JP4291968B2 - Information distribution system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention provides information distribution in which an information distributor distributes various sound information such as voice and music (hereinafter referred to as “content”) to an information receiver via an open network such as the Internet (hereinafter referred to as “network”). The present invention relates to a system, and more particularly to an information delivery system capable of delivering the content having a large amount of information at high speed and safely.
[0002]
[Prior art]
In recent years, with the spread of networks, the use of voice information and music created and distributed by information distributors is becoming popular, and the contents including these can be used on personal computers, mobile phones, etc. while staying at home or at work. It is received by a mobile communication device and can be listened to after listening or downloading on time.
[0003]
[Problems to be solved by the invention]
However, the above-described conventional information distribution system is configured to distribute, for example, music for one song as it is as a sampled digital signal converted by an A / D conversion circuit or after being compressed using a known data compression method. Therefore, anyone can easily receive this kind of content, and there is a problem in copyright law.
[0004]
In addition, various encryption methods are used for distributing contents in order to solve problems in the copyright law. However, there is a problem that information to be transmitted must be redundant.
[0005]
The present invention has been made in view of the drawbacks of the prior art described above, and is obtained by encrypting the content to be transmitted by converting the content to be distributed into a color, a color numerical value, or a color digital value and transmitting it. Intended to provide a distribution system.
[0006]
[Means for Solving the Problems]
In order to solve the above-described problem, an information distribution system according to the present invention provides an information distribution system that distributes content provided by an information distributor to an information receiver via a network. Alternatively, it is converted into a color digital value and transmitted.
[0007]
The information distribution system according to the present invention is characterized in that the content to be distributed is divided into a plurality of objects, and each object is converted into the color, color numerical value or color digital value and transmitted. .
[0008]
The information distribution system according to the present invention is characterized in that the object is a digital signal of the content converted and sampled by an A / D conversion circuit.
[0009]
The information distribution system according to the present invention is characterized in that the object is a digital signal of the content that has been subjected to compression processing after being converted and sampled by an A / D conversion circuit.
[0010]
The information distribution system according to the present invention is characterized in that the information distributor side is provided with a color conversion table for converting the content to be transmitted or the object into the color, color numerical value, or color digital value. Is.
[0011]
The information distribution system according to the present invention further comprises a color reverse conversion table for reversely converting the transmitted color, color numerical value or color digital value into the content or the object on the information receiver side. It is a feature.
[0012]
The information distribution system according to the present invention is characterized in that the color reverse conversion table is distributed to the information receiver side via the network.
[0013]
Further, the information distribution system according to the present invention is configured such that the correspondence relationship between the content or the object and the color, color numerical value, or color digital value in the color conversion table and the color reverse conversion table can be arbitrarily changed. It is characterized by.
[0014]
Also, the information distribution system according to the present invention provides color reverse conversion table designation information for designating a color reverse conversion table used when reversely converting the color, color numerical value or color digital value into the content or the object. It is characterized in that the color, the color value or the color digital value is delivered to the information receiver before or simultaneously with transmission.
[0015]
The information distribution system according to the present invention is characterized in that the information receiver who can receive the color reverse conversion table designation information is a specific reception qualified person who has a distribution contract.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the information distribution system of the present invention will be described in detail with reference to the drawings.
[0017]
FIG. 1 is a block diagram of an information distribution system for voice / music, etc. 10 indicates an information distributor side system configuration, and 20 indicates an information receiver side system configuration.
[0018]
The information distributor side system configuration 10 converts the original content data 11 into the color digitized data 13 by the color conversion table 12, and details will be described later.
[0019]
The system configuration 20 on the information receiver side reversely converts the color digitized data 13 distributed via the network 30 into the content restoration data 22 by using the color inverse conversion table 21, and the content restoration data 22 is the sound from the speaker 23. Output and output for recording / storing in the storage device 24 are performed individually or in any combination.
[0020]
The color reverse conversion table 21 decodes the content original data 11 encoded into the color digitized data 13 by the color conversion table 12 into the content restoration data 22. The content original data 11 is transmitted by the network 30 or mailed. Is stored in the information receiver side system configuration 20 before the content is restored to the content restoration data 22.
[0021]
FIG. 2 is a detailed configuration diagram of the system configuration 10 of the information distributor side. In the figure, reference numeral 14 denotes a content original data input unit, and the content original data 11 is input to the content original data input unit 14.
[0022]
Reference numeral 15 denotes a content original data conversion unit. The content original data conversion unit 15 performs A / D conversion on the content original data 11 input to the content original data input unit 14, and converts the content original data 11 into digital data corresponding to the sampling frequency. An A / D conversion circuit that decomposes into data is configured, and a well-known WAVE file and MP3 file for data compression are performed.
[0023]
Reference numeral 16 denotes an object automatic extraction unit, which extracts each digital data decomposed by the content original data conversion unit 15 as one object.
