CN1331075C - Digital linguistic studying apparatus - Google Patents
Digital linguistic studying apparatus Download PDFInfo
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- CN1331075C CN1331075C CNB031402186A CN03140218A CN1331075C CN 1331075 C CN1331075 C CN 1331075C CN B031402186 A CNB031402186 A CN B031402186A CN 03140218 A CN03140218 A CN 03140218A CN 1331075 C CN1331075 C CN 1331075C
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Abstract
The present invention relates to a digital language learning machine which comprises a machine shell, a panel connected with the machine shell, a display screen and keys arranged on the panel and a circuit board positioned in the machine shell, wherein the machine shell comprises a microphone socket, an earphone socket and a computer socket, and the circuits of the circuit board comprise a CPU, a DSP data processor, a memory unit, a key controller, a digital-analog converter, an analog-digital converter, a frequency oscillator, a light crystal display driving circuit, a voice frequency power amplifying circuit, a dc power supply converting circuit, a data interface and a bus controller which are orderly connected along the flow direction of signals. The digital language learning machine uses an electronic memory card as a carrier, the machine shell also comprises the socket of the electronic memory card, and a card base connected with the electronic memory card is arranged on the circuit board. The digital language learning machine of the present invention has the functions of repeating read, following read, comparison, MP3, etc., and is suitable for the use of foreign language learners. The present invention has the advantages of quick read selection, energy saving, use cost reduction, convenient carrying and long service life.
Description
[technical field]
The present invention relates to a kind of Digital language learning machine, relate in particular to a kind of have re-reading, with read, the Digital language learning machine of functions such as contrast, MP3.
[background technology]
The teaching material carrier that existing language learner mostly uses is traditional audio tape, be difficult to during use find the content that will learn, and audio tape often falls easy cassette tape, even drive disk assembly is damaged, so lacks serviceable life.In addition, the MP3 player is the audiovisual entertainment product based on playing back music, it can be converted to MP3 format to the tape teaching material and use the study of MP3 player, but it is with the format memory data of MP3, the content of each minute will take the storage space of about 1M, if be used for storing teaching material, then require memory capacity very big, so the cost costliness.
[summary of the invention]
Technical matters to be solved by this invention is, a kind of Digital language learning machine that overcomes above-mentioned shortcoming in the prior art is provided, and this Digital language learning machine uses electronic memory card as carrier, can realize re-reading, with read, functions such as contrast, MP3.
For realizing purpose of the present invention, the technical solution adopted in the present invention is: a kind of Digital language learning machine is provided, its bag Chinese juniper casing, the panel that is connected with casing, the circuit board that is arranged on display screen and the button on this panel and is positioned at this casing, this casing comprises Microphone, receiver J-Horner and computing machine socket, and be connected with circuit board by data line separately respectively, the circuit of this circuit board comprises CPU, the DSP data processor that is connected with described CPU respectively, storage unit, button controller, frequency oscillator, liquid crystal display drive circuit, the direct supply translation circuit, data-interface, bus controller, digital to analog converter and digital to analog converter, the audio power amplifier circuit that is connected with described digital to analog converter, the control bus that is connected with described bus controller, and data bus that is used for connecting between the circuit and address bus, this Digital language learning machine is carrier with the electronic memory card, this casing also comprises the electronic memory card socket, and this circuit board is provided with the deck that connects electronic memory card.
The invention has the beneficial effects as follows, Digital language learning machine of the present invention is owing to adopt electronic memory card as carrier, the electronic memory card that uses is to engage the foreign teacher to read aloud, then the voice teaching material is carried out non-linear editing, adopt digitized memory technology, publish as electronic publication is formal, both guaranteed quality of instruction, protected copyright owner's interests again; Can accurately listen during use, therefore have fast and select to read, save search time, the advantage that improves learning efficiency according to selected class, section, sentence choosing; When realizing following the function of reading and contrasting, adopt the digital recording technology, sound-reducing is true to nature, clear; In addition, power consumption is very low, can learn eight hours with a joint AAA battery, so volume is small and exquisite, in light weight, thus its have save the energy, reduce use cost, the advantage of easy to carry, long service life, be fit to the foreign language learner use.
[description of drawings]
Fig. 1 is the circuit structure functional-block diagram of Digital language learning machine of the present invention.
Fig. 2 is the button synoptic diagram of Digital language learning machine of the present invention.
Fig. 3 is the application circuit schematic diagram of Digital language learning machine of the present invention.
