KR100836955B1 - Study system using telephone - Google Patents

Abstract

A study system and a study method for interactive question and answer are provided to play lectures in a user PC(Personal Computer) by supplying lectures through the internet by using converted voice data in an auto-answering server using a telephone. In a study system for interactive question and answer, an auto-answering server downloads the contents of the lecture from a web server(40), converts the contents of the lecture into a voice signal, and then sends the voice signal by automatically making a call to the designated telephone at the preset time. A voice synthesizing engine outputs questions as voice according to a command of the web server in asking questions or checking the order. A voice recognition engine recognizes questions and answers of registrants sent through the telephone.

Description

Teaching and learning apparatus and method capable of interactive Q & A {Study system using telephone}

1 is a wired and wireless network relationship diagram used in the present invention,

Figure 2 is a schematic block diagram showing the configuration of a teaching and learning apparatus according to an embodiment of the present invention,

3 is a flowchart for explaining an operation according to the configuration of FIG.

4 is an exemplary configuration of a wireless earphone of the wireless telephone of the present invention;

5 is an exemplary configuration diagram of a wireless earphone of FIG. 4;

6 is a flowchart of the teaching-learning method of the present invention.

Explanation of symbols for the main parts of the drawings

10: public telephone network 12: telephone 20: answering machine

30: conversion server 40: web server 54; mobile phone

55; Bluetooth module 60: Internet network 61, 62: User PC

100; Bluetooth communication device (earphones) 110; RF transmitter 120; RF receiver

130; baseband processor 131; microphone 132; speaker

140; communication control unit

The present invention relates to a teaching and learning apparatus and method capable of two-way question-and-answer learning, and more particularly, a telephone voice can be output from a user PC in real time from an internet network, and the contents of a pre-stored lecture can be heard at a predetermined time through a telephone. To a teaching and learning apparatus and method.

Conventionally, an internet environment for transmitting and providing voice data using a computer in an internet network has been established, and an internet business operating a web server has been made through such an internet environment.

For example, not only various music files, but also homepages of member companies (infant education related) provide voice data such as storytelling for each kindergarten. Is being provided.

To do this, the voice must be recorded separately, converted into a WAVE file, and stored in the storage means of the web server. Therefore, it is difficult to apply the teaching and learning method to lecture and listening.

In addition, there are various types of voice data provided on the web, such as WAVE, MID, RA, RM, MP2, and MP3 AI. Except for a few things that are difficult to implement, RA, RM, etc. are server-dependent, and the RealAudio SERVER is very expensive, and there is a problem in that it is expensive to download and spray it on the web with real-time data streaming.

In addition, since the volume of the voice data file is large, the user's computer that is transmitted through a general telephone communication line using a modem cannot receive and output in real time. There is a problem that it takes a lot of time and is cumbersome. In other words, you can record in MP2 or MP3 format and provide it. However, the quality of MP format is excellent, but unless the recorded source requires high quality, the file size is relatively large. It is quite burdensome for users who connect to the web to dial in, except for users in PC rooms or local areas where high-speed Internet service is used.

Accordingly, the present invention is to solve such a problem, it is possible to provide voice data using the telephone, and furthermore, it is possible to output the telephone voice from the user PC in real time without having to download the voice data from the Internet network The purpose of this course is to provide a lecture service system using a telephone so that a user can listen to a pre-stored lecture.

Another object of the present invention is to store the contents of the lecture, the subscriber to call the server or listen to the lecture in response to the call of the answering machine, to see the test question during the lecture, and to check whether it is the correct answer, The purpose is to provide a lecture service system using a telephone that enables interactive lectures rather than simple lectures.

In order to achieve the above object, a lecture service system using a telephone according to an embodiment of the present invention receives a voice signal from a telephone in an automatic answering system through a public telephone network, converts it into low-frequency digital voice data, and converts the converted voice. By converting the data into digital voice data of high frequency that can be output by the media player and providing it through a web server and the internet network, the digital voice data of the converted high frequency is transmitted and reproduced in real time without being downloaded from the user's PC. Characterized in that.

The low frequency voice data is a 4000 Hz * .vox file, and the high frequency voice data converted by a conversion program such as a sound purge or gold wave in the conversion system is preferably converted into a * .wav file of 6000 Hz or more.

