KR100456028B1 - Portable apparatus capable of training sing a song and pronouncing - Google Patents

Abstract

Disclosed is a portable device capable of practicing singing and pronunciation. The portable device includes an audio signal processor for outputting an audio signal read from a recording medium, a microphone for converting a user's voice into a voice signal, a signal synthesizer for receiving and synthesizing the audio signal and the voice signal, and a signal synthesized for the signal. An audio output unit for outputting a signal, a voice recognition unit for receiving and comparing the audio signal and the voice signal, respectively, a display unit for displaying the comparison result of the voice recognition unit, and a voice signal output from the microphone is selectively selected to the signal synthesis unit and the voice recognition unit And a switch for switching to be delivered. Simultaneously output the sound signal reproduced from the recording medium and the voice signal flowing through the microphone, and compare the sound signal and the voice signal in one device, so that the user can easily practice singing and pronunciation. It can be used by operation.

Description

Portable apparatus capable of training sing a song and pronouncing}

The present invention relates to a portable device capable of singing and pronunciation practice, and more particularly, to a song practice function through a recording medium on which music data is recorded and a pronunciation exercise function on a recording medium on which language data is recorded. The present invention relates to a portable device capable of practicing singing and pronunciation.

In general, the apparatus for singing practice may be an example of a karaoke apparatus installed in a wide space such as karaoke. Such a karaoke device has a large product and a weight that cannot be easily moved by a user. In addition, since the unit is a large karaoke apparatus, the unit cost required for purchasing the product is expensive, and when installed in a predetermined space, there is a problem in that the movement is inconvenient. Meanwhile, in order to update a new song to a karaoke device, a service of a corresponding technician is required, and due to limited memory capacity, there is a restriction in performing a new song update. In addition, the practice of singing while the user moves is limited due to the limited connection line between the microphone and the karaoke apparatus.

In addition, the conventional pronunciation practice device is generally used to store the language learning content in a magnetic tape. The user listens to the pronunciation through a cassette that reproduces the magnetic tape and exercises the pronunciation by following the reproduced pronunciation using the recording function of the cassette.

On the other hand, in order for the user to selectively use the song practice and pronunciation practice, there is no device that combines the karaoke function and the pronunciation practice function, so that both the karaoke device and the pronunciation practice device should be provided. This is a problem that the user is accompanied by the space constraints required for installation as well as the cost of the product purchase.

Even if a user purchases a portable song practice apparatus and a pronunciation practice apparatus and uses the apparatus as necessary while carrying the user, there is a hassle of always carrying two products.

In addition, when the pronunciation reproduced by the pronunciation exerciser and the user's pronunciation is compared, the reproduced pronunciation and the user's pronunciation are output through the speaker to compare depending on the user's hearing. This is difficult to compare objective and accurate sound.

An object according to the present invention for solving the above problems is, first, a song and pronunciation practice that can be selectively performed through one device to practice the song through the music data to be reproduced and the language data to be reproduced through a single device This is to provide a possible device. Secondly, to provide a portable device that is made to be portable to perform a song and pronunciation practice in common. Third, to provide a portable device capable of practicing the song and pronunciation that can objectively compare the pronunciation of the reproduced language data and the user's pronunciation.

1 is a view showing a portable device capable of practicing singing and pronunciation according to the present invention;

FIG. 2 is a diagram illustrating one surface of a DCD, which is an optical recording medium applied to FIG. 1, divided by recording area, and

3 is a view illustrating a state in which a comparison result of the voice recognition unit of FIG. 1 is displayed on an LCD window.