[0024]
Reference numeral 17 denotes an object / color conversion unit. The object / color conversion unit 17 refers to the color corresponding to the object extracted by the automatic object extraction unit 16 with reference to the color conversion table 12 created in advance. Conversion into color 13a, color numerical value 13b or color digital value 13c as digitized data 13 is performed. Details of the color 13a, the color numerical value 13b, or the color digital value 13c will be described later.
In the present embodiment, the color conversion table 12 has been created in advance. However, the present invention is not limited to this, and by using a known automatic dictionary creation method, a new object can be created as an object. The color conversion table 12 may be automatically generated each time a color 13a, a color numerical value 13b, or a color digital value 13c is newly associated with each extraction by the automatic extraction unit 16.
[0025]
Reference numeral 18 denotes a color digitized data output unit. The color digitized data output unit 18 selectively outputs the color 13a, the color numeric value 13b, or the color digital value 13c converted by the object / color conversion unit 17.
[0026]
The selectively output color 13a, color numerical value 13b, or color digital value 13c is transmitted to the information receiver side system configuration 20 via the network 30.
[0027]
FIG. 3 is a diagram showing an example of the color conversion table 12 and the color reverse conversion table 21 used in the information distribution system. In the figure, reference numeral 40 denotes an object generated by the object automatic extraction unit 16. The object 40 quantizes digital data with 16 bits that are generally widely used, and each object is converted into 65, 65 from level 0 to levels 65 and 535. Extracted in 536 stages.
[0028]
The color 13a is expressed by one specific color for each object 40. Specifically, one object 40 is expressed by a minimum of one pixel.
That is, the method in which the color 13a is output from the color digitized data output unit 18 as the color digitized data 13 is a print product as a collection of color dots of one pixel per object in the object / color conversion unit 17. It is output after being read by a scanner or digital camera.
[0029]
Here, assuming that a printed matter as an aggregate of color dots is printed at a density of 1200 dpi, in the case of the present embodiment in which one object is represented by 1.44 million dots per square inch, that is, one dot, 1 square inch. A very large amount of information of 1.44 million objects can be stored on a sheet of size.
Further, when the printed matter is converted as A4 size paper, it is possible to store information of about 140 million objects, which is 97 times the above numerical value.
[0030]
If the sampling frequency is 44.1 KHz, content of about 50 minutes or more can be stored in one sheet of A4 size in an uncompressed state. Further, when the content is compressed by MP3, the data is usually compressed to about 1/10, so that the content of about 8 hours or more can be stored on one sheet of A4 size paper. However, if the content is recorded in stereo, the time is halved.
[0031]
The color numerical value 13 b is expressed by a number from 0 to 65,535 for each object 40.
That is, the method in which the color numerical value 13b is output as the color numerical data 13 from the color numerical data output unit 18 is such that the object / color conversion unit 17 directly outputs the numbers 0 to 65,535. Is.
[0032]
The color digital value 13c represents the distribution of red (R), green (G), and blue (B) for each object 40 in 2-digit hexadecimal numbers.
That is, the method in which the color digital value 13c is output from the color digitized data output unit 18 as the color digitized data 13 is to directly output the 24 bit data in the object / color conversion unit 17. . In the above case, a maximum of 16 million or more objects can be expressed. Therefore, the number of bits is not limited to 24 bits, and is adjusted according to the sizes of the color conversion table 12 and the color reverse conversion table 21. It can be set arbitrarily.
[0033]
FIG. 4 is a detailed configuration diagram of the system configuration 20 on the information receiver side. In the figure, reference numeral 25 denotes a color digitized data input unit. The color digitized data input unit 25 receives the color digitized data 13 transmitted via the network 30.
[0034]
Reference numeral 26 denotes a color / object conversion unit. The color / object conversion unit 26 distributes the color digitized data 13 input to the color digitized data input unit 25 or distributes the color digitized data 13 via the network 30 or mails in advance. The table 21 is referred to and converted into an object corresponding to the color digitized data 13.
Here, when the color 13a is used as the color digitized data 13, it is output as a printed matter as a collection of color dots before being converted into an object, and this printed matter is later output by the color / object conversion unit 26. It is also possible to convert as an object corresponding to 13a.
[0035]
27 is a content original data restoration unit, and the content original data restoration unit 27 performs D / A conversion on the digital data reconverted by the color / object conversion unit 26 in accordance with the sampling frequency to restore the content.
[0036]
The content output unit 28 outputs the content restoration data 22 restored by the content original data restoration unit 27 to the speaker 23 or the storage device 24 alone or in any combination.
