CN1235334A - Voice anti-theft device not influenced by variation of sound of host - Google Patents
Voice anti-theft device not influenced by variation of sound of host Download PDFInfo
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- CN1235334A CN1235334A CN99116105A CN99116105A CN1235334A CN 1235334 A CN1235334 A CN 1235334A CN 99116105 A CN99116105 A CN 99116105A CN 99116105 A CN99116105 A CN 99116105A CN 1235334 A CN1235334 A CN 1235334A
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Abstract
The invention is a voice anti-theft device without influence of sound change of host, which is composed of two parts, namely a secret language storage infrared emitter and an infrared receiving voice recognition anti-theft device.
Description
The present invention relates to a kind of voice anti-theft device, especially a kind of pronounce voice anti-theft device of variable effect of owner that is not subjected to.
Present theftproof lock all occurs with the form of machinery, electron type or the two combination, open with key or password, and people has a kind of expectation, both without key or password, but with the code word of saying one similar " open sesame ", lock and promptly open, to increase security.From safety analysis, unblank safer with a code word, once being that code word itself has very strict confidentiality, the 2nd, each one voice difference even penetrate code word, but is not that owner's pronunciation also can be refused.Specific people's speech recognition technology can solve owner's speech recognition problem, for example, the U.S. Pat 08/203 of U.S. Rutgers Univ. application, 988, the BrP EP94308023.4 of British Telecommunications Public Limited Company's application, the Chinese patent 88107791 of Acoustical Inst., Chinese Academy of Sciences's application has all provided the method that certain speaker (specific people) discerns.But many reasons such as passing (for example flu etc.) that will be in time owing to people's pronunciation itself change, and when using voice to unblank, even owner also may be rejected, have also refused oneself in the time of antitheft, have limited the practical application of voice theftproof locks.
The purpose of this invention is to provide a kind of prior storage owner code word, prevent that other people from eavesdropping code word, avoid the pronounce speech recognition anti-theft device of variable effect of owner.
The present invention is made up of code word storage infrared transmitter and infrared reception speech recognition alarm two parts.Code word storage infrared transmitter is made up of sound signal prime amplifier, phaselocked loop FM circuit, on-off controller, dual-tone dialing device, dual tone receiver, modulus and digital to analog converter, digital signal processor, flash memory, receiver and power supply etc.Infrared reception speech recognition alarm is by pre-amplifier, pll demodulation circuit, note amplifier, double-tone is the received code device frequently, digital signal processor, flash memory, combinational logic, control circuit, LCD, receiver, loudspeaker (or earphone), composition such as power supply and lock, lock is electronic control lock, receiver is connected with the modulus digital to analog converter with audio frequency preamplifier in the code word storage infrared transmitter, the sound signal prime amplifier is connected with the phaselocked loop FM circuit by gauge tap, the modulus digital to analog converter respectively with digital signal processor, loudspeaker, on-off controller is connected, 4 * 4 keyboards are by the dual-tone dialing device, dual tone receiver is connected with digital signal processor, and digital signal processor also flash memory links to each other with combinational logic circuit; Pre-amplifier is connected with note amplifier by pll demodulation circuit in the infrared reception speech recognition alarm, note amplifier one tunnel is connected with two audio interface scramblers, another road is by then being connected to digital signal processor through the modulus digital to analog converter, flash memory is connected with digital signal processor, LCD is connected with digital signal processor by data bus, and receiver and loudspeaker are connected on the note amplifier.The function of code word storage infrared transmitter is to deposit flash memory in compressing after the digitizing of owner's code word voice analog signal to handle in digital signal processor, when owner needs code word to unblank, it can be accessed and with infrared to infrared reception speech recognition alarm.The function of infrared reception speech recognition alarm is that the code word voice that receive are discerned, confirming as owner's code word sends instruction after errorless and opens theftproof lock, wherein flash memory is used to store code word sample and program code, and the combinational logic device is used for control signal is deciphered and produced to the relevant output signal of address and digital signal processor; LCD helps out, and is used for the signal language that shows that use is necessary; Power supply is the power supply of this device.This device can directly send code word control by owner to infrared reception speech recognition alarm and unblank, and when owner's voice changed, the speech recognition anti-theft device can be refused, and then uses this moment code word storage infrared transmitter emission code word to unblank.
