CN2513178Y - Electronic language learning machine - Google Patents
Electronic language learning machine Download PDFInfo
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- CN2513178Y CN2513178Y CN 01278230 CN01278230U CN2513178Y CN 2513178 Y CN2513178 Y CN 2513178Y CN 01278230 CN01278230 CN 01278230 CN 01278230 U CN01278230 U CN 01278230U CN 2513178 Y CN2513178 Y CN 2513178Y
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- 230000005236 sound signal Effects 0.000 abstract 2
- 239000004973 liquid crystal related substance Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
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Abstract
The utility model relates to an electronic language learning machine which comprises a power supply circuit, a clock circuit, a sound signal processor, a nonvolatile memory, a LCD indicating module, a key circuit, a record circuit, a sound output circuit and a sound data card. The output end of the power supply circuit provides the working power supply of the whole circuit. The utility model is characterized in that: wherein, the clock circuit is connected with the sound signal processor which is respectively connected with the nonvolatile memory, the LCD indicating module, the key circuit, the record circuit, the sound output circuit and the sound data card.
Description
Technical field
The utility model relates to a kind of language learner of using, and is meant a kind of electric language learning machine especially.
Background technology
The electric language learning machine that the electric language learning machine is made with language data process special IC, LCD, nonvolatile memory, speech data card, voice recording integrated circuit, speech volume adjusting integrated circuit and integrated circuit of clock, can videotex and pronounce synchronously, play electronic music, can recorded speech, can carry out volume adjusting and velocity of sound regulates, and have alarm, 10 kinds be can store and setting and student's curriculum schedule waken up.This electric language learning machine is applicable to that students in middle and primary schools learn foreign languages, the language teaching occasion of living English dialogue.
Language learning instrument-language playback device in the market is the product that adopts mechanical driving device to realize, its volume is big, carries inconvenience; Voice are stored on the tape, and every box tape is only stored 50 minutes voice.Most of language repeater does not have the text display function, and the language repeater that has can videotex, but must use special tape, with user's interactivity a little less than, and cost height.
The utility model content
The purpose of this utility model is to provide a kind of electric language learning machine, and it adopts digital compression technology, replaces traditional complicated machinery gearing with voice digital processing special IC, sound clarity not only, easy to operate, and elegant in shape, carry easily; It becomes the compress speech of recording the digital signal of LPC (Linear Predictive Coding) form, write again in the storeies such as ROM or EPROM, realize the decompress(ion) playback of voice, this mode has replaced the tape storage mode, and the voice memory space is big, volume is little, cost is low.
Another purpose of the present utility model is to provide a kind of electric language learning machine, it can select play content as required, but the content repeat playing of selecting, also can play continuously or simple sentence/speech broadcast, in broadcast, can realize that electronic sound volume is regulated and the velocity of sound speed is regulated with button, the pronunciation of high-quality and demonstration clearly can separate or carry out simultaneously, and the language interactive learning is powerful; And user's electronic recording voluntarily corrects one's pronunciation with former signal to noise ratio in the process of playing.This electric language learning machine also has time showing, alarm, setting and demonstration curriculum schedule function simultaneously, can adopt loudspeaker and earphone dual mode audition, and can play electronic music.
The utility model is a kind of electric language learning machine, comprise: power circuit, clock circuit, voice signal processor, nonvolatile memory, LCD display module and keyboard circuit, recording circuit, voice output circuit and speech data card, the output terminal of its power circuit provides the working power of entire circuit, it is characterized in that wherein clock circuit is connected with voice signal processor; Voice signal processor is connected with nonvolatile memory, LCD display module and keyboard circuit, recording circuit, voice output circuit and speech data card respectively.
Wherein power circuit comprises: an integrated circuit, its pin 1, pin 4 connect power supply and are connected and are connected to the input end of clock circuit Sheffer stroke gate with voice signal processor through a resistance, and pin 2 is connected with pin 8 through a resistance, pin 3, pin 6 ground connection.
