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  [图文]Philips PCI模拟立体声TV接收器解决方案    热     ★★★ 【字体：小 大】
Philips PCI模拟立体声TV接收器解决方案
作者：Philips    文章来源：本站    点击数：    更新时间：2007-3-19    
 Philips PCI模拟立体声TV接收器解决方案
    2006-7-10 15:40     来源：Philips

PCI analog stereo TV receiver

This PCI-based analog stereo TV receiver is built around the proven SAA7133 PCI video/stereo decoder IC, which receives and decodes the signals for analog terrestrial and cable broadcast video and stereo sound standards.



Key features

PCI-based architecture
Analog TV reception (terrestrial and cable)
Based on SAA7133 PCI video decoder
Fully automatic detection of any worldwide analog TV video standard (PAL, NTSC, SECAM)

Two 9-bit ADCs at 27-MHz sample rate
High-performance adaptive 4-line comb filter
Stereo decoding for BTSC+SAP and EIAJ
Stereo-audio DAC for analog loop-back cable to soundcard
Stereo ADC for digitizing microphone or other line-in input
Philips Incredible Sound
VBS/COFDM/QAM support via dedicated sidecar bus
Transport stream capture and DMA
TV capture of raw VBI data, software slicing and decoding of Closed Caption, Teletext, Interface, and all other VBI standards
Full three-level hardware implemented Macrovision detection
ACPI 1.1 compliant and PCI power management support
Background information
This design features a single-slot PCI card for analog video and TV stereo sound decoding and capture through the PCI bus to the graphic frame buffer or directly to system memory (e.g. for time-shift recording). A stereo audio signal can be captured from the line-in (stereo) connector or decoded from the tuner’s sound IF signal. Once captured, the audio signals can be looped via an analog audio loop-back cable to the sound card, or bus mastered on the host PCI bus.

The SAA7133 eliminates many components by integrating worldwide analog TV video decoding, stereo decoding from Japan (EIAJ) and North America (BTSC-dbx and SAP), three-level Macrovision copy protection detection, MPEG-2 transport stream capture, and a PCI-bus mastering interface.

A code base for Windows Driver Model (WDM) reduces software maintenance and helps protect the designer’s software investments. A Device Driver Kit (DDK) for the SAA7133 has a plug-and-play driver as well as capture-driver installations for all commonly used 32-bit Windows platforms.
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