JPH01152876A - Video signal reproducing device - Google Patents
Video signal reproducing deviceInfo
- Publication number
- JPH01152876A JPH01152876A JP62311738A JP31173887A JPH01152876A JP H01152876 A JPH01152876 A JP H01152876A JP 62311738 A JP62311738 A JP 62311738A JP 31173887 A JP31173887 A JP 31173887A JP H01152876 A JPH01152876 A JP H01152876A
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- special effect
- circuit
- signal
- processing circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000694 effects Effects 0.000 claims abstract description 58
- 206010047571 Visual impairment Diseases 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract description 4
- 230000006798 recombination Effects 0.000 abstract 1
- 238000005215 recombination Methods 0.000 abstract 1
- 230000005236 sound signal Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Television Signal Processing For Recording (AREA)
- Studio Circuits (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は映像信号再生装置に関し、より具体的には、再
生映像信号に各種の特殊効果を付与する映像信号再生装
置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a video signal reproducing device, and more specifically to a video signal reproducing device that imparts various special effects to a reproduced video signal.
、〔従来の技術とその問題点〕
カメラ一体型ＶＴＲの普及により、旅行時の風景撮影、
スポーツ撮影、子供の成長記録など、個人が輪作りに関
心を持ち始めるに従い、フェード・イン／フェード・ア
ウト、残像、尾引き、静止画抽出、部分拡大／縮小など
の特殊効果を手軽に施したいという要望が生まれてきた
。, [Conventional technology and its problems] With the spread of camera-integrated VTRs, landscape photography while traveling,
As individuals become more interested in ring-making for sports photography, children's growth records, etc., they want to easily apply special effects such as fade-in/fade-out, afterimage, trailing, still image extraction, and partial enlargement/reduction. A demand has arisen.
従来、再生映像信号に各種の特殊効果を施して他のＶＴ
Ｒに記録することが行われている。しかし、この方法で
は少なくとも２台のＶＴＲが必要であり、個人では手軽
には行えない。また、再生映像信号に特殊効果を施した
映像信号を、原磁気テープに記録するようにすると、オ
リジナルの記録が残らないので、特殊効果付与に失敗し
た場合に取り返しがつかないという問題点がある。Conventionally, various special effects have been applied to the reproduced video signal and used for other VTs.
Recording is being performed in R. However, this method requires at least two VTRs, and cannot be easily performed by an individual. Furthermore, if a video signal with special effects applied to the reproduced video signal is recorded on the original magnetic tape, the original recording will not remain, so there is a problem that if the special effect fails, it cannot be undone. .
そこで、本発明は、オリジナルの記録映像自体には影響
を与えず、且つ所望の特殊効果を得ることのできる映像
信号再生装置を提示することを目的とする。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a video signal reproducing device that can obtain desired special effects without affecting the original recorded video itself.
本発明に係る映像信号再生装置は、映像信号及び当該映
像信号に付与すべき特殊効果に関する情報を当該映像信
号とは異なる領域に記録する記録媒体と、当該記録媒体
の記録信号を再生する再生手段と、当該再生手段により
再生された特殊効果情報に従う特殊効果を、当該再生手
段からの再生映像信号に施して出力する特殊効果付与手
段とからなることを特徴とする。A video signal reproducing device according to the present invention includes a recording medium that records a video signal and information regarding special effects to be added to the video signal in an area different from the video signal, and a reproducing unit that reproduces the recorded signal of the recording medium. and a special effect imparting means for applying a special effect according to the special effect information reproduced by the reproduction means to the reproduced video signal from the reproduction means and outputting the result.
映像信号と、当該映像信号に施すべき特殊効果に関する
情報とを記録媒体の別の領域に記録するので、特殊効果
の設定・付与に失敗したとしても、映像信号自体は損な
われない。また、特殊効果の変更を行う場合にも、その
特殊効果情報を記録する部分の変更で済むので、映像信
号自体は何の影響も受けない。Since the video signal and information regarding the special effects to be applied to the video signal are recorded in separate areas of the recording medium, the video signal itself will not be damaged even if the setting or application of the special effect fails. Further, even when changing the special effects, it is sufficient to change the part where the special effect information is recorded, so the video signal itself is not affected in any way.
