CN1529264A - Method for searching associated multimedia content through text block position coding - Google Patents
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Abstract
The invention relates to a method for searching associated multimedia content through text block position coding, which comprises the following steps: (1) in the fixed layout book, the same rule is adopted according to the middle position of a certain character block in the book, and the code is determined by combining all or part of parameters of the position of the page, section, line, sentence, word and character where the character block is located, (2) a multimedia file corresponding to the fixed layout book is made and stored in a memory, (3) a contact list between the code and the position of the associated content in the multimedia is established and stored in the memory, (4) the position code of the character block is input from a keyboard, (5) a computer controller reads the contact list through a program and judges the corresponding relation between the code and the position interval of the associated content in the multimedia file, and the content of the corresponding multimedia can be played. The user does not need to know the characters, can quickly and conveniently retrieve and play the contents on the multimedia matched with the books, and is simple and convenient to use.
Description
Technical field
The present invention relates to search in a kind of multimedia the method for certain content, say so the more specifically position of the page number that utilizes books Chinese block, row, sentence, speech, word, encode, by the content in the coding lookup related media, and the method for reproducing and playing.
Background technology
Usually, people use the written historical materials on books, the data to obtain knowledge, and in daily life, books are modal recording medium.But written historical materials has relative deficiency, so people make other medium according to the text associated content, utilizes sound, image to cooperate simultaneously, assists.As English book with join book English study tape, CD, VCD, MP3, screen play and film etc.Apparatus for media playing has language repeater, cassette player, CD player, MP3 player, the mechanical, electrical brain of VCD etc.
But, the reproduction of above-mentioned medium is to play in order with playing basically, and people need sometimes according to the relevant portion on bookish another medium of a part of content search, during as the pronunciation of certain English word on the book, need retrieve content of multimedia, thereby search broadcast.
The existing player method of searching has by the position of manually advancing, retreating, media play is adjusted in F.F., rewind down, and this method is difficult to accurately location.And to find the content that needs to need for a long time.
The multimedia retrieval method that has mainly is to utilize keyword retrieval and instruction retrieval.Keyword retrieval need be imported a large amount of key wordses, but input method is difficult to grasp, and input is complicated, and speed is slow.The quantity of keyboard key is a lot, uses inconvenient.Especially for contents such as Chinese, Korean, Japaneses, input method is difficult to learning and mastering.The equipment complexity.The instruction retrieval need be retrieved broadcast by input coding by writing content viewables such as numeral, symbol, encoding of graphs or bar code figures on literal piece side.Need change the books print content, influence the attractive in appearance of book contents, workload is big, and the books of having published in a large number are difficult to change.Especially the retrieval of existing coding can not be in detail to the retrieval of a large amount of contents being carried out according to row, sentence, speech, word, because if every, speech, word etc. encodes, that bookish coding is with regard to a lot, and is very complicated, destroyed the readability of book.
Therefore, all there is the equipment complexity in the multimedia retrieval of prior art, carries inconvenience, input is complicated, retrieval is thin, need difficulty such as change to book contents.
Summary of the invention
The purpose of this invention is to provide a kind of by the position encoded method of searching the content of multimedia that is associated of literal piece, be applicable to portable playback device, micro computer etc., the input of use keypad, simplify input, be suitable for kinds of words, the user need not be familiar with literal, can quick and convenient retrieval broadcast and the supporting multimedia of books on content, easy to use.
The objective of the invention is to be achieved through the following technical solutions.
By the position encoded method of searching the content of multimedia that is associated of literal piece, include finger-impu system, control computer, storer, the audio frequency and video display, it is characterized in that (1), in the fixed layout books, according to a certain literal piece wherein in the middle position of books, adopt same rule, page or leaf in conjunction with its place, section, OK, sentence, speech, the all or part of parameter of word location is determined its coding, (2), make and the corresponding multimedia file of fixed format books, deposit in the storer, (3), contacts list in foundation coding and the multimedia between the associate content position also is stored in the storer, (4), from keyboard input characters piece position encoded (5), computer control reads contacts list by program, and judge the corresponding relation between the associate content lane place in coding and the multimedia file, can play corresponding multimedia content.
In above-mentioned (1) step, the literal piece refers to page or leaf, section, row, sentence, speech or word, and the coding content displayed is the position digital of literal piece in page or leaf, section, row, sentence, speech, word or all or part of combination of symbol successively.
