CN104056357A - Defibrillator, and voice volume automatic adjusting method and apparatus thereof - Google Patents
Defibrillator, and voice volume automatic adjusting method and apparatus thereof Download PDFInfo
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Abstract
The invention provides a defibrillator, and a voice volume automatic adjusting method and apparatus thereof. First of all, surrounding environment noise is acquired, then through a comparison, a preset noise sample closest to environment noise data is acquired, and according to the preset noise sample, voice volume output parameters are adjusted, such that the voice volume is adjusted, the voice volume matches the environment noise most, and mechanical adjustment of the size of the voice volume according to the size of the noise is prevented. The voice volume automatic adjusting method and apparatus can accurately and automatically adjust the voice volume of the defibrillator.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to defibrillator and speech volume Automatic adjustment method and device.
Background technology
We know that the common cause of sudden cardiac death is ventricular fibrillation, do cardiac compression or other measures and all can only extend the persistent period of quivering in chamber, and be temporarily important organ blood supply oxygen supply, recover the effectively rhythm of the heart of perfusion and cannot the chamber of termination quiver.So quiver in Quick stop chamber at the scene, be only and save life the most basic method, Here it is defibrillation.
Defibrillator (Automatic External Defibrillator, AED), is a kind of portable, easy operating, and training can skillfully be used a little, aims at the first-aid apparatus of field first aid design.
Defibrillator is generally applied to public place or outdoor environment, these use scenes more complicated, size of ambient noise differs, and the use of AED equipment depends on voice guidance very much, the voice guidance volume of general commercially available AED equipment is all fixed-level at present, or need user's manual adjustments speech volume, or some can adjust speech volume automatically, but cannot accurately regulate.Cause when user is in the larger scene of some noise, the such as public place of airport, noise and excitement etc., cannot catch the voice instruction of AED, these situations have a strong impact on user and use AED equipment, even incur loss through delay defibrillation therapy and cause serious consequence, when user compares quiet scene at some, such as hospital, school etc., owing to cannot precisely regulating, may cause huge noise, impact environment around.
Summary of the invention
Based on this, being necessary, for the precisely correct problem that regulates defibrillator speech volume guides user to use defibrillator of general speech volume control method, provides a kind of defibrillator and speech volume Automatic adjustment method and device that can accurately regulate defibrillator speech volume.
A kind of speech volume Automatic adjustment method, comprises the steps:
Gather environmental noise around, obtain environmental noise data;
Described environmental noise data and default noisy samples are compared, obtain and the immediate default noisy samples of described environmental noise data;
Also select the speech volume output parameter corresponding with described immediate default noisy samples according to the default noisy samples of described immediate default noisy samples reading pre-stored with the corresponding relation of speech volume output parameter, to regulate speech volume.
Therein in an embodiment, described, described environmental noise data and default noisy samples are compared, obtain also comprising the step of calibrating described environmental noise data before with the step of the immediate default noisy samples of described environmental noise data, specifically comprise:
Gather the noise signal in the time of zero noise source environment, obtain drift noise data;
According to described drift noise data to environmental noise data calibration.
Therein in an embodiment, described collection environmental noise around, the step that obtains environmental noise data specifically comprises the steps:
After closing self voice or while not sending voice, gather ambient noise;
By A/D converter, the described environmental noise collecting is converted into the environmental noise data of digital signal form.
In an embodiment, the corresponding relation of described default noisy samples and described speech volume output parameter obtains by following steps therein:
Gather environmental noise;
Regulate speech volume output parameter;
Be recorded under described environmental noise and can know the speech volume output parameter of hearing voice;
Set up the corresponding relation of described default noisy samples and described speech volume output parameter using described environmental noise as described default noisy samples.
Therein in an embodiment, described collection environmental noise around, the step that obtains environmental noise data is the environmental noise of pickup area time period.
