KR101983772B1 - Learning system for listening - Google Patents

Learning system for listening Download PDF

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Publication number
KR101983772B1
KR101983772B1 KR1020160023426A KR20160023426A KR101983772B1 KR 101983772 B1 KR101983772 B1 KR 101983772B1 KR 1020160023426 A KR1020160023426 A KR 1020160023426A KR 20160023426 A KR20160023426 A KR 20160023426A KR 101983772 B1 KR101983772 B1 KR 101983772B1
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KR
South Korea
Prior art keywords
earphone
frequency
frequency band
communication terminal
audio signal
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KR1020160023426A
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Korean (ko)
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KR20170100926A (en
Inventor
최용일
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소리노리닷컴(주)
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Priority to KR1020160023426A priority Critical patent/KR101983772B1/en
Publication of KR20170100926A publication Critical patent/KR20170100926A/en
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00—Teaching not covered by other main groups of this subclass
    • G09B19/06—Foreign languages
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/04—Electrically-operated educational appliances with audible presentation of the material to be studied
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Acoustics & Sound (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Educational Technology (AREA)
  • Educational Administration (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Headphones And Earphones (AREA)
  • Telephone Function (AREA)

Abstract

A listening learning system is disclosed. The system includes a communication terminal for transmitting an audio signal of a first frequency band to an earphone, and a second frequency band lower than a first frequency band and outputting a frequency of an audio signal received through a wire or wireless communication from the communication terminal Earphone.

Description

{Learning system for listening}

TECHNICAL FIELD The present invention relates to a technology related to an earphone.

An earphone is an electronic product which is inserted into an ear and can personally hear music and the like, and can receive audio reproduced by the audio reproduction device and output it to the user's ear. Therefore, the user can listen to music or listen to a foreign language without damaging the surroundings anytime and anywhere. For reference, Japanese Patent Application No. 10-0788678 discloses an apparatus and a method for noise reduction of an earphone device with respect to an earphone. In addition, Korean Patent Laid-Open Publication No. 10-2014-0010604 discloses a content that enables a learner to learn English listening, etc., by delivering a voice learning content to a learner through an earphone.

Korean Patent Registration No. 10-0788678 (published on December 26, 2007) Korean Patent Laid-Open Publication No. 10-2014-0010604 (published on Jan. 27, 2014)

A technical solution for improving the learning effect of learning a foreign language is disclosed.

According to an aspect of the present invention, a listening learning system includes a communication terminal for transmitting an audio signal of a first frequency band to an earphone, and a communication terminal for transmitting a frequency of an audio signal received through a wire or wireless communication from the communication terminal to a second frequency band lower than the first frequency band And an earphone for outputting after shifting.

The communication terminal can set one of the normal mode for maintaining the frequency of the audio signal intact and the frequency transition mode for transitioning to the operation mode of the earphone.

The earphone can make only the voiced part of the audio signal.

The communication terminal transmits a control signal for adjusting the frequency transition degree to the earphone according to a user input, and the earphone can adjust the frequency transition degree according to the received control signal. Alternatively, the communication terminal transmits a control signal for stepping up the second frequency band up to the first frequency band to the earphone according to the degree of use of the frequency transition mode, and the earphone can adjust the frequency transition degree according to the received control signal.

According to the disclosure, it is possible to improve the learning effect of the foreign language listening, and in particular, to improve the learning effect of the English listening.

1 is a block diagram of a listening learning system according to one embodiment.
2 is a diagram illustrating an audio frequency transition of an earphone according to an exemplary embodiment of the present invention.
3 is a block diagram of a communication terminal in accordance with one embodiment.
4 is a block diagram of an earphone according to one embodiment.
FIG. 5 is a graph showing frequency band comparison by language.
6 shows an example in which the English frequency band is shifted to the Korean frequency band.

