CN107040858A - A kind of artificial cochlea's speech algorithm experimental device - Google Patents
A kind of artificial cochlea's speech algorithm experimental device Download PDFInfo
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- CN107040858A CN107040858A CN201710465155.6A CN201710465155A CN107040858A CN 107040858 A CN107040858 A CN 107040858A CN 201710465155 A CN201710465155 A CN 201710465155A CN 107040858 A CN107040858 A CN 107040858A
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- artificial cochlea
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- 210000003477 cochlea Anatomy 0.000 title claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 63
- 230000005236 sound signal Effects 0.000 claims abstract description 17
- 230000010076 replication Effects 0.000 claims description 13
- 238000013500 data storage Methods 0.000 claims description 12
- 210000000352 storage cell Anatomy 0.000 claims description 12
- 210000004027 cell Anatomy 0.000 claims description 9
- 239000000284 extract Substances 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract description 7
- 238000004088 simulation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 206010011891 Deafness neurosensory Diseases 0.000 description 2
- 208000009966 Sensorineural Hearing Loss Diseases 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 231100000879 sensorineural hearing loss Toxicity 0.000 description 2
- 208000023573 sensorineural hearing loss disease Diseases 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000000860 cochlear nerve Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012803 optimization experiment Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/43—Electronic input selection or mixing based on input signal analysis, e.g. mixing or selection between microphone and telecoil or between microphones with different directivity characteristics
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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
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
- H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
Abstract
The invention discloses a kind of artificial cochlea's speech algorithm experimental device, input signal treatment channel including the audio signal of input to be converted to data signal, handle the signal processing unit of data signal, the central control unit of control signal processing unit and the output signal treatment channel for converting digital signals into audio signal, input signal treatment channel is connected with signal processing unit, signal processing unit is connected with output signal treatment channel, central control unit is connected with signal processing unit, signal processing unit includes at least two programmable digital signal processor.Technical scheme uses microprocessor and programmable digital signal processor, speech algorithm is realized by simply setting, and can be by controlling it speech Processing Algorithm flexibly to realize artificial cochlea, and the analog- and digital- audio signal of input unit can be handled in real time, realize the experiment to the algorithm.
Description
Technical field
The invention belongs to medical experiment device field, it is related to a kind of speech algorithm experimental device, more particularly to a kind of people
Work cochlea speech algorithm experimental device.
Background technology
Artificial cochlea is severe pole severe patients with sensorineural hearing loss is recovered hearing and speech so far
The auditory rehabilitation equipment of ability to exchange.Its operation principle is that voice signal is handled by certain language processing strategy,
Electric signal is then converted into, the auditory nerve of patient's remaining is stimulated.Artificial cochlea handles the strategy decision effect of speech discrimination.
When studying artificial cochlea's signal transacting strategy, carry out acoustic simulation is generally required, the acoustic signal of simulation is broadcast
Put to Subjects With Normal Hearing or light moderate patients with sensorineural hearing loss, assess the identification feelings of sound after certain processing strategy processing
Condition, so that the quality of assessment signal processing strategy.In sound signal processing strategy, committed step is to extract the bag of voice signal
Network information, and by very effect of multiple parameters.Research in terms of current artificial cochlea's acoustic simulation is limited only to several laboratories, reason
It is to need with the software programming program code such as matlab, and for the clinician and related personnel of non-industry science background,
Although very interested in the recruitment evaluation of artificial cochlea, code is write for fear of without relevant rudimentary, clinical doctor is seriously hindered
Teacher and related personnel participate in the research in terms of artificial cochlea's language processing strategy..
The content of the invention
In view of this, the invention provides a kind of flexibly and easily artificial cochlea's speech algorithm experimental device.
To reach above-mentioned purpose, concrete technical scheme is as follows：
A kind of artificial cochlea's speech algorithm experimental device, including the audio signal of input is converted to the input of data signal
Signal processing channel, the signal processing unit for handling data signal, the central control unit of the control signal processing unit and
Convert digital signals into the output signal treatment channel of audio signal, the input signal treatment channel and the signal transacting
Unit is connected, and the signal processing unit is connected with the output signal treatment channel, the central control unit and the letter
Number processing unit is connected, and the signal processing unit includes at least two programmable digital signal processor.