Explanation of symbols on the main parts of the drawings

10: DCD 30: DCD Player

31: DCD Deck 33: DCD Servo

35: DCD microcomputer 37: detection unit

39: storage 40: host

41: voice signal processing unit 42: signal synthesis unit

43: sound output unit 44: host microcomputer

46: first switch 47: voice recognition unit

48: second switch 50: microphone

60: operation panel 62: switching key

64: function key 66: voice output key

70: LCD window 100: mobile device

In order to solve the above problems, a portable device capable of practicing singing and pronunciation according to the present invention includes an audio signal processor for outputting an audio signal read from a recording medium, a microphone for converting a user's voice into a voice signal, an audio signal and A signal synthesizer for receiving and synthesizing voice signals, a sound output unit for outputting the synthesized signal, a voice recognition unit for receiving and comparing sound signals and voice signals, and a display unit for displaying a comparison result of the voice recognition unit; And switching means for switching so that the voice signal output from the microphone is selectively transmitted to the signal synthesis unit and the voice recognition unit.

Preferably, the switching means, the switch provided on the operation panel, and the switch controlled by the user, and a switch for selectively transmitting the audio signal output from the microphone to the signal synthesizing unit and the voice recognition unit to be controlled according to the operating state of the switching key It includes. The display unit is an LCD display for displaying a comparison result of the voice recognition unit on the screen. On the other hand, the speech recognition unit is designed to output a character by pattern recognition of the signal received from the sound signal processing unit and the microphone. Therefore, the display unit displays a character that the voice recognition unit outputs by pattern transplantation.

According to the present embodiment, the portable device further includes an intermittent means for controlling the audio signal so that the audio signal can be output by the sound output unit. The control means includes an audio output key provided on the operation panel and controlled by a user, and an intermittent switch for controlling the transmission of the audio signal output from the microphone to the sound output unit controlled according to the operation state of the audio output key. Accordingly, the interrupting means controls the switching operation of the interruption switch so that the sound signal is output by the sound output unit when the sound signal is transmitted to the sound recognition unit by the switching means.

According to the present invention, by implementing the function of simultaneously outputting the sound signal reproduced from the recording medium and the audio signal flowing through the microphone, and the function of comparing the audio signal and the audio signal in one device, the practice and singing Pronunciation practice can be used by the user's easy key operation.

Hereinafter, the present invention will be described in more detail with reference to the drawings.

1 is a view showing a portable device capable of practicing singing and pronunciation according to the present invention. According to the figure, an example in which the DCD player 30 is applied to a portable device is illustrated. FIG. 2 is a diagram illustrating one surface of the DCD 10, which is an optical recording medium applied to FIG. 1, divided by recording area.

First, referring to FIG. 2, the digital convergence disk (DCD) 10 is a circular plate and is a microscopic optical recording medium capable of recording on both sides with a diameter of 32 mm. Therefore, the DCD 10 can record a large amount of data of 250 megabytes (Mbyte) on one side and 500 megabytes on both sides compared to its size. Types of data that can be recorded in the DCD 10 include music, language, digital photography, video, multimedia, games, and document data.

In the figure, the DCD 10 is divided into a hole 12, a unique number recording area 14, a data recording area 16, and a file system recording area 18 in the circumferential direction from the center of the circle. The hole 12 refers to a hole formed in the central portion of the DCD 10, and mitigates shaking while the DCD 10 is rotated. The unique number recording area 14 of the DCD exists in a circle at equal intervals around the hole 12. In the unique number recording area 14, different unique numbers are recorded for respective DCDs. In addition, since the DCD 10 is an optical recording medium capable of recording on both sides, the unique number recording area 14 includes information identifying one side and the other side of the corresponding DCD 10.

The data recording area 16 occupies most of the capacity of the DCD 10 as an area in which data is recorded. The file system recording area 18 is formed in the outermost part of the DCD 10, and information about a file recorded in the DCD 10, that is, file system information is recorded. The file system information includes a file size, a file name, a recording date and time for a file recorded in the data recording area 16, a format of a recorded file, directory information of recorded data, and a last modified date and time of the file. Say. In addition, the file system information according to the present exemplary embodiment includes language data recognition information for recognizing that the recorded data is language related data when the data recorded in the DCD 10 is language related data.