[embodiment]
See also Fig. 1, the circuit board that Digital language learning machine of the present invention comprises casing, the panel that is connected with casing, is arranged on LCDs and the button on this panel and is positioned at this casing.This casing comprises Microphone, receiver J-Horner, electronic memory card socket, computing machine socket and audio output interface, and is connected with circuit board by data line separately respectively.This circuit board is provided with the deck that connects electronic memory card.
The circuit of Digital language learning machine of the present invention is to be carrier with electronic memory card 2, it comprises Z808 bit CPU 1, the DSP data processor 3 that is connected with this CPU1 respectively, program storage 5, data working storage 6, data buffer 7, button controller 8, digital to analog converter 9, analog to digital converter 10, frequency oscillator 11, liquid crystal display drive circuit 12, direct supply translation circuit 15, bus controller 18 and data-interface 19, the microphone filtering circuit 13 that is connected with this analog to digital converter 10, the audio power amplifier circuit 14 that is connected with this digital to analog converter 9, the ROM storer 4 that is connected with this program storage 5, the electronic memory card read-write change-over switch 16 and the keypad lock switch 17 that are connected with this button controller 8, the control bus that is connected with bus controller 18, and data bus that is used for connecting between the circuit and address bus etc.
Z80 CPU1 is as the data processing centre (DPC) and the function management center of Digital language learning machine of the present invention; DSP data processor 3 is used for operational data; Program storage 5 is used for depositing instruction when Z80 CPU1 works, after the start of Digital language learning machine, the basic working procedure that is stored in 4 li of ROM storeies just is moved to program storage 5 earlier, to accelerate its travelling speed; Data buffer 7 is low-power consumption SRAMs of 16K * 24, is used for depositing instruction, data and the intermediate result of DSP data processor 3 courses of work; Clock frequency oscillator 11 comprises HP OSD and LP OSD, and HP OSD is Z80 CPU1 and whole system operation clock frequency oscillator, and LP OSD is the time reference frequency oscillator, and it is used to play timing; Functional modules such as button controller 8, digital to analog converter 9, analog to digital converter 10, liquid crystal display driving matrix circuit 12 are passed through data bus, address bus, control bus links together, and under the unification of system clock, carries out data processing through Z80 CPU1 and DSP data processor 3.
Include the voice teaching material of mask and standby FLASH storer on the electronic memory card 2, the voice teaching material data of compressed coding that are stored in 2 li of electronic memory cards are after DSP data processor 3 decoding, deliver to digital to analog converter 9, digital audio and video signals is converted to simulated audio signal, amplify by audio power amplifier circuit 14, receive earphone and play back.Language teaching materials in the electronic memory card 2 are to be least unit with sentence or word, and after editing with nonlinear technology, the recompression mask is to 2 li of electronic memory cards.
The effect of microphone filtering circuit 13 and analog to digital converter 10 is that the reader is practised with the voice signal of reading after sending filtering circuit to filter some noises after Mike's sound of the wind/electricity conversion, deliver to analog to digital converter 10 voice signal is become digital signal, store for being put into data working storage 6 after the Z80 CPU1 processing, in order to calling.
Liquid crystal display drives matrix circuit 12 and is designed to the driving of 52 segment encodes: six the 7 Arabic characters of segment encode, and take 42 segment encodes altogether and drive, two are used for demonstration class number; Two are used to show hop count; Two are used for showing the sentence number.When playing the MP3 music, then front two shows it is which first song, the branch of back four times that display the play and second.Also have 10 sections drivings to be designed to: class section sentence, re-reading, with read, contrast, MP3, broadcast, suspend, stop, battery electric quantity abundance and the inadequate demonstration of battery electric quantity." 88 sections 88 of 88 classes " that cooperate button operation to show are arranged on the LCDs, that this LCDs also is used to show is re-reading, with read, contrast and the prompting of MP3 functional status.
Button controller 8 is with the control button.See also Fig. 2; the panel of this digital language learner is provided with ten six press keys; be respectively class, section, sentence, 1～9,0/ choosing entirely, function selecting, start/play/suspend, stop/shutting down; wherein if select entirely by 0/, start shooting/play/suspend, stop/these multifunction keys that shut down are above 2 seconds; then full choosing, start or shutdown are selected in expression; if be no more than 2 seconds by these multifunction keys, then expression is selected 0, is play, suspends or stop.
The data-interface of this digital language learner adopts USB interface, and it can be used for the function expansion and data download from the computing machine.When USB interface with after computing machine is connected, this circuit just enters the communication state with computing machine automatically, power supply also changes into from USB interface automatically and providing, and need not anyly switch.
