CN102739863A - Emergency call method and device - Google Patents
Emergency call method and device Download PDFInfo
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- CN102739863A CN102739863A CN2012101964541A CN201210196454A CN102739863A CN 102739863 A CN102739863 A CN 102739863A CN 2012101964541 A CN2012101964541 A CN 2012101964541A CN 201210196454 A CN201210196454 A CN 201210196454A CN 102739863 A CN102739863 A CN 102739863A
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Abstract
The invention discloses an emergency call method and an emergency call device. The method comprises the following steps of: comparing an acquired voice signal and a preset voice sample; determining that matching degree between the voice signal and the voice sample exceeds a preset threshold value; and starting a rescue mode corresponding to the voice sample. By the emergency call method and the emergency call device, under an emergency condition, the corresponding rescue mode is started to request rescue by comparing the acquired voice signal and the preset voice sample and under the condition that the matching degree between the acquired voice signal and the preset voice sample exceeds the preset threshold value, the phenomena of inconvenient key triggering of a one-key call device and an unvaried request rescue way are prevented, when in a dangerous condition, a user can correctly transmit situation information, and transmission operation is secret, rapid and convenient.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of distress call method and device.
Background technology
Current, global aging population, disease, frequent natural calamity take place; Social concern whole world ubiquities such as family is sudden and violent, multiple level marketing, robbery and burglary.When these urgent, special situation occurring, the adoptable usefulness that is simple and easy to, and effective emergency relief mode also lacks very much.
The device and the system of the request of existing one-touch distress call rescue can solve subproblem, but can not satisfy our all kinds of current demands, such as these devices or system not in the scope that we can touch; Perhaps in the scope that we can touch, but since cause specific we do not have capacity and go to carry out it; Perhaps the destination of these system request rescue arrival possibly not be that we need again.For example: when meeting with robbery or meeting with burglary, all under the other side's supervision, any slight action all possibly cause the other side's suspection to our every act and every move, and at this moment situation can be very passive.The predicament that how we is faced is clearly noted or is passed, and changes from passive to active, and this just needs the method for other more effective request rescue.
Summary of the invention
The invention provides a kind of distress call method and device, to solve at least in the correlation technique, one-touch distress call device needs button just can call for help, awkward problem.
According to an aspect of the present invention, a kind of distress call method is provided, has comprised: voice signal of gathering and the speech samples that presets have been compared; The matching degree of confirming voice signal and speech samples surpasses pre-set threshold; Start the rescue pattern corresponding with speech samples.
Preferably, the voice signal of gathering compared with the speech samples that presets to be comprised: trigger the collection of voice signal, wherein, it is one of following that trigger condition comprises at least: the voice, the button that reach preset decibel threshold value; Gather voice signal; Through alignment algorithm voice signal and speech samples are compared.
Preferably, above-mentioned alignment algorithm comprises one of following at least: the alignment algorithm of digital sliding window, analogue audio frequency alignment algorithm.
Preferably, gathering voice signal comprises: in predefined acquisition time, gather voice signal.
Preferably, after voice signal of gathering and the speech samples that presets were compared, said method also comprised: the matching degree of confirming voice signal and speech samples does not surpass threshold value; Stop the collection and the comparison of voice signal, get into non-emergent operating state.
Preferably, after starting the rescue pattern corresponding with speech samples, said method also comprises: implementing according to the rescue pattern in the process of rescue, continuing to gather voice signal; Confirm to collect the voice signal that matees with predefined stop tone; Stop this rescue pattern, get into non-emergent operating state.
Preferably, above-mentioned rescue pattern comprises: dial the phone that presets the recipient, send note, voice collecting and storage to presetting the recipient, wherein, dial the phone that presets the recipient and comprise: call mode, listen mode.
According to a further aspect in the invention, a kind of distress call device is provided, has been applied to portable terminal, having comprised: comparing module is used for voice signal of gathering and the speech samples that presets are compared; First determination module is used for confirming that the matching degree of voice signal and speech samples surpasses pre-set threshold; Start module, be used to start the rescue pattern corresponding with speech samples.
