CN101035154A - Blind portable electronic address list - Google Patents

Blind portable electronic address list Download PDF

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Publication number
CN101035154A
CN101035154A CN200610043326.8A CN200610043326A CN101035154A CN 101035154 A CN101035154 A CN 101035154A CN 200610043326 A CN200610043326 A CN 200610043326A CN 101035154 A CN101035154 A CN 101035154A
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China
Prior art keywords
unit
key
recording
keyboard
record
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CN200610043326.8A
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Chinese (zh)
Inventor
章平
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Qingdao University
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Qingdao University
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Priority to CN200610043326.8A priority Critical patent/CN101035154A/en
Publication of CN101035154A publication Critical patent/CN101035154A/en
Pending legal-status Critical Current

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Abstract

The invention relates to an application of a new technology through the use of electronic information and easy to carry for blindman using a portable electronic directory device, which consists of the hardware and operating system software with common voice signal playback function, hardware devices are made of special keyboard, SCM, voice, data storage, audio input and audio amplification by electric power connected portfolio theory, under operational procedures and technical documentation systems environment, voice command signal input audio stores and release in accordance with the keyboard, SCM, as the core hardware and software operation control centers, in accordance with the provisions of the design and operation procedures control device to achieve the function, the device's keyboard design requirements in accordance with the requirements of the blind with four function keys than conventional electronic address book or phone contacts to facilitate manual operation, through the voice signal input and output, ease of use of the blind, and small size, easy to carry.

Description

Blind portable electronic address list
Technical field:
The present invention relates to the portable electronic address list that a kind of blind man uses, specifically a kind ofly realize the electronic address list that the blind person can use, i.e. blind portable electronic address list by means of electronic information technology.
Background technology:
China has 8,700,000 blind persons now, phone is blind person and the extraneous main tool that exchanges, it is not blind kbhit least easily that the blind person makes a phone call to feel, but write down and search caller's name and telephone number, they can not use phone book records easily as ordinary person, enquiring telephone number, and on ground paper, carve braille, name one by one when making a phone call the directory enquiry sign indicating number, number is touched with hand, more than the number one, search telephone number and will spend a lot of times, papery braille address list volume is bigger, and out using is also inconvenient, and they wish to have and use the blind electronic address list of using easy to carry.When the normal person uses the cellphone directory enquiring telephone number, be by the manual sequential search of name, although mobile phone has the advanced query function by name searching, people still dislike input name trouble, be accustomed to simple manual sequential search, common people's telephone number is limited, searches also how long have more than is needed by hand.The blind person can not see liquid crystal display screen selection phonetic and Chinese character, just bothers more with cell phone keyboard input Chinese character by listening, and the time spent is also more.
There is a kind of Chinese speech telephone directory business in telecommunication bureau, the user is by making a phone call the server of name number typing telecommunication bureau, the name of making a phone call when needing directory enquiry to quote, telecommunication server identifies name with speech recognition technology, finds number and returns to user or dial-in direct.There is following point in this voice call book:
At first, in state-owned 56 nationalitys, eight big localism areas, most of people say dialect or band accent, at present the Chinese speech recognition technology is lower to the mandarin or the dialect discrimination of band accent.Second background noise such as sound of the wind, other people's speech, and the various sound of place environment are difficult to avoid.The 3rd is people's sound variation, and as indignation, flu, speak etc. and all can cause the variation of sound for a long time, these factors all can cause discrimination low, can not satisfy the demand of practical application.Should business will charge for telephone and service charge to telecommunication bureau in addition, cost is many.Personal phonebook's information is placed on telecommunication bureau, and individual privacy is leaked unavoidably.
