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參數(shù)資料
| 型號(hào)： | CXD1856R |
| 廠商： | Sony Corporation |
| 英文描述： | MPEG1 Decoder |
| 中文描述： | MPEG1解碼器 |
| 文件頁數(shù)： | 23/31頁 |
| 文件大小： | 395K |
| 代理商： | CXD1856R |
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CXD1856Q/R
4-4. System Decoder Function
The MPEG1 system layer (ISO/IEC 11172-1) is decoded, the audio and video bit streams are separated, and
each bit stream is transferred to the respective bit stream buffer.
The MPEG1 bit stream input can be selected from either the built-in CD-ROM decoder or the host interface.
The system decoder has a 128-word (256-byte) FIFO for the bit stream input.
Audio and video sync playback are controlled according to the time stamp within the bit stream.
4-5. Video Decoder Function
The MPEG1 video layer (ISO/IEC 11172-2) is decoded. This function supports the range where
constrained_parameter_flag = "1" and video CD high resolution still picture.
Video CD high resolution still picture (NTSC, PAL) can be decoded with a single external 4-Mbit DRAM.
Special decoding functions are as follows. Slow playback, fast forward and other modes can be realized by
combining these functions.
I-Play: Only I-Pictures are decoded.
Still (Pause): Decoding is paused.
1 Frame Play: Only one frame (picture) is decoded.
IP-Play: Only I and P-Pictures are decoded.
IPB-Play: Alternate frames of continuous B-Pictures and all I and P-Pictures are decoded.
This function supports digest play.
The various information in the bit stream is loaded to the on-memory register area within the external DRAM.
4-6. Video Post Processor and Sync Generator Functions
The image data output format can be selected from 24-bit RGB, 24-bit YCbCr and 16-bit YCbCr. See the
following page.
Fade in and fade out are allowed.
Image enlargement and reduction are allowed.
The CXD1856Q/R contains an OSD color table and selector, and OSD display is achieved by inputting the
OSD character signal.
The video sync signal can be generated using the built-in sync generator. Image data can also be output in
sync with an externally input video sync signal.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| CXD1910AQ | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Digital Video Encoder |
| CXD1913AQ | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Digital Video Encoder |
| CXD1913Q | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Color Encoder Circuit |
| CXD1914Q | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Digital Video Encoder |
| CXD1915R | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Digital Video Encoder |
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