Preferably, comparing module comprises: trigger element, be used to trigger the collection of voice signal, and wherein, it is one of following that trigger condition comprises at least: the voice, the button that reach preset decibel threshold value; Collecting unit is used to gather voice signal; Comparing unit is used for through alignment algorithm voice signal and speech samples being compared.
Preferably, said apparatus also comprises: second determination module is used for confirming that the matching degree of voice signal and speech samples does not surpass threshold value; Processing module is used to stop the collection and the comparison of voice signal, gets into non-emergent operating state.
Through the present invention, in emergency circumstances, through voice signal of gathering and the speech samples that presets are compared; Under the two situation about can mate, start corresponding rescue pattern, the request rescue; Avoided the single of inconvenience that one-touch call device button triggers and optional rescue mode; Guarantee that the user when precarious position, can transfer out residing situation exactly, and operate hidden, quick and easy.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the distress call method of the embodiment of the invention;
Fig. 2 is the structured flowchart according to the distress call device of the embodiment of the invention;
Fig. 3 is the structured flowchart one of distress call device according to the preferred embodiment of the invention;
Fig. 4 is the structured flowchart two of distress call device according to the preferred embodiment of the invention;
Fig. 5 is the structured flowchart three of distress call device according to the preferred embodiment of the invention;
Fig. 6 is the sketch map of distress call method according to the preferred embodiment of the invention.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the present invention.
In the correlation technique, one-touch distress call device needs button just can call for help, and uses inconvenience.Based on this, the embodiment of the invention provides a kind of distress call method, and Fig. 1 is the flow chart according to the distress call method of the embodiment of the invention, and is as shown in Figure 1, comprises that following step S102 is to step S106.
Step S102 compares voice signal of gathering and the speech samples that presets.
Step S104 confirms that the matching degree of voice signal and speech samples surpasses pre-set threshold.
Step S106 starts the rescue pattern corresponding with speech samples.
In the foregoing description, in emergency circumstances, through voice signal of gathering and the speech samples that presets are compared; Matching degree at the two surpasses under the situation of certain threshold value, starts corresponding rescue pattern, the request rescue; Avoided the single of inconvenience that one-touch call device button triggers and optional rescue mode; Guarantee that the user when precarious position, can transfer out residing situation exactly, and operate hidden, quick and easy.
The collection of voice signal can trigger sound or button triggering through high-decibel, to avoid the being in unnecessary power consumption that the voice collecting state causes for a long time.Above-mentioned steps S104 comprises: trigger the collection of voice signal, wherein, it is one of following that trigger condition comprises at least: the voice, the button that reach preset decibel threshold value; Gather voice signal; Through alignment algorithm voice signal and speech samples are compared.Wherein, above-mentioned alignment algorithm comprises one of following at least: the alignment algorithm of digital sliding window, analogue audio frequency alignment algorithm.Through the collection of Event triggered voice signal, can avoid gathering the energy loss that voice signal brings always.In practical application; When emergency takes place; Through high-decibel speech trigger high-decibel signal deteching circuit (more excellent ground utilizes low-power consumption speech detection circuit, can save energy consumption); Send trigger impulse to start voice collecting and voice comparison process, also can be through button triggering voice collecting (but button triggering do not have speech trigger convenient and swift).
In a preferred embodiment,, then stop the operation of current executed, get into non-emergent operating state, with energy efficient if the matching degree of voice signal of gathering and speech samples does not surpass threshold value.After voice signal of gathering and the speech samples that presets were compared, said method can also comprise the steps: that the matching degree of confirming voice signal and speech samples does not surpass threshold value; Stop the collection and the comparison of voice signal, get into non-emergent operating state.
Preferably, can preestablish acquisition time, in this acquisition time, gather voice signal, can avoid gathering the energy loss that voice signal brings always.
In a preferred implementation of the embodiment of the invention; The operation that stops to carry out the rescue pattern is provided; The stop tone sample can be set in advance, after starting the rescue pattern corresponding, when the voice signal that collects with this stop tone sample matches with speech samples; Stop current rescue pattern, energy efficient.Particularly, implementing according to the rescue pattern in the process of rescue, continuing to gather voice signal; Confirm to collect the voice signal that matees with predefined stop tone; Stop the rescue pattern, get into non-emergent operating state.In this preferred implementation, in the process of implementing rescue, continue to gather voice signal,, then stop to carry out current rescue pattern, and get into non-emergent operating state, with energy efficient in case collect stop tone.