Also there is similar problem in the speech recognition dial feature of mobile phone at present, and error rate is higher, and few people use.The electronics words book of mobile phone will show and could import Chinese Name or inquiry that the blind person can't use by liquid crystal display screen.According to the Nanjing daily paper, panda electronics group is developing the blind personal digital assistant device of using of panda brand T160M type series, has the spelling voice and enters for input, the management of full voice telephone directory memo pad.The spelling Pinyin Chinese input of mobile phone, each button is represented 3~4 phonetic alphabet, and can occur a plurality of phonetics during input Pinyin needs to select, and selects correct word again from a plurality of homophones of selected phonetic, imports a name and will do repeatedly selection.This Chinese spelling input mode is all cumbersome concerning the people of twenty-twenty vision, and the operation that the spelling voice enter for input Chinese concerning can only the blind person of audition is difficulty more, moreover also has quite a few blind person not learn phonetic.
The design of recording pen, MP3 player is fit to record clauses and subclauses long information after a little while, and many times of this clauses and subclauses of record address list are short, and the information of frequent deletion is improper, and enquiring telephone number is also inconvenient, and the recording pen price is high too at present.
Summary of the invention:
The objective of the invention is to solve the make a phone call problem of directory enquiry sign indicating number difficulty of blind person, a kind of portable electronic address list and its implementation that the blind person uses of being convenient to that the computer information technology design finishes that adopt is provided.
What the present invention relates to blindly is designed to electronic address list: information typing language record type, telephone number query adopt the manual sequential search of grouping and search dual mode by sequence number, operating procedure and execution result voice suggestion.
The present invention includes device and operational system two large divisions, promptly device and the running software system that is made up of hardware cooperates realization jointly, hardware unit is with keyboard unit, single machine unit, the speech data storage element, the recording input unit, audio amplification unit and power supply and control unit are communicated with formation by the electrical principles combined electrical, adopt conventional processing technology, under the working procedure of design, form blind portable electronic address list, its each unit division is as follows: keyboard unit: link to each other with single-chip microcomputer, R is arranged, C, M, four keys of OK, by the required format permutation button of blind person, voice messaging typing and output that can control device;
Single machine unit: can under the environment of keyboard instruction, control the recording playback of address list according to the requirement of technological document and programming system, and the processing of speech data and use;
Speech data memory cell: link to each other with single-chip microcomputer, under the control of technological document and programming system requires, carry out voice data, and make data realize read-write wiping effect according to the instruction of single machine unit;
Recording input unit: can under the environment of keyboard instruction, realize the record of voice signal and send the speech data memory cell to according to the requirement of technological document and programming system, contain microphone MIC and power supply circuits;
Audio amplification unit: contain audio frequency amplifier, Microspeaker connects the D/A output of single-chip microcomputer, according to the instruction of single machine unit, under technological document and programming system environment, amplifies audio signal and drives the loud speaker pronunciation;
Power supply and control unit: adopt 3V lithium battery and voltage regulator circuit,,, under the programming system environment, device is powered and realization control automatically according to the instruction of keyboard and single machine unit according to the electricity demand of device.
The running software programming system comprises data structure and working procedure:
Information record type input system, everyone information are a record, and the order of information record is: sequence number, and name, phone, out of Memory, variable-length, but duplication of name person's additional prefix or suffix are distinguished, as king's guiding principle, Xiao Wang's guiding principle.Record adopts the grouping preserving type, sets up N group in advance, and group name can be by user's modification.Set up the recording indexes table of each group, each table two row N is capable, and first classifies the sequence number of record as, second classifies the pointer of corresponding record as, sets up one the two capable group index table of row N again, and first classifies group number as, second classifies corresponding group pointer as, the recording indexes table of the corresponding group of group pointed.Logging data can also can be entered into default set earlier by M key selection group, transfers to other group again.
The minimum memory unit divided block of speech data memory cell wiping numbered for every.The storage organization of every record adopts chained list, monopolizes several, between each bar record shared piece can not be arranged.Dispose end mark during the data typing at the end of, so that stop to ending place during playback.Set up an empty block number round-robin queue, be used to store empty block number.
Each operation of the present invention all will be called the speech explanation prompting of prior typing, and the prompt tone playing process is, reads the data that will play from the speech data memory cell, and through decoding, pronunciation unit playback is delivered in the D/A conversion.Menu item is selected to press the M key, presses the OK key behind the option, carries out this project or enters this project menu.
