CN104796514B - A kind of dispatch terminal and its denoising method based on NFC device - Google Patents
A kind of dispatch terminal and its denoising method based on NFC device Download PDFInfo
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- CN104796514B CN104796514B CN201510120995.XA CN201510120995A CN104796514B CN 104796514 B CN104796514 B CN 104796514B CN 201510120995 A CN201510120995 A CN 201510120995A CN 104796514 B CN104796514 B CN 104796514B
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Abstract
The invention discloses a kind of dispatch terminal based on NFC device, including voice collecting circuit, buffer circuit, handle and microphone, voice collecting circuit, buffer circuit and the microphone are arranged on the inside of handle, user voice or impact noise are converted into electric signal transmission to voice collecting circuit by microphone, buffer circuit is transmitted further to after the processing of voice collecting circuit, also include NFC device, wherein, NFC device is used for measuring distance between handle and main frame, and output end is connected to the host-processor；Host-processor is received between handle and main frame from NFC device collection after distance, and voice collecting circuit and buffer circuit are controlled compared with setting value, and according to result.By setting NFC device, the distance of collection scheduling terminal handle and main frame is simultaneously handled the present invention, is eliminated the interference that impact noise is brought to meeting, is improved the Consumer's Experience in meeting.
Description
Technical field
The present invention relates to a kind of dispatch terminal, more particularly to it is a kind of based on NFC (Near Field Communication,
Near-field communication) device realize dispatch terminal, also relate to a kind of denoising method based on NFC device.
Background technology
Dispatch terminal is generally used for special industry, such as the dispatching communication business of the industry such as railway, track traffic, national defence.
Talking mode uses conference model more, for example convenes regular meeting, arranges work, and the user to attend a meeting is substantially all using scheduling eventually
End, and often there is dispatch terminal on-hook to exit meeting during port operation meeting.
When dispatch terminal on-hook, because handle is impacted, impact noise can be produced.The volume of this impact noise
It is general bigger, therefore the user that can be attended a meeting by other clearly hears, while interference is produced to the call in meeting.Ordinary circumstance
Under, it is relatively more to participate in the user of meeting, and on-hook also can be relatively more frequent, cause impact noise to generate seriously other conference users
Interference.
Publication No. is that CN103578470A Chinese patent application discloses a kind of processing method of telephonograph data, is wrapped
Include：End-point detection is carried out to the source recording data of input, obtains sound data；Judge whether sound data are invalid data, if
It is then to give up, otherwise, it determines sound data are speech data；Judge whether speech data is abnormal data, if so, then give up,
Otherwise, it determines speech data is efficient voice data.The processing method of the telephonograph data of the disclosure of the invention, having filtered out has
The noise signal and abnormal speech signal of higher-energy, ensure the validity into the data of subsequent speech recognition system, so as to
The error rate of subsequent speech recognition process is reduced, improves the efficiency of speech recognition, while is determined by end-point detection sound
The step of data, reduce operand.But with regard to not handled with impact noise during on-hook how to handle off-hook, can also
The use of influence system.
Notification number is that CN201213281Y Chinese utility model patent discloses a kind of picking/hanging detection circuit for telephone set,
The detection circuit includes power supply circuit：Series electrical current detection circuit, it is connected with the feed circuit of phone, for adopting for loop current
Sample；Photoelectric coupling circuit, it is connected with series electrical current detection circuit, for the loop isolated series electrical current detection circuit He be sampled
Electric current；Zoom comparison circuit, it is connected with photoelectric coupling circuit and is powered by the power supply circuit, its output end is plucked/hung with the external world
Machine signal control terminal is connected, and amplification and thresholding for completing detection signal are compared.In order to prevent phone noise or circuit malfunction
Make, the detection circuit also includes sluggish steady-state circuit, its between zoom comparison circuit and photoelectric coupling circuit, for pluck/
The output of on-hook logic state.But not to pluck/on-hook formed impact signal handle.
The content of the invention
In view of the shortcomings of the prior art, primary technical problem to be solved by this invention is that providing a kind of NFC that is based on fills
The dispatch terminal put.
Another technical problem to be solved by this invention is to provide a kind of denoising method based on NFC device.
