JPH0423583A - Database device and recording and reproducing device - Google Patents
Database device and recording and reproducing deviceInfo
- Publication number
- JPH0423583A JPH0423583A JP2128472A JP12847290A JPH0423583A JP H0423583 A JPH0423583 A JP H0423583A JP 2128472 A JP2128472 A JP 2128472A JP 12847290 A JP12847290 A JP 12847290A JP H0423583 A JPH0423583 A JP H0423583A
- Authority
- JP
- Japan
- Prior art keywords
- time
- information
- recording
- digital
- database
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000006835 compression Effects 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 13
- 230000005236 sound signal Effects 0.000 claims abstract 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 241000282412 Homo Species 0.000 description 5
- 238000013500 data storage Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は記録再生装置、特に記録時に短時間に記録し、
再生時に人間が理解できる情報に復元する時間節約型の
記録再生装置に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a recording/reproducing device, particularly for recording in a short time during recording.
The present invention relates to a time-saving recording and reproducing device that restores information to human-understandable information during reproduction.
従来の技術
近年、情報圧縮技術が進歩し、１０ｋｂｐｓ〜数Ｍｂｐ
ｓの転送レートのディジタル回路網が普及し、各種の情
報が送られるようになった。しかし、それらは数値デー
タに代表される時間情報を含まないものである。時間情
報を含む音声や動画は受は手が人間であるという制約か
ら、実時間伝送をしている。Conventional technology In recent years, information compression technology has progressed, and speeds ranging from 10 kbps to several Mbps
Digital circuit networks with a transfer rate of 500 s have become widespread, and various types of information have come to be transmitted. However, they do not include time information represented by numerical data. Audio and video containing time information are transmitted in real time due to the restriction that the receiver is a human.
発明が解決しようとする課題
しかし、音声や動画を実時間伝送するという考えは、ア
ナログ伝送の思想をそのまま受は継いでいるに過ぎない
。実際は、記録は短時間に、再生は実時間でということ
が望ましい。特に変化の激しい昨今、情報が日々変化す
る。胡、短時間で］５ＤＮｌ？］から情報を引き出し、
通勤途上でゆっくりと聞く等のニーズは非常に高い。Problems to be Solved by the Invention However, the idea of transmitting audio and video in real time is simply a continuation of the idea of analog transmission. In reality, it is desirable to record in a short time and to reproduce in real time. Especially in these days of rapid change, information changes daily. Hu, in a short time] 5DNl? ], pull out information from
There is a very high demand for listening slowly on the way to work.
本発明は上記のような、ニーズを満足するよう、ディジ
タル伝送の特徴である情報圧縮容易性、再生時間軸変換
容易性を生かし、記録時間が短く再生時間が実時間にな
るようにした記録再生装置を提供することを目的とする
。In order to satisfy the above-mentioned needs, the present invention utilizes the ease of information compression and the ease of converting the playback time axis, which are characteristics of digital transmission, to achieve recording and playback that shortens the recording time and makes the playback time real time. The purpose is to provide equipment.
課題を解決するための手段
本発明は上記目的を達成するために、音声または動画像
、準動画像情報を圧縮し、伝送時間を短縮したディジタ
ル圧縮情報を受信しメモリする時間短縮信号メモリ手段
と、前記時間短縮信号メモリ手段から読みだし、圧縮情
報を人間が理解できる情報に復元する情報復元手段とを
備えた記録再生装置とし、音声または動画像、準動画像
情報を圧縮し伝送時間を短縮しメモリする時間短縮ディ
ジタル信号データベース手段と、前記時間短縮ディジタ
ル信号データベース手段から所定の情報を選び送信する
時間短縮送信手段とを具備するデータベース装置とする
。Means for Solving the Problems In order to achieve the above object, the present invention provides time-saving signal memory means for compressing audio, moving image, or quasi-moving image information and receiving and storing digital compressed information with reduced transmission time. and information restoration means for reading from the time-saving signal memory means and restoring the compressed information into information that can be understood by humans, and compressing audio, moving image, or quasi-moving image information to shorten transmission time. The database apparatus is provided with a time-saving digital signal database means for storing information and a time-saving digital signal database means, and a time-saving transmitting means for selecting and transmitting predetermined information from the time-saving digital signal database means.
作用
本発明は上記した構成により、データベース装置が時間
短縮した信号を短時間に送信し、記録再生装置が前記時
間短縮した情報を受信して記憶し、その情報を実時間で
再生する。According to the above-described configuration, the database device transmits the time-reduced signal in a short time, the recording/reproducing device receives and stores the time-reduced information, and reproduces the information in real time.