BRIEF DESCRIPTION OF THE DRAWINGS The foregoing and further aspects of the present invention will become more apparent from the following detailed description of preferred embodiments with reference to the accompanying drawings. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram of a listening learning system according to one embodiment. FIG. 2 is a diagram illustrating an audio frequency transition of an earphone according to an exemplary embodiment. As shown in FIG. 1, the listening learning system includes a communication terminal 100 and an earphone 200. The communication terminal 100 is a terminal having communication and computing functions. The communication terminal 100 may be a smart phone, a cellular phone, a Personal Communications Services (PCS) phone, a synchronous / asynchronous IMT-2000 (International Mobile Telecommunication-2000) , A personal digital assistant (PDA), a wireless application protocol phone (WAP) phone, a notebook PC, a desktop PC, a Palm personal computer, and the like. Alternatively, the communication terminal 100 is an apparatus having only an audio reproducing function, for example, an MP3 player. The communication terminal 100 is wired or wirelessly connected to the earphone 200 and transmits an audio signal to the earphone 200 through a connected channel. At this time, the audio signal may be a foreign language audio signal, and the foreign language may be English.

And may include an ear jack for connecting to the communication terminal 100 by wire, or may be wirelessly connected to the communication terminal 100 without a separate ear jack. In case of wireless connection, it can be connected by short-range wireless communication method. For example, the earphone 200 is a Bluetooth earphone. The earphone 200 receives an audio signal from the communication terminal 100 and outputs it to the left and right (L, R) ears of the user. The audio may be foreign language audio, for example English audio. An earphone 200 according to an aspect transitions the frequency of an audio signal and outputs the audio signal. The frequency of the audio signal is located in the first frequency band, which is moved to the second frequency band. In one embodiment, the first frequency band is a high frequency band and the second frequency band is a low frequency band. That is, the earphone 200 moves the frequency of the audio signal belonging to the first frequency band to the second frequency band. Thus, as shown in FIG. 2, a high frequency wave is converted into a low frequency wave.

3 is a block diagram of a communication terminal in accordance with one embodiment. The communication terminal 100 may include an input unit 110, a display unit 120, a communication unit 130, an earphone connection unit 140, a storage unit 150, and a controller 160. The input unit 110 may include a physical button or a touch pad for touch input. The display unit 120 is a display for outputting to a user, and may be an LCD (liquid crystal display). The display may be a touch screen integrated with the touch panel to support user input.

The communication unit 130 may transmit at least one of various communication protocols such as TCP / IP, IPX, SPX, NetBIOS, Ethernet, ARCNET, FDDI, IEEE 802.11, IEEE 802.11a, To be connected to the communication network. The earphone connection unit 140 is for wired connection or wireless connection with the earphone 200. The earphone connection unit 140 may be a terminal for a physical connection to an earphone jack of the earphone or may be a configuration for short range wireless communication with the earphone 200. In the latter case, the earphone connection unit 140 may be wirelessly connected to the earphone 200 through Bluetooth or WiFi communication.

The storage unit 150 includes one or more storage means. The storage unit 350 may include an external storage medium such as an SD card in addition to a memory provided in the terminal. The storage unit 150 may store various downloaded applications (applications) in addition to the main program for operating the entire terminal. In addition, the storage unit 150 may store audio contents belonging to the first frequency band. Here, the first frequency band may mean an English frequency band. That is, the audio content refers to English audio content. The controller 160 is a controller for controlling the entire terminal.

The control unit 160 may process the audio content stored in the storage unit 150 or the audio content streamed through the communication unit 130. If the earphone 200 is connected to the earphone connection unit 140, 140 to the earphone 200. The controller 160 according to an aspect may include a mode setting unit 161 and may further include a frequency shift adjuster 162. These configurations can be provided as an earphone dedicated app, and the earphone dedicated app can be stored in the storage unit 150. [ That is, the control unit 160 can perform the mode setting function of the mode setting unit 161 and the frequency transition adjusting function of the frequency transition adjusting unit 162 by loading and executing the earphone dedicated app.

The mode setting unit 161 sets the operation mode of the earphone 200. The earphone 200 may have a normal mode and a frequency transition mode as an operation mode, and the mode setting unit 161 sets one of the two modes as an operation mode of the earphone 200. For example, the mode setting unit 161 sets the mode selected by the user to the operation mode. For this, the mode setting unit 161 may transmit a mode control signal to the earphone 200 through the earphone connection unit 140, which instructs to set either the normal mode or the frequency shift mode to the operation mode. The frequency shift adjuster 162 can adjust the degree of frequency shift of the earphone 200. The frequency transition adjusting unit 162 will be described later for the sake of understanding.