It is preferred that, in the signal processing unit also include selection and reproduction digital signal signal replication selecting unit,
Select and hybrid digital signal signal mixed cell, the signal replication selecting unit, the signal mixed cell respectively with
The programmable digital signal processor is connected.
It is preferred that, at the quantity and the programmable digital signal of the data signal that the signal replication selecting unit is replicated
The quantity for managing device is identical, and the data signal of duplication is inputted the programmable number by the signal replication selecting unit correspondingly
Word signal processor.
It is preferred that, the programmable digital signal processor is filtered to data signal, extracts envelope and fine structure,
And the data signal after processing is input to the signal mixed cell.
It is preferred that, the quantity of the programmable digital signal processor is more than or equal to 16.
It is preferred that, the quantity of the programmable digital signal processor is more than or equal to 32.
It is preferred that, include the data storage cell of pre-stored digital audio and video signals, the data storage cell respectively with
The signal processing unit, the central control unit are connected, and the central control unit is controlled in the data storage cell
Data signal input the signal processing unit.
It is preferred that, in addition to control terminal, the control terminal is connected with the central control unit, the control terminal
The signal processing unit and data storage cell are controlled by the central control unit.
It is preferred that, in addition to acoustic input dephonoprojectoscope, the acoustic input dephonoprojectoscope is connected with the input signal treatment channel.
It is preferred that, in addition to voice output, the voice output is connected with the output signal channel.
Relative to prior art, technical scheme can realize that speech is calculated by computer equipment to hardware programming
Method, and the analog- and digital- audio signal of input unit can be handled in real time, and the signal after processing is passed through into simulation in real time
Interface is sent on the earphone of testee.One is provided for the researcher of speech algorithm flexibly and easily experiment porch, greatly
Ground saves researcher and realizes fund and the time of algorithm, while can rapidly carry out the experiment of algorithm.
Brief description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of embodiments of the invention.
Fig. 2 is the structural representation of the signal processing unit in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combination.
Embodiments of the invention are done with specific explaination below with reference to accompanying drawing.
As shown in fig. 1, a kind of artificial cochlea's speech algorithm experimental device of embodiments of the invention, including experimental provision
10, it includes the audio signal of input being converted to the input signal treatment channel 11 of data signal, handles the letter of data signal
Number processing unit 13, the central control unit 14 of control signal processing unit and the output for converting digital signals into audio signal
Signal processing channel 12.Input signal treatment channel 11 is connected with signal processing unit 13, and signal processing unit 13 is believed with output
Number treatment channel 12 is connected, and central control unit 14 is connected with signal processing unit 13, and signal processing unit 13 is included at least
The programmable digital signal processor of two.
Optimization experiment device 10 also includes the data storage cell 15 of pre-stored digital audio and video signals.Embodiments of the invention
Also include control terminal 40, acoustic input dephonoprojectoscope 20, voice output 30.
As shown in fig. 1, in an embodiment of the present invention, the embodiment of the present invention passes through the acoustic input dephonoprojectoscope that is sequentially connected
20th, experimental provision 10, voice output 30 and it is connected and controls the control terminal 40 of experimental provision 10 with experimental provision 10
To realize function.Acoustic input dephonoprojectoscope 20 can use microphone that audio-frequency information is inputted into experimental provision by audio input line 50
10.Audio-frequency information is inputted voice output 30 by experimental provision 10 by audio output line 60, and voice output 30 can be with
Use earphone or loudspeaker.The control software of experimental provision 10 is installed on control terminal 40, controlled by high speed serialization total
Control command is sent to experimental provision 10 by line 70, and reads status information therein.
Audio-frequency information inputs the input signal treatment channel 11 of experimental provision 10, and the analog signal of input is converted into numeral
Signal, passes through the input signal processing unit 13 of high speed parallel bus 16.The control information input experiment dress that control terminal 40 is sent
Put 10 central control unit 14.Central control unit 14 is according to control instruction, by controlling bus 18 to signal processing unit
13 are configured, and are written and read operation to data storage cell 15 by high speed data bus 20.Signal processing unit 13
According to the instruction of central control unit 14, digitized audio message is inputted from input signal treatment channel 11 by high speed parallel bus 16
And/or by high speed data bus 19 from the reading data of data storage cell 15, the digitized audio message after generation processing, and lead to
High speed parallel bus 17 is crossed, output signal treatment channel 12 is input to.Output signal treatment channel 12 turns digitized audio message
Change analog audio information into, experimental provision 10 is exported by audio output line 60.