Referring to FIG. 1, a device capable of reproducing data recorded in the DCD 10 and recording data in the DCD 10 is referred to as a DCD player (Digital Convergence Disc Player) 30. The DCD player 30 has an advantage that the size is a small size that is easy to carry and move. The DCD player 30 may be a computer, a digital audio player / recorder, a video player / recorder, a notebook, a personal digital assistant (PDA). It is installed in digital cameras, voice recorders, game machines, karaoke devices, and language learning devices, and can be used to record and reproduce data.

The DCD player 30 may rotate the DCD deck 31 and the DCD deck 31 in order to read data recorded in the DCD 10 or to write data in the DCD 10. For the DCD 10 through the DCD servo 33, the storage unit 39 for storing information about the data recorded in the DCD 10, the DCD deck 31 in accordance with a control signal input from the outside And a detection unit 37 for detecting the attribute of data recorded through the file system recording area 18 of the DCD. At this time, the detection unit 37 detects whether the language data recognition information exists from the recorded information of the file system recording area 18 loaded through the DCD deck 31. When the DCD microcomputer 35 detects that the linguistic data recognition information exists in the detector 37, the DCD microcomputer 35 inputs the data reproduced from the DCD 10 to the host 40 that controls the DCD microcomputer 35. do. The data recorded in the DCD 10 according to the present embodiment is sound data, and it is assumed that the data is music data or language data capable of practicing pronunciation.

As shown, the portable device 100 capable of practicing singing and pronunciation according to the present invention includes a microphone 50 for converting a user's voice into a voice signal, a voice signal input from the microphone 50, and a DCD player 30. LCD 40 that displays the operating status of the host 40 for synthesizing or comparing the sound signals input from the host 40, the operation panel 60 for transmitting a corresponding operation signal to the host 40 according to the user's selection, and the host 40. Have 70.

The host 40 includes a sound signal processor 41 and a sound signal processor 41 for converting sound data input from the host microcomputer 44 and the DCD player 30 that control the operation of the DCD microcomputer 35 into sound signals. A signal synthesizer 42 for receiving and synthesizing the sound signal converted from the microphone 50 and the voice signal input from the microphone 50, a sound output unit 43 for outputting the synthesized signal synthesized by the signal synthesizer 42, LCD window 70 for displaying a comparison result of the voice recognition unit 47 and the voice recognition unit 47 for receiving and comparing the sound signal converted from the sound signal processing unit 41 and the voice signal input from the microphone 50, respectively. And a first switch 46 which performs a switching operation so that the voice signal input from the microphone 50 is selectively transmitted to the signal synthesizing unit 42 and the voice recognition unit 47.

On the other hand, between the voice recognition unit 47 and the sound output unit 43, when a voice signal is input to the voice recognition unit 47, the second switch 48 for switching and outputting the input voice signal to the sound output unit 43 ) Is provided. The voice signal input from the microphone 50 is input to the voice signal output unit 45 which performs frequency amplification with respect to the input signal, and the voice signal amplified by the voice signal output unit 45 is the first switch 46. It is selectively output to the signal synthesis unit 42 and the voice recognition unit 47 through. If the voice signal is switched to be output to the voice recognition unit 47 through the first switch 46, the second switch may be output from the voice recognition unit 47 to the sound output unit 43. Turn on (48).

The operation panel 60 includes a switching key 62 for allowing the first switch 46 to perform a switching operation according to a user's selection signal input, and a second switch 48 for a switching operation according to a user's selection signal input. A voice output key 66 and a function key 64 provided with a selection key corresponding to the operation of the DCD player 30. The signal input from the function key 64 is input to the host microcomputer 44, and the host microcom 44 controls the operation of the host 40 and the DCD microcomputer 35 according to the input signal. As the type of the function key 64, the host microcomputer 44 is selected for an operation requiring a user's selection command during the operation of the play key, the pause key, the stop key, the selection key, the record key, and the host 40 for the DCD. For example, a selection key for selecting a selection menu displayed on the LCD window 70 may be used.