In practical application, need prerecord two types of speech samples, rescue starts sound (a plurality of, corresponding different respectively rescue patterns can be set) and stop tone.Rescue starts sound and is used for and the voice signal comparison of gathering, and determines whether to start the rescue pattern corresponding with it according to the two matching degree; Stop tone is used to stop the rescue pattern of current executed.Need to prove that all rescues start sounds can corresponding same stop tone, also can a rescue start the corresponding stop tone of sound, but consider from actual, generally adopts all rescues to start the mode of the corresponding same stop tone of sounds.After collecting voice signal, at first judge whether and rescue to start the sound coupling, if coupling; Start corresponding rescue pattern, continue to gather voice signal, after startup collects stop tone; Stop current rescue pattern, get into non-emergent state, energy efficient.
Above-mentioned rescue pattern comprises: dial the phone that presets the recipient, send note, voice collecting and storage to presetting the recipient, wherein, dial the phone that presets the recipient and comprise: call mode, listen mode.
From the above, the embodiment of the invention in case of emergency differentiate to trigger the rescue pattern that presets through voice, presets the recipient from trend and sends aid request, operates hiddenly, quick and easy, and the scope of application is wide.Need to prove that the language independent that has with use differentiated in voice, irrelevant with the dialect intonation, advantage of wide range of application; In addition, also have and be difficult for to lose, be difficult for makeing mistakes, need do not remember and characteristics easy to use.These characteristics are that solid foundation has been established in extensive use of the present invention.
The embodiment of the invention also provides a kind of distress call device, is applied to portable terminal, and this distress call device can be used to realize above-mentioned distress call method.Fig. 2 is the structured flowchart according to the distress call device of the embodiment of the invention, and is as shown in Figure 2, and this device comprises comparing module 21, first determination module 22 and starts module 23.Be described in detail in the face of its structure down.
Comparing module 21 is used for voice signal of gathering and the speech samples that presets are compared; First determination module 22 is connected to comparing module 21, is used for confirming that the voice signal of comparing module 21 comparisons and the matching degree of speech samples surpass pre-set threshold; Start module 23, be connected to first determination module 22, be used to start the rescue pattern corresponding with speech samples.
As shown in Figure 3, comparing module 21 comprises: trigger element 212, be used to trigger the collection of voice signal, and wherein, it is one of following that trigger condition comprises at least: the voice, the button that reach preset decibel threshold value; Collecting unit 214 is connected to trigger element 212, is used for after trigger element 212 triggers the collection of voice signal, gathering voice signal; Comparing unit 216 is connected to collecting unit 214, is used for comparing through voice signal and speech samples that alignment algorithm is gathered collecting unit 214.Preferably, alignment algorithm comprises one of following at least: the alignment algorithm of digital sliding window, analogue audio frequency alignment algorithm.
As shown in Figure 4, said apparatus also comprises: second determination module 24, be connected to comparing module 21, and be used for confirming that the matching degree of voice signal and speech samples does not surpass threshold value; First processing module 25 is connected to second determination module 24, is used to stop the collection and the comparison of voice signal, gets into non-emergent operating state.
As shown in Figure 5, the stop tone sample can be set in advance, when the voice signal that collects with this stop tone sample matches, stop current rescue pattern, energy efficient.Collecting unit 214 in the said apparatus also is used for continuing to gather voice signal in the process of implementing rescue according to the rescue pattern that starts module 23 startups; Said apparatus also comprises: the 3rd determination module 26, be connected to startup module 23, and be used to confirm to collect the voice signal that matees with predefined stop tone; Second processing module 27 is connected to the 3rd determination module 26, is used to stop the rescue pattern, gets into non-emergent operating state.
Preferably, can in predefined acquisition time, gather voice signal.
Preferably, above-mentioned rescue pattern comprises: dial the phone that presets the recipient, send note, voice collecting and storage to presetting the recipient, wherein, dial the phone that presets the recipient and comprise: call mode, listen mode.