Embodiments of the invention use microprocessor and programmable digital signal processor, by simply setting come real
Existing speech algorithm, and flexibly the speech Processing Algorithm of artificial cochlea can be realized, and can locate in real time by controlling it
The analog- and digital- audio signal of input unit is managed, and the signal after processing is sent to testee by analog interface in real time
Earphone on, realize experiment to the algorithm.Real-time testing is realized to language material, so as to substantially increase speech algorithm experimental
Flexibility and convenience.Meanwhile, in order to simplify artificial cochlea's acoustic simulation process, the present apparatus is by artificial cochlea's signal transacting strategy
In the parameter that is related to set respectively, researcher can arbitrarily set arbitrary parameter therein, and export the sound letter after processing
Number, realize the ease of Use of artificial cochlea's acoustic simulation.
As shown in Figure 2, in an embodiment of the present invention, signal processing unit 13 illustrates the realization of signal processing unit
Method and operation principle.It is mixed including signal replication selecting unit 131, programmable digital signal processor group 132 and signal
Close unit 133.
Signal replication selecting unit 131 signal input be high speed parallel bus 16 and high speed data bus 19, while in
Centre control unit 14 is controlled it by controlling bus 18.Signal replication selecting unit 131 selects quilt from input signal
The signal source of processing, while being preferred 32 parts by this reproduced digital audio signal, inputs programmable digital signal processor
Group 132.Equally, signal replication selecting unit 131 is selected as the signal source of CF signal from input signal, at the same by this
CF signal copies as preferred 32 parts, input programmable digital signal processor group 132.
Programmable digital signal processor group 132 is preferably made up of 32 programmable digital signal processors, is received respectively
Digital audio and video signals and CF signal that signal replication selecting unit 131 is inputted, while central control unit 14 is total by control
Line 18 is controlled it.Programmable digital signal processor is instructed according to central control unit 14, realizes and DAB is believed
Number filtering, extract the function of envelope and fine structure, and the signal after processing is input to signal mixed cell 133.
Signal mixed cell 133 receives 32 road signal inputs of programmable digital signal processor group 132, while center control
Unit 14 processed is controlled it by controlling bus 18.Signal mixed cell 133 is instructed according to central control unit 14, is realized
Selection and mixed processing to input signal, and the signal after processing is passed through into the output signal processing unit of high speed parallel bus 17
13。
As shown in figs. 1 and 2, in an embodiment of the present invention, the control software installed by control terminal 40, selects sound
Frequency source signal.Acoustic input dephonoprojectoscope 20 is selected as audio signal source, or the number for selecting to be pre-stored from data storage cell 15
Word audio-frequency information is used as signal source.The control software installed again by control terminal 40, the processing of setting signal processing unit 13
Parameter.Edit the extraction side of the cut-off frequency of the wave filter in programmable digital signal processor group 132, envelope and fine structure
Formula and the mode of audio signal Carrier Modulation etc..The signal behavior of signal mixed cell 133 and the processing side of synthesis are edited simultaneously
Formula.Finally, on voice output 30, experiment testee can hear the audio signal after processing, so as to assess speech
The performance of algorithm.
The specific embodiment of the present invention is described in detail above, but it is intended only as example, and the present invention is not limited
It is formed on particular embodiments described above.To those skilled in the art, it is any to the equivalent modifications that carry out of the present invention and
Substitute also all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and
Modification, all should be contained within the scope of the invention.
Claims (10)
1. a kind of artificial cochlea's speech algorithm experimental device, it is characterised in that including the audio signal of input is converted into numeral
The input signal treatment channel of signal, the signal processing unit for handling data signal, the center of the control signal processing unit
Control unit and the output signal treatment channel for converting digital signals into audio signal, the input signal treatment channel and institute
State signal processing unit to be connected, the signal processing unit is connected with the output signal treatment channel, the center control is single
First to be connected with the signal processing unit, the signal processing unit includes at least two programmable digital signal processing
Device.
2. artificial cochlea's speech algorithm experimental device according to claim 1, it is characterised in that the signal processing unit
In also include selection and reproduction digital signal signal replication selecting unit, selection and hybrid digital signal signal mixing it is single
Member, the signal replication selecting unit, the signal mixed cell are connected with the programmable digital signal processor respectively.