For achieving the above object, the present invention uses following technical schemes：
A kind of dispatch terminal based on NFC device, including voice collecting circuit, buffer circuit, handle, microphone and NFC dresses
Put；Wherein, voice collecting circuit, buffer circuit and microphone are arranged on the inside of handle, and microphone is by user voice or impulse noise
Sound is converted into electric signal transmission to voice collecting circuit, and buffer circuit is transmitted further to after the processing of voice collecting circuit；
The NFC device, for measuring distance between handle and main frame, output end is connected to the host-processor；
The host-processor is received between handle and main frame from NFC device collection after distance, with setting value
It is compared, and the voice collecting circuit and buffer circuit is controlled according to result.
Wherein more preferably, the NFC device includes NFC reader and NFC chip, and the NFC chip is arranged at handle
Centre position, the NFC reader are arranged above main frame；When handle on-hook, the NFC reader and the NFC chip
Position is relative, and now the NFC reader reads the pre-stored data in the NFC chip.
Wherein more preferably, the NFC chip corresponds with handle.
Wherein more preferably, when distance is less than setting value between the NFC reader and the NFC chip, buffer circuit
Cached speech data is deleted, and stops sending speech data；When distance between the NFC reader and the NFC chip
During more than setting value, buffer circuit restarting, the speech data that caching voice collecting circuit is gathered is transmitted.
Wherein more preferably, the dispatch terminal also includes indicator lamp,
Wherein more preferably, the dispatch terminal also includes display screen, for prompting user to have accident or failure.
A kind of denoising method based on NFC device, realized, comprised the following steps based on above-mentioned dispatch terminal：
NFC reader receives the pre-stored data in the NFC chip being arranged on handle；
Pre-stored data is handled, the pre-stored data is used for determining whether the handle for this dispatch terminal；
If NFC chip and the distance of NFC reader are less than setting value, handle belongs to this dispatch terminal, and deletion has been delayed
The speech data deposited, stop sending speech data；If being not belonging to, without processing, dispatch terminal keeps current operating state；
If NFC chip and the distance of NFC reader are more than setting value, buffer circuit collection voice data concurrency is sent, extensive
Multiple call.
Wherein more preferably, the impact noise removing method also includes the step of collection speech data, including：
Microphone receives the voice of user, will convert into electric signal；
Voice collecting circuit is transmitted to buffer circuit after being handled from the electric signal；
Buffer circuit store voice data.
Wherein more preferably, the step of impact noise removing method also includes validating that handle, including：
By the pre-stored data of the NFC chip collected compared with the pre-stored data in NFC reader；
If two data are identical, handle and host matching are confirmed；If it is not the same, then handle mismatches with main frame.
Compared with prior art, the present invention can be eliminated caused by handle off-hook, on-hook or the collision of dispatch terminal
Impact noise, interference of the impact noise to conference call is avoided, significantly improves Consumer's Experience.
Brief description of the drawings
Fig. 1 is the structured flowchart of the dispatch terminal provided by the present invention based on NFC device；
Fig. 2 is the flow chart of the denoising method provided by the present invention based on NFC device.
Embodiment
The technology contents of the present invention are further described with specific embodiment below in conjunction with the accompanying drawings.
Under normal circumstances, when user uses dispatch terminal, the lower section that dispatch terminal is positioned over user's face can be picked up, i.e., with
The basic keep level of oral area of user, now the voice messaging of user can more clearly be transferred to the other user scheduling it is whole
In end.When user is using completing, somewhere can be hung on conveniently, facilitate take next time.But partner is due to can not hang simultaneously
Machine, or multiple users, simultaneously when use dispatch terminal, only certain customers' on-hook, other users keep use, now on-hook
The on-hook sound of user can form more ear-piercing noise in the user of positive using terminal, and the lighter influences the use matter of user
Amount, severe one user can not use.
Therefore, the invention provides a kind of dispatch terminal based on NFC device, as shown in figure 1, including：NFC device, language
Sound Acquisition Circuit, buffer circuit, handle, microphone and host-processor, wherein, NFC device includes NFC reader and NFC cores
Piece.NFC chip is arranged at the centre position of handle, and NFC reader is arranged above main frame, when handle on-hook, NFC reader
Relative with NFC chip position, now NFC reader can read the pre-stored data in NFC chip, and the content of reading is exported
To host-processor.Microphone, voice collecting circuit, buffer circuit are arranged on the inside of handle, wherein,
User voice or impact noise are converted into electric signal transmission to voice collecting circuit by microphone, by voice collecting
Buffer circuit is transmitted further to after the processing of circuit, certain time is stored by buffer circuit, cache-time can be set.