Direct supply translation circuit 15 is high efficiency voltage lifting circuits, 1.5 volts of cell voltages can be boosted to 3.0 volts to system power supply, in addition 1.2 volts rechargeable Ni-H 2 battery also can to boost be 3.0 volts, when cell voltage is reduced to 1.0 volts, can also operate as normal.This function makes it possible to only save the AAA powered battery with one, therefore can reduce the volume of Digital language learning machine.
The ROM storer 4 of 2M is storage system software, and after the start of Digital language learning machine, the system software that is stored in 4 li of ROM storeies just is moved to program storage 5 earlier, to accelerate its travelling speed.2 li of the electronic memory cards of 16M/32M, a part of space storage teaching material file, other has the space about residue 10M/20M just can store MP3 song or other data of oneself liking.
The operation instruction of Digital language learning machine of the present invention is as follows:
After the start, whenever by a function selecting key, can re-reading, with read, function is chosen any one kind of them in contrast, MP3 state.
When re-reading state, operand keyboard and class, section, sentence key, the content that selection will be read, for example: behind the operation push-button [3] [class] [2] [section] [5] [sentence], can show corresponding digital on the LCDs, the Digital language learning machine is just read this sentence of appointment; When operation push-button [0/ choosing] entirely [class], the Digital language learning machine is then read the full content of burning 2 li of electronic memory cards; When operation push-button [XX] [class] [0/ choosing] entirely [section], the Digital language learning machine is read the full content of this class; When operation push-button [XX] [class] [XX] [section] [0/ choosing] entirely [sentence], the Digital language learning machine is read this full content of levying this section.
When the read states, basic function is the same with re-reading state, and difference is that the Digital language learning machine runs through after the sentence, can stay the same time automatically to allow the reader follow to read, just then read next sentence then.
When corresponding state, basic function is with the same with read states, difference be the Digital language learning machine the reader with after running through a sentence, can be automatically read and follow and read to replay together once former, allow you relatively with reading effect, and then read next.
This machine is play the function of MP3 music in addition, can listen to the music when you learn to have tired out, loosens brain.Operation [function] key makes it under the MP3 state, and at this moment the front two numerical table on the LCDs shows number of tracks, and back four display the play this bent time.Press once [broadcast] key, the beginning playing back music is pressed once [broadcast] key again, then suspends and plays.Carry out selected songs by numerical key,, stop to play by [stopping] key.
Seeing also Fig. 3, is the application circuit schematic diagram of Digital language learning machine of the present invention.U1 is the design's primary module T5781, it is succinctly small and exquisite for circuit design is got, so microprocessor, data storage function, analog-digital conversion function, digital-to-analog conversion function, button control function, liquid crystal display are driven function, the power management mapping function, clock signal generation function is managed 16 functional circuits such as gathering calling function with external data and is become a module with the integrated technology mask.Promptly Z808 bit CPU 1, DSP data processor 3, program storage 5, data working storage 6, data buffer 7, button controller 8, digital to analog converter 9, analog to digital converter 10, frequency oscillator 11, liquid crystal display driving matrix circuit 12, microphone filtering circuit 13, audio power amplifier circuit 14, direct supply translation circuit 15, bus controller 18 are become a primary module T5781 with data-interface 19 usefulness integrated technology masks.
U2 is the ROM storer, the inside burning application system working procedure, be the plug-in storer of U1, different designs, the software of U2 the inside is just different.
U3 is an electronic memory card, and the inside is the 16M byte, and it is that data line and address wire are multiplexing, during work, send address signal earlier, after send data.Wherein there is the 6M byte to be used for burning voice teaching material, and can not wipes arbitrarily; Other has the 10M space to be available for users to be used to download about 10 minutes music, and for loosening brain usefulness after school, the storage music how much, and the FLASH of different capabilities has different spaces, and the design's maximum can dispose the storer of 256M.
U4 ELD-3410 is the driving circuit of backlight of LCD, whether lights the I/O port controlling by U1 by CPU.
Y1 and C14, C15 are that system clock produces circuit, and the clock signal feed system that produces 24.576M is as the unified benchmark of drawing that goes on foot.
Y2 and C16, C17 then are time reference signal generation circuit, as the timing benchmark of recording, broadcast.
R12, R13, R14, R15, R16, C20, C21 form the voltage pressure sampling circuit, communicate with the comparator circuit of U1 inside, play the effect that monitoring power supply changes.
The VBAT terminal of U1 is the input end of inner direct supply transform function module, is the direct supply translation circuit, 1.5 volts of voltages of a joint AAA dry cell can be boosted 3.0 volts and 2.1 volts that need into system, gives each module for power supply.