4 is a block diagram of an earphone according to one embodiment. As shown in FIG. 4, the earphone 200 may include a terminal connection unit 210 and a signal processing unit 220. The terminal connection unit 210 is configured for a wired connection or a wireless connection with the communication terminal 100. The terminal connection unit 210 may be an ear jack for electrically connecting to a terminal provided in the communication terminal 100 or may be a configuration for short range wireless communication with the communication terminal 100. [ In the latter case, the terminal connection unit 210 can be wirelessly connected to the communication terminal 100 through Bluetooth or WiFi communication. The signal processing unit 220 transitions the frequency of the audio signal received through the terminal connection unit 210 from the first frequency band to the second frequency band and outputs the second frequency band. Here, the second frequency band is lower than the first frequency band. That is, the first frequency band is a high frequency band and the second frequency band is a low frequency band. The signal processing unit 220 performs the frequency shift only when the operation mode is the frequency transition mode, and the operation mode can be determined according to the control signal received from the communication terminal 100 through the terminal connection unit 210. [ That is, the signal processing unit 220 does not perform a frequency transition in a normal mode, and performs a frequency transition only in a frequency transition mode.

In one embodiment, the first frequency band refers to the English frequency band and the second frequency band refers to the Korean frequency band. That is, the earphone 200 converts English high frequency band into Korean frequency band and outputs it. I will explain the reasons for doing this in detail. Referring to FIG. 5, it can be seen that frequency bands in which the languages are distributed are different in each country. Comparing Korean and English, Korean has a band of 125 to 1500 Hz, and English has a band of 1500 to 3500 Hz. That is, the frequency distributions of Korean and English are not overlapped, and English can be found in the higher frequency band than Korean. Japanese also has a second frequency band as in Korean. From this, it can be seen that Koreans and Japanese are more accustomed to narrow-band sounds and weaker to high-band sounds than English-speaking people. Therefore, the English frequency band is converted into a frequency band familiar to Koreans as shown in FIG.

In one embodiment, the signal processing unit 220 may shift the frequency of the audio signal using a Fourier transform technique. That is, after the audio signal is Fourier-transformed, the coefficient values are entirely shifted to the low-frequency band, and then the inverse Fourier transform is performed again. In this process, the signal processing unit 220 can perform the frequency shift only for the voiced sound section without changing the frequency of the unvoiced sound section of the audio. That is, the voiced sound section and the unvoiced sound section can be distinguished from each other and the count value can be selectively moved. The signal processing unit 220 may lower the frequency band of the audio signal while maintaining the tone color.

On the other hand, the frequency-shift adjusting unit 162 adjusts the degree of the frequency shift performed in the signal processing unit 220 of the earphone 200. The frequency shift adjustment unit 162 transmits the transition adjustment control signal to the earphone 200 through the earphone connection unit 140 and the signal processing unit 220 of the earphone 200 can adjust the frequency shift according to the transition adjustment control signal . In addition, when the frequency of the audio signal is shifted from the first frequency band to the second frequency band, the user can hear English more easily. However, if the user is sufficiently familiar with the audio signal, it is necessary to gradually move the audio signal from a low frequency to a high frequency . To this end, the frequency shift adjusting unit 162 adjusts the degree of the frequency shift.

In one embodiment, the frequency shift adjuster 162 adjusts the degree of frequency transition according to user input. In this case, the user can adjust the frequency transition as desired from the low frequency to the inverse high frequency or from the high frequency to the low frequency. For example, you can adjust the frequency shift in 1Hz or 0.1Hz steps. In another embodiment, the frequency-shift adjusting unit 162 may adjust the second frequency band up to the first frequency band according to the degree of using the frequency transition mode. The degree of use of the frequency transition mode can be proportional to time. For example, the frequency-shift adjusting unit 162 may adjust the second frequency band up to the first frequency band by 1 Hz in units of weeks or 0.1 Hz in units of days. The degree of frequency shift can be automatically adjusted in proportion to the number of listening learning times or listening learning time. In some cases, it may be downwardly adjusted. For example, it may be adjusted downward when the number of learning times or learning time can not achieve a predetermined reference value.

