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Marek.Sedlář
C-Media's CMI9739 6CH AC97 CODEC and Xear 3D Sound Technology received the award for the Best of Computex Taipei 2002 under the category of Multimedia products from Nikkei Byte and Nikkei WinPC. C-Media's product outshines others, including another audio product of its kind, under the same category in that CMI9739 not only preserves all the benefits other AC97 CODECs could offer, but also provides the world's one and only Xear 3D Sound Technology. Powered by the state-of-the-art 3D engine and 3D filter, Xear 3D Sound Technology conveniently and economically retains major vintage benefits provided by a typical multi-channel audio system(accurate HRTF 3D, impressive EAX? effects, etc.) Thanks to the patent pending structure and rear audio compensation, Xear 3D Sound allows the users to enjoy the rear audio while still perceive the front audio at the same time. No rear speakers are needed. Xear 3D Sound Technology also features Virtual Speaker Shifter, which provides access for users to freely move the virtual speakers anywhere they like. With Xear 3D Sound Technology, consumers won't have to worry about the rear speaker placement, wire arrangement, or the sweet spot limitation any more.
"As an on-line game provider, we feel the urge for immersive 3D audio technology for interactive gaming from our customers. 3D visual and 3D audio are becoming a must in gaming; therefore, we are happy to partner with C-Media to deliver cutting-edged 3D audio technology for our upcoming game-Noah's Ark," said Bryan Yueh, R& D Department Director of Gamania.
”We take much pride in working closely with Gamania, with whom we share similar corporate philosophy. It is believe that our award-winning CMI9739 and Xear 3D Technology, especially the Earphone Plus and Virtual Speaker Shifter, can bring much enjoyment to game lovers. Just use C-Media’s CMI series audio chip and a pair of open-aired eaphones, everyone can enjoy the multi-channel audio effect which is currently possible via the utilization of more than 2 speakers. No more headache for rear speakers,” said Eric Cheng, president of C-Media.
Technical Features for CMI9739:
l 6CH AC97 CODEC, V2.2 compatible.
l Xear 3D Sound Solution(patent pending).
l S/PDIF In/Out.
l Built-in Earphone Buffer.
l Rear Output jack=Line-in jack.
l Center/Bass jack=MIC jack. 96K audio frame.
l 96K audio frame.
l 18-20 bits DAC interface for S/PDIF I/O(ICH4).
l Comprehensive Driver Support: Win98, Win2000, WinMe, WinXP, DS3D, EAX.
l Digital power 3.3V. Analog power 5V.
l EAX 1.0 and 2.0 compatible.
Technical Brief for Xear 3D Sound Technology:
l An ear/headphone-like device, capable of delivering the rear audio in a multi-channel audio system.
l Open-aired design, allowing the listener to perceive the front signal and bass at the same time.
l Rear output adjustable in position, height, and width via C-Media’s user friendly API, capable of offering a freely defined listening environment to the users.
l By means of software support, all C-Media CMI series chip(CMI8738 4/6CH, CMI9738 4CH, and CMI9739 6CH) users can benefit.
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