CN102263981A - 一种自动检测模拟电视pal制式的方法和装置 - Google Patents
一种自动检测模拟电视pal制式的方法和装置 Download PDFInfo
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- CN102263981A CN102263981A CN2010101899755A CN201010189975A CN102263981A CN 102263981 A CN102263981 A CN 102263981A CN 2010101899755 A CN2010101899755 A CN 2010101899755A CN 201010189975 A CN201010189975 A CN 201010189975A CN 102263981 A CN102263981 A CN 102263981A
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- carrier wave
- demodulation
- pal
- signal
- pal mode
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Abstract
Description
PAL-B/G | PAL-D/K | PAL-I | PAL-M | PAL-N | PAL-Nc | |
每帧行数 | 625 | 625 | 625 | 525 | 625 | 625 |
场频(Hz) | 50 | 50 | 50 | 60 | 50 | 50 |
带宽(MHz) | 7/8 | 7/8 | 8 | 6 | 6 | 6 |
色度副载波(MHz) | 4.43 | 4.43 | 4.43 | 3.58 | 3.58 | 3.58 |
音频副载波(MHz) | 5.5 | 6.5 | 6 | 4.5 | 5.5 | 4.5 |
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CN 201010189975 CN102263981B (zh) | 2010-05-25 | 2010-05-25 | 一种自动检测模拟电视pal制式的方法和装置 |
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CN 201010189975 CN102263981B (zh) | 2010-05-25 | 2010-05-25 | 一种自动检测模拟电视pal制式的方法和装置 |
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CN102263981A true CN102263981A (zh) | 2011-11-30 |
CN102263981B CN102263981B (zh) | 2013-07-10 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111416918A (zh) * | 2020-03-31 | 2020-07-14 | 高拓讯达(北京)科技有限公司 | 模拟电视频偏估计方法和装置 |
CN112911188A (zh) * | 2018-07-25 | 2021-06-04 | 杭州海康威视数字技术股份有限公司 | 视频信号制式识别方法、装置、电子设备及可读存储介质 |
US11930158B2 (en) | 2018-07-25 | 2024-03-12 | Hangzhou Hikvision Digital Technology Co., Ltd. | Video signal identification method and apparatus, electronic device and readable storage medium |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050212977A1 (en) * | 2004-03-29 | 2005-09-29 | Ati Technologies Inc. | Audio/video separator |
CN1856116A (zh) * | 2005-04-26 | 2006-11-01 | 株式会社东芝 | 电子设备和播送标准判定方法 |
CN2888774Y (zh) * | 2005-04-08 | 2007-04-11 | 联发软件设计(深圳)有限公司 | 自动判断电视标准的装置 |
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2010
- 2010-05-25 CN CN 201010189975 patent/CN102263981B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050212977A1 (en) * | 2004-03-29 | 2005-09-29 | Ati Technologies Inc. | Audio/video separator |
CN2888774Y (zh) * | 2005-04-08 | 2007-04-11 | 联发软件设计(深圳)有限公司 | 自动判断电视标准的装置 |
CN1856116A (zh) * | 2005-04-26 | 2006-11-01 | 株式会社东芝 | 电子设备和播送标准判定方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112911188A (zh) * | 2018-07-25 | 2021-06-04 | 杭州海康威视数字技术股份有限公司 | 视频信号制式识别方法、装置、电子设备及可读存储介质 |
US11930158B2 (en) | 2018-07-25 | 2024-03-12 | Hangzhou Hikvision Digital Technology Co., Ltd. | Video signal identification method and apparatus, electronic device and readable storage medium |
CN111416918A (zh) * | 2020-03-31 | 2020-07-14 | 高拓讯达(北京)科技有限公司 | 模拟电视频偏估计方法和装置 |
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CN102263981B (zh) | 2013-07-10 |
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