Another example of the present invention is a system for providing voice data from a web server on an Internet network:

A lecture database for storing lectures in digital form;

A web server that receives a call from a telephone subscriber who listens to the lecture and sends the contents of the lecture database to the answering machine;

An automatic response server that automatically calls the telephone to listen to the lecture when the set time is received and converts the lecture contents from the web server into voice signals; And

It includes a telephone to answer the lecture by an automatic answering server and a web server.

As an example of the teaching and learning method of the present invention, a call of an automatic answering server or a web server commanding a web server to select a lecture as guided by the subscriber and the automatic answering server guiding the lecture through the telephone network when the subscriber calls the web server. A first process performed by the auto-response server according to;

A second process of reading the lecture contents from the web server database and giving the lecture through an automatic response server when the instruction is received;

A third step of submitting a question during the lecture or at the end of the lecture and checking on the web server whether the telephone caller is answering;

A fourth process of performing the third process until the set problem is finished;

After completing the fourth process, a fifth process of recording and accumulating the results of the grade evaluation is performed.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a configuration diagram in which a general telephone wired network (A), an Internet wired network (B), and a wireless network are combined, and a general telephone wired network (A) provides a circuit through a switched network (PSTN) 10. It consists of a general telephone (12) used by subscribers subscribed to the switching center 11, such as Korea Telecom. Internet wired network (B) is a computer 23 for connecting to the Internet information provider 21 by a dedicated line through a router 22 provided by an Internet information provider (ISP) 21, such as Hanaro Telecom, for example, Internet network 30, which is a packet network that makes Internet communication with other Internet information providers 21-1, and packet networks from the Internet information providers 21, 21-1 by converting them into circuit networks. And a network converter 40 for connection with the reference numeral 22. They communicate with the subscribers of the general telephone 12 through the switching center 11, and the subscribers subscribed to the Internet information provider 21 request the subscriber number through the Internet information provider 21 and connect to each other. . In addition, when connecting to the computer 23 user through a modem through the general telephone 12, the network converter 40 connects to the computer 22 having a corresponding IP so as to send and receive mail or to make a call. do.

On the other hand, the wireless network is divided and distributed in each region, and the base station 51 which exchanges data with the mobile phone 54 which is a mobile phone, the base station center 52 which manages each base station 51 in a certain group, and each base station It comprises a switching center 53 that manages the center 52, recognizes customer numbers and the like, checks talk time, and the like, and performs an exchange function. The exchange station 53 may be, for example, SK Telecom 011, and the connection with another exchange station 53-1 (e.g., 017) may be used by transcoding the data so that mutual communication is possible by agreement. Doing. Reference numeral 61 denotes a user fish that connects to the Internet 60.

2 is a schematic block diagram illustrating a configuration of a voice data internet lecture service system using a telephone according to an embodiment of the present invention, and FIG. 3 illustrates an operation according to the configuration of an internet lecture service system using a telephone of FIG. A flow diagram for this is shown.

In FIG. 2, the public telephone network 10, the answering machine 20, and the voice data conversion server in order to provide voice data to the user PCs 61 and 62 in real time through the Internet network 60 using the telephone 12 in FIG. 30 and a web server 40 connected to the Internet network 60, the telephone 12 and the answering machine 20 are connected to the public telephone network 10, and the answering machine 20 Is connected to the conversion server 30, the conversion server 30 is connected to the web server 50, with the sound card and the conversion program embedded therein.

The automatic answering server 20 converts and stores the voice signal of the telephone 12 into a * .vox file, for example, and is provided commercially with a modem, tone decoder, switching means, etc. Dialogic (D240SC-T1). It can be exemplified to include a card. In addition, the automatic answering server 20, the conversion server 30, the web server 50 and the user PC (61, 62), the central processing unit, modem, monitor, keyboard, hard drive, sound card, speaker, etc. It may be configured to include.

The conversion server 30 may be a general personal computer, but converts a plurality of * .vox files received from the plurality of phones 12 and converted to * .wav files in real time and transmitted to the web server 50. Preferably, a commercial conversion program for converting a * .vox file of 4,000 Hz frequency into voice data of a * .wav file of 6,000 Hz includes sound purge and gold wave.