The present invention is because prior storage owner voice code word,, avoided owner's voice to change owing to one or more reasons and refused by theftproof lock to infrared reception speech recognition alarm with infrared, played antitheft and don't unaccepted function.The present invention will be applicable to that on purposes the owner who uses theftproof lock thinks important antitheft place, be applicable to that antitheft, the dwelling house of proof box, automobile anti-theft lock, classified papers or internal file safe cabinet, historical relic or the artwork that the national treasury of bank or unit or safety cabinet, bank externally rent or the valuable equipment antitheft, that restriction is used in apartment enable.Owner of the present invention can store a plurality of owner's code words more than a man-hour, and wherein any owner can open theftproof lock.
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is a code word storage infrared transmitter schematic diagram;
Fig. 2 is infrared reception speech recognition alarm schematic diagram;
Fig. 3 is a code word storage infrared transmitter circuit diagram;
Fig. 4 is that infrared ray receives speech recognition alarm circuit diagram;
Fig. 5 is the master control process flow diagram of code word storage infrared transmitter among the present invention;
Fig. 6 is the master control process flow diagram of infrared reception speech recognition alarm among the present invention.
The present invention mainly comprises two parts: code word storage infrared transmitter, speech recognition device and theftproof lock.
Fig. 1 has illustrated the composition and the annexation of code word storage infrared transmitter.As seen from Figure 1, receiver is connected with modulus digital to analog converter 3 with audio frequency preamplifier 8 in the code word storage infrared transmitter, promptly voice signal one tunnel is delivered to prime amplifier 8 and amplify, deliver to phaselocked loop FM circuit 4 by gauge tap 5 then and modulate and launch; Another road of voice signal is delivered to digital-to-analogue analog to digital converter 3 and is carried out A/D conversion, is input to digital signal processing chip 1 after being converted to digital signal.Modulus digital to analog converter 3 also plays the D/A transformation, can be reduced to analog voice signal to voice digital signal, and one the tunnel delivers to loudspeaker is reduced to sound, and one the tunnel delivers to gauge tap 5 sends to modulate emission at the appropriate time.4 * 4 keyboards produce the Dual Tone Multifrequency signal by two audio emitter, and this signal one tunnel is sent to ON-OFF control circuit 5, is sent to modulate emission at the appropriate time; The dual-tone multifrequency receptacle is delivered on another road, obtains the button corresponding codes, delivers to digital signal processing chip 1 again.Digital signal processing chip 1 links to each other with flash memory 2, finishes the compressed and decompressed of voice signal and storage; Digital signal processing chip 1 also links to each other with combinational logic circuit 9, and combinational logic circuit 9 plays the encoded control effect.
Fig. 2 has illustrated the composition and the annexation of infrared reception speech recognition alarm.As seen from Figure 2, infrared reception speech recognition alarm middle infrared (Mid-IR) FM signal after pre-amplification circuit 16 amplifies by phase-locked loop circuit 17 demodulation, restoring sound signal is amplified by note amplifier 18 again, one the tunnel deliver to dual-tone multifrequency receptacle 13 then, touch-tone signal is identified and obtains the coding of its corresponding button, deliver to digital signal processing (DSP) chip 10 then, so this path and infrared transmitting device formation infra-red remote control keyboard, carry out straighforward operation to putting robber's device; Another road sound signal is then delivered to digital-to-analogue analog to digital converter 12, carries out the A/D conversion, the code word voice digitization, is input to DSP10 and handles.Digital-to-analogue analog to digital converter 12 also can be reduced to analog voice signal to the code word voice signal of numeral, delivers to loudspeaker and be reduced to sound after amplifying.Dsp chip 10 is connected with flash memory 11, finishes the function of speech recognition, compress speech and decompression and voice storage.Combinational logic 14 is realized the encoded control effect.LCD15 is connected with dsp chip 10 by data bus, shows for information about.