以下、図面を参照して本発明の一実施例を説明する。第
１図はカメラ一体型８ミリＶＴＲに本発明を適用した一
実施例の記録系の構成ブロック図を示し、第２図はその
再生系の構成ブロック図を示す。本実施例では、撮影時
に特殊効果情報を、ＰＣＭ化されたオーディオ信号を記
録する音声ＰＣＭ ’ｐｆＪ域にオーディオ・データと
共に記録する付加データであるところのＩＤ情報として
記録する。Hereinafter, one embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows a block diagram of the structure of a recording system of an embodiment in which the present invention is applied to a camera-integrated 8 mm VTR, and FIG. 2 shows a block diagram of the structure of its reproduction system. In this embodiment, special effect information is recorded at the time of photographing as ID information, which is additional data that is recorded together with audio data, in the audio PCM 'pfJ area where PCM audio signals are recorded.
第１図において、１０は被写体像を電気信号に変換する
撮像回路、１２は撮像回路ｌＯの出力を輝度信号及び色
信号に分離し、ＡＧＣ，ｒ補正などの処理を施した後、
再び合成してコンポジット ゛・ビデオ信号にして
出力する映像信号処理回路、１４は映像信号処理回路１
２からのコンポジット・ビデオ信号を再び輝度信号と色
信号とに分離し、輝度信号はＦＭ変調し、色信号はＦＭ
ｆｉ度信号の低域に周波数変換した後再合成する映像信
号記録処理回路、１６は映像信号記録処理回路１４の出
力に、後述するＦＭ音声信号を混合する混合回路、１８
は混合回路１６からの信号を磁気ヘッド２０゜２２に振
り分けるゲート回路、２４は磁気テープである。In FIG. 1, 10 is an imaging circuit that converts a subject image into an electrical signal, and 12 is an imaging circuit that separates the output of the imaging circuit 10 into a luminance signal and a color signal, and after performing processing such as AGC and r correction,
14 is a video signal processing circuit 1 which synthesizes the composite again and outputs it as a composite video signal.
The composite video signal from 2 is again separated into a luminance signal and a chrominance signal, the luminance signal is FM modulated and the chrominance signal is FM modulated.
a video signal recording processing circuit that converts the frequency of the FM signal into a low frequency range and then resynthesizes it; 16 a mixing circuit that mixes an FM audio signal, which will be described later, with the output of the video signal recording processing circuit 14; 18;
2 is a gate circuit that distributes the signal from the mixing circuit 16 to the magnetic heads 20 and 22, and 24 is a magnetic tape.
２６は２チヤンネルの音声信号を形成するマイクロフォ
ン、２８はオーディオ・アンプ、３０は、２チヤンネル
の音声信号を１チヤンネルに合成又は１チヤンネルを選
択し、前記ＦＭ輝度信号と低域色信号との間の帯域にＦ
Ｍ変調して出力する音声信号記録処理回路、３２は、２
チヤンネルの音声信号をＰＣＭ化した後、時間軸圧縮し
て出力するＰＣＭエンコーダ、３４はＰＣＭエンコーダ
３２の出力を磁気ヘッド２０．２２に振り分けるゲート
回路である。３６は、撮影者の指示により特殊効果指令
信号を発生する特殊効果指令発生回路１．３８は特殊効
果指令発生回路３６からの特殊効果情報をコード化して
Ｐ ＣＭ ？ｉＭ域内のＩＤ挿入タイミングで出力する
ＩＤ処理回路である。特殊効果の例については後述する
。26 is a microphone for forming two channels of audio signals; 28 is an audio amplifier; 30 is for combining the two channels of audio signals into one channel or selecting one channel, and for connecting the FM luminance signal and the low-frequency color signal; F in the band of
The audio signal recording processing circuit 32 that outputs M-modulated signals is 2
A PCM encoder converts the audio signal of the channel into PCM, compresses the time axis, and outputs the signal. 34 is a gate circuit that distributes the output of the PCM encoder 32 to the magnetic heads 20 and 22. 36 is a special effect command generation circuit 1 that generates a special effect command signal according to instructions from the photographer. 38 is a special effect command generation circuit 1 that encodes special effect information from the special effect command generation circuit 36 and outputs PCM? This is an ID processing circuit that outputs at the ID insertion timing within the iM area. Examples of special effects will be described later.
