digital delivery formats like DVD, and digital television (DTV), satellite and cable, all of which offer Dolby Digital 5.1 audio capability. The music industry is on the verge of transitioning from stereo to 5.1-channel sound with the new DVD-Audio format. Consumers enthusiastically demand 5.1-channel sound in new programmes of all kinds. But vast numbers of programmes already exist in stereo and Dolby Surround, and many more will continue to arrive in years to come. Pro Logic II lets consumers enjoy these programmes with a convincing "5.1-like" presentation.
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`Pro Logic II is able to decode the thousands of existing Dolby Surround movies and TV shows already on the shelf, compatibly, and with enhanced image stability. The improvements in decoding techniques mean that the discreteness of the sound field elements are better-preserved in the decoding process than was possible with the now universally standard Pro Logic technology, developed in the mid 80s.
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`"The technology in Pro Logic II is the first fundamentally new approach in matrix decoder design since the basic design which is still at the core of every other active matrix surround decoder," said Roger Dressler, Director of Technology Strategy for Dolby Laboratories. "Pro Logic II was designed from the outset to convert conventional stereo music recordings, which will be with us for some time to come, to a natural, believable surround experience. The result is a decoder that can handle a wide range of movie and music programme material with equal skill. Dolby is proud to be handling the licensing and technical support of this exciting new technology."
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`This new system was invented by Jim Fosgate, one of the most prolific developers of surround decoding technologies since the quadraphonic era of the late 1960s. Mr. Fosgate said, "I have spent the past 25 years figuring out how to expose the hidden information in standard two-channel stereo recordings, both new and old. This breakthrough in matrix decoding technology allows users to enjoy all their existing two-channel programmes, whether Dolby Surround encoded or not, with an enhanced level of spatiality and directionality."
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`Pro Logic II also incorporates special features for controlling the overall spatial dimensionality and frontal soundfield imaging that are particularly suited for autosound applications. A standard four-channel Pro Logic decoding mode is also included in the technology package.
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`Dolby Surround Pro Logic II decoding can be implemented economically in either analogue or digital circuitry, making it ideal for use in all traditional home cinema products and in a range of new "music surround" products.
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