Operation main program flow of the present invention is as follows:
System's energising operation, the initialization of elder generation of system, keyboard unit scans with timer interrupt mode, and keyboard unit is identified in the interrupt service routine and finishes.When entering menu at different levels, system will point out first.Main menu is provided with to add and writes down, is provided with, searches 3 options of record, and the entry information choosing is added record and entered the interpolation recording menu, has grouping to preserve, preserves two by sequence number:
The choosing grouping is preserved, and enters the grouping menu, and the user selects certain group by the M key, and system checks in the group pointer by the group index table, by organizing the recording indexes table that pointer finds this group, according to the sequence number of recording indexes table generation record, provides the recording prompting; The user presses the OK key, system with the content replication of this group record concordance list place piece in sram cache, add this LSN and pointer to this group record concordance list end, write the recording indexes table of renewal after former recording indexes table place piece wiped, send out recorded voice, read the sky block number from the head of the queue of empty block number round-robin queue, obtain the sky block address, the voice signal of input is done A/D conversion and digital coding, speech data is write this sky piece, and with this block number from the deletion of empty block number round-robin queue.When the user presses the OK key again, stop recording, end mark is put by system, returns main menu.
If the user selects to preserve by sequence number, hundred of system prompt input sequence number, user import several just several times by the M key, or pin the M key, and unclamp the M key after hearing the numeral of expectation, press OK key input system, the step of importing ten, individual is the same, and ensuing Recording Process is preserved identical with grouping.
The user selects second setup menu in main menu, the sequence number prompt tone is arranged, revise group name binomial content:
The sequence number prompt tone produces by system voice is synthetic, can open or close according to user's needs;
Revise group name, after user's selection group, the new group name of typing, system will use new group name, the retention system default setting.
If the user selects the 3rd to search record in main menu, enter and search recording menu, lookup method has by organizing and by two kinds of sequence numbers:
When user's choosing is searched by group, first choosing group, system checks in the group pointer by the group index table, finds the recording indexes table by the group pointer, points out this group first record, and the user searches by M key itemize again.
If the user remembers the sequence number of some records commonly used, optionally search by sequence number, import hundred, ten, individual position of LSN successively according to prompting, the place group is looked for by hundred of sequence number by system, compare the LSN in the recording indexes table again, can find required record to report fast.Find to write down after, enter the recording processing menu by the OK key, deletion record is arranged, two contents of moving recording:
Select deletion record, system prompt is confirmed this record of deletion, enter the deletion record flow process by the OK key again, read from chained list according to all memory block numberings that pointer will write down, these block numbers are write the tail of the queue of sky block number round-robin queue, wipe these pieces of release, the full content of recording indexes table in the single-chip microcomputer flash memory and place page or leaf copied in the sram cache revise, sequence number and the pointer of being deleted record in the concordance list are put 0, wipe this concordance list page or leaf, the recording indexes table of having revised is write back former page or leaf preserve.
Select moving recording, enter grouping menu select target group after, system adds sequence number, the pointer of amendment record the recording indexes table of target group to, and former recording indexes item is put 0.
Want amendment record to use former LSN to add record again original record deletion.
The present invention has compared with prior art avoided the Chinese trouble of numeric keypad input, operation voice suggestion with the recording input, button is few, and the blind person operates easily, can record a large amount of short messages, has stronger information retrieval ability, have the grouping query method that meets majority's use habit, can find the sequence number query method of required record fast, simple to operate, the integrated circuit cost is low, volume is little, and is easy to carry, is convenient to inquiry.
Description of drawings:
Fig. 1 is that hardware unit of the present invention is formed the structural principle schematic diagram.
Fig. 2 is a working procedure design cycle schematic diagram of the present invention.
Fig. 3 is the electrical principles schematic diagram of hardware unit circuit design example of the present invention.
Fig. 4 is the present invention's operation process flow chart.