R8, R9, C18 are the pressure sampling circuits of 3.0V power supply, and sampling value is input to the 3.0V direct supply translation circuit of U1 from the DCF2 feedback end of U1, adjusts control.
R10, R11, C19 are the pressure sampling circuits of 2.1V power supply, and sampling value is input to the 2.1V direct supply translation circuit of U1 from the DCF2 feedback end of U1, adjusts control.
U5, U6 and its peripheral cell are formed mu balanced circuit, when using USB interface communication, are the 5V power works of taking USB interface, and at this moment U5, U6 circuit are responsible for being transformed into 2.1V to 5 volts and the 3.0V power supply provides to equipment.Q1, Q2 form mu balanced circuit with D1, D2 respectively, and what produce through the inner DC transfer circuit of U1,2.35V that exports from DCOP1 and DCOP2 terminal and 3.15V voltage, are delivered on the respective terminal of U1 as VDD and VCC surely at 2.1V and 3.0V respectively.C3, C4, C5, C6, C7, C8 are respectively the uncoupling filter capacitors of power supply.
The MICIN of U1, MICOUT terminal are the input and output terminals of microphone amplifier.VLAD, VRAD terminal are the high-low level detection terminals of A/D conversion circuit.The VRDA terminal is the datum of A/D conversion circuit.The VMIC terminal provides microphone required fundamental current.CK1 is the input socket of microphone, with the input circuit of C34～C39, R25, R26, R27 composition microphone.
The PAIL of U1, PAIR terminal are left and right acoustic channels amplifier input terminal, and PAOL, PAOR terminal are the lead-out terminals of left and right acoustic channels amplifier, and AOUTL, AOUTR are respectively left and right acoustic channels analog signal output of D/A conversion circuit.CK2 is the socket of two sound channel earphones, forms earphone output circuit with C27, C28, C30～C33, R19～R24.
The USBD+ of U1, USBD-, three terminals of USBVBUS and power supply and ground wire are formed USB interface, supply and computing machine communication usefulness, are the ports of this machine and other devices communicating swap datas.
S1 is the keypad lock switch, when it is closed, and locking button, maloperation when preventing work.S2 is an electronic memory card read-write change-over switch, prevents the maloperation of FLASH storer, and data erase is fallen.
Claims (10)
1. Digital language learning machine, its bag Chinese juniper casing, the panel that is connected with casing, the circuit board that is arranged on display screen and the button on this panel and is positioned at this casing, this casing comprises Microphone, receiver J-Horner and computing machine socket, and be connected with circuit board by data line separately respectively, the circuit of this circuit board comprises CPU, the DSP data processor that is connected with described CPU respectively, storage unit, button controller, frequency oscillator, liquid crystal display drive circuit, the direct supply translation circuit, data-interface, bus controller, digital to analog converter and digital to analog converter, the audio power amplifier circuit that is connected with described digital to analog converter, the control bus that is connected with described bus controller, and data bus that is used for connecting between the circuit and address bus, it is characterized in that: this Digital language learning machine is carrier with the electronic memory card, this casing also comprises the electronic memory card socket, and this circuit board is provided with the deck that connects electronic memory card.
2. Digital language learning machine as claimed in claim 1 is characterized in that: this storage unit comprises that the program storage that is connected with this CPU, the storage reader who is connected with this CPU practise with the data working storage of the voice signal of reading and the data buffer of depositing instruction, data and intermediate result in this DSP data processor course of work that is connected with this DSP data processor.
3. Digital language learning machine as claimed in claim 2, the circuit that it is characterized in that this circuit board also comprises the ROM storer of storage system software, it is connected with this program storage, after the start of Digital language learning machine, the basic working procedure that is stored in this ROM storer just is moved to this program storage earlier.
4. Digital language learning machine as claimed in claim 1 is characterized in that this CPU, DSP data processor, storage unit, button controller, digital to analog converter, analog to digital converter, frequency oscillator, liquid crystal display drive circuit, audio power amplifier circuit, direct supply translation circuit, data-interface and bus controller become a module with the integrated technology mask.
5. Digital language learning machine as claimed in claim 1, it is characterized in that including on this electronic memory card the voice teaching material of mask and standby FLASH storer, language teaching material in this electronic memory card is to be least unit with sentence or word, after editing with nonlinear technology, the recompression mask is in this electronic memory card.
6. Digital language learning machine as claimed in claim 1 is characterized in that this circuit board also is provided with electronic memory card read-write change-over switch and keypad lock switch.
