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參數(shù)資料
| 型號(hào)： | ADV7184 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Multiformat SDTV Video Decoder with Fast Switch Overlay Support |
| 中文描述： | 標(biāo)清多格式視頻解碼器支持快速開關(guān)重疊 |
| 文件頁(yè)數(shù)： | 29/108頁(yè) |
| 文件大?。?/td> | 925K |
| 代理商： | ADV7184 |
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ADV7184
Rev. 0 | Page 29 of 108
0
AUTO SELECT LUMA
SHAPING FILTER TO
SET YSFM
YSFM IN AUTO MODE
00000 OR 00001
VIDEO
QUALITY
BAD
GOOD
SFILTER AS PER
WYSFM[4:0]
WIDEBAND FILTER
WYSFMOVR
1
0
FIGOOD AND BAD VIDEO
YES
NO
Figure 15. YSFM and WYSFM Control Flowchart
In automatic mode, the system preserves the maximum possible
bandwidth for good CVBS sources (since they can successfully
be combed) as well as for luma components of YPrPb and YC
sources, since they need not be combed. For poor quality
signals, the system selects from a set of proprietary shaping
filter responses that complements comb filter operation in order
to reduce visual artifacts. The decisions of the control logic are
shown in Figure 15.
YSFM[4:0] Y Shaping Filter Mode, Address 0x17 [4:0]
The Y shaping filter mode bits allow the user to select from a
wide range of low-pass and notch filters. When switched in
automatic mode, the filter is selected based on other register
selections, such as detected video standard, as well as properties
extracted from the incoming video itself, such as quality and
time base stability. The automatic selection always picks the
widest possible bandwidth for the video input encountered.
If the YSFM settings specify a filter (that is, YSFM is set to
values other than 00000 or 00001), the chosen filter is applied to
all video, regardless of its quality.
In automatic selection mode, the notch filters are used only for
bad quality video signals. For all other video signals, wideband
filters are used; see Table 36.
WYSFMOVR Wideband Y Shaping Filter Override,
Address 0x18,[7]
Setting the WYSFMOVR bit enables use of the WYSFM[4:0]
settings for good quality video signals. For more information,
refer to the general discussion of the luma shaping filters in the
Y-Shaping Filter section and the flowchart shown in Figure 15.
0—The shaping filter for good quality video signals is selected
automatically.
1 (default)—Enables manual override via WYSFM[4:0].
Table 36. YSFM Function
YSFM[4:0]
00000
Description
Automatic selection including a wide notch
response (PAL/NTSC/SECAM)
Automatic selection including a narrow
notch response (PAL/NTSC/SECAM)
SVHS 1
SVHS 2
SVHS 3
SVHS 4
SVHS 5
SVHS 6
SVHS 7
SVHS 8
SVHS 9
SVHS 10
SVHS 11
SVHS 12
SVHS 13
SVHS 14
SVHS 15
SVHS 16
SVHS 17
SVHS 18 (CCIR 601)
PAL NN 1
PAL NN 2
PAL NN 3
PAL WN 1
PAL WN 2
NTSC NN 1
NTSC NN 2
NTSC NN 3
NTSC WN 1
NTSC WN 2
NTSC WN 3
Reserved
00001 (default)
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
10000
10001
10010
10011
10100
10101
10110
10111
11000
11001
11010
11011
11100
11101
11110
11111
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PDF描述 |
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| ADV7184BSTZ | Multiformat SDTV Video Decoder with Fast Switch Overlay Support |
| ADV7188 | Multiformat SDTV Video Decoder with Fast Switch Overlay Support |
| ADV7189B | Multiformat SDTV Video Decoder |
| ADV7189BBSTZ268H | Multiformat SDTV Video Decoder |
| ADV7189BKSTZ10F | Multiformat SDTV Video Decoder |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADV7184BSTZ | 功能描述:IC DECODER VID SDTV MULTI 80LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| ADV7185 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Professional NTSC/PAL Video Decoder with 10-Bit CCIR656 Output |
| ADV7185KST | 制造商:AD 制造商全稱:Analog Devices 功能描述:Professional NTSC/PAL Video Decoder with 10-Bit CCIR656 Output |
| ADV7186 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Video Decoder and Display Processor |
| ADV7186BBCZ | 功能描述:IC VIDEO DECODER 196CSPBGA RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064 |
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