JP4970392B2 - Voice recording and playback method and electronic dictionary using the method - Google Patents

Description

  The present invention relates to a voice reproduction technique, and more particularly to a method for recording and reproducing a user's voice and an electronic dictionary using the method.

  Currently, the voice playback function of the electronic dictionary can play back only voices recorded in advance. Such speech includes the pronunciation of words, phrases and sentences, and is generated by speech synthesis compression and playback technology or text-to-speech technology. is there.

  FIG. 1 shows a keyboard layout and screen display of a conventional electronic dictionary, and the screen display is an explanation screen (Explanation Screen) of a selected word, phrase or sentence. The electronic dictionary includes a screen 110, a speaker 120, a keyboard 130, a sound playback key 140, and a sound generation instruction (Indicator) 150. The pronunciation instruction 150 indicates that a voice of a reproducible word, phrase or sentence is included.

  FIG. 2 illustrates selecting a word, phrase or sentence on the screen. For example, when entering “TOY”, the word or phrase whose first three letters match “toy” is automatically displayed on the screen, and then the word “toyshop” is selected using the up and down keys. To do. When the word / phrase / sentence selection screen (Selection Screen) or the explanation screen of the word / phrase / sentence is displayed, if the audio playback key is pressed, the recording corresponding to the selected word / phrase / sentence is recorded in advance. The reproduced sound can be played back with a speaker. When a selected word, phrase or sentence can be played back its sound, the electronic dictionary typically displays a pronunciation instruction on the screen. Although pronunciation instructions are displayed in FIGS. 1 and 2, respectively, the pronunciation instructions are not necessary for all electronic dictionaries.

  FIG. 3 shows the configuration of a conventional electronic dictionary. The electronic dictionary includes a liquid crystal display screen 310, a memory 320, a keyboard 330, a speaker 340, a text-to-speech reproduction circuit 350, and a microcontroller 360 for controlling these elements.

  However, even if the user attempts to improve the learning effect of the language or the use of the electronic dictionary, the conventional electronic dictionary system links the selected word, phrase or sentence with the pronunciation of the user. The voice recorded in advance cannot be compared with the voice of the user.

  An object of the present invention is to provide a method for recording and reproducing a user's voice and an electronic dictionary using the method.

  In order to achieve the above-described object, an embodiment of the present invention provides a method for recording and reproducing a user's voice. The method is applied to an electronic device, and the electronic device includes at least a screen, a recording instruction key, and a memory. When a sound generation instruction for screen display data is displayed on the screen, a recording instruction key is pressed to enter the voice recording mode. Subsequently, the user's voice is input, and the user's voice is stored in the memory. Thereafter, a memory location address or recorded data index for indicating a position where the user's voice is located in the memory is recorded, and the memory location address or recorded data index is linked to the screen display data.

  Another embodiment of the present invention provides an electronic dictionary. The electronic dictionary includes a main body, a screen connected to the main body, a voice input device connected to the main body, and a recording instruction key. The main body includes a micro control module and a memory for storing a user's voice. The recording instruction key is used to transmit a recording command or a recording pause command to the main body when the screen display data of a word, phrase or sentence explanation screen or selection screen is displayed on the screen, The recording instruction key is a voice recording key located on the main body or a virtual voice recording key displayed on the screen. When receiving the recording command, the micro control module receives the user's voice input via the voice input device, and simultaneously stores the user's voice in the memory. When recording the memory location address or recording data index to indicate the position in the memory, further linking the memory location address or recording data index with the screen display data, and receiving a recording pause command In addition, the reception of the user's voice input via the voice input device is stopped.

  The method and the electronic dictionary for recording and reproducing the user's voice according to the embodiment of the present invention can record the pronunciation of words, phrases and the like by the user, which can improve the learning effect of the user.

  Next, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, although this invention demonstrates the technical feature of the different implementation system of this invention by providing a different Example, the arrangement | positioning relationship of each element in an Example is used for description, this invention. Not to limit. In addition, the numbers in the drawings in the embodiments partially overlap to simplify the description.