In order to perform the song practice function according to the present embodiment, first, as the switching key 62 is selected by the user, the switching key 62 causes the first switch 46 to be switched to the signal synthesizing unit 42. The user selects a play key (not shown) of the function key 64 and sends a command to the host microcomputer 44 to play the DCD. The host microcomputer 44 transmits a reproducing command signal, which is a command for reproducing, to the DCD microcomputer 35. The DCD microcomputer 35 controls the operations of the DCD servo 33 and the DCD deck 31 according to the inputted playback command signal. At this time, the DCD deck 31 is a state in which the song training DCD is inserted. The music data reproduced through the DCD deck 31 is transmitted to the sound signal processor 41 through the DCD microcomputer 35. The sound signal processor 41 converts the input music data into a sound signal which can be output through a speaker or the like and outputs the sound signal to the signal synthesizer 42. The signal synthesizing unit 42 transmits the sound signal to the sound output unit 43, and the sound output unit 43 listens through a speaker (not shown) and earphones (not shown) connected to the sound output unit 43. A sound signal is output so that the sound is output as much as possible.

The user listens to the prelude of the music and sings through the microphone 50 at the beginning of the lyrics. The voice signal corresponding to the song of the user input through the microphone is amplified by the voice signal output unit 45 and output to the first switch 46. At this time, the switching of the first switch 46 is switched toward the signal synthesizing section 42 according to the operation of the switching key 62. Therefore, the voice signal is transmitted to the signal synthesizing unit 42 via the first switch 46. In the signal synthesizing unit 42, the sound signal input from the sound signal processing unit 41 and the user sing to correspond to the sound signal to synthesize a voice signal input through the microphone 50. The synthesized signal is output to the sound output unit 43 so that it can be heard through a speaker or the like.

In order to perform the pronunciation practice function according to the present embodiment, the user first selects the switching key 62 so that the first switch 46 is switched to the voice recognition unit 47, and then the voice output key 66 is selected. So that the second switch 48 is turned on. The user selects the play key of the function key 64 to send a command to the host microcomputer 44 to play the DCD, and the host microcom 44 sends a play command signal to the DCD microcomputer 35. The DCD microcomputer 35 plays back the DCD 10 inserted into the DCD deck 31 according to the inputted playback command signal. At this time, the DCD deck 31 is a state in which the DCD (10) in which the language training, that is, pronunciation practice data is recorded. In addition, the host microcomputer 44 controls the DCD microcomputer 35 so that the language data recorded in the DCD 10 is reproduced one sentence at a time. The language data reproduced through the DCD deck 31 is transmitted to the sound signal processor 41 through the DCD microcomputer 35. The sound signal processor 41 outputs the input language data to the signal synthesizer 42 and the voice recognition unit 47. The signal synthesizing unit 42 transmits the language data to the sound output unit 43, and the sound output unit 43 outputs the speaker connected to the sound output unit 43. The voice recognition unit 47 stores the input language data. After the user hears the sound heard through the speaker or the like, the user speaks a sound corresponding to the sound heard through the microphone 50.

The voice signal corresponding to the user's pronunciation input through the microphone is amplified by the voice signal output unit 45 and output to the first switch 46. At this time, the switching of the first switch 46 is switched toward the voice recognition unit 47 according to the operation of the switching key 62. Therefore, the voice signal is transmitted to the voice recognition unit 47 via the first switch 46. The voice recognition unit 47 outputs the input voice signal through the first switch 46 to the speaker through the sound output unit 43.

On the other hand, the voice recognition unit 47 compares the language data input and stored in the sound signal processing unit 41 and the voice signal input through the microphone 50 by the user practicing the pronunciation. At this time, the comparison operation of the input signal of the voice recognition unit 47 is to recognize the language data and the voice signal input from the sound signal processing unit 41 and the microphone 50, respectively, and to calculate the characters as characters to compare the respective letters do. The voice recognition unit 47 transmits the comparison result of the input signal to the host microcomputer 44. The host microcomputer 44 displays the comparison result on the LCD window 70.