7. Digital language learning machine as claimed in claim 1, it is characterized in that: this liquid crystal display drive circuit is that liquid crystal display drives matrix circuit, it is designed to 52 segment encodes and drives: six the 7 Arabic characters of segment encode, taking 42 segment encodes altogether drives, two are used for demonstration class number, two are used to show hop count, two are used for showing the sentence number, when playing the MP3 music, then front two shows it is which first song, the branch of four times that display the play of back and second, also have 10 sections drivings to be designed to: class section sentence, re-reading, with reading, contrast, MP3, play, suspend, stop, sufficient and the inadequate demonstration of battery electric quantity of battery electric quantity, this display screen is a LCDs, and " 88 sections 88 of 88 classes " that cooperate button operation to show are arranged on this LCDs, and this LCDs also is used to show re-reading, with reading, contrast and the prompting of MP3 functional status.
8. Digital language learning machine as claimed in claim 1 is characterized in that this panel is provided with ten six press keys, is respectively class, section, sentence, 1,2,3,4,5,6,7,8,9,0/ choosing entirely, function selecting, start/play/suspend and stops/shutting down.
9. Digital language learning machine as claimed in claim 8 is characterized in that whenever by the function selecting key on this panel once, can re-reading, with read, function is chosen any one kind of them in contrast, MP3 state, circuit enters the corresponding work state.
10. Digital language learning machine as claimed in claim 1 is characterized in that the circuit of this circuit board also comprises the microphone filtering circuit, and it practises the reader with the voice signal of reading to deliver to analog to digital converter after filtering circuit filters some noises; This data-interface is a USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031402186A CN1331075C (en) | 2003-08-19 | 2003-08-19 | Digital linguistic studying apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031402186A CN1331075C (en) | 2003-08-19 | 2003-08-19 | Digital linguistic studying apparatus |
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| CN1584868A CN1584868A (en) | 2005-02-23 |
| CN1331075C true CN1331075C (en) | 2007-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB031402186A Expired - Fee Related CN1331075C (en) | 2003-08-19 | 2003-08-19 | Digital linguistic studying apparatus |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184650A (en) * | 2011-05-24 | 2011-09-14 | 李家权 | Novel language learning device |
| CN102280048A (en) * | 2011-08-13 | 2011-12-14 | 德州学院 | Auxiliary English word memorizing device and using method thereof |
| CN102999702A (en) * | 2012-11-28 | 2013-03-27 | 广州代代星电子科技有限公司 | Tablet personal computer used for motion sensing game and method for realizing motion sensing game |
| CN106781739A (en) * | 2017-01-17 | 2017-05-31 | 武汉纺织大学 | A kind of English Listening and Speaking exerciser |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2457817Y (en) * | 2000-12-04 | 2001-10-31 | 公信电子股份有限公司 | Multifunctional portable information learning device |
| CN2513178Y (en) * | 2001-12-17 | 2002-09-25 | 中国科学院微电子中心 | Electronic language learning machine |
| WO2003009258A1 (en) * | 2001-07-18 | 2003-01-30 | Kyoung-Joong Kim | System and method for studying languages |
| CN1428714A (en) * | 2002-11-26 | 2003-07-09 | 金连文 | Multimedia digital code learning machine |
-
2003
- 2003-08-19 CN CNB031402186A patent/CN1331075C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2457817Y (en) * | 2000-12-04 | 2001-10-31 | 公信电子股份有限公司 | Multifunctional portable information learning device |
| WO2003009258A1 (en) * | 2001-07-18 | 2003-01-30 | Kyoung-Joong Kim | System and method for studying languages |
| CN2513178Y (en) * | 2001-12-17 | 2002-09-25 | 中国科学院微电子中心 | Electronic language learning machine |
| CN1428714A (en) * | 2002-11-26 | 2003-07-09 | 金连文 | Multimedia digital code learning machine |
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| CN1584868A (en) | 2005-02-23 |
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Effective date of registration: 20091030 Address after: 3, building 23, International Plaza, Buji famous city, Guangdong, Shenzhen Province: 518112 Co-patentee after: Zheng Longgen Patentee after: Zhang Yi Address before: 3, building 23, International Plaza, Buji famous city, Guangdong, Shenzhen Province: 518112 Patentee before: Zhang Yi |
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Assignee: Fujian Yilong Electronic Technology Co. Assignor: Zhangyi|Zheng Longgen Contract fulfillment period: 2009.11.2 to 2023.8.18 Contract record no.: 2009350000229 Denomination of invention: Digital linguistic studying apparatus Granted publication date: 20070808 License type: Exclusive license Record date: 20091112 |
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