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PDF CX23415 Data sheet ( Hoja de datos )
| Número de pieza | CX23415 | |
| Descripción | MPEG-2 Codec | |
| Fabricantes | Conexant Systems | |
| Logotipo |  |
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Convergence Video
MPEG Encoders/Codecs
MPEG-2 Codec
CX23415
The CX23415 is a low-cost, full-duplex MPEG-2
codec that integrates the functionality of several
ICs in a single device
Conexant’s broadband communications portfolio includes a comprehensive
suite of semiconductor solutions that enable the digital home and information
network. The CX23415 codec is the industry’s first device to integrate such
features as MPEG-2 audio/video encoding and decoding, Transport stream
generation, and OSD control in a single chip. The versatile, full-duplex CX23415
actually incorporates the functionality of up to five different chips, allowing
Conexant™ to deliver this device at a price point that will enable consumer
electronics and personal computer companies to reduce dramatically the cost
of designing and manufacturing their next-generation digital video products.
Pre-filtering improvements in the CX23415 include built-in linear filters that
dynamically change or soften images in the pre-processing stage. As a result,
end-users obtain the best possible picture, even as the data rate is reduced
and the recording time is lengthened. Other video quality improvements
include a dramatically increased motion search range, the de-coupling of
motion estimation from encoders, and an adaptive quantization scheme. To
reduce the overall cost of the CX23415 and achieve the highest video quality,
Conexant devoted significant engineering resources to determining the optimal
balance between hardware and software implementation of these processing
improvements. The CX23415 incorporates an OSD for graphics control and
advanced GUI acceleration to support user interfaces and the display of
advanced menus containing broadcast and service information from electronic
program guides. The controller includes a BITBLT acceleration engine and
deflicker filter. It supports a variety of pixel formats, including 8-bit color index
and 32-bit RGBA 8:8:8:8.
Video In
Audio In
Compressed
Data In
MPEG-1/2
Video Encode
MPEG 1 Layer II
Audio Encode
Program/Transport
DVD VR+Video
MPEG 1 Layer II
Audio Decode
Program/TS/ES
Demux
MPEG-1/2
Video Decode
Scaler
BITBLT
Engine
OSD
Frame Buffer
Flicker
Reduction
Pixel
Blend
PCI or Embedded
Controller Interface
Compressed
Data Out
Audio Out
Video Out
PCI or Microcontroller
CX23415 Block Diagram
Distinguishing Features
• High-quality real-time encoding
• Supports MPEG-2 and MPEG-1
• Programmable GOP lengths
• Increased motion search range
• Reduced data rate and lengthened
recording time
• 452-ball PBGA
Part Number 060-002
Description CX23415 MPEG-2 Codec
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet CX23415.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| CX23415 | MPEG-2 Codec | Conexant Systems |
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