Fig. 3 is concrete circuit connection diagram.The following describes its principle of work.Code word storage infrared emittance major function is: 1) storage of code word voice and playback; 2) voice signal and touch-tone signal are also launched with modulation of infrared rays.First function (adopts ADSP2186 by digital signal processor 1, be U01), modulus digital to analog converter 3 (adopting AD73311) and flash memory 2 (adopt AT29C020, be U02) realize, wherein ADSP2186 is used for compress speech and decompression and relevant controlling, and its work clock is 16.67M, 33MIPS, an instruction cycle is 30ns, and inside contains the program storage of 8K digital data storer and 8K word; AD73311 finishes the simulated of the digitizing of voice and digital speech; AT29C020 is used for the code word voice after stored programme and the compression.Second function mainly realized by phase-locked loop circuit 4, phaselocked loop adopts MC4046, be U07, modulated signal has three, promptly (adopt LM3210 by the receiver input and through prime amplifier 8, U06) voice signal of Fang Daing and (adopt MT5087 by the code word voice signal and the dual-tone dialing device 6 of AD73311 reduction, U08) touch-tone signal that sends, these three signals are switched in the different moment respectively and insert MC4046, switching is controlled by ADSP2186, is realized by ON-OFF control circuit 5 (MC4066); The input of the coding of keyboard (is adopted MT8870, U03) is realized by dual-tone dialing device 6 and dual tone receiver 7 in addition; Combinational logic 9 is realized by U04GAL16V8.
Fig. 4 describes the concrete connection of speech recognition alarm.As seen from the figure, alarm partly is made up of infrared receiving unit and voice recognition processing.The preamplifying circuit 16 that the circuit of receiving unit mainly is made up of triode T01-T03, U07MC4046 pll demodulation circuit 17, note amplifier 18 (U08MC34119 and peripheral circuit thereof) are formed, and they finish the function of the FM signal that receives being carried out demodulation.The voice recognition processing part is made up of U01ADSP2181, U05AD73311, U02AT29C020, U04GAL16V8, U09MT8870 and LCD interface socket (J03), wherein the work clock of ADSP2181 is 16.67M, 33MIPS, an instruction cycle is 30ns, and inside contains the program storage of 16K digital data storer and 16K word.The voice signal that is restored by demodulator circuit 17 passes to after the AD73311 analog to digital conversion that ADSP2181 carries out speech recognition and other is handled, and the double-audio signal that restores after MT8870 identification with the coding input ADSP2181 of this key.AT29C020 is as the storer of data and program, and GAL16V8 constitutes the interface circuit of each peripheral hardware and ADSP2181, and 15 of LCD are used to show various results.Be also shown in by Fig. 4, receiver itself also has receiver interface J051, so when not having transmitter, owner still can directly use phonetic entry code word unlocking electronic lock.
For the present invention can be used in important antitheft place, use plural code word stored transmit device, simultaneously, store plural owner's code word.Like this, when having only when the owner more than two sends simultaneously code word, just can unblank.
Visual its of theftproof lock part uses character and carries out flexible design, as is used for automobile and then can be designed to relay and removes to start ignition device.
Master control process description to storage infrared transmitter of the voice among Fig. 5 Fig. 6 the present invention and infrared ray reception identification alarm is as follows:
After transmitter powers on, carry out initialization, wait for keyboard commands then.If variation has taken place because of certain reason sound in owner, can't directly unblank with voice, then can press the FAY key, then send the code word operation: import password earlier, if correctly then open the infrared ray passage, receiver can receive the keyboard commands of transmitter, at this time if there is key " * " to press, then transmitter is reduced to sound with code word by ADSP2186 from AD29C020, launch after modulation, allow receiver receive and identify, receiver operation finishes back prompting user and presses the END key, at this time transmitter cuts out infrared channel, puts the code word EO; Under normal circumstances, owner can directly unblank with voice, at this time can press the SBMS key, then enter recognition mode, transmitter cuts out AD converter and opens infrared channel, at this time receiver can receive keyboard commands and by the voice that transmitter is sent here, discern the operation of unblanking with password unlocking, referring to Fig. 6; If need the new code word of input or delete old code word, then can press the GLMS key, but entrance management pattern, at this time will input password, if correct, transmitter is opened the infrared ray passage, at this time receiver can be accepted the bookkeeping that keyboard commands carry out correspondence, see Fig. 6,, enter the operation of the new code word of input if press " 1 " key; If press " 2 " key, enter the operation of deletion code word; If press " 3 " key, enter system's speech training and operation; If press " 4 " key, enter formative operation.The prompting user closed infrared channel after various bookkeepings were finished, and finished bookkeeping.
