CN107071616A - A kind of portable interpretation earphone based on signal processing technology - Google Patents
A kind of portable interpretation earphone based on signal processing technology Download PDFInfo
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- CN107071616A CN107071616A CN201710227783.0A CN201710227783A CN107071616A CN 107071616 A CN107071616 A CN 107071616A CN 201710227783 A CN201710227783 A CN 201710227783A CN 107071616 A CN107071616 A CN 107071616A
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- signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/01—Input selection or mixing for amplifiers or loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/01—Hearing devices using active noise cancellation
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Machine Translation (AREA)
Abstract
Present invention relates particularly to be a kind of portable interpretation earphone based on signal processing technology, it include signal gathering unit（100）, amplifier（101）, prefilter（102）, AD conversion unit（103）, DSP processing centers（104）, D/A conversion unit（105）, postfilter（106）, output unit（107）, wherein, signal gathering unit（100）With amplifier（101）Connection, amplifier（101）With prefilter（102）Connection, prefilter（102）With AD conversion unit（103）Connection, AD conversion unit（103）With DSP processing centers（104）Connection, DSP processing centers（104）With D/A conversion unit（105）Connection, D/A conversion unit（105）With postfilter（106）Connection, postfilter（106）With output unit（107）Connection.Travel away from home the trouble caused because of language inconvenience The present invention reduces people, and the expensive expense of translator that please be professional is eliminated, integrate while translating all units inside earphone, function is realized on chip, it is more exquisite so as to be conducive to the earphone volume of the present invention smaller.
Description
Technical field
The invention belongs to field of language translation, and in particular to be the portable interpretation earphone based on signal processing technology.
Background technology
With the economic development of country, the chance of people's travel abroad exchange is more and more, but the difference of language certainly will
The trip that can be given people causes very big puzzlement, and traditional language translation is mostly human translation, and the advantage of human translation is effect
Rate, accuracy rate are very high, can perfectly be changed for different language, but its shortcoming be engage translator expense very
Height, and translation process needs translator to accompany constantly, and this is very inconvenient for the daily exchange for the people that travel, if now
There is a language translation equipment, it will travelling is become more convenient, fast.
Traditional language translator is to be based on software translation mostly, but the implementation process of software translation is more complicated, institute
The device needed is relatively more, therefore the interpreting equipment formed is very inconvenient for the carrying of people.
A kind of Portable earphone based on signal processing technology, the signal processing technology bag that the present invention is used are introduced with invention
Include, analog signal processing technology and Digital Signal Processing；The audio that earphone is collected belongs to analog signal, and it is in amplitude domain
All it is continuous in interior and time-domain, audio signal is amplified, filtered, is modulated, is demodulated and various frequency transformations all belong to
In analog signal processing, the advantage of analog signal processing is that real-time performance is good, and used device, equipment volume are small, price
It is low；Digital Signal Processing is the technology that audio frequency simulation information is converted to digital information, and its advantage is that stability is good, is resisted
Jamming performance is good, small power consumption, and system development is fast, and price is low；Based on this technology, the translation earphone of this invention has translation speed
It hurry up, precision is high, small power consumption, it is easy to the advantages of integrated and easy to carry.
The content of the invention
The present invention is directed to the deficiency of conventional translation device there is provided a kind of portable interpretation earphone based on signal processing technology,
This equipment uses Hardware Implementation, and required working cell quantity is few, and operating rate is fast, can reach the effect of instant translation
Really, and all units integrate inside this translation earphone, function is realized on chip, so as to be conducive to the earphone of the present invention
Volume is smaller, more exquisite.
The object of the present invention is achieved like this：It includes signal gathering unit（100）, amplifier（101）, pre-filtering
Device（102）, AD conversion unit（103）, DSP processing centers（104）, D/A conversion unit（105）, postfilter（106）,
Output unit（107）, wherein, signal gathering unit（100）With amplifier（101）Connection, amplifier（101）With prefilter
（102）Connection, prefilter（102）With AD conversion unit（103）Connection, AD conversion unit（103）In being handled with DSP
The heart（104）Connection, DSP processing centers（104）With D/A conversion unit（105）Connection, D/A conversion unit（105）With rearmounted filter
Ripple device（106）Connection, postfilter（106）With output unit（107）Connection.
Further, signal gathering unit（100）, with built-in microphone, believe for receiving audio signal, and by audio
Number it is converted into the analog electrical signal of consecutive variations.
Further, amplifier（101）, the analog signal that previous step is generated is amplified, facilitated at next module
Reason.
Further, prefilter（102）, the analog signal after amplifier amplification is handled, simulation letter is got rid of
Noise in number.
Further, AD conversion unit（103）, the analog signal removed after noise is converted into scattered data signal.
Further, DSP processing centers（104）Including signal memory cell（108）, signal translation unit（109）, wherein believing
Number translation unit（109）According to the digital signal form transmitted in signal memory cell（108）In be compared, search for, transfer
Go out one-to-one data signal therewith, realize interpretative function.
Further, D/A conversion unit（105）, the data signal after transferring is converted into analog signal.
Further, postfilter（106）, due to being treated in unit to signal in journey, it may appear that distortion,
Situations such as noise, postfilter（106）Purpose be that last analog signal is filtered processing.
Further, output unit（107）, analog signal is switched into the audio file that earphone can be recognized, translation is realized.
Further, all units integrate inside translation earphone, function are realized on chip, so as to be conducive to the present invention
Earphone volume it is smaller, it is more exquisite.
Brief description of the drawings
Fig. 1 is the system architecture diagram of the present invention；
Fig. 2 is DSP processing centers block diagram of the present invention.