A kind of speech volume self-checking device, comprising:
Environmental noise acquisition module, for gathering environmental noise around, obtains environmental noise data;
Default noisy samples is chosen module, for described environmental noise data and default noisy samples are compared, obtains and the immediate default noisy samples of described environmental noise data;
Speech volume adjustment module, for also selecting the speech volume output parameter corresponding with described immediate default noisy samples according to the default noisy samples of described immediate default noisy samples reading pre-stored with the corresponding relation of speech volume output parameter, to regulate speech volume.
In an embodiment, also comprise the calibration module for calibrating described environmental noise data therein, described calibration module specifically comprises:
Drift noise acquiring unit, for gathering the noise signal when the zero noise source environment, obtains drift noise data;
Noise data alignment unit, for according to described drift noise data to environmental noise data calibration.
In an embodiment, described environmental noise acquisition module comprises therein:
Environmental noise collecting unit, for gathering ambient noise after closing self voice or while not sending voice;
Environmental noise converting unit, for being converted into the described environmental noise collecting by A/D converter the environmental noise data of digital signal form.
In an embodiment, also comprise default noisy samples acquisition module therein, described default noisy samples acquisition module is used for obtaining described default noisy samples, and described default noisy samples acquisition module specifically comprises:
Sample Noise Acquisition unit, for gathering environmental noise;
Volume parameters adjustment unit, for regulating speech volume output parameter;
Data record unit, can know for being recorded under described environmental noise the speech volume output parameter of hearing voice;
Sample Establishing unit, for setting up the corresponding relation of described default noisy samples and described speech volume output parameter using described environmental noise as described default noisy samples.
In an embodiment, described environmental noise acquisition module is the environmental noise of pickup area time period therein.
A kind of automated external defibrillator, adopts above-mentioned speech volume Automatic adjustment method or comprises above-mentioned speech volume self-checking device.
Above-mentioned defibrillator and speech volume Automatic adjustment method and device, choose and the immediate default noisy samples of the environmental noise data that collect by contrast, regulate defibrillator speech volume output parameter according to this default noisy samples, thereby regulate defibrillator speech volume, can make defibrillator speech volume mate most with environmental noise, avoid the mechanical size that regulates defibrillator speech volume according to noise level, so above-mentioned defibrillator speech volume Automatic adjustment method and device can regulate defibrillator speech volume accurately, automatically.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of one of them embodiment of speech volume Automatic adjustment method;
Fig. 2 is the schematic flow sheet of one of them embodiment of speech volume Automatic adjustment method;
Fig. 3 is the schematic flow sheet of one of them embodiment of speech volume Automatic adjustment method;
Fig. 4 is the structural representation of one of them embodiment of speech volume self-checking device;
Fig. 5 is the structural representation of one of them embodiment of speech volume self-checking device;
Fig. 6 is the structural representation of one of them embodiment of speech volume self-checking device.
Detailed description of the invention
In following embodiment, be elaborated as an example of automated external defibrillator (hereinafter to be referred as defibrillator) example, easily understand, except defibrillator, below speech volume Automatic adjustment method and device can also be applied in the electronic equipment such as mobile phone, notebook computer.
As shown in Figure 1, a kind of speech volume Automatic adjustment method, comprises the steps:
S100: gather environmental noise around, obtain environmental noise data.
Gather defibrillator environmental noise around and can adopt plurality of devices, for example environmental noise harvester, noise apparatus or the mike etc. of specialty.The environmental noise harvester of specialty can gather defibrillator noise around by high precision and high sensitivity, and can automatically acoustical signal be converted into digital signal, but its equipment is sent out assorted, and cost is large, is unfavorable for applying.Noise apparatus can gather and display environment noise, but it exists cost larger equally, be unfavorable for the defect of applying, the equipment that adopts in the present embodiment mike with low cost to gather as environmental noise, to collect sound signal processing and by common A/D converter, acoustical signal is converted into digital signal afterwards, to further process below.
S300: described environmental noise data and default noisy samples are compared, obtain and the immediate default noisy samples of described environmental noise data.
