CN104754462A - Automatic regulating device and method for volume and earphone - Google Patents
Automatic regulating device and method for volume and earphone Download PDFInfo
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- CN104754462A CN104754462A CN201310753950.7A CN201310753950A CN104754462A CN 104754462 A CN104754462 A CN 104754462A CN 201310753950 A CN201310753950 A CN 201310753950A CN 104754462 A CN104754462 A CN 104754462A
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Abstract
The invention discloses an automatic regulating device and method for volume and an earphone. The automatic regulating device for the volume stores one-to-one corresponding relation of the air pressure and the volume. The automatic regulating device for the volume comprises an air sensor, for detecting the air pressure of the external environment and transmitting the air pressure to an inquiring module; the inquiring module is used for inquiring the volume corresponding to the air pressure and using the volume as the first volume, and transmitting the first volume to a drive module; the drive module is used for driving a loudspeaker and outputting a sound signal in the first volume. The operation of the device is simple, the user does not need to regulate the volume of the loudspeaker by hand, and the volume of the loudspeaker is full-automatically regulated according to the located environment.
Description
Technical field
The present invention relates to a kind of apparatus for automatically regulating sound volume and method and earphone, particularly relate to a kind of apparatus for automatically regulating sound volume, a kind ofly comprise the earphone of this apparatus for automatically regulating sound volume and a kind of volume automatic regulating method utilizing this apparatus for automatically regulating sound volume to realize.
Background technology
Along with recreational electronic installation is if walkman, CD(are in order to the optical disc of store digital data), MP3(MP3 is a kind of audio compression techniques, its full name is dynamic image expert compression standard audio frequency aspect 3) and the extensive popularization of computer etc., earphone has become the basic accessory of recreational electronic installation as audio frequency output element.Earphone worn after to ear user and just can listen to music or other voice data.
At present, when user listens to music or other voice data, too small or residing for user the environment of the sound that earphone speaker is play if feel is comparatively noisy, often needs the button of the control volume on manual adjustments earphone, namely presses this button and tuned up by the wave volume that loud speaker exports.For another example, if user enters relatively quiet environment from comparatively noisy environment, the wave volume also needing this button of manual adjustments that loud speaker is exported reduces.The mode of existing this adjustment earpiece volume is manual adjustments mode, operates cumbersome, and the experience of user is also poor.
Summary of the invention
The technical problem to be solved in the present invention realizes often by manual adjustments mode to overcome in prior art to regulate during earpiece volume at needs, operate comparatively troublesome defect, thering is provided a kind of without the need to regulating earpiece volume manually, can realize automatically regulating the apparatus for automatically regulating sound volume of earpiece volume and method and earphone according to residing environment.
The present invention solves above-mentioned technical problem by following technical proposals:
The invention provides a kind of apparatus for automatically regulating sound volume, its feature is, it stores the one-to-one relationship of air pressure and volume, and this apparatus for automatically regulating sound volume comprises:
One air borne sensor, for detecting the air pressure of external environment condition and this air pressure being transferred to an enquiry module;
This first volume for inquiring about volume corresponding to this air pressure as the first volume, and is transferred to a driver module by this enquiry module;
This driver module is for driving a loud speaker with this first volume output sound signal.
In relatively quiet environment, air flowing is slow, and the pressure that air produces is little, and in the environment of comparatively noisy (as large in noise, wind is large), air flowing is fast, and the pressure that air produces is relatively large.By above-mentioned principle, this programme adopts air borne sensor to detect air pressure in external environment condition, and the volume of the voice signal automatically regulating loud speaker to export according to the air pressure detected.
Preferably, this apparatus for automatically regulating sound volume also stores a noise threshold, also comprises a noise gathering module and a comparison module;
This noise gathering module is for gathering noise in this external environment condition and by this noise transmission to this comparison module;
This comparison module, for comparing the size of this noise and this noise threshold, if this noise >=this noise threshold, calls this driver module, if this noise threshold of this noise <, repeats to call this air borne sensor and this noise gathering module.