本実施例において、磁気ヘッド２０．２２は記録と再生
に兼用される。In this embodiment, the magnetic heads 20 and 22 are used for both recording and reproduction.
第１図の記録系の動作を説明する。撮影者は、撮影して
いる被写体に応じて、例えば残像、尾引き、静止画抽出
、部分拡大／縮小などの特殊効果を選択し、特殊効果指
令発生回路３６から相応する特殊効果情報を発生させる
。すると、撮影回路１０からの映像信号自体には何の処
理も加えないで、特殊効果情報が撮影映像信号と同時に
、ｐｃＭ−ＩＤとして磁気テープ２４に記録される。Ｐ
ＣＭ−１０とは、ＰＣＭエリア内で音声信号以外に１フ
イールド当たり６ワード（４８ビツト）記録できる付加
情報のことである。第５図に磁気テープ２４の記録フォ
ーマットを示す。The operation of the recording system shown in FIG. 1 will be explained. The photographer selects a special effect, such as afterimage, trailing, still image extraction, partial enlargement/reduction, etc., depending on the subject being photographed, and generates corresponding special effect information from the special effect command generation circuit 36. . Then, the special effect information is recorded on the magnetic tape 24 as a pcM-ID simultaneously with the photographed video signal without applying any processing to the video signal itself from the photographing circuit 10. P
CM-10 is additional information that can be recorded in 6 words (48 bits) per field in addition to the audio signal within the PCM area. FIG. 5 shows the recording format of the magnetic tape 24.
第２図の再生系を説明する。４０は、磁気ヘッド２０．
２２で再生される映像信号を取り出すゲート回路、４２
は、ゲート回路４０からの再生映像信号から輝度信号成
分と色信号成分とを分離し、輝度信号成分についてはＦ
Ｍ復調、色信号成分については周波数逆変換した後、再
合成して出力する映像信号再生処理回路、４４は、ゲー
ト回路４０の出力から音声信号を分離し、ＦＭ復調して
出力する音声信号再生処理回路である。４６は磁気ヘッ
ド２０．２２で再生されるＰＣＭ信号を取り出すゲート
回路、４８はゲート回路４６からのＰＣＭ信号を時間軸
伸長して復号するＰＣＭデコーダ、５０は、ＰＣＭデコ
ーダ４８からのＰＣＭ信号からＩＤ部分を分離して、記
録時に記録された特殊効果情報を再生するＩＤ処理回路
である。特殊効果回路５２は、映像信号再生処理回路４
２からの再生映像信号に対し、ＩＤ処理回路５０からの
特殊効果情報に応じた特殊効果を施して出力する。特殊
効果回路５２の詳細は後述する。The reproduction system shown in FIG. 2 will be explained. 40 is a magnetic head 20.
a gate circuit 42 for taking out the video signal reproduced by 22;
separates the luminance signal component and color signal component from the reproduced video signal from the gate circuit 40, and as for the luminance signal component, F
44 is an audio signal reproducing circuit that separates an audio signal from the output of the gate circuit 40, performs FM demodulation, and outputs it. It is a processing circuit. 46 is a gate circuit that takes out the PCM signal reproduced by the magnetic heads 20 and 22; 48 is a PCM decoder that expands the PCM signal from the gate circuit 46 on the time axis and decodes it; and 50 is an ID from the PCM signal from the PCM decoder 48. This is an ID processing circuit that separates parts and reproduces special effect information recorded during recording. The special effects circuit 52 includes the video signal reproduction processing circuit 4
A special effect is applied to the reproduced video signal from 2 in accordance with the special effect information from the ID processing circuit 50, and the result is output. Details of the special effects circuit 52 will be described later.
５４はＴＶモニタ装置、５６は、音声信号再生処理回路
４４の出力及びＰＣＭデコーダ４８の出力を選択して増
幅するオーディオ・アンプ、５８はスピーカである。54 is a TV monitor device, 56 is an audio amplifier that selects and amplifies the output of the audio signal reproduction processing circuit 44 and the PCM decoder 48, and 58 is a speaker.