Default noisy samples is under varying environment noise, to gather the noisy samples obtaining, default noisy samples can be by repeatedly carrying out noise test sampling in varying environment to defibrillator, test out the suitable audio output signal volume value that various environmental noises are corresponding, afterwards default noisy samples is cured in the system of defibrillator default as default noisy samples.Collect after defibrillator environmental noise around by step S100, environmental noise data and default noisy samples are contrasted, carry out the similarity analysis of data, obtain and the immediate default noisy samples of described environmental noise data.
S400: also select the speech volume output parameter corresponding with described immediate default noisy samples according to the default noisy samples of described immediate default noisy samples reading pre-stored with the corresponding relation of speech volume output parameter, to regulate speech volume.
Defibrillator stores the corresponding relation of described default noisy samples and speech volume output parameter, speech volume output parameter is used for controlling defibrillator speech volume, the speech volume output parameter corresponding with default noisy samples can be adjusted to defibrillator speech volume with the noisy environment of this default noisy samples and mate, thereby regulate defibrillator speech volume according to this speech volume output parameter, make defibrillator speech volume meet the value that current noisy environment servant can catch, ensure that user can know correctly.
Above-mentioned speech volume Automatic adjustment method, choose and the immediate default noisy samples of the environmental noise data that collect by contrast, regulate defibrillator speech volume output parameter according to this default noisy samples, thereby regulate defibrillator speech volume, can make defibrillator speech volume mate most with environmental noise, avoid the mechanical size that regulates defibrillator speech volume according to noise level, so above-mentioned defibrillator speech volume Automatic adjustment method can regulate defibrillator speech volume accurately, automatically.
As shown in Figure 2,3, in an embodiment, above-mentioned speech volume Automatic adjustment method also comprised step S200: the step of calibrating described environmental noise data before step S300 therein.Step S200 is preferably arranged between step S100 and step S300.
Described step S200 specifically comprises:
S220: gather the noise signal in the time of zero noise source environment, obtain drift noise data.
Zero noise source environment generally refers to squelch, should there is no noise signal output in theory at quiet environment, but some impacts of electronic circuit itself can produce noise signals, can obtain the drift noise data of defibrillator according to this noise signal.
S240: according to described drift noise data to environmental noise data calibration.
In described defibrillator environmental noise data, remove described drift noise data and can obtain the defibrillator environmental noise data after calibration.
As shown in Figure 3, in an embodiment, step S100 specifically comprises step therein:
S120: gather ambient noise after closing self voice or while not sending voice.
Because defibrillator self can send voice, will, by the voice of gatherer process defibrillator as environmental noise processing, bring great error if do not close defibrillator self voice before carrying out environmental noise collection.Can judge by the microcontroller of defibrillator whether defibrillator has broadcasting voice operating, in the time that needs carry out noise gathering, microprocessor controls defibrillator cuts out self speech play.Certainly, also can select defibrillator not send voice time, gather described defibrillator ambient noise, can reach same effect.Gather described defibrillator ambient noise and can gather defibrillator ambient noise by mike.
S140: the environmental noise data that by A/D converter, the described environmental noise collecting are converted into digital signal form.
By A/D converter, environmental noise is converted into the noise data that is beneficial to the digital signal form of transmission process in digital circuit here.
In an embodiment, the corresponding relation of described default noisy samples and described speech volume output parameter obtains by the following method therein:
Gather environmental noise.Here the collection environmental noise of saying refers to the environmental noise gathering under multiple varying environment, for example we can be put into defibrillator airport, station, hotel, library etc. varying environment down-sampling environmental noise data, process the default noisy samples obtaining in various environment.
Regulate speech volume output parameter.Regulate the speech volume output parameter (for example user sends the instruction of adjusting volume by the form of knob, button) of defibrillator according to user's instruction, thereby change the speech volume of defibrillator.
