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Philips video codec can provide both standard and HD output

Posted: 16 Jan 2002 ?? ?Print Version ?Bookmark and Share

Keywords:philips semiconductors? philips? video codec? codec? coder?

The SAA7108A/09A is claimed to be the first video codec to incorporate HD and standard definition output capability on the same chip. Targeted at computer applications, the multistandard, high-definition (HD) video codec enables both standard and HD-ready TVs to display a variety of PC-generated content such as movies, 3D games, decoded TV broadcasts and high-resolution graphics.

The codec can also be employed in consumer electronic devices such as STBs, PVRs, DVDs, DVCRs, web boxes and video conferencing applications.

The chip also supports a range of VGA resolutions, from 320x200 to 1,280x1,024, enabling instant TV-out viewing without the need to change graphics modes.

The device likewise offers VGA card and computer motherboard manufacturers advanced features such as end-to-end Macrovision copy protection support and high-quality PC 2001-compliant video-in, TV-out processing. It supports all Macrovision copy protection standards including revision 7.01 and DVD 1.03 scheme.

It incorporates 9-bit ADCs and 10-bit DACs, as well as combines a two-channel analog preprocessing circuit, automatic clamp and gain control, a clock generation circuit, and a digital multistandard decoder supporting PAL BGHI, PAL M, PAL N, combination PAL N, NTSC M, NTSC-Japan, NTSC N and SECAM. The decoder block also includes a brightness-, contrast- and saturation-control circuit, a multistandard VBI data slicer and a 27MHz VBI-data bypass.

The video codec is housed in a 156-pin BGA.





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