Host-processor receives the content of the NFC chip of handle gathered from NFC reader, represents now that handle has been
Through close main frame, and reach setting value.In one embodiment of the invention, the distance between NFC reader and NFC chip are arranged to 10
Centimetre, now with preferable using effect.Host-processor controls buffer circuit, deletes cached speech data, and stop
Speech data only is sent to other side, impact noise is sent in meeting during so as to prevent on-hook.
When NFC reader detects that NFC chip is left, i.e., when the distance of NFC chip and NFC reader is more than setting value,
Buffer circuit is then restarted, the speech data gathered to voice collecting circuit caches, and sends to the other user, from
And eliminate impact noise when handle picks.
In some important occasions, dispatch terminal can be relatively more.Now, if dispatcher is using dispatch terminal, its
His dispatcher also uses another dispatch terminal, and when two dispatch terminals are from obtaining closer, NFC chip is possible to another
Individual dispatch terminal forms interference.To eliminate the interference to other dispatch terminals, the present invention carries out uniqueness identification to NFC chip,
The pre-stored data in NFC chip, when the data that NFC reader is read are consistent with the data preserved, then it is assumed that be this scheduling
The handle of terminal is close.For other NFC chips, then without processing.
Dispatch terminal is when in use, it may occur that unexpected interference or failure, so as to influence normal talking.Further to improve
User embodies, and the present invention is provided with indicator lamp on dispatch terminal, or is shown accordingly in the user interface of dispatch terminal
Prompt message, user is set to understand immediately.
Present invention also offers a kind of denoising method based on NFC device, as shown in Fig. 2 comprising the following steps：
NFC reader receives the pre-stored data in the NFC chip being arranged on handle；
Pre-stored data is handled, the pre-stored data is used for determining whether the handle for this dispatch terminal；
If handle belongs to this dispatch terminal, buffered speech data is deleted, stops sending speech data；If do not belong to
In then without processing；
If NFC chip and the distance of NFC reader are more than setting value, collection voice data concurrency is sent, and recovers positive normal open
Words.
The step of NFC reader receives the pre-stored data in the NFC chip being arranged on handle is introduced first.
After the completion of user's communication, the handle of dispatch terminal is placed, wherein NFC chip is from the NFC Card Readers in main frame
Device can be more and more nearer.When both distances reach or during less than setting value, NFC reader can read prestoring in NFC chip
Data, illustrate handle close to main frame.
Secondly, the step of introduction handles pre-stored data, and the pre-stored data is used for determining whether the handle for this dispatch terminal.
To prevent the NFC chip of different dispatch terminals from interacting, each not phase of present invention pre-stored data in NFC chip
Together, that is, it is provided with NFC chip unique identifier.After NFC reader reads pre-stored data, enter with the pre-stored data of main frame storage
Row contrast, the NFC chip of this dispatch terminal is determined whether, if after comparison passes through, then it is assumed that be that the NFC chip belongs to this tune
Terminal is spent, i.e. handle belongs to this dispatch terminal；If not by without processing, the original work of now dispatch terminal holding
Make state, if interference, then show indicator lamp, prompt user.
After host-processor obtains comparative result, when it is determined that handle is close to main frame, then host-processor is by the language of caching
Sound data are deleted, and stop sending speech data to other side, so that impact noise during user's on-hook can not be sent to other side.
It can so ensure, also in the user's normal use conversed, Consumer's Experience will not be reduced.
When NFC reader reads the pre-stored data less than NFC chip, i.e. the distance of NFC chip and NFC reader is more than setting
Value, now confirm that handle leaves, then restarts buffer circuit, cache the speech data that voice collecting circuit is gathered, concurrently
Deliver to the other user.
In handle close to main frame, the distance of the invention by determining handle and main frame, a period of time is predicted in advance, and deletes
Cache speech data so that impact noise can not be sent to other side.When mobile phone leaves main frame, the present invention is also by measure handle
With the distance of main frame, delay a period of time starts voice collecting circuit and buffer circuit, is transmitted speech data.By above-mentioned
Process, the present invention can prevent impact noise from, to the interference in meeting, greatly improving Consumer's Experience.
The dispatch terminal provided by the present invention based on NFC device and denoising method have been carried out specifically above
It is bright.For those of ordinary skill in the art, it is done on the premise of without departing substantially from true spirit any aobvious
And the change being clear to, it will all form to infringement of patent right of the present invention, corresponding legal liabilities will be undertaken.