実施例
以下本発明の一実施例の記録再生装置とデータベース装
置を図面を参照しながら説明する。第１図は本発明の一
実施例を示すブロック図である。Embodiment Hereinafter, a recording/reproducing apparatus and a database apparatus according to an embodiment of the present invention will be explained with reference to the drawings. FIG. 1 is a block diagram showing one embodiment of the present invention.
第１図において、１は時間短縮ディジタル信号データベ
ース手段であり、時間短縮送信手段２に送られディジタ
ル回線７に信号を送出する。また時間短縮送信手段２は
受信側の要求に応してデータベースの中から所定の情報
を選択するよう時間短縮ディジタル信号データベース手
段１を制御する。In FIG. 1, reference numeral 1 denotes a time-saving digital signal database means, which sends a signal to a time-saving transmitting means 2 and sends the signal to a digital line 7. Further, the time saving transmitting means 2 controls the time saving digital signal database means 1 to select predetermined information from the database in response to a request from the receiving side.
時間短縮ディジタル信号データベース手段１と時間短縮
送信手段２とデータベース装置３を構成する。データベ
ース装置３からディジタル回線７を通して記録再生装置
６に送られたディジタル圧縮情報は、記録再生装置６の
中の時間短縮信号メモリ手段４に直接書き込まれる。時
間短縮信号メモリ手段４に書き込まれた情報は、必要な
とき読み出され情報復元手段５により情報圧縮を解かれ
情報が復元される。A time-saving digital signal database means 1, a time-saving transmitting means 2, and a database device 3 are constructed. The digital compressed information sent from the database device 3 to the recording and reproducing device 6 through the digital line 7 is directly written into the time reduction signal memory means 4 in the recording and reproducing device 6. The information written in the time reduction signal memory means 4 is read out when necessary and is decompressed by the information restoration means 5 to restore the information.
以上のように、本実施例によれば、ディジタル伝送の特
徴である情報圧縮容易性、再生時間軸変換容易性を生か
し、記録時間が短く再生速度が人間が理解できるように
情報復元する記録再生手段を提供する。As described above, according to this embodiment, by taking advantage of the ease of information compression and the ease of converting the playback time axis, which are characteristics of digital transmission, recording and playback can restore information so that the recording time is short and the playback speed is understandable to humans. provide the means.
次に本発明の他の一実施例の記録再生装置とデータベー
ス装置を第２図を参照しながら説明する。Next, a recording/reproducing apparatus and a database apparatus according to another embodiment of the present invention will be explained with reference to FIG.
第２図において、第１図と同じ物は、同一番号で示す。In FIG. 2, the same parts as in FIG. 1 are designated by the same numbers.
第２図において、１は時間短縮ディジタル信号データベ
ース手段であり、時間短縮送信手段２に送られディジタ
ル回線７に信号を送出する。In FIG. 2, reference numeral 1 denotes a time-saving digital signal database means, which sends a signal to the time-saving transmitting means 2 and sends the signal to the digital line 7.
また時間短縮送信手段２は受信側の要求に応じてデータ
ベースの中から所定の情報を選択するよう時間短縮ディ
ジタル信号データベース手段１を制御する。時間短縮デ
ィジタル信号データベース手段１と時間短縮送信手段２
とデータベース装置３を構成する。データベース装置３
からディジタル回線７を通して記録再生装置１３に送ら
れた時間短縮ディジタル信号は、記録再生装置ｆｆ１１
３の中の情報メモリ手段１１に帯域圧縮を解き、書き込
まれる。情報メモリ手段１１に書き込まれた情報は必要
なときに読み出され情報復元手段１２により信号を人間
が理解できる速度で復元する。Further, the time reduction transmitting means 2 controls the time reduction digital signal database means 1 to select predetermined information from the database in response to a request from the receiving side. Time-saving digital signal database means 1 and time-saving transmission means 2
and configure the database device 3. Database device 3
The time-reducing digital signal sent from
The band is decompressed and written into the information memory means 11 in the information storage section 3. The information written in the information memory means 11 is read out when necessary, and the information restoration means 12 restores the signal at a speed that humans can understand.
以上のように、本実施例でも第１図の実施例と同様、デ
ィジタル伝送の特徴である情報圧縮容易性、再生時間軸
変換容易性を生かし、記録時間が短く再生速度が人間が
理解できるように情報復元する記録再生手段が得られる
。As described above, like the embodiment shown in FIG. 1, this embodiment takes advantage of the ease of information compression and the ease of converting the playback time axis, which are characteristics of digital transmission, so that the recording time is short and the playback speed is understandable to humans. A recording/reproducing means for restoring information is obtained.