3 is a view showing a comparison result of the voice recognition unit 47 is displayed on the LCD window (70). First, the operation mode of the current host 40 is displayed on the LCD window 70. According to the figure, the host 40 is displayed in the pronunciation practice mode. The comparison result information of the voice recognition unit 47 displayed through the host micom 44 is pronounced 'something' as' some sing '.' Is indicated. Here, "something" is the language data is represented by a letter, "I am a bye." Is the pronunciation of the user input through the microphone. On the other hand, the LCD window 70 displays a selection menu, 'Do you want to pronounce again? (Y / N)'. In this case, 'Y' represents 'Yes' and 'N' represents 'No'. The user selects 'Y' or 'N' through a selection key (not shown) for inputting a selection signal to the selection menu among the function keys 64.

If 'Y' is selected by the user, the operation of the DCD deck 31 is still paused, and the user uses the microphone 50 to "some sing." Say the pronunciation again. Accordingly, the voice recognition unit 47, the audio output unit 43, the host microcomputer 44, and the LCD window 70 will perform the operation again. When 'N' is selected by the user, the host microcomputer 44 sends a command to the DCD microcomputer 35 to resume the playback of the paused DCD 10. Accordingly, the DCD microcomputer 35 controls the DCD servo 33 and the DCD deck 31 to reproduce the sentence following the reproduced language data sentence.

In this embodiment, although the DCD and DCD player is applied to the portable device capable of practicing singing and pronunciation, the present invention is equally applicable to a player for a recording medium and a recording medium in which the DCD and DCD players can be replaced. Could be. For example, the same can be applied to the recording medium and the player for the recording medium such as magnetic tape and magnetic tape player, CD and CD player, DVD and DVD player and the like.

According to the above, by implementing the function of simultaneously outputting the sound signal reproduced from the DCD and the user's voice signal through the microphone and the function of comparing the audio signal and the audio signal in a single device, singing and Pronunciation practice can be easily used by the user's switching key and voice output key control. Such a song practice and pronunciation practice can be made compact and easy to carry. In addition, it is easy to apply a portable device capable of singing practice and pronunciation practice to the equipment provided with the recording medium and the player for the recording medium has a wide field of use.

Although the above has been shown and described with respect to preferred embodiments of the present invention, the present invention is not limited to the specific embodiments described above, it is usually in the art to which the invention belongs without departing from the spirit of the invention claimed in the claims. Anyone skilled in the art can make various modifications, as well as such modifications are within the scope of the claims.

Claims (8)

An audio signal processor for outputting an audio signal read from the recording medium; A microphone for converting a user's voice into a voice signal; A signal synthesizer configured to receive and synthesize the sound signal and the sound signal from the sound signal processor and the microphone, respectively; An audio output unit configured to output a signal synthesized by the signal synthesis unit; A voice recognition unit for receiving and comparing the sound signal and the sound signal from the sound signal processor and the microphone, respectively; A display unit which displays a comparison result of the voice recognition unit; And And switching means for switching the voice signal output from the microphone to be selectively transmitted to the signal synthesizing unit and the voice recognition unit. The method of claim 1, The switching means, A switching key provided on the operation panel and operated by the user; And And a switch controlled according to an operation state of the switching key to selectively transmit the voice signal output from the microphone to the signal synthesizing unit and the voice recognition unit. The method of claim 1, The display unit is a portable device, characterized in that the LCD display for displaying the comparison result of the speech recognition unit on the screen. The method of claim 3, wherein The voice recognition unit is capable of pattern recognition of the signal received from the sound signal processing unit and outputs a text; And the display unit displays the text output by the voice recognition unit. The method according to claim 3 or 4, The voice recognition unit may recognize the voice signal received from the microphone as a pattern and output the text; And the display unit displays the text output by the voice recognition unit. The method of claim 1, And a control means for controlling the voice signal so that the voice signal can be output by the sound output unit. The method of claim 6, The control means, A voice output key provided on the operation panel and operated by the user; And And an intermittent switch controlled according to an operation state of the voice output key to control transmission of the voice signal output from the microphone to the sound output unit. The method of claim 7, wherein And said interrupting means is switched so that said speech signal is output by said sound output section when said speech signal is transmitted to said speech recognition section by said switching means.