Claims (8)
1. a kind of dispatch terminal based on NFC device, including voice collecting circuit, buffer circuit, handle and microphone；Wherein, language
Sound Acquisition Circuit, buffer circuit and microphone are arranged on the inside of handle, and user voice or impact noise are converted into electricity by microphone
Signal is transmitted to voice collecting circuit, and buffer circuit is transmitted further to after the processing of voice collecting circuit, it is characterised in that also
Including for measuring the NFC device of distance between handle and main frame；
The NFC device includes NFC reader and NFC chip, and the NFC chip is arranged at the centre position of handle, the NFC
Card reader is arranged above main frame；
The host-processor is received between handle and main frame from NFC device measurement after distance, is carried out with setting value
Compare, and the voice collecting circuit and buffer circuit are controlled according to result；Wherein, when the NFC reader and institute
When stating distance between NFC chip and being less than setting value, buffer circuit deletes cached speech data, and stops sending voice number
According to；When distance is more than setting value between the NFC reader and the NFC chip, buffer circuit restarting, voice is cached
The speech data that Acquisition Circuit is gathered is transmitted.
2. dispatch terminal as claimed in claim 1, it is characterised in that
The NFC chip corresponds with the handle.
3. dispatch terminal as claimed in claim 1 or 2, it is characterised in that
When the handle on-hook, the NFC reader is relative with the NFC chip position, and now the NFC reader is read
Pre-stored data in the NFC chip.
4. dispatch terminal as claimed in claim 1, it is characterised in that
The dispatch terminal also includes indicator lamp.
5. dispatch terminal as claimed in claim 1, it is characterised in that
The dispatch terminal also includes display screen, for prompting user to have accident or failure.
6. a kind of denoising method based on NFC device, realized based on the dispatch terminal described in any one in Claims 1 to 5,
It is characterized in that comprise the following steps：
NFC reader receives the pre-stored data in the NFC chip being arranged on handle；
Pre-stored data is handled, the pre-stored data is used for determining whether the handle for this dispatch terminal；
If NFC chip and the distance of NFC reader are less than setting value, handle belongs to this dispatch terminal, deletes buffered
Speech data, stop sending speech data；If being not belonging to, without processing, dispatch terminal keeps current operating state；
If NFC chip and the distance of NFC reader are more than setting value, buffer circuit collection voice data concurrency is sent, and recovers logical
Words.
7. denoising method as claimed in claim 6, it is characterised in that the impact noise removing method also includes collection voice
The step of data, including：
Microphone receives the voice of user, will convert into electric signal；
Voice collecting circuit is transmitted to buffer circuit after being handled from the electric signal；
Buffer circuit store voice data.
8. denoising method as claimed in claim 6, it is characterised in that the impact noise removing method also includes validating that handle
The step of, including：
By the pre-stored data of the NFC chip collected compared with the pre-stored data in NFC reader；
If two data are identical, handle and host matching are confirmed；If it is not the same, then handle mismatches with main frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510120995.XA CN104796514B (en) | 2015-03-18 | 2015-03-18 | A kind of dispatch terminal and its denoising method based on NFC device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510120995.XA CN104796514B (en) | 2015-03-18 | 2015-03-18 | A kind of dispatch terminal and its denoising method based on NFC device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104796514A CN104796514A (en) | 2015-07-22 |
| CN104796514B true CN104796514B (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510120995.XA Expired - Fee Related CN104796514B (en) | 2015-03-18 | 2015-03-18 | A kind of dispatch terminal and its denoising method based on NFC device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108932062B (en) * | 2017-05-28 | 2021-09-21 | 姚震 | Electronic device, input device control method |
| CN111491056A (en) * | 2019-01-25 | 2020-08-04 | 深圳前海维晟智能技术有限公司 | Telephone device and method for eliminating telephone on-hook sound |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6466198B1 (en) * | 1999-11-05 | 2002-10-15 | Innoventions, Inc. | View navigation and magnification of a hand-held device with a display |
| CN102780815A (en) * | 2012-06-29 | 2012-11-14 | 宇龙计算机通信科技(深圳)有限公司 | Method for hanging up call automatically and communication terminal |
| CN203457380U (en) * | 2013-09-12 | 2014-02-26 | 杭州上杭通讯设备有限公司 | New dispatching terminal |
| CN103687060B (en) * | 2013-11-26 | 2019-05-07 | 小米科技有限责任公司 | Terminal communicating method, device and terminal |
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| CN104796514A (en) | 2015-07-22 |
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Granted publication date: 20171215 Termination date: 20210318 |