  Embodiments of the present invention disclose a method for recording and reproducing a user's voice and an electronic device using the method, for example, a device having a pronunciation function such as an electronic dictionary and an electronic document browsing display.

  FIG. 4 shows a keyboard layout and screen display of an electronic dictionary according to an embodiment of the present invention. The electronic dictionary includes a screen 410, a speaker 420, a keyboard 430, a sound reproduction key 440, a sound generation instruction 450, a microphone 460 and a sound recording key 470. The pronunciation instruction 450 indicates that there is a sound of screen display data that can be reproduced. The screen display data described above is a word, phrase or sentence input by the user, a word, phrase or sentence explanation screen, or a word, phrase or sentence selection screen displayed based on the input letter. .

  When the screen display data described above is displayed on the screen, the user presses the voice recording key 470 as shown in FIG. 4 to give a recording instruction, thereby causing the electronic dictionary to enter the voice recording mode. When the user sends a recording pause instruction (a method for issuing a recording pause instruction is, for example, pressing the voice recording key again or releasing the voice recording key) to the electronic dictionary, the voice recording mode is set. Terminate. The user can input the user's voice via the voice input device within the period in which the voice recording mode is executed. The user's voice is stored in the memory, and at the same time, a memory location address or recording data index for indicating the position where the user's voice data is located in the memory is recorded by the microprocessor in the electronic dictionary, and Linked to screen display data.

  The voice recording key described above is a recording instruction key. The recording instruction key may be a virtual voice recording key displayed on a touch screen in addition to an actual voice recording key. A recording command or a recording pause command is issued by touch-controlling a virtual voice recording key on the touch screen.

  The voice input device described above may be, for example, a microphone arranged in an electronic dictionary or a sound source input hole. The sound source input hole may be connected to a microphone from the outside.

  If the previous user's voice linked to the screen display data exists when the voice recording mode is executed, the recording linked to the screen display data after the new user's voice is recorded. The memory location address of the data or recorded data index is replaced with the memory location address of the new user's voice, and the previous user's voice is deleted. If there is no user voice before linking to the screen display data, the recorded user voice is stored in the memory.

  After the above-described recording of the user's voice is completed, the user presses the voice reproduction key 440 as shown in FIG. 4 when data (for example, an explanation screen for words, phrases, or sentences) is displayed on the screen. By pressing, the pronunciation command can be transmitted to the electronic dictionary. When there is a user's voice linked to the screen display data, the voice output device outputs a pre-recorded voice (for example, pronunciation of a word, phrase or sentence) linked to the screen display data. Later, the recorded user's voice is subsequently played back.

  Note that the playback order of the user's voice and the previously recorded voice is not limited, and the voice recorded in advance can be played after the user's voice is played back. In some cases, only the user's voice or pre-recorded voice may be reproduced. The sound reproduction key may be a virtual sound reproduction key displayed on the touch screen, and the description thereof is omitted here. The audio output device may be a speaker provided in an electronic dictionary or a sound source output hole connected to an external speaker or an earphone. The reproduction of the user's voice and the previously recorded voice may be controlled by two voice reproduction keys, and the description thereof is omitted here.

  The user voice recording, playback and pre-recorded voice playback described above can be performed not only in the word / phrase / sentence explanation screen mode but also in the input character as shown in FIG. It can also be performed in the mode of the selection screen of words / phrases / sentences expressed based on.

  FIG. 5 shows a keyboard layout and screen display of an electronic dictionary according to another embodiment of the present invention. Compared to FIG. 4, FIG. 5 has a recorded voice delete key 480. When the user presses the delete key 480, the user's voice stored in the electronic dictionary can be deleted. As described in the above embodiment, the delete key 480 can be replaced by a virtual voice delete key displayed on the touch screen, but the description thereof is omitted here.