In the automatic answering server 20, the voice signal received through the telephone is stored as a * .vox file, which is a digital voice data file, and the * .vox file has a low frequency of about 4,000 Hz. By converting and providing * .wav file of about 6,000Hz that can be played and output by using, it is possible to provide voice data file of small capacity so that it can be easily played and output on user PC 61 and 62 in real time. I would have to.

The present invention may also lecture the contents of the lecture stored in the lecture database 45 of the web server 40 through the phone 12. For this purpose, the web server 40 and the line ( L1) When the connection is premised, the web server 40 automatically sends a line (the number stored in the web server 40 to the member's phone number to listen to the member's phone number for the lecture) to the automatic response server 20 After switching to L2), the switched autoresponder server 20 induces an autoresponder to select and listen to a lecture. Of course, the auto-response server 20 for the lecture, when the time comes to automatically call to the phone number of the listener to receive the call to listen to the lecture.

Internet lecture service system using the phone configured as described above, the voice signal of the other party received in step S2 is automatically answered by calling by dialing through the answering machine 20 in step S1 as shown in FIG. At 20, the signal is converted into a digital signal and stored as a * .vox file.

In this way, the * .vox file converted by the automatic response server 20 is converted into a * .wav file through the frequency conversion by the conversion server 30 in step S3, and loaded into the web server 40 (step S4). ).

When the user PCs 61 and 62 access the web server 50 via the Internet network 60 and click the desired * .wav audio file (step S5), the user PCs 61 and 62 are transferred to the user PCs 61 and 62. At this time, in step S6, the user PCs 61 and 62 drive the media player of the MS window on Internet Explorer or Netscape, and play the transmitted * .wav file in step S7 and output it through the sound card and the speaker. On the other hand, it may be configured to include a database server for managing the above-described voice data file. In this case, the lecture is performed through the telephone 12 and the lecture can be listened to through the user PCs 61 and 62 through the Internet network 60.

Since the voice data of 4,000Hz low frequency converted by the automatic answering server 20 is converted into a high frequency voice data file of about 6,000Hz, the capacity of the transmitted file, that is, the file size is less than 1 megabyte per minute, Even if the user PCs 61 and 62 are reproduced and outputted in real time from the Internet network 60, a seamless voice can be heard. In particular, when the user PC 62 transmits a telephone line or a modem, You will hear the voice.

In addition, the contents of the lecture are provided by loading the voice signal input from the telephone 12 to the web server 40 via the automatic response server 20 and the conversion server 30. Various lecture voices such as interviews, storytelling in kindergarten, etc. can be provided through the Internet network 60 in real time. In particular, it will be most effective for general users because it provides files in WAVE format that can be easily opened with only media player, which is basically supported media player in MS Windows environment.

Meanwhile, the present invention stores the pre-stored lecture contents in the lecture database 45 and calls the subscriber's telephone number subscribed by the automatic response server 20 to select other lecture contents and time in the automatic response. Through the general telephone 12 or through a mobile phone (mobile phone) 54, the contents of the lecture can be heard. Of course, for this purpose, the lecture database 45 can be listened to using the public telephone network 10 through the web server 40 and the automatic response server 20 and the line L2 connection.

4 is a simplified configuration diagram of a mobile phone that performs Bluetooth wireless communication with a wireless Bluetooth communication device (earphone). When the Bluetooth communication device 100 that exchanges data with the mobile phone 54 wirelessly is used as an earphone, Bluetooth wireless communication is performed. This is performed through the wireless transmission operation with the mobile phone 54 within the distance. The Bluetooth earphone 100, which is the Bluetooth communication device, and the controllable mobile phone 54 should be provided with a Bluetooth module 55 in themselves.

5 is a block diagram of the earphone 100 which is the Bluetooth communication device, wherein the Bluetooth earphone 100 is an RF transmitter 110, an RF receiver 120, a baseband processor 130, and a communication controller ( 140). The RF transmitter 110, the RF receiver 120, and the baseband processor 130 form a transceiver.

The RF transmitter 110 modulates and amplifies a data packet for wireless transmission generated by the baseband processor 130 in a predetermined frequency band and transmits the modulated amplification.

The RF receiver 120 suppresses the amplification of the noise of the received frequency signal as much as possible, amplifies the signal of the set frequency band, lowers the signal to a low frequency band, and applies it to the baseband processor 130.