第３図は、特殊効果回路５２の一例として、残像、尾引
き、静止部抽出等の効果を発生できる回路構成例を示す
。第３図の回路はノイズ低減の機能も有している。６０
は映像信号再生処理回路４２からのアナログ映像信号を
ディジクル化するＡ／Ｄ変換器、６１は、Ａ／Ｄ変換器
６０の出力から、フィールド・メモリ６４により１フイ
一ルド期間遅延された信号を減算する減算回路、６２は
減算回路６１の出力に係数Ａ （０＜Ａｓ２）を乗する
乗算回路、６３は、フィールド・メモリ６４により１フ
イ一ルド期間遅延された信号を、乗算回路６２の出力に
加算する加算回路、６５はＤ／Ａ変換器である。第３図
の回路５２では、乗算回路６２の係数Ａを変えることに
より、表１のように、異なる特殊効果を与えることがで
きる。FIG. 3 shows, as an example of the special effect circuit 52, a circuit configuration example capable of generating effects such as afterimage, trailing, and still part extraction. The circuit of FIG. 3 also has a noise reduction function. 60
61 is an A/D converter that converts the analog video signal from the video signal reproduction processing circuit 42 into a digital signal; A subtraction circuit 62 multiplies the output of the subtraction circuit 61 by a coefficient A (0<As2). A multiplication circuit 63 converts the signal delayed by one field period by the field memory 64 to the output of the multiplication circuit 62. 65 is a D/A converter. In the circuit 52 of FIG. 3, by changing the coefficient A of the multiplication circuit 62, different special effects can be provided as shown in Table 1.
第４図は、部分拡大／ｗｉ小を行う特殊効果回路５２の
構成例である。７０はＡ／Ｄ変換器、７１は、映像信号
ｌフィールド分の記憶容量を持つランダム・アクセス・
メモリ、７２はＤ／Ａ変換器、７３はＩＤ処理回路５０
からの特殊効果情報に従い、メモリ７１の書込（Ｗ）及
び続出（Ｒ）を制御するメモリ制御回路である。拡大を
行いたいときには、メモリ７１に関して、撮影時に選択
した画面エリアの信号のみを、書込より遅いクロックで
読み出せばよい。また、縮小を行いたいときには、メモ
リ７１に記憶された信号を間引いて読み出し、残りの期
間をミュートすればよい。FIG. 4 shows a configuration example of the special effect circuit 52 that performs partial enlargement/wi small. 70 is an A/D converter, and 71 is a random access converter having a storage capacity for one field of video signal.
Memory, 72 a D/A converter, 73 an ID processing circuit 50
This is a memory control circuit that controls writing (W) and continuous reading (R) of the memory 71 according to special effect information from the memory 71. When it is desired to perform enlargement, it is sufficient to read only the signal of the screen area selected at the time of photographing from the memory 71 at a clock slower than the writing clock. Furthermore, when it is desired to perform reduction, the signals stored in the memory 71 may be thinned out and read out, and the remaining period may be muted.
本発明は、上記特殊効果に限定されるものではなく、そ
れ以外の、例えば、フェードイン／フェードアウト、モ
ザイク、ビット落しなどの特殊効果も可能である。また
、特殊効果情報は、撮影時に記録しなくても、−旦映像
を記録した後に、再生しながらアフレコすることもでき
る。The present invention is not limited to the above special effects, and other special effects such as fade-in/fade-out, mosaic, and bit drop are also possible. Moreover, the special effect information does not have to be recorded at the time of shooting, but can be dubbed while playing back after recording the video.
上記説明では、記録媒体として磁気テニプを用いたが、
磁気ディスク、光ディスクなどのその他の記録媒体でも
よいことはいうまでもない。In the above explanation, a magnetic tape was used as the recording medium, but
Needless to say, other recording media such as magnetic disks and optical disks may also be used.
以上の説明から容易に理解出来るように、本発明によれ
ば、記録時又はアフレコ時に映像信号とは別のエリアき
当該映像信号に対応した特殊効果情報を記録するので、
オリジナルの映像記録を損なうことなく、再生映像に所
望の特殊効果を施すことができる。As can be easily understood from the above explanation, according to the present invention, special effect information corresponding to the video signal is recorded in an area separate from the video signal during recording or post-recording.