Wherein clock circuit comprises: an integrated circuit, connect a quartz (controlled) oscillator between its pin 1 pin 2 and through a capacity earth, pin 3 is connected to the input end of a Sheffer stroke gate, the output terminal of this Sheffer stroke gate is connected to voice signal processor and is connected to the input end of another Sheffer stroke gate, pin 5, pin 6 are connected to power supply through a resistance respectively, pin 8 connects power supply through a diode, and the output terminal of the input termination Sheffer stroke gate of Sheffer stroke gate connects, and its output terminal is connected to voice signal processor and is connected to LED display module and keyboard circuit.
Wherein non-volatile memory circuits comprises: an integrated circuit, and its pin 1,2,3,4 ground connection, pin 8 connects power supply, and pin 5, pin 6 connect the I/O mouth of voice signal processor respectively.
Wherein voice signal processor comprises, one integrated circuit, its pin 1 to 5 and pin 55 to 72 connect and are connected to the address mouth of speech data card, data stitch 7 to 14 connects and is connected to the data port of speech data card, and I/O mouth pin 17 to 32, pin 35 to 42,46 to 49 and pin 51 to 54 connections also are connected to LCD display module and keyboard circuit, clock circuit, voice output circuit and recording circuit.
Wherein recording circuit 60 comprises: an integrated circuit U6, and its pin 1 to 6,9,10,26 ground connection, pin 23,24,27 connects power supply through a resistance respectively, and pin 17 connects microphone through an electric capacity, and pin 18 connects the other end of microphone through an electric capacity.
Description of drawings
For further specifying structure of the present utility model and feature, below in conjunction with example the utility model is done a detailed description, wherein:
Fig. 1 is a circuit diagram of the present utility model;
Fig. 2 is a theory diagram of the present utility model.
Embodiment
See also Figure 1 and Figure 2, the utility model is a kind of electric language learning machine, comprise: power circuit 10, clock circuit 20, voice signal processor 30, nonvolatile memory 40, LCD display module and keyboard circuit 50, recording circuit 60, voice output circuit 70 and speech data card 80, wherein the output terminal of power circuit 10 provides the working power of entire circuit; Clock circuit 20 is connected with voice signal processor 30; Voice signal processor 30 is connected with nonvolatile memory 40, LCD display module and keyboard circuit 50, recording circuit 60, voice output circuit 70 and speech data card 80 respectively.
Wherein power circuit 10 comprises: an integrated circuit U1, its pin 1, pin 4 connect power supply and are connected and are connected to the input end of clock circuit 20 Sheffer stroke gate U5A with voice signal processor through a resistance, and pin 2 is connected with pin 8 through a resistance, pin 3, pin 6 ground connection.
Wherein clock circuit 20 comprises: an integrated circuit U2, separate a quartz (controlled) oscillator between its pin 1 pin 2 and through a capacity earth, pin 3 is connected to the input end of a Sheffer stroke gate U5B, the output terminal of this Sheffer stroke gate U5B is connected to voice signal processor 30 and is connected to the input end of another Sheffer stroke gate U5C, pin 5, pin 6 are connected to power supply through a resistance respectively, pin 8 connects power supply through a diode, the output terminal of the input termination Sheffer stroke gate U5A of Sheffer stroke gate U5C connects, and its output terminal is connected to voice signal processor 30 and is connected to the LCD display module and keyboard circuit 50.
Wherein non-volatile memory circuits 40 comprises: an integrated circuit U4, and its pin 1,2,3,4 ground connection, pin 8 connects power supply, and pin 5, pin 6 connect the I/O mouth of voice signal processor 30 respectively.
Wherein voice signal processor 30 comprises, one integrated circuit U3, its pin 1 to 5 and pin 55 to 72 connections also are connected to speech data card 80, pin 7 to 14 connections also are connected to speech data card 80, pin 19 to 24 connections also are connected to LCD display module and keyboard circuit 50, pin 29 to 32 is connected with LCD display module and keyboard circuit 50 respectively, pin 35,36 are connected with pin 39 to 42 and are connected to LCD display module and keyboard circuit 50, pin 46,47 are connected to voice output circuit 70 respectively, pin 44,45 are connected to voice output circuit 70 by an electric capacity respectively, pin 51,52,53 are connected to recording circuit 60 respectively, pin 37,38 with writing of non-volatile nonvolatile memory read sequential; Pin 25,26,27 is connected with clock circuit 20, is used to control reading and waking up of clock data.