The baseband processor 130 changes the packet format to add an access code and a header to various HCI (HOST CONTROL INTERFACE) data packets applied from the communication control unit 140, and the predetermined data packet for wireless transmission again. In this case, the RF transmission unit 110 wirelessly transmits the frequency band set through the RF transmitter unit 110, and converts the data packet received through the RF receiver unit 120 into the HCI packet to the communication control unit 140.

The communication control unit 140 controls the overall operation of the Bluetooth communication device, and when it receives an inquiry response message (inquiry response data packet) from the baseband processor 130, it connects with the mobile phone. ). The baseband processor 130 includes a microphone 131 for converting voice into a digital signal for transmission, and a speaker 132 for analog converting and outputting a voice signal received through the mobile phone 54. Illustration of the actuation switch is omitted.

In an embodiment of the present invention, if a mobile phone is used instead of a wired phone and the earphone 100 with Bluetooth wireless technology is applied to the mobile phone, the user does not need to pick up the handset and listen to the receiver. .

The present invention can be utilized as a comprehensive learning unit by combining game consoles or other functions and combining memory storage means in a separate housing with a built-in telephone.

6 is an embodiment of the teaching-learning method of the present invention. A subscriber or an auto-responder server guides a lecture through a telephone network as a guide of a call or a subscriber of an auto-responder server or a web server calling a web server. A first step (S11) performed by the automatic response server according to the instruction of the web server to select;

A second step (S12) of reading a corresponding lecture content from a web server database and giving a corresponding lecture through an automatic response server when responding to the guided instruction;

A third step (S13) of submitting a question during the lecture or at the end of the lecture and checking on the web server whether the telephone caller is answering;

A fourth step S14 of performing the third step S13 until the set problem is over;

After completing the fourth process (S14) is performed a fifth process (S15) to record and accumulate the results of the grade evaluation.

An example of performing this is to make a connection by making a call connection request to the web server 40 set through the line L1 using a telephone, or by using a public telephone network 10 through the automatic answering server 20 ( 12) When a line connection is established through the connection or a line connection is made through the cellular phone, the wireless network (C),

The automatic response server 20 reads the storage lecture database 45 through the line L2 connection with the web server 40 and selects the lecture as guided by the automatic response server 20 (S11).

When the subscriber presses (selects) the desired number through the button of the telephone 120, the web server 40 recognizes the contents and retrieves the contents from the lecture database 45 to start the lecture through the automatic response server 200. (S12).

During the lecture or when the lecture is finished, the question is retrieved from the lecture database 45 of the web server 40 according to the stored order and the question is asked through the automatic response server 20, and the subscriber receives the answer. When the data is temporarily stored in the web server 30 through the voice data conversion server 300, the web server 40 determines whether or not match the pre-stored answers (S13).

In this case, the problem may be many or may be a short answer, so the web server 40 checks whether the problem is completed (S14).

After the process (S14) is completed, the evaluation result is carried out by the web server 40 itself program, and stored in the lecture database as a perforated voice data in the lecture database so that the result can be notified by voice.

7 is another embodiment of the present invention, an apparatus for providing voice data to call the contents of the automatic answering server 20 to the phone 12,

An automatic response server 20 which automatically makes a call to the telephone 12 to listen to the lecture and receives the lecture contents from the lecture database 45 of the web server 40 and converts the lecture contents into a voice signal;

Speech synthesis engine 21 for implementing the questions in speech according to the instructions of the web server 40 when checking the questions or the sequence during the lecture; and

It comprises a voice recognition engine 22 for recognizing the subscriber's question and answer through the phone. Reference numeral 60 denotes an internet network, and reference numeral C denotes a wireless network that enables wireless telephones such as cellular phones.

This method allows the user to view questions or tests according to the contents of the lecture according to the educational content according to the setting instructions of the web server 40 by using the speech synthesis engine, and the speech recognition engine 22 recognizes this to recognize the differences in the tone. Nevertheless, it is possible to accurately determine whether the answer is correct, thereby enabling interactive lectures.