なお、上記音声は、人間の声や音楽といったいわゆる「
音」の情報を指す。また、動画は、静止画に対応する言
葉であり、いわゆる「動く絵」の情報を指す。準動画は
、静止画がある時間間隔で変化する絵の情報を指す。情
報圧縮は、予測符号化やエントロピー符号化といった手
法を使用する。Please note that the above-mentioned sounds include so-called "human voices" and music.
Refers to information about "sound". Furthermore, the word "video" corresponds to a still image, and refers to the information of a so-called "moving picture." A quasi-video refers to information about a still image that changes at certain time intervals. Information compression uses techniques such as predictive coding and entropy coding.
対象となる情報によりアダプティブに適応符号を変化さ
せる適応符号化の手法が一般的に併用される。時間短縮
信号メモリ手段は、半導体ＲＡＭやディスク装置が使わ
れる。情報復元手段は情報圧縮を元の情報に戻す復号器
やエラー訂正をする復号器等で構成される。この出力は
、音声または絵の形である。An adaptive encoding method that adaptively changes the adaptive code depending on the target information is generally used in combination. A semiconductor RAM or a disk device is used as the time reduction signal memory means. The information restoration means includes a decoder that restores compressed information to the original information, a decoder that corrects errors, and the like. This output is in the form of audio or pictures.
また、時間短縮ディジタル信号データベース手段は、情
報圧縮により時間圧縮されたディジタル情報を記録する
ものであり、大規模ディスクシステム等で構成される。Further, the time-saving digital signal database means records digital information time-compressed by information compression, and is constituted by a large-scale disk system or the like.
時には磁気テープメモリシステムも使われる。時間短縮
送信手段は時間短縮ディジタル信号データヘース手段の
読み出しを制御する時間短縮ディジタル信号データベー
ス手段制御部と時間短縮ディジタル信号データヘース手
段から読み出した信号を通信回線に乗せるための制御を
する通信回線制御部より構成される。これらは、現在使
用されている通常の制御技術が使用される。Sometimes magnetic tape memory systems are also used. The time reduction transmission means includes a time reduction digital signal database means control section that controls reading of the time reduction digital signal data storage means and a communication line control section that controls the transmission of the signal read from the time reduction digital signal data storage means onto the communication line. configured. These use conventional control techniques currently in use.
また、上記説明では、データベース装置の情報送出は受
信側の記録再生装置の制御によるものとしたが、必ずし
もその必要はないことは言うまでもない。Further, in the above description, the information transmission from the database device is controlled by the recording and reproducing device on the receiving side, but it goes without saying that this is not necessarily necessary.
発明の効果
以上の実施例から明らかなように、本発明はデータベー
ス装置と記録再生装置を設け、前記データベース装置は
、音声および動画像または準動画像を時間圧縮および帯
域圧縮してディジタル圧縮情報を得るとともに、そのデ
ィジタル圧縮情報を記録して保持する時間短縮ディジク
ル信号データヘース手段と、前記メモリの保持するディ
ジタル圧縮情報から所定のディジタル圧縮情報を選択し
てディジタル回線に送出する時間短縮送信手段を備える
ものとし、前記記録再生装置は、前記送信されたディジ
タル圧縮情報を受信して記録する時間短縮信号メモリ手
段と前記ディジタル圧縮情報を人間が理解できる情報に
復元する情報復元手段とを備えたものとしているので、
情報を短時間に受理して記憶するとともに、実時間で再
生して情報を認識することができる。Effects of the Invention As is clear from the above embodiments, the present invention includes a database device and a recording/reproducing device, and the database device compresses the time and band of audio and moving images or semi-moving images to generate digital compressed information. and a time-saving digital signal data storage means for recording and retaining the digital compressed information, and a time-saving transmitting means for selecting predetermined digital compressed information from the digital compressed information held in the memory and transmitting the selected digital compressed information to a digital line. The recording/reproducing device is provided with time-saving signal memory means for receiving and recording the transmitted digital compressed information, and information restoring means for restoring the digital compressed information into information that can be understood by humans. Because there are
Information can be received and stored in a short time, and can be played back and recognized in real time.
第１図は本発明の一実施例のデータベース装置と記録再
生手段の構成を示すブロック図、第２図は本発明の他の
実施例のデータベース装置と記録再生装置の構成を示す
ブロック図である。
１・・・・・・時間短縮ディジタル信号データヘース手
段、２・・・・・・時間短縮送信手段、３・・・・・・
データベース装置、４・・・・・・時間短縮信号メモリ
手段、５・・・・・・情報復元手段、６・・・・・・記
録再生手段。FIG. 1 is a block diagram showing the configuration of a database device and recording/reproducing means according to one embodiment of the present invention, and FIG. 2 is a block diagram showing the configuration of a database device and recording/reproducing device according to another embodiment of the present invention. . 1...Time-saving digital signal data storage means, 2...Time-saving transmission means, 3...