Be recorded under described environmental noise and can know the speech volume output parameter of hearing voice.Here, determine under current environment noise and can know and hear that the process of described defibrillator voice is to feel judgement by user to draw, be that user is by defibrillator, definite instruction represents to know the voice message of hearing defibrillator, defibrillator records speech volume output parameter now, thereby can set up the corresponding relation of default noisy samples and speech volume output parameter.We also can adopt the machine of imitative human engineering to draw according to general normal person's auditory perception judgement the speech volume that can catch defibrillator under current environment noise simultaneously, record now defibrillator speech volume output parameter.
Finally set up the corresponding relation of described default noisy samples and described speech volume output parameter using described environmental noise as described default noisy samples.
Therein in an embodiment, described collection environmental noise around, the step S100 that obtains environmental noise data is the environmental noise of pickup area time period.
There is the value of fluctuating of certain scope in the environmental noise value in same public arena, in this environment of sampling merely, the environmental noise data of certain time point cannot precisely draw the default noisy samples the most close with this environment.So the environmental noise in the pickup area time period in the present embodiment, can effectively promote the accuracy of defibrillator speech volume Automatic adjustment method of the present invention.This said zone time section refers to a period of time, be different from a time, for example 8 of times and 8 mistakes 5 minutes are common time, and zone time section refers to the time in 5 minutes this section of regions of 8 o'clock to 8 o'clock mistakes, in the present embodiment, this zone time section can be 3 seconds or 5 seconds etc.
As shown in Figure 4, a kind of speech volume self-checking device, comprising:
Environmental noise acquisition module 100, for gathering environmental noise around, obtains environmental noise data;
Environmental noise acquisition module 100 can adopt plurality of devices to gather defibrillator environmental noise around, for example environmental noise harvester, noise apparatus or the mike etc. of specialty.The environmental noise harvester of specialty can gather defibrillator noise around by high precision and high sensitivity, and can automatically acoustical signal be converted into digital signal, but its equipment is sent out assorted, and cost is large, is unfavorable for applying.Noise apparatus can gather and display environment noise, but it exists cost larger equally, be unfavorable for the defect of applying, adopt in the present embodiment mike with low cost as environmental noise acquisition module, to collect sound signal processing and by common A/D converter, acoustical signal is converted into digital signal afterwards, to further process below.
Default noisy samples is chosen module 300, for described environmental noise data and default noisy samples are compared, obtains and the immediate default noisy samples of described environmental noise data;
Default noisy samples is under varying environment noise, to gather the noisy samples obtaining, default noisy samples can be by repeatedly carrying out noise test sampling in varying environment to defibrillator, test out the suitable audio output signal volume value that various environmental noises are corresponding, afterwards default noisy samples is cured in the system of defibrillator default as default noisy samples.Collect after defibrillator environmental noise around by environmental noise acquisition module 100, default noisy samples is chosen module 300 environmental noise data and default noisy samples is contrasted, carry out the similarity analysis of data, obtain and the immediate default noisy samples of described environmental noise data.
Speech volume adjustment module 400, for also selecting the speech volume output parameter corresponding with described immediate default noisy samples according to the default noisy samples of described immediate default noisy samples reading pre-stored with the corresponding relation of speech volume output parameter, to regulate speech volume.
Defibrillator stores the corresponding relation of described default noisy samples and speech volume output parameter, speech volume output parameter is used for controlling defibrillator speech volume, the speech volume output parameter corresponding with default noisy samples can be adjusted to defibrillator speech volume with the noisy environment of this default noisy samples and mate, speech volume adjustment module 400 regulates defibrillator speech volume according to this speech volume output parameter, make defibrillator speech volume meet the value that current noisy environment servant can catch, ensure that user can know correctly.
Above-mentioned speech volume self-checking device, choose and the immediate default noisy samples of the environmental noise data that collect by contrast, regulate defibrillator speech volume output parameter according to this default noisy samples, thereby regulate defibrillator speech volume, can make defibrillator speech volume mate most with environmental noise, avoid the mechanical size that regulates defibrillator speech volume according to noise level, so above-mentioned speech volume self-checking device can regulate defibrillator speech volume correctly, automatically.