Desired special effects can be applied to reproduced video without damaging the original video recording.
第１図は、本発明の実施例の記録系の構成ブロック図、
第２図はその再生系の構成ブロック図、第３図及び第４
図は第２図の特殊効果回路５２の構成例、第５図は第１
図の記録系による磁気テープの記録フォーマントである
。
１〇−撮像回路 １２−映像信号処理回路 １４−映像
信号記録処理回路 ３〇−音声信号記録処理回路 ３２
−Ｐ ＣＭエンコーダ ３８−Ｉ Ｄ処理回路 ３６・
・−特殊効果指令発生回路 ４２・・−映像信号再生処
理回路 ４４−音声信号再生処理回路 ４８−Ｐ ＣＭ
デコーダ ５０−Ｉ Ｄ処理回路５２−−−一特殊効果
回路 ６２−乗算回路 ６４−フィールド・メモリ ７
１・−ランダム・アクセス・メモリ ７３−・メモリ制
御回路FIG. 1 is a block diagram of a recording system according to an embodiment of the present invention;
Figure 2 is a block diagram of the playback system, Figures 3 and 4.
The figure shows an example of the configuration of the special effect circuit 52 shown in FIG. 2, and FIG.
This is a recording formant of a magnetic tape using the recording system shown in the figure. 10-Imaging circuit 12-Video signal processing circuit 14-Video signal recording processing circuit 30-Audio signal recording processing circuit 32
-P CM encoder 38-I D processing circuit 36.
・-Special effect command generation circuit 42...-Video signal reproduction processing circuit 44-Audio signal reproduction processing circuit 48-P CM
Decoder 50-ID processing circuit 52--Special effect circuit 62-Multiplication circuit 64-Field memory 7
1.-Random access memory 73-.Memory control circuit
Claims (1)
る情報を当該映像信号とは異なる領域に記録する記録媒
体と、当該記録媒体の記録信号を再生する再生手段と、
当該再生手段により再生された特殊効果情報に従う特殊
効果を、当該再生手段からの再生映像信号に施して出力
する特殊効果付与手段とからなることを特徴とする映像
信号再生装置。A recording medium that records information regarding a video signal and special effects to be added to the video signal in an area different from the video signal, and a reproduction means that reproduces the recorded signal of the recording medium;
1. A video signal reproducing device comprising special effect applying means for applying a special effect according to special effect information reproduced by the reproducing means to a reproduced video signal from the reproducing means and outputting the resultant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62311738A JPH01152876A (en) | 1987-12-09 | 1987-12-09 | Video signal reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62311738A JPH01152876A (en) | 1987-12-09 | 1987-12-09 | Video signal reproducing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01152876A true JPH01152876A (en) | 1989-06-15 |
Family
ID=18020879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62311738A Pending JPH01152876A (en) | 1987-12-09 | 1987-12-09 | Video signal reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01152876A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0411295A (en) * | 1990-04-28 | 1992-01-16 | Brother Ind Ltd | Karaoke recorded instrumental accompaniment) device |
| ES2104501A1 (en) * | 1994-10-25 | 1997-10-01 | Chusifu Films S L | Continuous recording procedure with fixed images. |
| JP2002237973A (en) * | 2001-02-07 | 2002-08-23 | Canon Inc | Recorder, recording method and imaging device |
-
1987
- 1987-12-09 JP JP62311738A patent/JPH01152876A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0411295A (en) * | 1990-04-28 | 1992-01-16 | Brother Ind Ltd | Karaoke recorded instrumental accompaniment) device |
| ES2104501A1 (en) * | 1994-10-25 | 1997-10-01 | Chusifu Films S L | Continuous recording procedure with fixed images. |
| JP2002237973A (en) * | 2001-02-07 | 2002-08-23 | Canon Inc | Recorder, recording method and imaging device |
| US8078035B2 (en) | 2001-02-07 | 2011-12-13 | Canon Kabushiki Kaisha | Image data recording apparatus |
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