Need to prove that the emergency relief device of describing among the device embodiment is corresponding to above-mentioned method embodiment, its concrete implementation procedure had been carried out detailed description in method embodiment, repeat no more at this.
In fact, the enforcement of above-mentioned distress call device comprises two stage: A, presets speech samples storehouse and rescue scheme; B, in case of emergency start distress call device, differentiate the result through voice and implement to preset request rescue scheme through speech trigger.Be elaborated in the face of this down.
A, preset speech samples storehouse and rescue scheme, a preferred implementation is following:
(1) logs on emergency relief through password and preset the interface.
(2) through adding the newly-built default urgency clauses and subclauses of mode (also can adopt the mode that guide is set to guide the user to be provided with and preset sample) of rescue sample.
(3) open newly-built urgent clauses and subclauses, can see that speech samples and parameter are provided with option.
(4) speech samples is divided into rescue startup sound and finishes sound (being above-mentioned stop tone) two types, behind the selected speech samples, gets into the voice collecting interface and carries out the recording of the sound bite in sample storehouse.
(5) parameter is provided with option and includes but not limited to following several contents: the threshold value setting of low-power consumption speech detection circuit triggers volume (reach this threshold value, can through the collection of speech trigger voice signal), voice collecting duration threshold value are provided with, the setting of matching degree threshold value, recipient's number and pattern prefabricated (comprising call mode and listen mode) etc. differentiated in voice.
B, emergency relief request process, a preferred implementation is following:
When (1) emergency takes place,, send trigger impulse, also can trigger voice collecting through button to start voice collecting and voice comparison process through high-decibel speech trigger low-power consumption speech detection circuit.Gather voice signal by Event triggered, can avoid because of voice acquisition module (having realized the function of above-mentioned collecting unit 214) in running order for a long time, and the unnecessary energy loss that causes.
(2) gather voice signal at the voice collecting that presets in the time, and send voice signal to voice comparing module (having realized the function of above-mentioned comparing unit 216).
(3) the voice comparing module adopts the modes such as alignment algorithm or analogue audio frequency alignment algorithm of digital sliding window, and the voice that collect and the voice of the sample storehouse stored that presets are compared.
(4) do not find and preset the voice of the matching degree of sample in the time at the voice collecting that presets, stop voice collecting and comparison, get into non-emergent operating state, with energy efficient above the threshold value thresholding that presets.
(5) find and preset the voice that the sample matches degree surpasses the threshold value thresholding that presets in the time at the voice collecting that presets, trigger the startup rescue mode that preset corresponding with these voice.
(6) in request rescue implementation process, voice acquisition module continues to gather stop tone, after collecting stop tone, stops the current request rescue mode, gets into non-emergent operating state, with energy efficient.
As shown in Figure 6; (for example: the high-decibel input) perhaps operation (for example: the collection of triggering voice signal button) through the audio frequency input; Then with the voice signal buffer memory of gathering, and extracting parameter, with the differentiation of comparing of the speech samples in the sample storehouse; If the matching degree of the two surpasses predetermined threshold value, then start the rescue pattern corresponding with these voice.
To combine preferred embodiment to be described in detail below, in following preferred embodiment, describe four kinds of application scenarioss respectively.
Preferred embodiment one
(1) preset speech samples, the mode of the request rescue corresponding with this speech samples is for dialing mobile terminal number, and it is call mode that mode of operation is set;
(2) in the emergency relief request process, phonetic entry has reached the threshold value of voice comparisons, and portable terminal will be dialed the mobile terminal number that presets automatically, and opens the outer playing function of sound;
(3) mobile subscriber of request rescue can directly converse with the rescue recipient, and present case is provided, the request rescue.
Preferred embodiment two
(1) preset speech samples, the mode of the request rescue corresponding with this speech samples is for dialing mobile terminal number, and it is listen mode that mode of operation is set;
(2) in the emergency relief request process, phonetic entry has reached the threshold value of voice comparisons, and portable terminal will be dialed the mobile terminal number that presets automatically, and remind the other side's current mobile terminal user to be in particular cases, and conversation is in listen mode;
(3) mobile subscriber of request rescue can pass to the rescue recipient through language with the current situation that faces, and promptly the portable terminal recipient can monitor field condition, adopts an effective measure and rescues.
