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參數(shù)資料
| 型號(hào)： | ZIVA-5 |
| 英文描述： | ZiVA-5 TrueScan? Progressive-Scan DVD |
| 中文描述： | 基瓦- 5 TrueScan？逐行掃描DVD |
| 文件頁(yè)數(shù)： | 5/9頁(yè) |
| 文件大?。?/td> | 231K |
| 代理商： | ZIVA-5 |
4
In some cases the Telecine and/or the video encode process fails. When this occurs,
the video (3:2 pull-down) or information in the DVD video stream is incorrect. This
typically creates problems for some de-interlacers, causing very unpleasant motion
artifacts.
Motion Artifacts
In some progressive-scan solutions artifacts are created when de-interlacers incorrectly
pair fields that do not belong to the same original progressive frame. This causes errors
in the video, referred to as motion artifacts.
TODAY’S SOLUTIONS
There are two types of 480P reconstruction strategies incorporated in DVD-Video
players and as a part of home theater systems today.
Discrete de-interlacer chipsets
External de-interlacer system component products
Discrete De-interlacer Chipsets
Digital video from the DVD decoder is processed by an additional de-interlacer chipset,
as shown in Figure 4. The de-interlacer chipset typically uses a high-performance,
general-purpose video processor that is designed into a DVD player to reconstruct 480P
video from the raw interlaced video itself.
Drawbacks of Discrete De-interlacer Chipsets
General purpose: The processing doesn’t have knowledge of the information
embedded in the DVD video and thus cannot take advantage of it.
Additional cost: The cost of the de-interlacer chipset is typically more than the cost of
the DVD decoder. A larger, more complex and costly DVD decoder board must also
be used. This approach does not enable mainstream consumer price points.
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