CVD2
Driving the Digital Lifestyle
3D Comb Filter NTSC/PAL/SECAM
Video Decoder
DVD
Digital Camera
Digital TV
Imaging
IP Cores
Zoran Corporation
1390 Kifer Road
Sunnyvale, CA 94086-5305
Te l 408.523.6500
Fax 408.523.6501
www.zoran.com
Product Brief
Benefits Overview
Zoran’s CVD2 Video Decoder is a silicon efficient, cost effective,
high video quality Intellectual Property Core for IC designs requiring
video input. The CVD2 decodes NTSC/PAL/SECAM composite
video or S-video and converts it into YUV 4:2:2, 16-bit digital video.
Employing adaptive 3D comb filter technology, the CVD2 is able to
provide the highest quality Y/C separation while maintaining
excellent frequency response. Color transient enhancement
provides for fast transitions on color boundaries. The result is sharp,
high detail video that eliminates unwanted dot crawl and false color
effects. A fully digital design, the CVD2 requires the addition of only
an A/D (two for S-Video support), a DC restore circuit and frame
buffers for implementation.
CVD2 is based on Zoran’s extensive experience delivering high
quality, high volume video ICs to major OEMs worldwide. Proven in
silicon, the CVD2 Video Decoder greatly reduces the risk and time
involved when integrating the video decoding function into an IC.
Deliverables
• RTL (Verilog) source code
• Bit accurate C++ model
• Synopsis synthesis scripts
• Test input files
• Documentation
• FPGA evaluation board available
Features
• Decodes NTSC, PAL or SECAM composite video or S-Video into
the YUV 4:2:2 format
• Adaptive 3D Comb Filter for highest video quality
• Robust motion detection
• Component video inputs supported
• Adaptive 2D Comb Filter used where motion is detected:
– 3-line 2D Comb Filter for NTSC & PAL
• Decodes all variations of the NTSC standard
• Decodes all variations of PAL standard
– (I, B, G, H, D, N, M, combination N)
– 5-line 2D Comb Filter for PAL (optional)
• Color transient enhancement
• Excellent quality Y/C separation
– provides apparent color bandwidth to 3 MHz
• Auto-detects video standard (NTSC, PAL or SECAM)
• Auto-detects and locks to VCR trick modes
• Decodes weak and noisy off-air signals
– minimizes cross luma and cross color effects
• Superior frequency response preserves fine detail
• VBI decoding supported
• Accepts up to 11-bit inputs from A/D converter
• Digital automatic gain control (AGC) supported
• Silicon efficient design of approximately 130k gates
• Auto-detects and decodes Macrovision copy protection
• Requires only a single clock input ranging from 20 to 30 MHz
• Process technology independent, fully synchronous design
Integrated Circuit Applications
• LCD controllers
• PC video capture devices
• Set top box decoders
• Digital TV decoders
• Game processors
• Any IC requiring video input
7/16/04-TS
CVD2-PB-1.0
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