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DVXCEL

更新时间： 2024-01-10 13:41:42

品牌	Logo	应用领域
其他 - ETC		解码器编解码器
页数	文件大小	规格书
4页	768K
描述
DVxcel advanced MPEG-2 video and system codec

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中文翻译

获取价格

数据手册

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DVXCEL 数据手册

™

DVxcel Codecs for Video

Peripheral Applications

O V E R V I E W

™

The DVxcel -LE, DVxcel -VC and DVxcel -DT are the latest offerings in

the DVx family of products. DVxcel-LE is designed to enable very low-cost

video peripherals, based on MPEG-1 and MPEG-2 compression standards for

archiving and web-streaming applications. The DVxcel-VC, a single-chip

MPEG-2 codec capable of encoding and decoding video simultaneously,

is targeted at the emerging time-shift and digital video recording (DVR)

applications. The DVxcel-DT includes the same functionality and features as

the DVxcel-VC, with additional support for DV encode and decode as well

as transcoding from DV to MPEG-2; features that are critical for enabling

new video editing applications. All support both NTSC and PAL formats.

Based on LSI Logic’s fourth-generation video processor architecture,

these devices are optimized, both in hardware design and functionality, for

high-quality, low-cost video-centric consumer applications. Using LSI Logic’s

proven PerfectView encoding algorithm, this product family delivers the

highest quality video encoding with the lowest bit rate of any consumer-based

solution.

F E A T U R E S :

• Flexible 16/32-bit host interface

• Host DMA target or primary 8-bit

HW I/O ports for bitstream data

transfers

• Secondary 8-bit hardware port for

bitstream

T A R G E T A P P L I C A T I O N S

W e b S h a r i n g

• Tertiary 8-bit hardware port for bit-

stream transfer

Today an extensive amount of multimedia content is available on the

Web. As digital subscriber line (DSL) and cable modems become more popu-

lar, the need for high-quality, low bit rate video is increasing. The DVxcel’s

sophisticated MPEG-1 and -2 compression algorithms provide superior quality

and can accommodate bit rates as low as 384 Kbps. Video compression is

critical for Web sharing and distribution where file size is important.

• 8/10-bit ITU-656 video input port

• 8-bit ITU-656/601 video output port

(not available with DVxcel-LE)

• Serial audio interface for audio cap-

ture and playback

All the DVxcel devices utilize special

hardware to implement the following

algorithmic functions:

• Video compression pre-processing

• Motion estimation and compensation

• DCTs and IDCTs

• Variable-length encoding and decoding

• High-quality video scaling and com-

posting

The

Communications

Company

™

DVxcel Internal Block Diagram

12 3 4

中文翻译

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与DVXCEL相关器件

型号	品牌	获取价格	描述	数据表
DVXPERT	ETC	获取价格	DVxpert 5120/5140 MPEG video codecs for broadcast-quality interactive video networking and
DVXPERT?6110	ETC	获取价格	DVxpert?6110 single-chip encoder MPEG encoding for professional video broadcast and video
DVXPLORE	ETC	获取价格	DVxplore Video recording and playback for consumer PCs
DVXPRESS-MX25	ETC	获取价格	DVxpress-MX25/-MX50/and -MXT50 mixed-format codecs for non-linear editing/video server/and
DVY-110M0LE03	VISHAY	获取价格	Fixed Resistor, Carbon Film, 60W, 10000000ohm, 90000V, 15% +/-Tol,
DVY164MJB19V1	VISHAY	获取价格	RES CHAS MNT 164M OHM 5% 60W
DVZL0425	VISHAY	获取价格	Ceramic Singlelayer Feed-Through Capacitors 400VDC
DW	PANASONIC	获取价格	DW RELAYS
DW01	ETC	获取价格	one cell lithium-ion/Polymer Battery Protection IC
DW01	HOTTECH	获取价格	SOT-23-6

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