Claims (2)
1, a kind of pronounce voice anti-theft device of variable effect of owner that is not subjected to, it is characterized in that: it is made up of code word storage infrared transmitter and infrared reception speech recognition alarm two parts.Code word storage infrared transmitter is made up of sound signal prime amplifier 8, phaselocked loop FM circuit 4, on-off controller 5, dual-tone dialing device 6, dual tone receiver 7, modulus and digital to analog converter 3, digital signal processor 1, flash memory 2, receiver and power supply etc.Infrared reception speech recognition alarm is by pre-amplifier 16, pll demodulation circuit 17, note amplifier 18, double-tone is received code device 13 frequently, digital signal processor 10, flash memory 11, combinational logic 14, control circuit 19, LCD 15, receiver, loudspeaker (or earphone), composition such as power supply and lock, lock is electronic control lock, receiver is connected with modulus digital to analog converter 3 with audio frequency preamplifier 8 in the code word storage infrared transmitter, sound signal prime amplifier 8 is connected with phaselocked loop FM circuit 4 by gauge tap 5, modulus digital to analog converter 3 respectively with digital signal processor 1, loudspeaker, on-off controller 5 is connected, 4 * 4 keyboards are by dual-tone dialing device 6, dual tone receiver 7 is connected with digital signal processor 1, and digital signal processor 1 also links to each other with combinational logic circuit 9 with flash memory 2; Pre-amplifier 16 is connected with note amplifier 18 by pll demodulation circuit 17 in the infrared reception speech recognition alarm, note amplifier 18 one tunnel is connected with two audio interface scramblers 13, another road is by then being connected to digital signal processor 10 through modulus digital to analog converter 12, flash memory 11 is connected with digital signal processor 1, LCD 15 is connected with digital signal processor 1 by data bus, and receiver and loudspeaker are connected on the note amplifier 18.
2, the pronounce voice anti-theft device of variable effect of owner that is not subjected to according to claim 1 is characterized in that being provided with plural code word stored transmit device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99116105A CN1115665C (en) | 1999-03-31 | 1999-03-31 | Voice anti-theft device not influenced by variation of sound of host |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99116105A CN1115665C (en) | 1999-03-31 | 1999-03-31 | Voice anti-theft device not influenced by variation of sound of host |
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| CN1235334A true CN1235334A (en) | 1999-11-17 |
| CN1115665C CN1115665C (en) | 2003-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN99116105A Expired - Fee Related CN1115665C (en) | 1999-03-31 | 1999-03-31 | Voice anti-theft device not influenced by variation of sound of host |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930676A (en) * | 2012-10-31 | 2013-02-13 | 牛运玲 | Voice identification type anti-theft device |
| CN111108968A (en) * | 2020-01-09 | 2020-05-08 | 潍坊科技学院 | Warmhouse booth environmental monitoring device |
-
1999
- 1999-03-31 CN CN99116105A patent/CN1115665C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930676A (en) * | 2012-10-31 | 2013-02-13 | 牛运玲 | Voice identification type anti-theft device |
| CN111108968A (en) * | 2020-01-09 | 2020-05-08 | 潍坊科技学院 | Warmhouse booth environmental monitoring device |
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| Publication number | Publication date |
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| CN1115665C (en) | 2003-07-23 |
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