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ADI has expanded its AdvantivTM advanced TV video decoder product with a new high-performance video decoder with a 12-bit resolution 3D comb video decoder and a 150 MSPS digitizer for full HD 1080p input formats. The ADV7802 provides system designers with a complete single-chip solution that improves the video image and color quality of high definition television (HDTV), video processors, audio/video receiver (AVR) systems, and DVD recorders. Compared to existing video decoder solutions, this new 12-bit resolution 3D comb video decoder provides superior processing resolution for motion detection and 3D comb filtering, eliminating the need for designers to sharpen images Performance tradeoff between degree and Y/C separation - this is unavoidable in traditional professional and studio broadcast equipment - therefore, it does not add cost and design complexity to a discrete chip solution .The ADV7802 is the industry's true 12-bit resolution decoder with a 4:4:4 sample processing pipeline that supports RGB SCART inputs; the ADV7802 is a designer compared to the existing 4:2:2 sampled 8-bit decoder. Provides a higher level of system performance. At the same time, the built-in interface is added to support SDR DRAM, reducing overall system cost, and supporting DDR DRAM, enabling 12-bit 3D comb filter (NTSC or PAL), digital noise suppression (DNR) and time base correction (TBC) Synchronization provides a complete solution for designers to extract standard definition (SD) video from noisy over-the-air broadcast signals or unstable inferior VCR tape records.
The ADV7802's multi-format conversion capability allows designers to easily convert analog video signals to produce vivid images, more vivid colors, and enhanced digital image characteristics to meet consumer expectations for video processing and digital TV applications. For TVs designed for use in a variety of markets, the ADV7802 automatically detects various video standards in different locations and implements 3D comb filtering, including various NTSC and PAL formats. It also supports advanced SECAM decoding. In addition, the ADV7802 can be used for the detection and decoding of weak terrestrial television broadcast signals, ensuring the best possible image even in the case of remote reception.
The ADV7802 uses Analog Devices' superior analog-to-digital converter (ADC) technology and advanced adaptive Y/C separation algorithms. This highly integrated single-chip solution is a 3-tap, zero-field delayed 3D comb that operates in full PAL. The filter provides high-end video performance. The ADV7802's 3D adaptive comb filter reproduces sharper, more accurate colors, and the decoder's enhanced 12-bit YCbCr or RGB output capability (interleaving or conversion of progressive scan timing) improves the system's HDMITM (high definition) Degree Multimedia InterfaceTM) Dark Processing Capability - even for analog input sources.
The ADV7802 12-bit 3D comb filter video decoder is now available in volume production in a 176-pin TQFP package. The ADV7802 is priced at less than $12.00 per tablet. The ADV7800 10-bit video decoder is also available in a 176-pin TQFP package and is priced at less than $10.00 per unit.
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