Preferably, this apparatus for automatically regulating sound volume also stores the one-to-one relationship of noise and volume, also comprises a noise gathering module and a comparison module;
This noise gathering module is for gathering noise in this external environment condition and by this noise transmission to this enquiry module;
This second volume for inquiring about volume corresponding to this noise as the second volume, and is transferred to this comparison module by this enquiry module;
This comparison module is for comparing the size of this first volume and this second volume, and this driver module exports this voice signal for driving this loud speaker with the volume of the bigger numerical compared.
Adopt this programme air borne sensor and noise gathering module detect the noisy situation in external environment condition, and make loud speaker with the volume output sound signal of bigger numerical.
Preferably, this apparatus for automatically regulating sound volume also comprises one first computing module and one second computing module;
This first computing module is used for after receiving this next air pressure of this air borne sensor transmission, the mean value of this air pressure received in this time period is calculated as the first mean value every a time period, and this first mean value is transferred to this enquiry module, this enquiry module is for inquiring about volume corresponding to this first mean value;
This second computing module is used for after receiving this next noise of this noise gathering module transfer, the mean value of this noise received in this time period is calculated as the second mean value every this time period, and this second mean value is transferred to this enquiry module, this enquiry module is for inquiring about volume corresponding to this second mean value;
This comparison module is for comparing the size of volume corresponding to volume corresponding to this first mean value and this second mean value.
Preferably, this apparatus for automatically regulating sound volume also stores one first setting threshold and one second setting threshold, also comprises one first judge module, one second judge module and a reminding module;
This first variance also for calculating the variance of this air pressure in this time period as first variance while the first mean value calculating this air pressure in this time period, and is transferred to this first judge module by this first computing module;
This second variance also for calculating the variance of this noise in this time period as second variance while the second mean value calculating this noise in this time period, and is transferred to this second judge module by this second computing module;
This first judge module is for judging whether this first variance reaches this first setting threshold, at this first judge module, this second judge module for judging whether this second variance reaches this second setting threshold, and judges that this first variance reaches this first setting threshold or this second judge module judges that this second variance performs following first operation or the second operation when reaching this second setting threshold:
This first is operating as and calls this reminding module and export an information and call this enquiry module, and wherein this information is represent that current environment is unsuitable for opening the information of loud speaker;
This second is operating as and calls this reminding module and export this information, and calls this driver module and drive this loud speaker to export this voice signal with original volume.
Preferably, this apparatus for automatically regulating sound volume also comprises a memory module, and this memory module is for storing a corresponding table, and this correspondence table comprises this corresponding relation.
Preferably, maximum≤85 decibel of this volume.When the volume that people's ear is heard is more than 85 decibels, the time is longer causes auditory fatigue; When volume is up to more than 110 decibels, be enough to the Hair Cell Death making human body inner ear.Sound overlong time that is excessive, that at every turn listen can affect auditory nerve, causes excitatory toxicity, and vegetative nerve function also can be disorderly, and except tinnitus, serious also can cause the symptom such as apocleisis, insomnia.So the maximum of this volume is set to be no more than 85 decibels by this programme, and the volume that people's ear is heard within the scope of this is more comfortable, uncomfortable sensation can not be produced.
The present invention also provides a kind of earphone, and its feature is, it comprises above-mentioned apparatus for automatically regulating sound volume and above-mentioned loud speaker.
The present invention also provides a kind of volume automatic regulating method, and its feature is, it utilizes above-mentioned apparatus for automatically regulating sound volume to realize, and this volume automatic regulating method comprises the following steps:
S
1, this air borne sensor detects the air pressure of this external environment condition and this air pressure transferred to this enquiry module;
S
2, this enquiry module inquires about volume corresponding to this air pressure as the first volume, and this first volume transferred to this driver module;
S
3, this driver module drives this loud speaker with this first volume output sound signal.
Preferably, this apparatus for automatically regulating sound volume also stores a noise threshold, also comprises a noise gathering module and a comparison module, in step S
3before, this volume automatic regulating method also comprises:
S
l, noise in this this external environment condition of noise gathering module acquires by this noise transmission to this comparison module;
S
m, this comparison module compares the size of this noise and this noise threshold, if this noise>=this noise threshold, enters step S
3if this noise threshold of this noise <, repeats step S
1and S
l.