Books for the book formula of writing across the page adopt from top to bottom, and from front to back, book formula is from left to right determined the location parameter in the coding; For the perpendicular books of writing the book formula, adopt from right to left, book formula is from top to bottom determined the location parameter in the coding; For the book formula of writing across the page that a plurality of files are arranged, adopt from left to right, from front to back, from top to bottom, secondary series first mode that is listed as that continues is determined the location parameter in the coding.
The location parameter of described page or leaf, section, row, sentence, speech, word be meant the literal piece in the fixed format books with respect to which page or leaf of another literal piece, which row, which sentence, which speech, which word and the symbol of expression page or leaf, section, row, sentence, speech, word respectively, coding is the set of above-mentioned whole parameter or partial parameters.
Described multimedia file is meant audio files, image file, character file, and form can be the media file that Tong Guo the computer control playback equipment of various standards is play and shown; Set up the contacts list between the associate content position in coding and the multimedia and be meant the position of determining associate content in the multimedia wherein according to the attribute of multimedia itself and characteristics; For audio files, typically refer to total duration of playing according to media content, determine the reproduction time section at the place of itself and the corresponding content of each literal block encoding; For video recording, image media, typically refer to according to total duration of the broadcast of image or totalframes, determine and the reproduction time section at the place of the corresponding content of each literal block encoding or the frame number interval of broadcast; For text document, typically refer to according to the text total bytes, determine with the corresponding content of each literal block encoding the byte number interval.
With fullstop representative row, represent sentence with comma, represent paragraph with branch, on behalf of speech, single quotation marks, separatrix represent word, and number expression of "-" after representing the symbol of type is reciprocal, and "+" expression is interval.Conventional letter can replace with any word symbol inequality.
Content representation in the described row is all the elements of beginning sentence in every row, if sentence does not finish in one's own profession, content can inter-bank, and then one's own profession content is that one's own profession begins first (not comprising the unclosed sentence of previous row), finishes up to sentence.Sentence, speech are too.Sentence is meant that there is the sentence of the sentence numbers of cutting apart such as comma, fullstop the front in the one's own profession, or moves ahead the number of cutting apart is arranged at last, or the beginning of segmentation, and not comprising moves ahead not have the sentence of end.
Coding adopts page or leaf, section, row, sentence, speech, word mode step by step, and upper level comprises next stage all the elements, and next stage literal piece position is the relative ordinal position with respect to upper level literal piece.
The order of the coding of literal piece can adopt order reciprocal.
Keyboard of the present invention will have following function and structure usually, for example:
10 numerical keys,
Represent symbolic key paragraph, row, sentence, speech, word,
Affirmation, cancel key,
Interval (+) key, inverse-key
Keyboard represented in row, sentence, word,
Play part and can be multiple digital playing apparatus that can controls playing.
In the books of present fixed format, nearly all books page all is printed with the page number, and the page number is unique with respect to single books, the present invention adopts a kind of for the (page or leaf of message block in the books, section, OK, sentence, speech, word) utilizes the books page number, and row, page or leaf, paragraph, sentence, speech, the ordinal position of word carries out numerical coding, coding is made up of the symbol of message block in numeral and the several representative books, by coding, the contacts list of the foundation and the medium that are associated, pass through contacts list, by numeric keypad and function key seldom, accurately, find required content of multimedia rapidly.
By coding, can be by numeral and keyboard symbol seldom, input inquiry order.Avoided full-text search or content retrieval need import a large amount of literal, especially the literary composition kind of difficult input such as Chinese character can be simplified input.Needn't use the input method of various complexity, reduce the quantity of input keyboard button.Especially be fit to portable broadcast instrument.
Same coding rule of the present invention is meant that the implication that each numbers and symbols is represented in the coding is the same.
Contacts list can be write according to each books and reference materials, can be equipped with written explanation, and this coding method is described, allows the user defer to.Coding method can make each character on books, the data, word, sentence, paragraph, the page, all have one to describe accurately.By the contacts list of setting up, can find and the accurate position of describing the medium that content is associated.
