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參數(shù)資料
| 型號： | VW2010 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 視頻Codec |
| 英文描述： | MPEG-1, -2, -4 Audio/Video CODEC Chip |
| 中文描述： | 的MPEG - 1，-4音頻-2 /視頻編解碼芯片 |
| 文件頁數(shù)： | 2/2頁 |
| 文件大?。?/td> | 358K |
| 代理商： | VW2010 |
5300 Stevens Creek Blvd., Suite 450, San Jose, CA 95129 Tel:(408) 615-1888 URL: www.vwebcorp.com
Page 2 of 2
3/29/02
MPEG Bitstream Input (Decoder)
8-bit / 1-bit compressed data input
interface (CDI)
Host/PCI interface
A/V Output Interfaces
Compressed Output (Encoder)
8-bit / 1-bit compressed data output
interface (CDO)
Host/PCI interface
Uncompressed Output (Decoder)
Video: 8-bit ITU-R.BT-656
Audio: one I2S, and one IEC-958 S/PDIF
digital audio or IEC-61937 compressed
audio
VBI, user data:
1-bit (serial) bitstream using IDC or
GPIO interface
Embedded in 8-bit video bitstream
General System Facts
162 MHz MIPS-like RISC processor
with DSP extensions for multiplexing,
demultiplexing, audio encoding and
audio decoding
365-pin PBGA package; physical
dimensions: 27 mm by 27 mm
Input voltages:
1.8 V internal
3.3 V I/O
Estimated power consumption under
1.0 W in normal operating mode; onchip
power management
Boundary scan and assembly testing
compliant with IEEE 1149.1 (JTAG)
and EPI EJTAG 2.0 (extended JTAG)
Applications
The VW2010 is ideally suited for the
following consumer applications:
Camcorders and network cameras
Personal video recorder
Set-top boxes
PC capture devices for video capture,
content creation, and display
Demultiplexing
Input
System, program and transport stream
Output
Program clock recovery (PCR)
7 output buffers: 1 video, 4 audio, 1
PSI, 1 user (subtitle, Teletext)
Graphics
Background (solid color) plane
MPEG video plane
Two 32-bit ARGB (RGB with
alphablending) or AYUV (YUV with
alphablending) 8:8:8:8 graphics planes
Cursor plane
2-, 4- or 8-bit color indexing
0.5X or 2X vertical scaling; arbitrary
horizontal scaling on 16-pixel boundaries
(letterboxing, QSIF to SIF, SIF to
D1, D1 to SIF, SIF to QSIF)
Per-pixel alpha-blending
Deflicker filter
Interfaces
Host Interfaces
8- or 16-bit Motorola-style interface, or
16-bit Intel-style interface, or
PCI interface: 32 bits, 33 MHz.
System Interfaces
GPIO (general purpose input/output):
12 pins
IDC (inter-device communications,
similar to Philips I2C)
SDRAM
32-bit memory interface, using 1Mx16-
5 or 2Mx32-5 SDRAM
Minimum SDRAM requirement: 4 MB
for encoder, 4 MB for decoder
A/V Input Interfaces
Uncompressed Input (Encoder)
Video: 8-bit ITU-R.BT-656
Audio: I2S (2 each)
VBI, user data: 8-bit video input
VCD, Super-VCD and DVD player
and recorder
Cellular phones and PDAs
In addition, the VW2010 is suited for the
following network applications:
Streaming video distribution over
DSL, cable, ethernet, fiber and wireless
networks
Transcoding and transrating among
MPEG-1, -2, - 4 and H.263
Video conferencing
Security / surveillance
Video-on-demand servers
Features and Benefits
Saves money and power
Uses less than 8 MB of external
SDRAM
Uses 32-bit SDRAM interface
Proprietary motion estimation algorithm
Decreases time to market
Easy to setup and configure
Superior video quality
The rate control algorithm monitors
60 different variables, which results in
a more consistent GOP structure;
thus, scene changes are handled well.
Superior flexibility
Dynamically programmable frame
rates, bit rates, resolution and low delay
mode
Programmable GOP structure
Transcoding and transrating among
MPEG-1, -2, - 4 and H.263
Superior ingenuity
MPEG-1, -2, -4 full-D1 interlaced
encoder/decoder
Low latency support
MPEG-4 short header support (H.263
baseline support)
VW2010 MPEG-1, -2, -4 Audio/Video CODEC Chip
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