3. artificial cochlea's speech algorithm experimental device according to claim 2, it is characterised in that the signal replication selection
The quantity for the data signal that unit is replicated is identical with the quantity of the programmable digital signal processor, the signal replication selection
The data signal of duplication is inputted the programmable digital signal processor by unit correspondingly.
4. artificial cochlea's speech algorithm experimental device according to claim 3, it is characterised in that the programmable digital letter
Number processor is filtered to data signal, extracts envelope and fine structure, and the data signal after processing is input to described
Signal mixed cell.
5. artificial cochlea's speech algorithm experimental device according to claim 4, it is characterised in that the programmable digital letter
The quantity of number processor is more than or equal to 16.
6. artificial cochlea's speech algorithm experimental device according to claim 5, it is characterised in that the programmable digital letter
The quantity of number processor is more than or equal to 32.
7. artificial cochlea's speech algorithm experimental device according to claim 1, it is characterised in that also including pre-stored numeral
The data storage cell of audio signal, the data storage cell is single with the signal processing unit, the center control respectively
Member is connected, and the central control unit controls the data signal in the data storage cell to input the signal processing unit.
8. artificial cochlea's speech algorithm experimental device according to claim 7, it is characterised in that also including control terminal,
The control terminal is connected with the central control unit, and the control terminal controls the letter by the central control unit
Number processing unit and data storage cell.
9. artificial cochlea's speech algorithm experimental device according to claim 1, it is characterised in that also input and fill including sound
Put, the acoustic input dephonoprojectoscope is connected with the input signal treatment channel.
10. artificial cochlea's speech algorithm experimental device according to claim 1, it is characterised in that also exported including sound
Device, the voice output is connected with the output signal channel.
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| CN201710465155.6A CN107040858A (en) | 2017-06-19 | 2017-06-19 | A kind of artificial cochlea's speech algorithm experimental device |
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| CN201710465155.6A CN107040858A (en) | 2017-06-19 | 2017-06-19 | A kind of artificial cochlea's speech algorithm experimental device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030044034A1 (en) * | 2001-08-27 | 2003-03-06 | The Regents Of The University Of California | Cochlear implants and apparatus/methods for improving audio signals by use of frequency-amplitude-modulation-encoding (FAME) strategies |
| CN101744670A (en) * | 2008-12-16 | 2010-06-23 | 上海冠芯电子科技有限公司 | Artificial cochlear debugging programming method and system adopting wireless data transmission |
| CN101953722A (en) * | 2010-09-10 | 2011-01-26 | 中国科学院声学研究所 | Cochlear implant and sound signal processing method thereof |
| CN102670331A (en) * | 2012-06-04 | 2012-09-19 | 清华大学 | Electronic cochlear in-vitro debugging platform based on local area network (LAN) |
| CN206977699U (en) * | 2017-06-19 | 2018-02-06 | 上海市第六人民医院 | A kind of artificial cochlea's speech algorithm experimental device |
-
2017
- 2017-06-19 CN CN201710465155.6A patent/CN107040858A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030044034A1 (en) * | 2001-08-27 | 2003-03-06 | The Regents Of The University Of California | Cochlear implants and apparatus/methods for improving audio signals by use of frequency-amplitude-modulation-encoding (FAME) strategies |
| CN101744670A (en) * | 2008-12-16 | 2010-06-23 | 上海冠芯电子科技有限公司 | Artificial cochlear debugging programming method and system adopting wireless data transmission |
| CN101953722A (en) * | 2010-09-10 | 2011-01-26 | 中国科学院声学研究所 | Cochlear implant and sound signal processing method thereof |
| CN102670331A (en) * | 2012-06-04 | 2012-09-19 | 清华大学 | Electronic cochlear in-vitro debugging platform based on local area network (LAN) |
| CN206977699U (en) * | 2017-06-19 | 2018-02-06 | 上海市第六人民医院 | A kind of artificial cochlea's speech algorithm experimental device |
Non-Patent Citations (2)
| Title |
|---|
| 吴震等: "人工耳蜗言语处理系统的CIS算法设计与实现", 《电子技术应用》 * |
| 孟庆林等: "人工耳蜗非实时研究平台开发与验证", 《声学技术》 * |
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Application publication date: 20170811 |