Embodiment:
Realization of the present invention is divided into device and operating procedure program, be two funtion parts of hardware and software, its hardware unit is by keyboard unit 1, single machine unit 2, recording input unit 3, language data storage element 4, audio amplification unit 5, loud speaker 6 and power supply and control unit 7 are communicated with by the electrical principles combination and constitute, single machine unit work be hardware unit core respectively with keyboard unit 1, recording input unit 3, language data storage element 4, audio amplification unit 5 and power subsystem 7 control connections constitute the monomer hardware unit of realizing the running software program function.Its, concrete implementation content of body unit was as follows each minute:
Keyboard unit 1 links to each other with single-chip microcomputer, and R, C, four keys of M, OK are arranged, and at the menu selection mode, the M key turns under being, R key+OK key turns on being; At recording state, press for the first time the OK key and begin, again by for stopping for recording; At digital input state, M key number of times is a digital input value, long by the M key for adding the counting input automatically, R key+OK key is imported for subtracting to count, the C key is that present bit is clear 0, button has the voice broadcast numeral simultaneously; Generally speaking, the OK key is an input system, and a projection sign is arranged, and is convenient to the blind person button is located; The R key is a playback current state prompt tone, and the C key returns last layer for withdrawing from the current set of menu, grows by the C key for returning main menu;
16 single-chip microcomputer SPCE061A of single machine unit 2 channel selection gulf Ling Yang companies, operating voltage 2.4~3.6V, this single-chip microcomputer built-in 10 A/D, D/A, amplifier of microphone, automatic gain control, 2kSRAM, 32Kflash flash memory have the speech processes function library, wherein SACM DVR function has recording and player function, recording sample frequency 8KHz, sampled data data transfer rate after compression is 16Kb/S, the about 1Mb of per minute;
Speech data memory cell 3 adopts the Flash memory K9F6408UOC of Samsungs, operating voltage 2.7~3.6V, and capacity 64Mb, but voice data 64 minutes are to calculate in 8 seconds by recording an information time, but surplus the recorded information 400;
Recording input unit 4 contains mini microphone MIC and power supply circuits, adopts conventional element and parameter;
Audio amplification unit 5 contains audio frequency amplifier, and Microspeaker connects the D/A output of single machine unit 2, amplifies the pronunciation of audio-signal-driven loud speaker;
Power supply and control unit 7 thereof adopt 3 volts of button type lithium batteries, adopt power supply chip MAX1759 to provide system needed 3.3V voltage.
Hardware unit involved in the present invention carries out assembling after electricity connects for one according to the concatenate rule of routine by each element of representing in the electrical principles schematic diagram and gets final product.The running of its device is as follows:
Information is all used the record type input system except that sequence number, everyone information is a record, and the order of information record is: sequence number, name, phone, out of Memory.Record length is variable, adopts grouping to preserve.Set up the recording indexes table of each group, each table two row N is capable, and first classifies the sequence number of record as, second classifies the pointer of corresponding record as, sets up the group index table of one two row, ten row again, and first classifies group number as, second classifies corresponding group pointer as, the recording indexes table of the corresponding group of group pointed.Entry information can also can be entered into default set earlier by M key selection group, transfers to other group again.System is that every record generates unique sequence number by " sequence number in group number * 100+ group " during the information typing.
Flash memory K9F6408UOC is used in the speech data storage, is used for the recording data of memory communicating record content and prompt tone.The K9F6408UOC capacity is 64Mb, be divided into 1024 by numbering, data erase is unit with the piece, every record is the unit storage with the piece, and each piece capacity is 64Kb, presses the 16Kb/S data transfer rate and calculates, every blocks of data recording playback time is 4 seconds, article one, the time of record must with 4 seconds be least unit, as 4,8,12,16 seconds, the memory block number of corresponding use was 1,2,3,4.In program, set up an empty block number round-robin queue, preserve empty block number.
Each of address list operation all will be called the speech explanation of prior typing, and playing process is, reads the data that will play from speech data memory, and through decoding, pronunciation unit playback is delivered in the D/A conversion.For simplicity's sake, voice suggestion lies in each step manual operation.Menu item is selected to press the M key, selects a certain back by the OK key, can carry out this project or enter this project menu.
