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參數(shù)資料
| 型號： | L64105QC-27 |
| 廠商： | LSI CORP |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP160 |
| 封裝： | PLASTIC, QFP-160 |
| 文件頁數(shù)： | 27/30頁 |
| 文件大?。?/td> | 239K |
| 代理商： | L64105QC-27 |
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6
MPEG-2 Audio/Video Decoder
Video and Audio Decoding
The L64105 can decode separate video and audio ESs, A/V PES (from
transport decoders), and PES containing both audio and video streams.
In addition, the PES decoding can parse critical headers for presentation
time stamp (PTS) and decoding time stamp (DTS) information needed
for video and audio synchronization.
Video Decoding
This section includes a description of all the major components involved
in handling and decoding video. Topics include:
Video Decoder
The L64105 operates optimally at image sizes up to 720 x 480 pixels,
with a frame rate of 30 fps for NTSC (or 720 x 576 at 25 fps for PAL).
These resolutions are sometimes referred to as Main Prole at Main
Level of MPEG-2. Therefore, the L64105 can also decode MPEG-1
sequences. The coded data channel may have a sustained bit rate of up
to 20 Mbit/s. The L64105 also supports images with resolution lower than
720 x 480 pixels (as described in the next paragraph).
Video Postprocessing Filters and Letterbox Display
Images with resolutions below 720 x 480 pixels are interpolated to full
size using on-chip lters. This allows programming produced at different
resolutions to be decoded and displayed on televisions with standard
NTSC or PAL timing, and it allows the use of digital or analog NTSC or
PAL encoders operating at standard television frequencies (typically
27 MHz). In addition, the lters provide the capability to pan and scan
the MPEG image to 1/8-pixel accuracy. The L64105 also supports 16:9
letterboxing with an integrated vertical lter for 3/4 decimation (720 x 480
images are decimated to 720 x 360 pixels).
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| L64111 | 制造商:LSI 制造商全稱:LSI 功能描述:MPEG AUDIO DECODER TECHNICAL MANUAL |
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| L64118 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:L64118 Transport with embedded MIPS CPU |
| L64133-10GC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Arithmetic Processor |
| L64133-12GM | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Arithmetic Processor |
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