Database device, 4... Time reduction signal memory means, 5... Information restoration means, 6... Recording and reproducing means.
Claims (3)
および時間圧縮してディジタル圧縮情報を形成するとと
もに、前記ディジタル圧縮情報をメモリに記録する時間
短縮ディジタル信号データベース手段と、前記メモリか
ら所定のディジタル圧縮情報を選んで送信する時間短縮
送信手段を備えたデータベース装置。(1) Time-saving digital signal database means for band-compressing and time-compressing audio signals, moving images, and quasi-moving images to form digital compressed information, and recording the digital compressed information in a memory; A database device equipped with time-saving transmission means for selecting and transmitting digitally compressed information.
および時間圧縮したディジタル圧縮情報を受信して記録
する時間短縮信号メモリ手段と、前記メモリから所定の
ディジタル圧縮情報を選んで、人間の理解できる信号に
復元する情報復元手段を備えた記録再生装置。(2) time-saving signal memory means for receiving and recording digital compressed information obtained by band-compressing and time-compressing audio signals, moving images, and quasi-moving images; and selecting predetermined digital compressed information from the memory for human understanding. A recording/reproducing device equipped with an information restoration means for restoring the signal to a possible signal.
帯域圧縮を復元して記録するものとする請求項（２）記
載の記録再生装置。(3) The recording/reproducing apparatus according to claim (2), wherein the time reduction signal memory means decompresses and records the band compression of the digitally compressed information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12847290A JP2748652B2 (en) | 1990-05-17 | 1990-05-17 | Database device and recording / reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12847290A JP2748652B2 (en) | 1990-05-17 | 1990-05-17 | Database device and recording / reproducing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0423583A true JPH0423583A (en) | 1992-01-27 |
| JP2748652B2 JP2748652B2 (en) | 1998-05-13 |
Family
ID=14985577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12847290A Expired - Fee Related JP2748652B2 (en) | 1990-05-17 | 1990-05-17 | Database device and recording / reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2748652B2 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55132136A (en) * | 1979-04-02 | 1980-10-14 | Nippon Telegr & Teleph Corp <Ntt> | Information transmission time compression system |
| JPS5933937A (en) * | 1982-08-18 | 1984-02-24 | Nec Corp | System for compressing transmission time of sound signal for radio inter-call system |
| JPS62173863A (en) * | 1986-01-28 | 1987-07-30 | Nippon Kogaku Kk <Nikon> | Image pickup device |
| JPS6377279A (en) * | 1986-09-20 | 1988-04-07 | Mitsue Hayakawa | Video signal processing device |
| JPS63104184A (en) * | 1986-10-22 | 1988-05-09 | Seiko Epson Corp | Animation display |
| JPH0213377U (en) * | 1988-07-11 | 1990-01-26 | ||
| JPH0279171A (en) * | 1988-09-16 | 1990-03-19 | Nec Corp | Terminal system for collating image registration |
| JPH02116281A (en) * | 1988-10-26 | 1990-04-27 | Nippon Hoso Kyokai <Nhk> | Multiple sampling signal adapter device |
-
1990
- 1990-05-17 JP JP12847290A patent/JP2748652B2/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55132136A (en) * | 1979-04-02 | 1980-10-14 | Nippon Telegr & Teleph Corp <Ntt> | Information transmission time compression system |
| JPS5933937A (en) * | 1982-08-18 | 1984-02-24 | Nec Corp | System for compressing transmission time of sound signal for radio inter-call system |
| JPS62173863A (en) * | 1986-01-28 | 1987-07-30 | Nippon Kogaku Kk <Nikon> | Image pickup device |
| JPS6377279A (en) * | 1986-09-20 | 1988-04-07 | Mitsue Hayakawa | Video signal processing device |
| JPS63104184A (en) * | 1986-10-22 | 1988-05-09 | Seiko Epson Corp | Animation display |
| JPH0213377U (en) * | 1988-07-11 | 1990-01-26 | ||
| JPH0279171A (en) * | 1988-09-16 | 1990-03-19 | Nec Corp | Terminal system for collating image registration |
| JPH02116281A (en) * | 1988-10-26 | 1990-04-27 | Nippon Hoso Kyokai <Nhk> | Multiple sampling signal adapter device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2748652B2 (en) | 1998-05-13 |
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| Date | Code | Title | Description |
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| LAPS | Cancellation because of no payment of annual fees |