The main program design cycle is described as follows: system's energising operation, and each register and I/O port initialization, keyboard scans with timer interrupt mode, and keyboard is identified in the interrupt service routine and finishes.When entering menu at different levels, system will point out first.Main menu is provided with to add and writes down, is provided with, searches three options of record, and record is added in the entry information choosing, enters the interpolation recording menu, has grouping to preserve, preserves two by sequence number:
The choosing grouping is preserved, enter the grouping menu, the user selects certain group by the M key, system checks in the group pointer by the group index table, by organizing the recording indexes table that pointer finds this group, produce the sequence number that writes down according to the recording indexes table, providing the recording prompting: this LSN is XXX, begin recording hear of toot by the OK key after, stop recording again by the OK key.The user presses the OK key, system with the content replication of this group record concordance list place page or leaf in sram cache, add this LSN and pointer to this group record concordance list end, write the recording indexes table of renewal after former recording indexes table place page or leaf wiped, send out recorded voice, read the sky block number from the head of the queue of empty block number round-robin queue, obtain the sky block address, the voice signal of input is done A/D conversion and digital coding, speech data is write this sky piece, and with this block number from the deletion of empty block number round-robin queue.When the user presses the OK key again, stop recording, speech data end mark FFFF puts in system, returns main menu.
If the user selects to preserve by sequence number, hundred of system prompt input sequence number, user import several just several times by the M key, also can pin the M key, system prompt 1,2 after 1.5 seconds, 3,4,5... unclamps the M key after hearing the numeral of expectation, press OK key input system, the step of importing ten, individual is the same, and ensuing Recording Process is identical with the grouping preservation, repeats no more.
The user selects second setup menu in main menu, the sequence number prompt tone is arranged, revise group name binomial content:
The sequence number prompt tone produces by system voice is synthetic, can open or close according to user's needs;
Revise group name, after user's selection group, the new group name of typing, system will use new group name, keep former group name and be used for the recovery system default setting.
If the user selects the 3rd to search record in main menu, enter and search recording menu, lookup method has by organizing and by two kinds of sequence numbers:
When user's choosing is searched by group, first choosing group, system checks in the group pointer by the group index table, finds the recording indexes table by the group pointer, points out this group first record, and the user searches by M key itemize again.Close the sequence number prompt tone for the quickening seek rate can be provided with, the name from record begins to report like this, if just listen surname not to changeing next bar immediately.Suppose that address list has 200 records to divide 10 groups, group average record number is 20, can find required record soon.
If the user remembers the sequence number of some records commonly used, optionally search by sequence number, import hundred, ten, individual position of LSN successively according to prompting, the place group is looked for by hundred of sequence number by system, compare the LSN in the recording indexes table again, can find required record to report fast.
Find to write down after, enter the recording processing menu by the OK key, deletion record is arranged, two contents of moving recording:
Select deletion record, system prompt is confirmed this record of deletion, enter the deletion record flow process by the OK key again, read from chained list according to all memory block numberings that pointer will write down, these block numbers are write the tail of the queue of sky block number round-robin queue, wipe these pieces of release, the full content of recording indexes table in the single-chip microcomputer flash memory and place page or leaf copied in the sram cache revise, sequence number and the pointer of being deleted record in the concordance list are put 0, wipe former concordance list place page or leaf, the recording indexes table of having revised is write back former page or leaf preserve.
Select second moving recording, enter grouping menu select target group after, system adds sequence number, the pointer of amendment record the recording indexes table of target group to, and former recording indexes item is put 0.
Want amendment record to use former LSN to add record again original record deletion.
Aforesaid operations need call the wiping of flash memory K9F6408UOC, writes, reader, and the programming flow process is as follows:
Wipe program: beginning, write 60h, the write-in block address writes D0h, does the read states register detect I/O 6=1?, be not equal to 1 duplicate detection, equal 1 and detect I/O 0=1?, be not equal to 1 and provide erasable miscue, equal 1 EP (end of program).