Contacts list is to set up a table of contact according to the position of position encoded and another medium of literal on the books.Wherein a side is the coding of represent content, the opposing party is the interval position that reproduction time is interval or image is auspicious of another medium relevant with this coding represent content, and this coding can be with accurately representing the accurate positions in the fixed position medium are arranged such as word, speech, sentence, row, paragraph, article.Make the user find the represented content of code rapidly according to code.Also can be according to data quick definition coding, the position and the scope of the media article that is associated according to coding lookup.
The present invention can be used for multiple aspect.As the selection broadcast of the corresponding multimedia medium of language learning, audio frequency and video retrieval, translation, printed matter etc.
Can be used for language repeater, can quick and precisely search and want the sound-content play.Input is simple.
For learn Chinese, the people of Japanese, if want to translate bookish word content, import very complicatedly, use the present invention, he sets up the sound or the text of the translation of content on the books.Can import simple code, find the translation content of wanting the literal translated fast.
The present invention goes for kinds of words, as Chinese, and English, Arabic, French, German, Russian etc.Also be suitable for various punctuation marks, special symbol or the like.
Among the present invention, used symbols such as expression page or leaf, section, row, sentence, speech, word can be with optional sign or various literal.
Adopt the present invention, the user can not need to set any mark at former article, and according to rule, input coding finds and play another relevant media content fast.
Adopt this method, can change existing various documents, make the medium relevant with document.The books quantity that has had now is huge, people at ordinary times the use amount maximum also be books.But the performance of literal is abundant inadequately.
What in daily life, people were the most frequently used is the various situations of text entry.Text is modal recording medium.But the content of text representative is a lot, being uneven in length of every a word.Being uneven in length of each section.The length of each speech does not wait yet.But method of the present invention can accurately define their position in book by coding, thereby searches and play the content of another related medium by control.
With the supporting multimedia document of the inventive method, do not require complicated input, complicated computing machine etc., need on books, not increase the sign content,, can adopt the inventive method to make supporting with it multimedia document the books of having published in a large number, only need know coding rule, own judge coding fast, simple input coding fast just can be found the multimedia document of any segment that the user defines in the books rapidly.
The invention belongs to field of information management, a lot of application products can be arranged, be fit to any literal and the relevant relevant medium of any and word content, the minimum content of searching is single character.
Books can have a plurality of media contents, can switch by keyboard according to a plurality of contacts list of content production, can change the medium of connection.Thereby realize a plurality of related medias of coding.As one piece of english article, can corresponding medium be massage voice reading, another medium are read aloud for the Chinese of translation.By switching, it is still English to select to listen to Chinese.
Illustrate below:
1, as according to English book with join book English study recording material, adopt this method to make numeric keypad, connect player, the contacts list that retrieval is made according to this coding method according to built-in controller, index file is put in the storer, the medium such as CD, MP3 of controls playing store memory storage, the user can quick and precisely play in publishing books that arbitrarily one page, one section, delegation, one, a speech, a word have been furnished with the sentence speech of pronunciation according to English book, by control, can re-reading speech, the voice of sentence, section, page or leaf and any range.This device goes for multiple reading matter, kinds of words.
2, according to drama and film segment, can make keyboard according to this method and connect digital player device, search vidclip fast according to the drama literal.If there is not drama, can be as required, oneself makes document.As the retrieval purposes.
3, make the media file of another kind of language according to content of text, can search the another kind of language (translation) of translation according to text fast.Can also reduce the size of storer, because the scope of our study is only in book, just need not import not in scope.
Description of drawings
Fig. 1 is block diagram according to the present invention.
Fig. 2 is to use key input section synoptic diagram of the present invention.
Fig. 3 be coding representative content and with the mutual corresponding diagram of the media content that is associated.
Fig. 4 is definite mode synoptic diagram of location parameter in the multicolumn type-setting mode document.
Fig. 5 is a process flow diagram of the present invention.
Fig. 6 A is coding structure figure of the present invention.
Fig. 6 B is the present invention's another structural drawing of encoding.
Fig. 7 A is coding and the content of text of coding representative and the contacts list of the position of the medium that are associated of correspondence among the embodiment.
Fig. 7 B is coding and the content of text of coding representative and another contacts list of the position of the medium that are associated of correspondence among the embodiment.
Embodiment:
Describe the present invention in detail below in conjunction with accompanying drawing.
1, Fig. 3 and Fig. 4 are two pages of English original texts, according to coding rule rule, English block content are wherein encoded, and all list on the specific coding figure.