8 shows a memory chip 56, which is a storage means, coupled to an input / output port (usb port) of a general telephone 12 or a mobile phone 54, the memory chip 56 stores lecture contents, and the controller of the mobile telephone includes lecture contents. If you program it to read, you can choose to listen to the lesson with just your phone.

9 is another embodiment of the present invention, the audio-visual teaching and learning terminal housing;

A control unit installed in the housing and controlling to implement teaching-learning content;

A memory chip that provides contents of the controller and is replaceable; And

Including a modem for uploading / downloading education contents to an automatic response server and a web server;

The automatic response server 20 includes a speech synthesis engine 21 and a speech recognition engine 22;

The lecture listens to the speaker 77 through the auto-response server 20 based on the contents stored in the database 45 of the web server 40, and answers the response through the microphone 76 of the auto-response server 20. Provides a teaching and learning device to recognize the voice recognition engine 22 to enable two-way lectures. Reference numeral 75 is a sound card for converting voice signals through the microphone 76 and the speaker 77.

Such a teaching-learning device can listen to and learn a lecture using only its own memory chip 56.

By accessing the web server 40 and the answering machine 20 via the modem 72, the contents of the lecture database 45 can be heard.

According to the command of the web server 40 through the voice synthesis engine 21 and the voice recognition engine 22 of the automatic response server 20, the question can be given through the voice synthesis engine 210, and if a question is answered By using the voice recognition engine 220 of the automatic response server 20, the user can recognize the incorrect answer. Therefore, the user can make a two-way lecture as if the teacher lectures next to him even without the teacher. You can listen to a lecture by connecting to it, so you can take a lecture without a computer.

According to the configuration and operation of the Internet lecture service system using the telephone according to the embodiment of the present invention described above, the MS by providing a lecture through the Internet network using the converted voice data in the automatic answering server 20 through the direct telephone It can be played and printed on the user's PC under the window environment, so that lectures can be provided on the internet network without any recording using the telephone.The user's PC, in particular, the user's PC using the telephone line and modem can be provided in real time. As a result, it is possible to play and output high quality voices from the Internet.

In addition, if the contents of the pre-stored lectures are provided to a general telephone or a mobile phone, a telephone lecture can be listened to without a computer or the like using a separate internet network, so that a person who has no time can listen to the lecture through a telephone.

And if you're using wireless Bluetooth earphones, you can take a long lecture over the phone without the burden of having to call someone else.

Therefore, users can learn by paying only the telephone costs, so that private education costs can be reduced. To reduce the telephone costs, the use of memory chips (means) does not cost anything other than the purchase cost.

You can learn while working on the go, you can learn according to the level, and you can immediately feedback according to the design of the lecture program, and you can have the advantages of generality, publicity, accessibility, utility, and diversity evenly. According to the theory and education theory, we can develop the learning according to the learning theory such as the principle of interest, the principle of small stem, the principle of immediate response, the principle of aggressiveness, and the principle of spontaneity.

In addition, lifelong education can be more defensive, visually impaired can be used, and if the server's lecture database is stored in the memory means, students do not need to carry books separately. Learning progress, participation, grades, etc. can be displayed in various formats including recording, and when using a separate server for each educational institution by school and academy, it can be used for various purposes such as notice board, voice memo, contact book, and review preparation interconnection. In some cases, communication between members is easy.

Claims (7)

delete delete delete delete In a device that provides voice data to call the contents of an answering machine to the phone: An automatic response server 20 which automatically calls the telephone to listen to the lecture and converts the lecture contents into a voice signal when the set time is reached; Speech synthesis engine 21 for implementing the questions in speech according to the instructions of the web server 40 when checking the questions or the sequence during the lecture; and It comprises a speech recognition engine 22 for recognizing the questions and answers of the subscribers through the phone, bi-directional question-and-learning device capable of learning. delete Calls from the auto answering server or subscribers to the web server. The subscriber and the auto answering server perform the call in response to the instructions of the web server to guide the lectures through the telephone network and select the lectures according to the instructions. 1 course; A second process of reading the lecture contents from the web server database and giving the lecture through an automatic response server when the instruction is received; A third step of submitting a question during the lecture or at the end of the lecture and checking on the web server whether the telephone caller is answering; A fourth process of performing the third process until the set problem is finished; After completing the fourth process, a fifth learning method for recording and accumulating the results of the grades is carried out.

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