JP2000196958A5 - - Google Patents

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JP2000196958A5
JP2000196958A5 JP1998372836A JP37283698A JP2000196958A5 JP 2000196958 A5 JP2000196958 A5 JP 2000196958A5 JP 1998372836 A JP1998372836 A JP 1998372836A JP 37283698 A JP37283698 A JP 37283698A JP 2000196958 A5 JP2000196958 A5 JP 2000196958A5
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Prior art keywords
information
character
video
video signal
signal processing
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JP1998372836A
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JP2000196958A (en
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Priority to JP10372836A priority Critical patent/JP2000196958A/en
Priority claimed from JP10372836A external-priority patent/JP2000196958A/en
Publication of JP2000196958A publication Critical patent/JP2000196958A/en
Publication of JP2000196958A5 publication Critical patent/JP2000196958A5/ja
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Claims (11)

映像情報と当該映像情報の映像上に重畳表示すべき文字情報の入力手段と、
当該文字情報に応じた文字映像信号を発生する文字発生手段と、
当該入力手段からの当該映像情報の明るさを当該文字情報の表示領域において低減して、当該文字情報の表示領域において当該文字映像信号を重畳する重畳手段
とからなることを特徴とする映像信号処理装置。Means for inputting video information and text information to be superimposed on the video information;
A character generating means for generating a character video signal corresponding to the character information;
Video signal processing characterized by comprising: superimposing means for reducing the brightness of the video information from the input means in the character information display area and superimposing the character video signal in the character information display area apparatus. 映像情報と当該映像情報の映像上に重畳表示すべき文字情報の入力ステップと、
当該文字情報に応じた文字映像信号を発生する文字発生ステップと、
当該入力ステップからの当該映像情報の明るさを当該文字情報の表示領域において低減して、当該文字情報の表示領域において当該文字映像信号を重畳する重畳ステップ
とからなることを特徴とする映像信号処理方法。An input step of video information and text information to be superimposed on the video of the video information;
A character generation step for generating a character video signal corresponding to the character information;
Video signal processing comprising: a superimposing step of reducing the brightness of the video information from the input step in the character information display region and superimposing the character video signal in the character information display region Method. 当該入力ステップが、放送信号から所定チャンネルの当該映像情報及び当該文字情報を抽出する抽出ステップである請求項２に記載の映像信号処理方法。The video signal processing method according to claim 2 , wherein the input step is an extraction step of extracting the video information and the character information of a predetermined channel from the broadcast signal. 当該放送信号において、当該文字情報は、当該映像情報の所定信号部分に多重化されている請求項３に記載の映像信号処理装置。4. The video signal processing apparatus according to claim 3 , wherein in the broadcast signal, the character information is multiplexed with a predetermined signal portion of the video information. 当該重畳ステップは、当該入力ステップからの当該映像情報の明るさを低減する低減ステップと、当該文字情報の表示領域以外では、当該入力ステップからの当該映像情報を選択し、当該文字情報の表示領域内では当該低減ステップの出力に当該文字発生ステップからの文字映像信号を重畳した信号を選択する選択ステップとからなる請求項２に記載の映像信号処理方法。The superimposing step selects the video information from the input step, except for the reduction step for reducing the brightness of the video information from the input step, and the display region for the character information, and displays the character information display region. The video signal processing method according to claim 2 , further comprising a selection step of selecting a signal in which the character video signal from the character generation step is superimposed on the output of the reduction step. 当該低減ステップは、ビットシフトからなる請求項５に記載の映像信号処理方法。6. The video signal processing method according to claim 5 , wherein the reduction step includes a bit shift. 当該重畳ステップは、当該入力ステップからの当該映像情報の明るさを当該文字情報の表示領域において低減する程度を、時間に応じて変化させる請求項２に記載の映像信号処理方法。The video signal processing method according to claim 2 , wherein the superimposing step changes the degree to which the brightness of the video information from the input step is reduced in the display area of the character information according to time. 当該重畳ステップは、当該入力ステップからの当該映像情報に与えるオフセット信号を周期的に変化させる請求項７に記載の映像信号処理方法。The video signal processing method according to claim 7 , wherein the superimposing step periodically changes an offset signal applied to the video information from the input step. 当該低減ステップは、当該入力ステップからの当該映像情報の明るさを低減する程度を、時間に応じて変化させる請求項５に記載の映像信号処理方法。The video signal processing method according to claim 5 , wherein the reduction step changes the degree of reducing the brightness of the video information from the input step according to time. 当該低減ステップは、当該入力ステップからの当該映像情報に与えるオフセット信号を周期的に変化させる請求項９に記載の映像信号処理方法。The video signal processing method according to claim 9 , wherein the reduction step periodically changes an offset signal applied to the video information from the input step. 映像情報と当該映像情報の映像上に重畳表示すべき文字情報の入力ステップと、
当該文字情報に応じた文字映像信号を発生する文字発生ステップと、
当該入力ステップからの当該映像情報の明るさを当該文字情報の表示領域において低減して、当該文字情報の表示領域において当該文字映像信号を重畳する重畳ステップ
とからなる映像信号処理方法を実行するプログラム・ソフトウエアを記憶する記憶媒体。An input step of video information and text information to be superimposed on the video of the video information;
A character generation step for generating a character video signal corresponding to the character information;
A program for executing a video signal processing method comprising a superimposing step of reducing the brightness of the video information from the input step in the character information display area and superimposing the character video signal in the character information display area A storage medium for storing software.
JP10372836A 1998-12-28 1998-12-28 Video signal processor, video signal processing method and recording medium Pending JP2000196958A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10372836A JP2000196958A (en) 1998-12-28 1998-12-28 Video signal processor, video signal processing method and recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10372836A JP2000196958A (en) 1998-12-28 1998-12-28 Video signal processor, video signal processing method and recording medium

Publications (2)

Publication Number Publication Date
JP2000196958A JP2000196958A (en) 2000-07-14
JP2000196958A5 true JP2000196958A5 (en) 2005-07-07

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JP10372836A Pending JP2000196958A (en) 1998-12-28 1998-12-28 Video signal processor, video signal processing method and recording medium

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007081985A (en) * 2005-09-15 2007-03-29 Sony Corp Electronic apparatus with emergency warning reception function
JP5245235B2 (en) * 2006-09-29 2013-07-24 セイコーエプソン株式会社 Image display device and image display method
EP1976278A1 (en) * 2007-03-31 2008-10-01 Sony Deutschland Gmbh Method and device for displaying a message on a television screen

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