Coding rule regulations as:
As the 1st page, can be expressed as 1
The 1st row as the 1st page can be expressed as 1.1
As the 1st page inverse the 1st row, can be expressed as 1.-1
The 1st character as the 1st page the 1st row can be expressed as 1.1‘1
The 1st character of the 2nd page the 1st row can be expressed as 2.1‘1
The 9th character of the 5th page the 6th row can be expressed as 5.6‘9
The 1st sentence of the 1st page the 1st row can be expressed as 1.1，1
The 3rd sentence of the 2nd page the 1st row can be expressed as 2.1，3
The 9th sentence of the 5th page the 6th row can be expressed as 5.6，9
The 131st page the 6th section can be expressed as 131; 6
The 1st page of inverse the 1st row can be expressed as: 1.-1
The 233rd page the 2nd section can be expressed as 233; 2
The 233rd page the 2nd section the 1st row can be expressed as 233; 2.1
The 1st the 1st speech of the 233rd page the 2nd section the 1st row can be expressed as 233; 2.1：1
Front cover is 0 page
“。" the representative row, ", " represents sentence, " ' " represents character, "; " section of representative, ": " represents speech.
To the content of irregular typesetting format, line number can oneself definition numeral, is marked on by literal on the medium, the picture information.Or in the explanation document, stipulate.
Represent Fu Keyong optional sign or numeral to replace.
Whole be encoded to several groups by nonnumeric separator and the numeral form, represent the page number, line number, paragraph, character, sentence etc. respectively.
Each books and reference materials can adopt different sequential grammars according to the content of this data representative, depends on the people's of masses or this data of editor thought.As ancient books is from top to bottom.
Number of pages can be the number of pages word of figure book publishing, if not then be the serial number of the page.
Line number is to obtain by the numerical order number according to order.Can be the delegation of character representation, also can be the delegation that limits in the form, (in form, literal may not be a delegation)
First sentence of each row is meant that there is the sentence of the sentence numbers of cutting apart such as comma, fullstop the one's own profession front, or moves ahead the sentence number of cutting apart is arranged at last.Or the beginning of segmentation.Not comprising moves ahead does not have the words of end.
Word is meant character.What this coding was represented is serial number.The same sentence expression of word in the English.Requiring the front is punctuation mark or space.
2, make multimedia according to foregoing, as the recording that matches with the English text content, mp3 file, VCD formatted file etc.Be deposited in the playback equipment of the present invention, broadcast mode and software are identical with prior art.
3, set up the contacts list between the associate content position in coding and the multimedia, and contacts list is changed into computer program, in computer control, set up the corresponding relation of the position of associate content in coding and the multimedia.This method is identical with the technology of searching in the prior art, as the principle that input crux word, speech are searched in the database.
4, following to briefly description of principle of work work one of the present invention.
Fig. 7 A, Fig. 7 B are the contacts list of the position of associate content in page Chinese and English content encoding and the medium.
Fig. 1 is the block scheme of apparatus of the present invention, contacts list 4 and media file 5 are stored in the storer 3, read key input section 1 input coding and order by control section 2, control section 2 is according to the coding of input, the contacts list 4 in the storage area is left in retrieval in, by the association of contacts list 4, find in the storer particular location and scope in the media file in storer 3 of the pairing media content 5 of coding.
The data that read on storer 3 by controller 2 are provided for audio frequency and video reproducing part 6, and reproducing part 6 is by decoding processing, the information of output character, image, audio frequency.Output on display screen 7, the loudspeaker 8.
When the coding of the interval symbol of input tape, as the 1.1.1+4.1 in last column in the table 1, the starting position of then playing first section coding is to the media content between last one section end position.Controller is searched earlier the starting position of first section corresponding medium of coding by contacts list, and then searches the encode end position of corresponding media content of final stage by contacts list, determine beginning and finish between content.
For a lot of content of every page line number, below page or leaf, row last, to the positional number of row, speech, the word inconvenience of getting up, the present invention encodes and has used "-" number, represents several from beginning at last.As the row of the 18th among Fig. 3, also can be expressed as 1.-1.What controller was earlier determined the digital representative of following later according to the symbol after the numeral is any type, represents the 1st page inverse the 1st row as 1.-1.Controller is the content in the retrieval contacts list earlier, and how many line numbers that finds out the 1st page of maximum is, then maximum number of lines subtracted 1, adds 1 then, then: 18-1+1=18, then search 1.18 in contacts list corresponding content, carry out playback.Expression to sentence, speech, word etc. can be analogized.
Because comprise sentence, speech in the row, but the sentence in the row, the length difference of speech, may cross over row, this coding is defined as: the content representation in the row is all the elements of beginning sentence in every row, if sentence does not finish in one's own profession, content can inter-bank, and then one's own profession content is that one's own profession begins first (not comprising the unclosed sentence of previous row), finish up to sentence.Sentence, speech are too.The the 7th to 8 row then crossed in the 1st sentence of the 1st page of the 7th row as shown in Figure 3.
Subfield is set type, as shown in Figure 4, go the arrangement of order according to the order of reading.
To all reading materials, the order of row, the order of sentence, the order of speech, the order of word are all arranged by reading order.As the row of ancient book by reading from the top down.
Claims (9)
1, by the position encoded method of searching the content of multimedia that is associated of literal piece, include finger-impu system, control computer, storer, the audio frequency and video display, it is characterized in that (1), in the fixed layout books, according to a certain literal piece wherein in the middle position of books, adopt same rule, page or leaf in conjunction with its place, section, OK, sentence, speech, the all or part of parameter of word location is determined its coding, (2), make and the corresponding multimedia file of fixed format books, deposit in the storer, (3), contacts list in foundation coding and the multimedia between the associate content position also is stored in the storer, (4), position encoded from keyboard input characters piece, (5), computer control reads contacts list by program, and judges the corresponding relation between the associate content lane place in coding and the multimedia file, can play corresponding multimedia content.
2, according to claim 1 by the position encoded method of searching the content of multimedia that is associated of literal piece, it is characterized in that in (1) step, the literal piece refers to page or leaf, section, row, sentence, speech or word, and the coding content displayed is the position digital of literal piece in page or leaf, section, row, sentence, speech, word or all or part of combination of symbol successively.
3, according to claim 1 by the position encoded method of searching the content of multimedia that is associated of literal piece, it is characterized in that adopting from top to bottom for the books of the book formula of writing across the page, from front to back, book formula is from left to right determined the location parameter in the coding; For the perpendicular books of writing the book formula, adopt from right to left, book formula is from top to bottom determined the location parameter in the coding; For the book formula of writing across the page that a plurality of files are arranged, adopt from left to right, from front to back, from top to bottom, secondary series first mode that is listed as that continues is determined the location parameter in the coding.
4, according to claim 1 by the position encoded method of searching the content of multimedia that is associated of literal piece, the location parameter that it is characterized in that described page or leaf, section, row, sentence, speech, word be meant the literal piece in the fixed format books with respect to which page or leaf of another literal piece, which row, which sentence, which speech, which word and the symbol of expression page or leaf, section, row, sentence, speech, word respectively, coding is the set of above-mentioned whole parameter or partial parameters.
5, according to claim 1 by the position encoded method of searching the content of multimedia that is associated of literal piece, it is characterized in that described multimedia file is meant audio files, image file, character file, form can be the media file that Tong Guo the computer control playback equipment of various standards is play and shown; Set up the contacts list between the associate content position in coding and the multimedia and be meant the position of determining associate content in the multimedia wherein according to the attribute of multimedia itself and characteristics; For audio files, typically refer to total duration of playing according to media content, determine the reproduction time section at the place of itself and the corresponding content of each literal block encoding; For video recording, image media, typically refer to according to total duration of the broadcast of image or totalframes, determine and the reproduction time section at the place of the corresponding content of each literal block encoding or the frame number interval of broadcast; For text document, typically refer to according to the text total bytes, determine with the corresponding content of each literal block encoding the byte number interval.
6, according to claim 1 by the position encoded method of searching the content of multimedia that is associated of literal piece, it is characterized in that with fullstop representative row, represent sentence with comma, represent paragraph with branch, on behalf of speech, single quotation marks, separatrix represent word, "-" after representing the symbol of type number expression is reciprocal, and "+" expression is interval, and conventional letter can replace with any word symbol inequality.