Write a program: beginning, write the address, write data, write 10h, does the read states register detect I/O 6=1?, be not equal to 1 duplicate detection, equal 1 and detect I/O 0=1?, be not equal to 1 and provide erasable miscue, equal 1 EP (end of program).
Reader: beginning, write 00h, write the address, read data, error correcting code produces, and the error correcting code checking can't pass checking and carries out fault processing, finishes by proving program.
Hardware of the present invention is formed the U that adopts 1, U 2And U 3The volume of three chip blocks is all less, wherein single machine unit U 1Selecting SPCE061A LQFP encapsulation volume is 14 * 14 * 1.6mm; Speech data storage element U 2Selecting K9F6408UOC TBGA encapsulation volume is 8.5 * 6 * 0.9mm; Power supply chip U 3Select MAX1759 μ MAX encapsulation volume 5 * 3 * 1.1mm; And the association piece element, miniature transmitter, loud speaker, it is very little that the electronic address list volume can be done, and is easy to carry, and for example makes the business card type, or various key card type, if adopt double-decker, also can make Wristwatch-type, adds that time reporting function more has practical value.

Claims (2)

1. blind portable electronic address list is characterized in that keyboard unit, single machine unit, speech data storage element, recording input unit, audio amplification unit and power supply and control unit by the electrical principles electric connection, wherein:
Keyboard unit is by the required form row of blind person button, the voice messaging typing and the output of control device;
Single machine unit under the environment of keyboard instruction, is controlled the recording playback of address list according to the requirement of technological document and programming system, and the processing of speech data and use;
The speech data memory cell is carried out voice data according to the instruction of single machine unit under the control of technological document and programming system requires, and makes data realize read-write wiping effect;
The recording input unit is realized the record of voice signal and is sent the speech data memory cell to according to the requirement of technological document and programming system under the environment of keyboard instruction;
Audio amplification unit, amplifies audio signal and drives the loud speaker pronunciation under technological document and programming system environment according to the instruction of single machine unit;
Power supply and control unit, are powered and realization control automatically to device under the programming system environment according to the instruction of keyboard and single machine unit according to the electricity demand of device.
2. according to claims 1 described blind portable electronic address list, it is characterized in that keyboard has R, C, four keys of M, OK, the M key turns under being, the R+OK key turns on being; At recording state, press for the first time the OK key and begin, again by for stopping for recording; The C key is present bit clear 0 or withdraws from the current set of menu or return main menu that button has the voice broadcast numeral simultaneously; The OK key is an input system; The R key is a playback current state prompt tone.
CN200610043326.8A 2006-03-10 2006-03-10 Blind portable electronic address list Pending CN101035154A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102946469A (en) * 2012-10-18 2013-02-27 北京小米科技有限责任公司 Voice broadcasting method and device of mobile terminal, and mobile terminal
CN105810225B (en) * 2016-04-21 2018-12-25 苏州蓝博控制技术有限公司 Voice segment recombinates output method and device
CN110365852A (en) * 2019-08-13 2019-10-22 上饶市中科院云计算中心大数据研究院 A kind of method and apparatus of voice guide recording
TWI701576B (en) * 2019-03-28 2020-08-11 國立屏東大學 Method and computer program product of calculator for blind people

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102946469A (en) * 2012-10-18 2013-02-27 北京小米科技有限责任公司 Voice broadcasting method and device of mobile terminal, and mobile terminal
CN102946469B (en) * 2012-10-18 2014-12-10 小米科技有限责任公司 Voice broadcasting method and device of mobile terminal, and mobile terminal
CN105810225B (en) * 2016-04-21 2018-12-25 苏州蓝博控制技术有限公司 Voice segment recombinates output method and device
TWI701576B (en) * 2019-03-28 2020-08-11 國立屏東大學 Method and computer program product of calculator for blind people
CN110365852A (en) * 2019-08-13 2019-10-22 上饶市中科院云计算中心大数据研究院 A kind of method and apparatus of voice guide recording

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