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Why did they choose the most important high-definition player is selected chip? – Chips, set-top box   by jekky

HC TV Network : The first HD Players named Return of the King Hoi Mei Di HD500B hyun your taste, 17 mainstream high-definition player models Heng Ping! Why choose the most important high-definition player is selected chip it? Because the nature of high-definition player is embedded computer: how the computer CPU does not choose the right line?? HD player chip the machine has actually decided to "performance", "compatibility" and "price" purchase three core factors. Now the mainstream market players mainly adopts two main chip manufacturers Player One is SigmaDesigns the SMP8634, SMP8635 series, the other is Realtek’s RTD1073.

SigmaDesigns is a mainstream high-definition silicon vendors, the manufacturers are now more common SMP8634, SMP8635 series HD chips. SigmaDesigns latest SMP8635 SMP8634 chip based on the substantially improve the performance of the chip equipped with 256M memory and 64Mflash IC supports both DTS and DTS-DH decoding, support HDMI1.3 output. Its advantage is that almost all video format support, DTS not self, but the support network playback. Drawback is that does not support RMVB.

SMP8634 SMP35 newer than the chip. 8634 aimed primarily at foreign similar STB Manufacturers, especially those countries that are Chinese and copyright protection, they use to get the appropriate copyright fees, so the output of the equipment limitations. SMP8635 factory hours earlier, many manufacturers are using. SMP8635 is not with the copyright protection, there is no output restriction. This two-chip design with high-definition machine for playing the current network users, the file will not be affected, the price difference, but if you want to see genuine Film Such as DVD and BD, it must choose SMP34 was.

SMP8654 chip is SigmaDesigns for the company’s new consumer Electronic The new SoC (system on a chip) SMP8654 media processor solutions. Compared with the previous generation of SMP8654 SMP8634 the overall performance of the product 50% increase, while the introduction of the new DDR2 memory, and integrates more peripheral interfaces, the overall hardware cost reduction of about 30%, good price-performance ratio so that the products in a more favorable competitive position, but also help promote the new high-definition consumer electronics market.

Treatment from the media point of view, SMP8654 offers a full support high-definition video decoding, advanced decoder engines support the H.264 standard (MPEG-4part10), WindowsMedia ® Video9, SMPTE421M (VC-1), MPEG -2 and MPEG-4 (part2), and the new AVS Standards; to support high-performance graphics acceleration, multi-standard audio decoding, advanced display processing capabilities; and through HDMI1.3 export their multimedia content. Powerful content security chip is a dedicated security processor, chipset built-in flash memory, and a series of high-speed payload decryption for Digital Rights Management (DRM) engines guaranteed. SMP8654 also features a complete system peripheral interfaces, including dual Gigabit Ethernet controller, dual USB2.0 controller, NandFlash controller, infrared IR controller and SATA controller, significantly reducing system design complexity.

09 years, most manufacturers are into R & D pilot production stage of the chip: a chip made of high-definition 8654 playback program expanded its encoding system, an increase of HD and SD format, the Chinese national standard AVS, and the Internet RMVB The bit stream format. Support MPEG-1/2/4, VC1, H.264, WMV and other SD, HD streaming formats, Blu-ray 1080P powerful decoding and output is difficult to hold a candle to the other player, integrated a number of mainstream P2P system to support network-on-demand, network broadcast and network HD downloads.

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