Wherein recording circuit 60 comprises: an integrated circuit U6, and its pin 1 to 6,9,10,26 ground connection, pin 23,24,27 connects power supply through a resistance respectively, and pin 17 connects microphone through an electric capacity, and pin 18 connects the other end of microphone through an electric capacity.
LCD wherein, microphone, loudspeaker, button and electric language learning engine housing (not shown electric language learning engine housing); These circuit all place in the electric language learning engine housing; LCD liquid crystal display and keyboard circuit 50 are connected with voice signal processor 30; Loudspeaker is connected with the voice output circuit; Microphone is connected with the voice recording circuit.Need to prove that among Fig. 2, the address wire of language data process special IC U3, data line connected mode can be because of external ROM, EPROM, the difference of EPROM or FLASH storer M1A and changing to some extent; The I/O mouth that language data process special IC U3 is connected with external circuits (PA mouth, PB mouth, PC mouth and PD mouth) can be selected arbitrarily as required.
Wherein voice signal processor 30, comprise a language data process special IC U3, and address wire A0～A22 of this integrated circuit U3 (55～72 pin, 1～5 pin) and address wire A0～A22 (11～22,25～35 pin) of speech data card M1A connect; Data line D0～D7 of this integrated circuit U3 (7～14 pin) and data line D0～D7 (7～10,37～40 pin) of speech data card M1A connect, and are used to deposit the extraction speech text and show and pronunciation data; PA0～PA7 of this integrated circuit U3 (17～24 pin) is connected with DB0～DB7 (20～13 pin) of liquid crystal display circuit M2, is used to export liquid crystal display data; PB4～PB7 of this integrated circuit U3 (29～32 pin) is connected with the control pin (12～9 pin) of liquid crystal display circuit M2, control liquid crystal display mode; PC0～PC1 of this integrated circuit U3 (35～36 pin), PC4～PC7 (39～42 pin) are connected with KEY2～KEY7 (6～1 pin) of keyboard scanning circuit M2, are used to finish various setting of the present utility model, pronunciation, demonstration, sound-recording function and volume, velocity of sound speed regulatory function; The PB0 of this integrated circuit U3 (25 pin) is connected with the SCL (6 pin) of integrated circuit U2, and the PB1 of this integrated circuit U3 (26 pin) is connected with the SDA (5 pin) of integrated circuit U2, is used to control clock data and reads in sequential; The PB2 of this integrated circuit U3 (27 pin) is connected with output 6 pin of integrated circuit U5B, input 9 pin of U5C, wakes sign up as clock; The DA1 of this integrated circuit U3 (44 pin) is connected with the Vin1 (2 pin) of voice output circuit U 7 through a filtering circuit, DA2 (45 pin) ground connection; PD4, the PD5 of this integrated circuit U3 (46,47 pin) is connected with Up/Dn (6 pin), the CLK (4 pin) of voice output circuit U 7, is used for regulating the volume of playing voice; PD0～PD2 of this integrated circuit U3 (51～53 pin) and voice recording circuit U 6 /REC ,/PLAYE ,/PLAYL (27,24,23 pin) is connected, and is used for controlling outer sound recording sound; PC2, the PC3 of this integrated circuit U3 (37,38 pin) is connected with EESDA, the EESCL (5,6 pin) of nonvolatile memory U4, and writing of nonvolatile memory of control read sequential; The PD3 of this integrated circuit U3 (54 pin) is connected with battery power switch through resistance R 9, is used to monitor power supply status, and power circuit provides the working power of The whole control circuit; This integrated circuit U3 /INIT (15 pin) is connected with the output pin (8 pin) of Reset (21 pin), the integrated circuit U5C of liquid crystal display circuit M2, receives reset level.
The course of work of the present utility model is: after powering on, language data process special IC control liquid crystal circuit shows " welcoming to use " printed words and plays electronic music, there are various promptings to select with rear interface for the user, the data processing special IC is judged the pulse information that keyboard scanning circuit feeds, from the speech data card, extract pronunciation and video data, enter corresponding display interface and pronunciation; The user can select play content and broadcast mode by button as required, as continuous broadcast, simple sentence/speech broadcast, repeat playing, selects pronunciation volume and pronunciation velocity of sound; Also can select sound-recording function and playback by button.