Preferably, this apparatus for automatically regulating sound volume also stores the one-to-one relationship of noise and volume, also comprises a noise gathering module and a comparison module, in step S
3before, this volume automatic regulating method also comprises:
S
l, noise in this this external environment condition of noise gathering module acquires by this noise transmission to this enquiry module;
S
m, this enquiry module inquires about volume corresponding to this noise as the second volume, and this second volume transferred to this comparison module;
S
n, this comparison module compares the size of this first volume and this second volume, and the volume of the bigger numerical compared transferred to this driver module.
Preferably, this apparatus for automatically regulating sound volume also comprises one first computing module and one second computing module, in step S
3before, this volume automatic regulating method comprises:
S
1, this air pressure transfers to this first computing module by this air borne sensor, this noise gathering module by this noise transmission to this second computing module;
S
a, this first computing module calculates the mean value of this air pressure received in this time period as the first mean value every a time period, this second computing module calculates the mean value of this noise received in this time period as the second mean value every this time period, and this first mean value and this second mean value are transferred to this enquiry module;
S
2, this enquiry module inquires about this first mean value and volume corresponding to this second mean value respectively;
S
n, this comparison module compares the size of volume corresponding to this first mean value and volume corresponding to this second mean value, and the volume of the bigger numerical compared transferred to this driver module.
Preferably, this apparatus for automatically regulating sound volume also stores one first setting threshold and one second setting threshold, also comprises one first judge module, one second judge module and a reminding module;
In step S
ain, this first computing module calculates the variance of this air pressure in this time period as first variance, and this first variance is transferred to this first judge module, this second computing module calculates the variance of this noise in this time period as second variance, and this second variance is transferred to this second judge module;
S
b, this first judge module judges whether this first variance reaches this first setting threshold, this second judge module judges whether this second variance reaches this second setting threshold, if this first judge module judges that this first variance reaches this first setting threshold or this second judge module judges that this second variance reaches this second setting threshold, enters step S
c, otherwise enter step S
2;
S
c, perform step S
2while this reminding module export an information, wherein this information is represent that current environment is unsuitable for opening the information of loud speaker, or, directly enter step S
3while this reminding module export this information.
Preferably, maximum≤85 decibel of this volume.
On the basis meeting this area general knowledge, above-mentioned each optimum condition, can combination in any, obtains the preferred embodiments of the invention.
Positive progressive effect of the present invention is:
The present invention adopts air borne sensor to detect air pressure in external environment condition, and the volume of the voice signal automatically regulating loud speaker to export according to the air pressure detected.The present invention is simple to operate, without the need to the volume of user's manual adjustments loud speaker, can realize the function automatically regulating speaker volume completely according to residing environment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the apparatus for automatically regulating sound volume of embodiments of the invention 1.
Fig. 2 is the flow chart of the volume automatic regulating method of embodiments of the invention 1.
Fig. 3 is the flow chart of the volume automatic regulating method of embodiments of the invention 2.
Fig. 4 is the structural representation of the apparatus for automatically regulating sound volume of embodiments of the invention 3.
Fig. 5 is the flow chart of the volume automatic regulating method of embodiments of the invention 3.
Fig. 6 is the structural representation of the apparatus for automatically regulating sound volume of embodiments of the invention 4.
Fig. 7 is the flow chart of the volume automatic regulating method of embodiments of the invention 4.
Embodiment
Present pre-ferred embodiments is provided, to describe technical scheme of the present invention in detail below in conjunction with accompanying drawing.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of apparatus for automatically regulating sound volume, and it stores the one-to-one relationship of air pressure and volume, also stores a noise threshold, wherein maximum≤85 decibel of volume.This apparatus for automatically regulating sound volume comprises air borne sensor 1, noise gathering module 2, enquiry module 3, comparison module 4, driver module 5 and a memory module 6, and this memory module 6 is for storing a corresponding table, and this correspondence table comprises this corresponding relation.
This air borne sensor 1 is for detecting the air pressure of external environment condition and this air pressure being transferred to this enquiry module 3;
This noise gathering module 2 is for gathering noise in this external environment condition and by this noise transmission to this comparison module 4;
This first volume for inquiring about volume corresponding to this air pressure as the first volume, and is transferred to this driver module 5 by this enquiry module 3;
This comparison module 4 is for comparing the size of this noise and this noise threshold, if this noise >=this noise threshold, calling this driver module 5 for driving a loud speaker with this first volume output sound signal, if this noise threshold of this noise <, repeating to call this air borne sensor 1 and this noise gathering module 2.
The present embodiment also provides a kind of earphone comprising above-mentioned apparatus for automatically regulating sound volume and above-mentioned loud speaker.
As shown in Figure 2, the present embodiment also provides a kind of volume automatic regulating method, and it utilizes above-mentioned apparatus for automatically regulating sound volume to realize, and this volume automatic regulating method comprises the following steps:
Step 101, this air borne sensor detect the air pressure of this external environment condition and this air pressure are transferred to this enquiry module, the noise in this this external environment condition of noise gathering module acquires by this noise transmission to this comparison module;
Step 102, this enquiry module inquire about volume corresponding to this air pressure as the first volume, and this first volume is transferred to this driver module;
Step 103, this comparison module compare the size of this noise and this noise threshold, if this noise >=this noise threshold, enter step 104, if this noise threshold of this noise <, enter step 101;
Step 104, this driver module drive this loud speaker with this first volume output sound signal.
Adopt the present embodiment air borne sensor and noise gathering module detect the noisy situation in external environment condition, and this noise gathering module acquires to noise acquire a certain degree time, namely illustrate that the noise in external environment condition is very large, have influence on the effect that user listens to the sound that loud speaker sends, the volume output sound signal that the air pressure that this driver module drives this loud speaker to detect with this air borne sensor is corresponding.
Embodiment 2
The present embodiment provides a kind of apparatus for automatically regulating sound volume, they parts comprised are identical with the parts that the apparatus for automatically regulating sound volume in embodiment 1 comprises, difference is: this memory module 6 is also for storing another corresponding table, this correspondence table comprises the one-to-one relationship of noise and volume, this enquiry module 3 is also for inquiring about volume corresponding to noise, and the function that the noise gathering module of the present embodiment and comparison module and the noise gathering module in embodiment 1 and comparison module realize is completely different, is specially:
This noise gathering module 2 is for gathering noise in this external environment condition and by this noise transmission to this enquiry module 3;
This second volume for inquiring about volume corresponding to this noise as the second volume, and is transferred to this comparison module 4 by this enquiry module 3;
This comparison module 4 is for comparing the size of this first volume and this second volume, and this driver module 5 exports this voice signal for driving this loud speaker with the volume of the bigger numerical compared.
Shown in figure 3, the present embodiment also provides a kind of volume automatic regulating method, and it utilizes the apparatus for automatically regulating sound volume of the present embodiment to realize, and this volume automatic regulating method comprises the following steps:
Step 201, this air borne sensor detect the air pressure of this external environment condition and this air pressure are transferred to this enquiry module, the noise in this this external environment condition of noise gathering module acquires by this noise transmission to this enquiry module;
Step 202, this enquiry module inquire about volume corresponding to this air pressure as the first volume, inquire about volume corresponding to this noise as the second volume, and this first volume and this second volume are transferred to this comparison module;
Step 203, this comparison module compare the size of this first volume and this second volume, and the volume of the bigger numerical compared is transferred to this driver module;
Step 204, this driver module drive this loud speaker with the volume output sound signal of the bigger numerical compared.
Adopt the present embodiment air borne sensor and noise gathering module detect the noisy situation in external environment condition, and compare the size of volume corresponding to air pressure and volume corresponding to noise, make loud speaker with the volume output sound signal of bigger numerical.
Embodiment 3
As shown in Figure 4, the present embodiment also comprises one first computing module 7 and one second computing module 8 on the basis of the apparatus for automatically regulating sound volume of embodiment 2.
This first computing module 7 is for after receiving this next air pressure of this air borne sensor transmission, the mean value of this air pressure received in this time period is calculated as the first mean value every a time period (as 10 seconds), and this first mean value is transferred to this enquiry module 3, this enquiry module 3 is for inquiring about volume corresponding to this first mean value;
This second computing module 8 is for after receiving this next noise of this noise gathering module transfer, the mean value of this noise received in this time period is calculated as the second mean value every this time period, and this second mean value is transferred to this enquiry module 3, this enquiry module 3 is for inquiring about volume corresponding to this second mean value;
This comparison module 4 is for comparing the size of volume corresponding to volume corresponding to this first mean value and this second mean value.