[0037]
In the present embodiment described above, the correspondence relationship between the object 40 and the color 13a, the color numerical value 13b, and the color digital value 13c has been described as being fixed. That is, as shown in FIG. 3, the object 40 and the color 13a, the color numerical value 13b, and the color digital value 13c in the same row are mutually converted / inverted. For example, the object 40 and the color 13a The correspondence change information is transmitted to the information receiver at the same time as the information distribution or in advance so that the conversion / reverse conversion is performed between different lines between the color numerical value 13b and the color digital value 13c. It can also be configured to be arbitrarily changeable.
[0038]
As a result, the correspondence change information can not be transmitted to information recipients other than the specific reception qualified persons whose distribution contracts are valid, so that information reception as contract expired persons whose information distribution has expired can be received. The person cannot restore the content correctly and can prevent unauthorized acquisition of the content.
[0039]
In the present embodiment, the color conversion table 12 and the color reverse conversion table 21 have been described as one. However, a plurality of color conversion tables 12 are created, and a plurality of color reverse conversion tables 21 corresponding thereto are distributed. You can also.
In this case, color reverse conversion table designation information indicating which color reverse conversion table is used for information distribution may be transmitted to the information receiver at the same time as information distribution or in advance.
[0040]
As mentioned above, although one Embodiment of this invention was explained in full detail with reference to drawings, this invention is not limited to this Embodiment, What can be implemented by giving this various modifications within the range of a claim It is.
[0041]
【The invention's effect】
The information distribution system according to the present invention is configured as described above, and can be transmitted on an open network such as the Internet while minimizing a large amount of data of various contents such as voice and music. Even a conventional communication line that is not a high-speed communication line such as a network can distribute information at high speed.
[0042]
In addition, the data transmitted over the network is color digitized data, which is not meaningful data itself, so it can be safely delivered without leaking information to third parties. It is possible to avoid problems in copyright law.
[0043]
In addition, the color reverse conversion table distributed to the information receiver can be easily managed.
[Brief description of the drawings]
FIG. 1 is a configuration diagram of an information distribution system of the present invention. FIG. 2 is a detailed configuration diagram of a system configuration of an information distributor. FIG. 3 is a diagram illustrating an example of a color conversion table and a color reverse conversion table. Detailed configuration diagram of the side system [Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 ... Information distributor side system structure 11 ... Content original data 12 ... Color conversion table 13 ... Color digitized data 13a ... Color 13b ... Color numerical value 13c ... Color digital value 14 ... Content original data input part 15 ... Content original data conversion part 16 ... Automatic object extraction unit 17 ... Object / color conversion unit 18 ... Color digitized data output unit 20 ... Information receiver side system configuration 21 ... Color reverse conversion table 22 ... Content restoration data 23 ... Speaker 24 ... Storage device 25 ... Color Digitized data input unit 26 ... color / object conversion unit 27 ... content original data restoration unit 28 ... content output unit 30 ... network 40 ... object

Claims (9)

In the information distribution system in which the distribution side device distributes various sound information to the reception side device via the open network,
The delivery side device
Means for dividing the various sound information into a plurality of levels;
A color conversion table prepared in advance and having a level / color dot conversion unit, a level / color numerical value conversion unit, and a level / color digital value conversion unit;
Each of the plurality of levels, by using the color conversion table to convert the color dot by the level / color dot conversion unit converts the color numerical by the level / color numerical value conversion unit or the level / color, Means for converting to a color digital value by a digital value converter;
Means for selectively transmitting the converted color dots , color values or color digital values over the open network;
An information distribution system comprising:   2. The information distribution system according to claim 1, wherein the level is a digital signal level of the various sound information converted and sampled by an A / D conversion circuit.   3. The information distribution system according to claim 2, wherein the level is set to a digital signal level of the various sound information compressed and sampled after being converted by an A / D conversion circuit. 4. The information distribution system according to claim 1, wherein the color conversion table for converting the level into the color dot , color numerical value, or color digital value is provided in the distribution side device. An information distribution system characterized by The information distribution system according to any one of claims 1 to 3, wherein an inverse color conversion table for inversely converting the transmitted color dots , color numerical values, or color digital values to the level is provided on the receiving side device. An information distribution system characterized by being prepared for.   6. The information distribution system according to claim 5, wherein the color reverse conversion table is distributed to the receiving side device via the open network. 7. The information distribution system according to claim 5 , wherein the correspondence relationship between the level in the color conversion table and the color reverse conversion table and the color dot , color numerical value, or color digital value can be arbitrarily changed. An information distribution system characterized by that. According to claim 1, wherein the information distribution system, the color dots, the color inverse conversion table designation information for designating Luke color inverse conversion table be used when inverse converting color numerical or color digital value to said level, the An information distribution system for distributing the color dots , color numerical values, or color digital values to the receiving apparatus before or simultaneously with transmission.   9. The information distribution system according to claim 8, wherein the receiving side device capable of receiving the color reverse conversion table designation information satisfies a distribution reception permission condition.

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