  FIG. 6 shows the configuration of an electronic dictionary according to an embodiment of the present invention. The electronic dictionary controls a liquid crystal display screen 610, a memory 620, a keyboard 630, a speaker 640, a text-to-speech playback circuit 650, a voice recording and playback circuit 660, a microphone 670, a selector (mixer) 680, and the elements. A microcontroller 690. The microphone 670 is connected to an audio recording / reproducing circuit 660, and the text-to-speech reproducing circuit 650 and the audio recording / reproducing circuit 660 are connected to a speaker 640 via a selector 680. Text to speech playback circuit 650, voice recording and playback circuit 660, and microcontroller 690 can be integrated into a microcontroller module (not shown).

  The embodiment of the present invention uses a voice recording and playback circuit. However, a voice synthesis compression and playback circuit may be used, or a text-to-speech playback circuit and a voice synthesis compression and playback circuit are simultaneously used. May be used.

  FIG. 7A shows the configuration of a voice recording and playback circuit, a recorded voice and pre-recorded voice playback circuit, an interface circuit, and a microcontroller according to an embodiment of the present invention.

  In FIG. 7A, this configuration includes a mixer 701, a selector 702, an automatic gain controller 703, an analog-to-digital converter (ADC) 704, a digital signal path (Digital Signal). Path) 705, compression / decompression unit (Compression / De-compression Unit) 706, memory controller (Memory Controller) 707, voice data memory (Voice Data Memory) 708, digital to analog converter (Digital to Analog AC) 70 , Pulse width modulation controller (Pulse Width Modulati) n (PWM) Controller 710, Selector 711, Memory management and instruction interpreter 712, Interface circuit (Interface Circuit) 713, Microcontroller 714, Input buffer (Input Buffer) 715 and Output buffer (Output Buffer) 716 . The functions of the digital signal path 705 may include digital filtering, sampling and resampling, and volume control.

  The user's voice recorded by the user when the screen display data is displayed should be stored in the voice data memory 708 in the form of digital data. The user's voice is input via a microphone, and sequentially passes through a selector 702, an automatic gain controller 703, an analog-digital converter 704, a digital signal path 705, a compression / decompression unit 706, and a memory controller 707. Then, it is stored in an unused position address section in the audio data memory 708. The audio data memory 708 is a flash read only memory (ROM).

  The memory controller 707 is electrically connected to the microcontroller 714. When the user's voice is stored in the voice data memory 708, the memory controller 707 sends a signal to the microcontroller 714, and the microcontroller 714 locates the user's voice in the voice data memory 708. A memory location address or an index of recorded data indicating a recording position is recorded, and the memory location address or the index of recorded data is linked to screen display data.

  Refer to FIG. 7A again. A memory management and instruction interpreter 712 may further be included between the memory controller 707 and the microcontroller 714. The connection interface between the memory management and instruction interpreter 712 and the microcontroller may be a serial peripheral interface (SPI).

  Refer to FIG. 7A again. The playback path of the user's voice stored in the memory 708 is, in order, voice data memory 708 → memory controller 707 → compression / decompression unit 706 → digital signal path 705 → pulse width modulation controller 710 → speaker output.

  The playback path of the prerecorded voice, for example, the pronunciation of a word, phrase, or sentence, is in order of the text-to-speech playback circuit 717 → selector 702 → automatic gain controller 703 → analog / digital converter 704 → digital signal path. 705 → pulse width modulation controller 710 → speaker output. The speaker output is connected to the speaker, so that the recorded sound can be reproduced via the speaker. The playback path of the pre-recorded sound may be text to speech playback circuit 717 → selector 711 → output buffer 716 → sound source output.

  FIG. 7B illustrates a prerecorded audio playback path according to another embodiment of the present invention. In FIG. 7B, the reproduction path of the pre-recorded sound is sequentially recorded as the pre-recorded sound data 719 → IC (Integrated Intercip Sound: I2S) processing circuit 718 → digital signal path 705 → pulse width modulation controller 710 → Speaker output. The pre-recorded audio data 719 is digital format data, and the interface between the pre-recorded audio data 719 and the I2S processing circuit 718 may be an I2S interface.