7, according to claim 1 by the position encoded method of searching the content of multimedia that is associated of literal piece, it is characterized in that the content representation in the described row is all the elements of beginning sentence in every row, if sentence does not finish in one's own profession, content can inter-bank, then one's own profession content is that one's own profession begins first (not comprising the unclosed sentence of previous row), finish up to sentence, sentence, speech are too; Sentence is meant that there is the sentence of the sentence numbers of cutting apart such as comma, fullstop the front in the one's own profession, or moves ahead the number of cutting apart is arranged at last, or the beginning of segmentation, and not comprising moves ahead not have the sentence of end.
8, according to claim 1 by the position encoded method of searching the content of multimedia that is associated of literal piece, employing page or leaf, section, row, sentence, speech, word mode step by step is characterized in that encoding, upper level comprises next stage all the elements, and next stage literal piece position is the relative ordinal position with respect to upper level literal piece.
9, according to claim 1 by the position encoded method of searching the content of multimedia that is associated of literal piece, it is characterized in that the order of the coding of literal piece can adopt order reciprocal.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100422999C (en) * | 2006-09-14 | 2008-10-01 | 浙江大学 | Transmedia searching method based on content correlation |
| CN101308488B (en) * | 2008-06-05 | 2010-06-02 | 北京大学 | Document stream type information processing method based on format document and device therefor |
| CN101894228A (en) * | 2010-06-23 | 2010-11-24 | 深圳市天朗时代科技有限公司 | Identifier distribution and analysis method and multimedia reader |
| CN101470710B (en) * | 2007-12-27 | 2011-01-12 | Tcl集团股份有限公司 | Method for positioning content of multimedia file |
| CN102279878A (en) * | 2011-07-27 | 2011-12-14 | 张玉亮 | Two-dimension code-based large-scale multimedia information playing management system and method |
| CN102289471A (en) * | 2011-07-27 | 2011-12-21 | 张玉亮 | System and method for managing recording of multimedia information based on two-dimension codes |
| CN102289472A (en) * | 2011-07-27 | 2011-12-21 | 张玉亮 | System and method for managing playing of multimedia information based on two-dimension codes |
| CN102623034A (en) * | 2012-03-28 | 2012-08-01 | 北京华夏电通科技股份有限公司 | Method and device for realizing mutual positioning and character fast recording of video data and text data |
| CN102930883A (en) * | 2012-11-09 | 2013-02-13 | 松翰科技股份有限公司 | Playing system and playing device for digital reading of media files |
| CN114692577A (en) * | 2022-03-18 | 2022-07-01 | 达而观信息科技（上海）有限公司 | Content positioning method and system for text document automatic editing and process automation robot |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100422999C (en) * | 2006-09-14 | 2008-10-01 | 浙江大学 | Transmedia searching method based on content correlation |
| CN101470710B (en) * | 2007-12-27 | 2011-01-12 | Tcl集团股份有限公司 | Method for positioning content of multimedia file |
| CN101308488B (en) * | 2008-06-05 | 2010-06-02 | 北京大学 | Document stream type information processing method based on format document and device therefor |
| CN101894228A (en) * | 2010-06-23 | 2010-11-24 | 深圳市天朗时代科技有限公司 | Identifier distribution and analysis method and multimedia reader |
| CN101894228B (en) * | 2010-06-23 | 2017-04-12 | 深圳市天朗时代科技有限公司 | Identifier distribution and analysis method and multimedia reader |
| CN102279878A (en) * | 2011-07-27 | 2011-12-14 | 张玉亮 | Two-dimension code-based large-scale multimedia information playing management system and method |
| CN102289471A (en) * | 2011-07-27 | 2011-12-21 | 张玉亮 | System and method for managing recording of multimedia information based on two-dimension codes |
| CN102289472A (en) * | 2011-07-27 | 2011-12-21 | 张玉亮 | System and method for managing playing of multimedia information based on two-dimension codes |
| CN102623034A (en) * | 2012-03-28 | 2012-08-01 | 北京华夏电通科技股份有限公司 | Method and device for realizing mutual positioning and character fast recording of video data and text data |
| CN102623034B (en) * | 2012-03-28 | 2015-05-13 | 北京华夏电通科技股份有限公司 | Method and device for realizing mutual positioning and character fast recording of video data and text data |
| CN102930883A (en) * | 2012-11-09 | 2013-02-13 | 松翰科技股份有限公司 | Playing system and playing device for digital reading of media files |
| CN114692577A (en) * | 2022-03-18 | 2022-07-01 | 达而观信息科技（上海）有限公司 | Content positioning method and system for text document automatic editing and process automation robot |
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