As shown in Figure 5,6, in an embodiment, described speech volume self-checking device also comprises the calibration module 200 for calibrating described environmental noise data therein, and described calibration module 200 specifically comprises:
Drift noise acquiring unit 220, for gathering the noise signal when the zero noise source environment, obtains drift noise data;
Zero noise source environment generally refers to squelch, should there is no noise signal output in theory at quiet environment, but some impacts of electronic circuit itself can produce noise signals, can obtain the drift noise data of defibrillator according to this noise signal.
Noise data alignment unit 240, for according to described drift noise data to environmental noise data calibration.
In described defibrillator environmental noise data, remove described drift noise data and can obtain the defibrillator environmental noise data after calibration.
As shown in Figure 6, in an embodiment, described environmental noise acquisition module 100 comprises therein:
Environmental noise collecting unit 120, for gathering ambient noise after closing self voice or while not sending voice;
Because defibrillator self can send voice, will, by the voice of gatherer process defibrillator as environmental noise processing, bring great error if do not close defibrillator self voice before carrying out environmental noise collection.Environmental noise collecting unit 120 can judge by the microcontroller of defibrillator whether defibrillator has broadcasting voice operating, and in the time that needs carry out noise gathering, environmental noise collecting unit 120 is closed self speech play by microprocessor controls defibrillator.Certainly, also can select defibrillator not send voice time, gather described defibrillator ambient noise, can reach same effect.Environmental noise collecting unit 120 gathers described defibrillator ambient noise can gather defibrillator ambient noise by mike.
Environmental noise converting unit 140, for being converted into the described environmental noise collecting by A/D converter the environmental noise data of digital signal form.
By A/D converter, environmental noise is converted into the noise data that is beneficial to the digital signal form of transmission process in digital circuit here.
In an embodiment, above-mentioned speech volume self-checking device also comprises default noisy samples acquisition module therein, and described default noisy samples acquisition module is used for obtaining described default noisy samples, and described default noisy samples acquisition module specifically comprises:
Sample Noise Acquisition unit, for gathering environmental noise; Here the collection environmental noise of saying refers to the environmental noise gathering under multiple varying environment, for example we can be put into defibrillator airport, station, hotel, library etc. varying environment down-sampling environmental noise data, process the default noisy samples obtaining in various environment.
Volume parameters adjustment unit, for regulating speech volume output parameter; Volume parameters adjustment unit is the speech volume output parameter (for example user sends the instruction of adjusting volume by the form of knob, button) for regulate defibrillator according to user's instruction specifically, thereby changes the speech volume of defibrillator.
Data record unit, can know for being recorded under described environmental noise the speech volume output parameter of hearing voice;
Here, determine under current environment noise and can know and hear that the process of described defibrillator voice is to feel judgement by user to draw, user is by defibrillator, definite instruction represents to know the voice message of hearing defibrillator, data record unit records speech volume output parameter now, thereby can set up the corresponding relation of default noisy samples and speech volume output parameter.The machine that simultaneously we also can adopt imitative human engineering show that according to general normal person's auditory perception judgement the speech volume that can catch defibrillator under current environment noise, data record unit record now defibrillator speech volume output parameter.
Sample Establishing unit, for setting up the corresponding relation of described default noisy samples and described speech volume output parameter using described environmental noise as described default noisy samples.
In an embodiment, described environmental noise acquisition module is the environmental noise of pickup area time period therein.
There is the value of fluctuating of certain scope in the environmental noise value in same public arena, in this environment of sampling merely, the environmental noise data of certain time point cannot precisely draw the default noisy samples the most close with this environment.So the environmental noise in the pickup area time period in the present embodiment, can effectively promote the accuracy of defibrillator speech volume Automatic adjustment method of the present invention.This said zone time section refers to a period of time, be different from a time, for example 8 of times and 8 mistakes 5 minutes are common time, and zone time section refers to the time in 5 minutes this section of regions of 8 o'clock to 8 o'clock mistakes, in the present embodiment, this zone time section can be 3 seconds or 5 seconds etc.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (11)
1. a speech volume Automatic adjustment method, is characterized in that, comprises the steps:
Gather environmental noise around, obtain environmental noise data;
Described environmental noise data and default noisy samples are compared, obtain and the immediate default noisy samples of described environmental noise data;
Also select the speech volume output parameter corresponding with described immediate default noisy samples according to the default noisy samples of described immediate default noisy samples reading pre-stored with the corresponding relation of speech volume output parameter, to regulate speech volume.
2. speech volume Automatic adjustment method according to claim 1, it is characterized in that, described, described environmental noise data and default noisy samples are compared, obtain also comprising the step of calibrating described environmental noise data before with the step of the immediate default noisy samples of described environmental noise data, specifically comprise:
Gather the noise signal in the time of zero noise source environment, obtain drift noise data;
According to described drift noise data to environmental noise data calibration.
3. speech volume Automatic adjustment method according to claim 1 and 2, is characterized in that, described collection environmental noise around, and the step that obtains environmental noise data specifically comprises the steps:
After closing self voice or while not sending voice, gather ambient noise;
By A/D converter, the described environmental noise collecting is converted into the environmental noise data of digital signal form.
4. speech volume Automatic adjustment method according to claim 1 and 2, is characterized in that, the corresponding relation of described default noisy samples and described speech volume output parameter obtains by following steps:
Gather environmental noise;
Regulate speech volume output parameter;
Be recorded under described environmental noise and can know the speech volume output parameter of hearing voice;
Set up the corresponding relation of described default noisy samples and described speech volume output parameter using described environmental noise as described default noisy samples.
5. speech volume Automatic adjustment method according to claim 1 and 2, is characterized in that, described collection environmental noise around, and the step that obtains environmental noise data is the environmental noise of pickup area time period.
6. a speech volume self-checking device, is characterized in that, comprising:
Environmental noise acquisition module, for gathering environmental noise around, obtains environmental noise data;
Default noisy samples is chosen module, for described environmental noise data and default noisy samples are compared, obtains and the immediate default noisy samples of described environmental noise data;
Speech volume adjustment module, for also selecting the speech volume output parameter corresponding with described immediate default noisy samples according to the default noisy samples of described immediate default noisy samples reading pre-stored with the corresponding relation of speech volume output parameter, to regulate speech volume.
7. speech volume self-checking device according to claim 6, is characterized in that, also comprises the calibration module for calibrating described environmental noise data, and described calibration module specifically comprises:
Drift noise acquiring unit, for gathering the noise signal when the zero noise source environment, obtains drift noise data;
Noise data alignment unit, for according to described drift noise data to environmental noise data calibration.
8. according to the speech volume self-checking device described in claim 6 or 7, it is characterized in that, described environmental noise acquisition module comprises:
Environmental noise collecting unit, for gathering ambient noise after closing self voice or while not sending voice;
Environmental noise converting unit, for being converted into the described environmental noise collecting by A/D converter the environmental noise data of digital signal form.
9. according to the speech volume self-checking device described in claim 6 or 7, it is characterized in that, also comprise default noisy samples acquisition module, described default noisy samples acquisition module is used for obtaining described default noisy samples, and described default noisy samples acquisition module specifically comprises:
Sample Noise Acquisition unit, for gathering environmental noise;
Volume parameters adjustment unit, for regulating speech volume output parameter;
Data record unit, can know for being recorded under described environmental noise the speech volume output parameter of hearing voice;
Sample Establishing unit, for setting up the corresponding relation of described default noisy samples and described speech volume output parameter using described environmental noise as described default noisy samples.
10. according to the speech volume self-checking device described in claim 6 or 7, it is characterized in that, described environmental noise acquisition module is the environmental noise of pickup area time period.
11. 1 kinds of automated external defibrillators, is characterized in that, adopt in claim 1 to 5 the speech volume Automatic adjustment method described in any one or comprise the speech volume self-checking device described in any one in claim 6 to 10.
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