  The above description mainly describes the functions of the main elements, but the description of the other elements is omitted here.

  8 and 9 are flowcharts illustrating a method for recording and reproducing a user's voice according to an embodiment of the present invention. First, referring to FIG. FIG. 8 is a flowchart showing steps for recording a user's voice. When screen display data such as words, phrases or sentences is displayed on the screen, the voice recording key is pressed to enter the electronic dictionary into the voice recording mode (step S801). Next, the user's voice is recorded using the microphone (step S802), and the memory position address indicating the position where the user's voice is located in the memory or the index of the recorded data is recorded and displayed on the screen. Link to the data (step S803). Thereafter, it is determined whether there is audio data linked to the screen display data in the memory (step S804). If there is no voice data linked to the screen display data, the recorded voice of the user is stored in the memory (step S805). If there is voice data linked to the screen display data, the voice of the previous user is replaced with the voice of the newly recorded user, and the voice of the previous user is deleted (step S806). Subsequently, it is determined whether or not the voice recording key is released (step S807). When the voice recording key is released, the voice recording mode is ended (step S808).

  Reference is now made to FIG. FIG. 9 is a flowchart showing steps for reproducing the user's voice.

  It is determined whether a pronunciation instruction is displayed on the screen (step S901). If the pronunciation instruction is displayed on the screen, the voice reproduction key is pressed to reproduce the user's voice or pre-recorded voice linked to the screen display data on the speaker (step S902). Subsequently, it is determined whether there is a user's voice linked to the same screen display data (step S903). If there is a user's voice linked to the same screen display data, the recorded user's voice is reproduced after reproducing the pre-recorded voice (step S904). If there is no user voice linked to the same screen display data, a pre-recorded voice is played back or a user voice is recorded (step S905).

  A method of recording and reproducing a user's voice according to an embodiment of the present invention includes recording voices such as pronunciations, related words, related phrases, example sentences, antonyms, user annotations, and the recorded voices as words and phrases. Alternatively, it can be linked to screen display data such as a sentence selection or explanation screen. The user can reproduce the recorded user's voice and the pre-recorded voice in order, and can confirm and contrast the pronunciation of the pre-recorded voice and the pronunciation of the recorded user's voice. Therefore, the learning effect can be improved by using such an electronic dictionary.

  The preferred embodiment of the present invention has been described above, but the present invention is not limited to this embodiment, and all modifications to the present invention are within the scope of the present invention unless departing from the spirit of the present invention.

It is a figure which shows the keyboard layout and screen display of the conventional electronic dictionary, The screen display is the explanatory screen of the selected screen display data. It is a figure which shows selecting screen display data on a screen. It is a figure which shows the structure of the conventional electronic dictionary. It is a figure which shows the keyboard layout and screen display of the electronic dictionary by one Example of this invention. It is a figure which shows the keyboard layout and screen display of the electronic dictionary by the other Example of this invention. It is a figure which shows the structure of the electronic dictionary by one Example of this invention. FIG. 2 is a diagram showing the configuration of a voice recording and playback circuit, a recorded voice and prerecorded voice playback circuit, an interface circuit, and a microcontroller according to an embodiment of the present invention. It is a figure which shows the reproduction | regeneration path | route of the audio | voice previously recorded by the other Example of this invention. 3 is a flowchart of a method for recording and reproducing a user's voice according to an embodiment of the present invention; 3 is a flowchart of a method for recording and reproducing a user's voice according to an embodiment of the present invention;