The above-mentioned listening learning system can be called an English listening learning system when it is specialized in English. The earphone can be called a dedicated earphone for listening to a foreign language. If it is specialized for English, it can also be called an earphone for English listening only. The present invention has been described with reference to the preferred embodiments. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the disclosed embodiments should be considered in an illustrative rather than a restrictive sense. The scope of the present invention is defined by the appended claims rather than by the foregoing description, and all differences within the scope of equivalents thereof should be construed as being included in the present invention.

100: communication terminal 110:
120: display unit 130:
140: earphone connection part 150:
160: control unit 161: mode setting unit
162: frequency shift adjustment unit 200: earphone
210: terminal connection unit 220:

Claims (5)

A communication terminal for transmitting an audio signal of a first frequency band to an earphone; And
A terminal connection unit and a signal processing unit,
An earphone for switching the frequency of an audio signal received from a communication terminal through a terminal connection unit in a wired or wireless manner to a second frequency band lower than a first frequency band through a signal processor;
≪ / RTI >
The communication terminal transmits to the earphone a control signal for automatically stepping up the second frequency band to the first frequency band stepwise in accordance with the degree of use of the frequency transition mode proportional to the number of learning times or the listening learning time,
The signal processor of the earphone adjusts the degree of frequency transition according to the received control signal,
The signal processing unit of the earphone changes the voiced sound section of the audio signal without shifting the frequency.
The method according to claim 1,
The communication terminal sets one of the normal mode for maintaining the frequency of the audio signal as it is and the frequency transition mode for transition to the earphone operating mode.
delete The method according to claim 1,
The communication terminal transmits a control signal for adjusting the frequency transition level to the earphone according to a user input,
The earphone adjusts the degree of frequency shift according to the received control signal.
delete
KR1020160023426A 2016-02-26 2016-02-26 Learning system for listening KR101983772B1 (en)

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KR101983772B1 true KR101983772B1 (en) 2019-05-29

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210008688A (en) 2019-07-15 2021-01-25 주식회사 이볼케이노 Language acquisition assistance system using frequency bands by language
KR20210086182A (en) 2019-12-31 2021-07-08 (주)헤이스타즈 System and method for studying korean pronunciation using voice analysis
KR20230166627A (en) 2022-05-31 2023-12-07 정성태 the real-time non-face-to-face listening training method and the system using the AI

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002062886A (en) * 2000-08-14 2002-02-28 Kazumi Komiya Voice receiver with sensitivity adjusting function
KR101141793B1 (en) * 2011-08-22 2012-05-04 광주대학교산학협력단 A language learning system with variations of voice pitch
KR101590046B1 (en) * 2015-12-16 2016-02-01 (주)디라직 Audio apparatus and method for inducing brain-wave using binaural beat

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000002500A (en) * 1998-06-20 2000-01-15 윤종용 Foreign language conversation presenting method of wireless mobile telephone
KR100788678B1 (en) 2006-01-14 2007-12-26 삼성전자주식회사 Apparatus and method for reducing noise of earphone
KR20140010604A (en) 2012-07-16 2014-01-27 주식회사 미래엔 The contents for voice education by using readable identification code and thereof providing method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002062886A (en) * 2000-08-14 2002-02-28 Kazumi Komiya Voice receiver with sensitivity adjusting function
KR101141793B1 (en) * 2011-08-22 2012-05-04 광주대학교산학협력단 A language learning system with variations of voice pitch
KR101590046B1 (en) * 2015-12-16 2016-02-01 (주)디라직 Audio apparatus and method for inducing brain-wave using binaural beat

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210008688A (en) 2019-07-15 2021-01-25 주식회사 이볼케이노 Language acquisition assistance system using frequency bands by language
KR20210086182A (en) 2019-12-31 2021-07-08 (주)헤이스타즈 System and method for studying korean pronunciation using voice analysis
KR20220039679A (en) 2019-12-31 2022-03-29 (주)헤이스타즈 Method for providing personalized problems for pronunciation evaluation
KR20230166627A (en) 2022-05-31 2023-12-07 정성태 the real-time non-face-to-face listening training method and the system using the AI

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