Preferred embodiment three
(1) preset speech samples, the mode of the request rescue corresponding with this speech samples is given mobile terminal number for sending note;
(2) in the emergency relief request process; Phonetic entry has reached the threshold value of voice comparisons; Portable terminal will send note automatically and give the mobile terminal number that presets; Remind the other side's current mobile terminal user to be in particular cases, current global positioning system (Global Position System abbreviates GPS as) positional information or other information that presets are provided;
(3) the portable terminal recipient provides effective measures to rescue according to short message prompt.
Preferred embodiment four
(1) preset speech samples, the mode of the request rescue corresponding with this speech samples is voice collecting and storage;
(2) in the emergency relief request process, phonetic entry has reached the threshold value of voice comparisons, and portable terminal will begin current environment is carried out voice collecting and storage automatically;
(3) the voice collecting result can be used as and reminds or third party's proof afterwards.
Need to prove; Can in computer system, carry out in the step shown in the flow chart of accompanying drawing such as a set of computer-executable instructions; And; Though logical order has been shown in flow chart, in some cases, can have carried out step shown or that describe with the order that is different from here.
In sum, according to the abovementioned embodiments of the present invention, a kind of distress call method and device are provided.Use the most common voice mode, promptly or in particular cases, the predicament that will face is noted or sent out, striving for favourable on-the-spot record or effective above water approach, and operate hiddenly, quick and easy, the scope of application is extensive.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize by calculation element.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. distress call method is characterized in that comprising:
Voice signal of gathering and the speech samples that presets are compared;
The matching degree of confirming said voice signal and said speech samples surpasses pre-set threshold;
Start the rescue pattern corresponding with said speech samples.
2. method according to claim 1 is characterized in that, the voice signal of gathering is compared with the speech samples that presets to be comprised:
Trigger the collection of voice signal, wherein, it is one of following that trigger condition comprises at least: the voice, the button that reach preset decibel threshold value;
Gather said voice signal;
Through alignment algorithm said voice signal and said speech samples are compared.
3. method according to claim 2 is characterized in that, it is one of following that said alignment algorithm comprises at least: the alignment algorithm of digital sliding window, analogue audio frequency alignment algorithm.
4. method according to claim 2 is characterized in that, gathers said voice signal and comprises:
In predefined acquisition time, gather said voice signal.
5. method according to claim 1 is characterized in that, after voice signal of gathering and the speech samples that presets were compared, said method also comprised:
The matching degree of confirming said voice signal and said speech samples does not surpass said threshold value;
Stop the collection and the comparison of said voice signal, get into non-emergent operating state.
6. method according to claim 2 is characterized in that, after starting the rescue pattern corresponding with said speech samples, said method also comprises:
Implementing according to said rescue pattern in the process of rescue, continuing to gather voice signal;
Confirm to collect the voice signal that matees with predefined stop tone;
Stop said rescue pattern, get into non-emergent operating state.
7. according to each described method in the claim 1 to 6; It is characterized in that; Said rescue pattern comprises: dial the phone that presets the recipient, send note, voice collecting and storage to the said recipient of presetting; Wherein, the phone of dialing the said recipient of presetting comprises: call mode, listen mode.
8. a distress call device is applied to portable terminal, it is characterized in that comprising:
Comparing module is used for voice signal of gathering and the speech samples that presets are compared;
First determination module is used for confirming that the matching degree of said voice signal and said speech samples surpasses pre-set threshold;
Start module, be used to start the rescue pattern corresponding with said speech samples.
9. device according to claim 8 is characterized in that, said comparing module comprises:
Trigger element is used to trigger the collection of said voice signal, and wherein, it is one of following that trigger condition comprises at least: the voice, the button that reach preset decibel threshold value;
Collecting unit is used to gather said voice signal;
Comparing unit is used for through alignment algorithm said voice signal and said speech samples being compared.
10. device according to claim 8 is characterized in that, said device also comprises:
Second determination module is used for confirming that the matching degree of said voice signal and said speech samples does not surpass said threshold value;
Processing module is used to stop the collection and the comparison of said voice signal, gets into non-emergent operating state.
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