Explanation of symbols

110 Screen 120 Speaker 130 Keyboard 140 Sound reproduction key 150 Sound generation instruction 310 Liquid crystal display screen 320 Memory 330 Keyboard 340 Speaker 350 Text-to-speech reproduction circuit 360 Microcontroller 410 Screen 420 Speaker 430 Keyboard 440 Sound reproduction key 450 Sound generation instruction 460 Microphone 470 Voice recording key 480 Recorded voice deletion key 610 Liquid crystal display screen 620 Memory 630 Keyboard 640 Speaker 650 Text to speech playback circuit 660 Voice recording and playback circuit 670 Microphone 680 Selector 690 Microcontroller 701 Mixer 702 Select 703 Automatic gain controller 704 Analog to digital converter 705 Digital signal path 706 Compression / decompression unit Knit 707 Memory controller 708 Audio data memory 709 Digital analog converter 710 Pulse width modulation controller 711 Selector 712 Memory management and command interpreter 713 Interface circuit 714 Input buffer 716 Output buffer 717 Text-to-speech playback circuit 718 I2S processing Circuit 719 Pre-recorded audio data S801 to S808 Steps S901 to S904 of the flowchart Steps of the flowchart

Claims (6)

A method for recording and reproducing a user's voice applied to an electronic device including at least a screen, a recording instruction key, and a memory,
When the screen displays a recording instruction of the screen display data, pressing the recording instruction key to enter a voice recording mode;
Inputting the user's voice;
Storing the user's voice in the memory;
Recording a memory location address or recording data index to indicate a location where the user's voice is located in the memory, and linking the memory location address or recording data index to the screen display data;
Including
Storing the user's voice in the memory,
Determining whether the memory has a previous user's voice linked to the screen display data;
If there is no previous user voice linked to the screen display data, storing the inputted user voice in the memory;
If there is a voice of the previous user linked to the screen display data, the step of replacing the voice of the previous user with the voice of the input user and deleting the voice of the previous user When,
Only including,
The previous user is a user different from the user.
How to record and play back user's voice. Storing the user's voice in the memory,
Including sequentially passing the input user's voice through a selector, an automatic gain controller, an analog-to-digital converter, a digital signal path, a compression / decompression unit, and a memory controller.
The method for recording and reproducing a user's voice according to claim 1. The memory controller is electrically connected to a microcontroller;
When the user's voice is stored in the memory, the memory controller transmits a signal to the microcontroller, and the microcontroller is located at a position where the user's voice is located in the memory. Recording a memory location address or an index of recorded data for indicating, and linking the memory location address or the recorded data index to the screen display data,
The method for recording and reproducing a user's voice according to claim 2. A step of transmitting a sound generation command to the electronic device by pressing an audio reproduction key based on the sound generation instruction displayed on the screen;
Replaying the user's voice or pre-recorded voice linked to the screen display data based on the pronunciation command;
Further including
The method for recording and reproducing a user's voice according to claim 1. The user's voice reproduction path is in the order of a memory, a memory controller, a compression / decompression unit, a digital signal path, a pulse width modulation controller, and an audio output device.
The user's voice recording and playback method according to claim 4. A main body having a micro control module and a memory for storing a user's voice;
A screen connected to the body;
A voice input device connected to the main body;
A recording instruction key used for transmitting a recording command or a recording pause command to the main body when the screen displays screen display data, the recording instruction key being a voice recording key located on the main body Or a recording instruction key which is a virtual voice recording key displayed on the screen;
A sound reproduction instruction key used to transmit a sound generation command to the microcontroller module when a sound generation instruction is displayed on the screen;
Including
When the micro control module receives the recording command, the micro control module receives the user's voice input via the voice input device and simultaneously stores the user's voice in the memory. Recording a memory location address or recording data index for indicating a position where the voice of the recording is located in the memory; linking the memory location address or recording data index to the screen display data; and When receiving a stop command, stop receiving the user's voice input via the voice input device ,
When the micro control module receives the sound generation command, the micro control module determines whether the screen display data displayed on the screen includes the corresponding user's voice, and the corresponding user's voice is If there is, after playing the pre-recorded voice or before playing the pre-recorded voice, play the user's voice,
Storing the user's voice in the memory,
Determining whether the memory has a previous user's voice linked to the screen display data;
If there is no voice of the previous user linked to the screen display data, the input voice of the user is stored in the memory;
If there is a voice of the previous user linked to the screen display data, the voice of the previous user is replaced with the voice of the user input and the voice of the previous user is deleted. Including
The previous user is a user different from the user.
Electronic dictionary.

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