Embodiment：
Embodiments of the invention are elaborated below in conjunction with the accompanying drawings：The present embodiment is under premised on technical solution of the present invention
Implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to subordinate's
Case study on implementation.
As shown in figure 1, the present invention includes signal gathering unit（100）, amplifier（101）, prefilter（102）, mould
Number converting unit（103）, DSP processing centers（104）, D/A conversion unit（105）, postfilter（106）, output unit
（107）, wherein, signal gathering unit（100）With amplifier（101）Connection, amplifier（101）With prefilter（102）Even
Connect, prefilter（102）With AD conversion unit（103）Connection, AD conversion unit（103）With DSP processing centers（104）
Connection, DSP processing centers（104）With D/A conversion unit（105）Connection, D/A conversion unit（105）With postfilter
（106）Connection, postfilter（106）With output unit（107）Connection.Signal gathering unit（100）With built-in microphone,
For the collection to audio signal, while audio analog signals are converted into the analog electrical signal that system can be recognized by microphone.
Amplifier（101）The analog signal that previous step is generated is amplified, and facilitates next module to be handled, this invention
In use micro energy lose operational amplifier because micro energy lose operational amplifier not only needs to consume less source current, simultaneously
It is required that supply voltage is relatively low, for the translation process of upper time, the power consumption of power supply can be reduced.
Because signal gathering unit gathers sound（100）Can adulterate noise during frequency signal, by prefilter
（102）Processing carry out noise reduction, remove noise section.
AD conversion unit（103）The analog signal removed after noise is converted into scattered data signal, this numeral letter
Number be the corresponding data signal of pretranslation language audio signal.
DSP processing centers（104）Including signal memory cell（108）, signal translation unit（109）.
This interpreting equipment is designed for travelling, and on the sentence involved by the exchange of tourism center city be it is limited,
The pronunciation of various countries' language is different, but the Chinese that the corresponding digital form of audio signal of a certain sentence foreign language is translated into this
The corresponding digital form of language is one-to-one, therefore the travel agency practitioner of locality can be asked to be possible to the day used in advance
Common-use words are entered into earphone, while by the corresponding chinese input of these works and expressions for everyday use into earphone, now, DSP processing
Center（104）The corresponding data signal of bilingual is numbered, signal memory cell is arrived in storage（108）, when people use
When, signal translation unit（109）According to the corresponding data signal of a certain sentence foreign language of input in signal memory cell（108）In look into
Look for, search for, transfer the corresponding Chinese numbers signal of this foreign language, reach translation purpose.
D/A conversion unit（105）, the corresponding data signal of Chinese is converted into corresponding analog signal.
Postfilter（106）, due to being treated in unit to signal in journey, it may appear that distortion, noise etc.
Situation, postfilter（106）Purpose be that last analog signal is filtered processing.
Output unit（107）, analog signal is switched into the audio file that earphone can be recognized, translation purpose is realized.
Because unit of the present invention belongs to hardware cell, finally translate all units inside earphone and integrate,
Function is realized on chip, so that be conducive to the earphone volume of the present invention smaller, it is more exquisite.
Claims (9)
1. a kind of portable interpretation earphone based on signal processing technology, it includes signal gathering unit（100）, amplifier
（101）, prefilter（102）, AD conversion unit（103）, DSP processing centers（104）, D/A conversion unit（105）, after
Put wave filter（106）, output unit（107）, wherein, signal gathering unit（100）With amplifier（101）Connection, amplifier
（101）With prefilter（102）Connection, prefilter（102）With AD conversion unit（103）Connection, analog-to-digital conversion list
Member（103）With DSP processing centers（104）Connection, DSP processing centers（104）With D/A conversion unit（105）Connection, digital-to-analogue turns
Change unit（105）With postfilter（106）Connection, postfilter（106）With output unit（107）Connection.
2. based on the signal gathering unit described in claim 1（100）, with built-in microphone, for receiving audio signal, and
And convert audio signals into the analog electrical signal of consecutive variations.
3. based on the amplifier described in claim 1（101）, the analog signal that previous step is generated is amplified, facilitates next
Module is handled.
4. based on the prefilter described in claim 1（102）, the analog signal after amplifier amplification is handled, gone
Remove the noise in analog signal.
5. based on the AD conversion unit described in claim 1（103）, the analog signal removed after noise is converted to scattered
Data signal.
6. based on the DSP processing centers described in claim 1（104）Including signal memory cell（108）, signal translation unit
（109）, wherein signal translation unit is compared according to the digital signal form transmitted in signal memory cell, searches for, and adjusts
One-to-one data signal therewith is taken out, interpretative function is realized.
7. based on the D/A conversion unit described in claim 1（105）, the data signal after transferring is converted into simulation letter
Number.
8. based on the postfilter described in claim 1（106）, due to being treated in unit to signal in journey,
Situations such as distortion, noise occurs, postfilter（106）Purpose be that last analog signal is filtered processing.
9. based on the output unit described in claim 1（107）, analog signal is switched into the audio file that earphone can be recognized,
Realize translation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710227783.0A CN107071616A (en) | 2017-04-10 | 2017-04-10 | A kind of portable interpretation earphone based on signal processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710227783.0A CN107071616A (en) | 2017-04-10 | 2017-04-10 | A kind of portable interpretation earphone based on signal processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107071616A true CN107071616A (en) | 2017-08-18 |
Family
ID=59601645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710227783.0A Pending CN107071616A (en) | 2017-04-10 | 2017-04-10 | A kind of portable interpretation earphone based on signal processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107071616A (en) |
-
2017
- 2017-04-10 CN CN201710227783.0A patent/CN107071616A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170818 |