The utility model electronic language learning machine is mainly used in the phonetic teaching occasion, is particularly suitable for students in middle and primary schools' English study, compares with traditional language repeater, and novel distinctive feature of the present utility model is:
(1) voice and text data are carried out the high power compression and be stored in ROM, EPROM, E2In PROM or the FLASH memory, rather than adopt mechanically operated tape or CD video disc.
(2) adopt data to process special IC, with the voice data decompression playback of compression.
(3) demonstration of the broadcast of voice and corresponding text can be carried out simultaneously.
(4) specifically pronounce display unit by the selection of user flexibility ground.
(5) can carry out electronic sound volume and velocity of sound in playing process regulates.
The maximum memory space of speech data card is 8MB, and the maximum storage voice time is 600 minutes Clock. Record length can reach for 20 seconds. The liquid crystal display area is big, and keyboard is less, the language learning merit Can be powerful, be easy to carry.
Claims (6)
1, a kind of electric language learning machine, comprise: power circuit, clock circuit, voice signal processor, nonvolatile memory, LCD display module and keyboard circuit, recording circuit, voice output circuit and speech data card, the output terminal of its power circuit provides the working power of entire circuit, it is characterized in that wherein clock circuit is connected with voice signal processor; Voice signal processor is connected with nonvolatile memory, LCD display module and keyboard circuit, recording circuit, voice output circuit and speech data card respectively.
2, electric language learning machine according to claim 1, it is characterized in that, wherein power circuit comprises: an integrated circuit, its pin 1, pin 4 connect power supply and are connected and are connected to the input end of clock circuit Sheffer stroke gate through a resistance with voice signal processor, pin 2 is connected with pin 8 through a resistance, pin 3, pin 6 ground connection.
3, electric language learning machine according to claim 1, it is characterized in that, wherein clock circuit comprises: an integrated circuit, connect a quartz (controlled) oscillator between its pin 1 pin 2 and through a capacity earth, pin 3 is connected to the input end of a Sheffer stroke gate, the output terminal of this Sheffer stroke gate is connected to voice signal processor and is connected to the input end of another Sheffer stroke gate, pin 5, pin 6 are connected to power supply through a resistance respectively, pin 8 connects power supply through a diode, the output terminal of the input termination Sheffer stroke gate of Sheffer stroke gate connects, and its output terminal is connected to voice signal processor and is connected to LED display module and keyboard circuit.
4, electric language learning machine according to claim 1 is characterized in that wherein non-volatile memory circuits comprises: an integrated circuit, and its pin 1,2,3,4 ground connection, pin 8 connects power supply, and pin 5, pin 6 connect the I/O mouth of voice signal processor respectively.
5, electric language learning machine according to claim 1, it is characterized in that, wherein voice signal processor comprises, one integrated circuit, its pin 1 to 5 and pin 55 to 72 connect and are connected to the address mouth of speech data card, data stitch 7 to 14 connects and is connected to the data port of speech data card, and I/O mouth pin 17 to 32, pin 35 to 42,46 to 49 and pin 51 to 54 connections also are connected to LCD display module and keyboard circuit, clock circuit, voice output circuit and recording circuit.
6, electric language learning machine according to claim 1, it is characterized in that, wherein recording circuit 60 comprises: an integrated circuit U6, its pin 1 to 6,9,10,26 ground connection, pin 23,24,27 connects power supply through a resistance respectively, pin 17 connects microphone through an electric capacity, and pin 18 connects the other end of microphone through an electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01278230 CN2513178Y (en) | 2001-12-17 | 2001-12-17 | Electronic language learning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01278230 CN2513178Y (en) | 2001-12-17 | 2001-12-17 | Electronic language learning machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2513178Y true CN2513178Y (en) | 2002-09-25 |
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ID=33681764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01278230 Expired - Fee Related CN2513178Y (en) | 2001-12-17 | 2001-12-17 | Electronic language learning machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2513178Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1331075C (en) * | 2003-08-19 | 2007-08-08 | 张毅 | Digital linguistic studying apparatus |
-
2001
- 2001-12-17 CN CN 01278230 patent/CN2513178Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1331075C (en) * | 2003-08-19 | 2007-08-08 | 张毅 | Digital linguistic studying apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |