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CVE4 PDF预览

CVE4 - ZORAN CORPORATION

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型号:
CVE4
Datasheet下载:
CVE4
CVE4描述:
Progressive Out Video Encoder
CVE4应用:
编码器
文档页数/大小:
2页 / 227K
品牌Logo:
品牌名称:
ZORAN [ ZORAN CORPORATION ]

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CVE4

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文档: 2页 / 227K

品牌: ZORAN

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CVE4
Progressive Out Video Encoder
DVD
Digital Camera
Driving the Digital Lifestyle
Digital TV
Imaging
IP Cores
Product Brief
Description
Zoran Corporation
1390 Kifer Road
Sunnyvale, CA 94086-5305
Te l 408.523.6500
Fax 408.523.6501
www.zoran.com
Zoran's CVE4 Progressive Out Video Encoder is a silicon-efficient,
high-quality Intellectual Property Core for video IC designs requiring
the progressive scan TV output function. The CVE4 encodes YCrCb,
4:2:2 digital video into the 480p and 576p standards. All NTSC, PAL, or
SECAM TV standards for interlaced output are also supported. CVE4
supports vertical blanking interval (VBI) encoding, including closed cap-
tion, teletext, WSS and CGMS-A encoding. CVE4 also includes sup-
port for Macrovision 7.1.L1, the copy protection scheme used in DVD
players and set-top boxes. Six separate output busses for Y,
Composite, Chroma, and RGB provides for flexibility in connection and
multiplexing to DACs.
Proven in silicon and shipping in the millions, the CVE4 progressive
out video encoder greatly reduces the risk and time involved when
integrating the progressive out video encoding function into an IC.
When combined with Zoran's Frame-It-1 Video Deinterlacer, CVE4 pro-
vides an industry recognized standard for quality progressive scan out-
put. CVE4 is incorporated into Zoran's own Vaddis DVD playback ICs.
Features
• 480p and 576p progressive output supported
• Encodes 4:2:2 YCrCb into all variations of NTSC, PAL or SECAM
TV standards for interlaced output
• Simultaneous output of composite video, S-video and component
video supported
• Dual chroma paths for optimal output of both composite video and
S-Video component video
• CCIR 601, 604 and 656 and SMTPE 253 standards supported
• Macrovision 7.1.L1 copy protection
47-tap luma filter
Outputs 10-bit data to DACs
Vertical Blanking Interval (VBI) encoding support
Closed caption, teletext, WSS & CGMS Encoding
Uniform 54 MHz clock; fully synchronous design
4x oversampling of luminance and chrominance filter for interlace
mode
• 2x oversampling for progressive scan mode
• Process technology independent "softcore"
Integrated Circuit Applications
• PC video
• Digital TV
• Set top box decoders
• Any system requiring progressive TV output
Deliverables
• Compilable Verilog source code
• Bit accurate, cycle accurate C model
• Synopsis synthesis scripts
• Test input files
• Documentation
CVE4 Progressive Out Video Encoder Block Diagram
tt_req tt_data
Y
Noise reduction
and edge
enhancement
Cb 4x
Upsampling Filter
Y 2x 45 tap
Upsampling Filter
Y 2x 15 tap
Upsampling Filter
Add Sync Setup
Add VBI Pulse
(WSS/Closed
Caption/Teletext)
Y D/A
Composite D/A
Cr, Cb
Cb 2x
Upsampling Filter
Cr 4x
Upsampling Filter
Hblank
vblank
Interlaced and
Progressive
Timing Generator
and Macrovision
Control
Chroma Modulation
and Burst
Generation
Cr 2x
Upsampling Filter
C D/A
SECAM Chroma
Modulation
clk54
data_write
data_read
r/w control
Register file
YUV to RGB
R/Pr
G/Y
B/Pb
7/16/04-TS
CVE4-PB-1.0

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