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參數資料
| 型號： | IBM39MPEGS422PBA17C |
| 文件頁數： | 1/25頁 |
| 文件大小： | 112K |
| 代理商： | IBM39MPEGS422PBA17C |
Sseries_sds_071701.fm.
02
July 17, 2001
IBM39MPEGS42x
IBM39MPEGSI
Summary Data Sheet
MPEG S422, MPEG S420 and MPEG SI Encoders
Features
1 of 25
Features
S422 Encoder Features
Supports 4:2:2 Profile at Main Level (422P@ML),
Main Profile at Main Level (MP@ML), Main Profile
at High Level (MP@HL) and Simple Profile at Main
Level (SP@ML)
IPB, IP, IBI picture video compression mode with up
to 2B pictures between references
Real-time encoding up to:
- 720x512 NTSC in 4:2:2 or 4:2:0 chroma for-
mat
- 720x608 PAL in 4:2:2 or 4:2:0 chroma for-
mat
Conversion of 704x512x60 fps and image sizes to
HHR (1/2D1) and SIF sizes
Field or frame encoding
Produces compressed data rates up to 50Mb/s
Supports motion estimation search range up to +/-
101H, +/- 64V
Selectable MPEG-1 or MPEG-2 encoding format
Adaptive field or frame motion estimation to half-pel
accuracy
Adaptive field or frame DCT
Automatic adaptive quantization and rate controls
Automatic scene change detection
Support for dynamic GOP encoding
Supports CBR,VBR and statistical multiplexing
encoding
Outputs picture statistics
Repeat field detection (3/2 pulldown inversion)
Includes hardware functions for performance and
programmable functions for flexibility
8-bit CCIR 656 or 16-bit CCIR 601 input
16-bit generic host interface
Outputs compressed data to FIFO or field memory
External FIFO feedback for dynamic rate control
Insertion of user data in encoded stream
Selectable 8 to 11 bit DC precision
Frame accurate start/stop
User-specifiable quantizer tables
Optimization of luma and chroma encoding utilizing
separate quantization tables
Programmable conversion of 4:2:2 chroma format to
4:2:0 chroma format
Selectable compression parameters and controls
Interfaces directly to standard 3.3 V/5.0 V
SDRAM/SGRAM/SSRAM
JTAG for system test
CMOS 0.27
μ
m technology packaged in 35 mm
plastic ball grid array module with 352 I/Os and 4.4
watts nominal power dissipation.
Part number: IBM39MPEGS422PBA17C
S420 Encoder Features
Supports MPEG-2 Main Profile at Main Level
(MP@ML) plus extensions, Main Profile at High
Level (MP@HL) and Simple Profile at Main Level
(SP@ML)
IPB, IP, IBI and I picture video compression modes
with up to 2B pictures between references
Real-time encoding in 4:2:0 format up to:
720x480 NTSC
720x576 PAL
Conversion of 720x480x60 fps and 720x576x50 fps
image sizes to HHR (1/2 D1) and SIF sizes
Field or frame encoding
Produces compressed data rates up to 50Mb/s
Supports motion estimation search range up to +/-
101H, +/- 64V
Selectable MPEG-1 or MPEG-2 encoding format
Adaptive field or frame motion estimation to half-pel
accuracy
Adaptive field or frame DCT
Automatic adaptive quantization and rate controls
Automatic scene change detection
Support for dynamic GOP encoding
Supports CBR,VBR and statistical-multiplexing
encoding
Outputs picture statistics
Repeat field detection (3/2 pulldown inversion)
Includes hardware functions for performance and
programmable functions for flexibility
8-bit CCIR 656 or 16-bit CCIR 601 input
16-bit generic host interface
.
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