Shown in figure 5, the present embodiment also provides a kind of volume automatic regulating method, and it utilizes the apparatus for automatically regulating sound volume of the present embodiment to realize, and this volume automatic regulating method comprises the following steps:
Step 301, this air borne sensor detect the air pressure of this external environment condition and this air pressure are transferred to this first computing module, the noise in this this external environment condition of noise gathering module acquires by this noise transmission to this second computing module;
Step 302, this first computing module calculate the mean value of this air pressure received in this time period as the first mean value every this time period, this second computing module calculates the mean value of this noise received in this time period as the second mean value every this time period, and this first mean value and this second mean value are transferred to this enquiry module;
Step 303, this enquiry module inquire about this first mean value and volume corresponding to this second mean value respectively;
Step 304, this comparison module compare the size of volume corresponding to this first mean value and volume corresponding to this second mean value, and the volume of the bigger numerical compared is transferred to this driver module;
Step 305, this driver module drive this loud speaker with the volume output sound signal of the bigger numerical compared.
The present embodiment is using the mean value of a time period inner air pressure or the mean value of the noise benchmark as the volume of loud speaker output sound signal, if the mean value of air pressure is greater than the mean value of noise, then driver module drives this loud speaker with volume output sound signal corresponding to the mean value of air pressure, if the mean value of air pressure is less than the mean value of noise, then driver module drives this loud speaker with volume output sound signal corresponding to the mean value of noise.
The benefit of this programme is the generation can avoiding this situation: when user listens to the music with earphone out of doors, suddenly sound very sharp-pointed sound near user, at this moment air borne sensor and noise gathering module all detect this noisy situation, if do not calculate the mean value of the noise that the mean value of the air pressure that air borne sensor detects and noise gathering module acquires arrive, air borne sensor and noise gathering module then can be caused when above-mentioned piping being detected, directly the information transmission gathered is inquired about corresponding volume to enquiry module, and then cause this loud speaker to play music with very large sound.Being that the volume of user's unexpected earphone when listening to the music is very large from the angle of user, causing and listening very uncomfortable, making user use earphone to listen to the music and the experience sense brought is very poor.
Embodiment 4
As shown in Figure 6, the present embodiment also comprises one first judge module 9,1 second judge module 10 and a reminding module 11 on the basis of the apparatus for automatically regulating sound volume of embodiment 3, also stores one first setting threshold and one second setting threshold.
This first variance also for calculating the variance of this air pressure in this time period as first variance while the first mean value calculating this air pressure in this time period, and is transferred to this first judge module 9 by this first computing module 7;
This second variance also for calculating the variance of this noise in this time period as second variance while the second mean value calculating this noise in this time period, and is transferred to this second judge module 10 by this second computing module 8;
This first judge module 9 is for judging whether this first variance reaches this first setting threshold, this second judge module 10 is for judging whether this second variance reaches this second setting threshold, and this first judge module 9 judge this first variance reach this first setting threshold or this second judge module 10 judge that this second variance reaches this second setting threshold time, call this reminding module 11 to export an information and call this enquiry module 3, wherein this information is represent that current environment is unsuitable for opening the information of loud speaker.
Shown in figure 7, the present embodiment also provides a kind of volume automatic regulating method, and it utilizes the apparatus for automatically regulating sound volume of the present embodiment to realize, and this volume automatic regulating method comprises the following steps:
Step 401, this air borne sensor detect the air pressure of this external environment condition and this air pressure are transferred to this first computing module, the noise in this this external environment condition of noise gathering module acquires by this noise transmission to this second computing module;
Step 402, this first computing module calculates the mean value of this air pressure received in this time period as the first mean value every this time period, calculate the variance of this air pressure in this time period as first variance simultaneously, and this first variance is transferred to this first judge module, this second computing module calculates the mean value of this noise received in this time period as the second mean value every this time period, calculate the variance of this noise in this time period as second variance simultaneously, and this second variance is transferred to this second judge module, and this first mean value and this second mean value are transferred to this enquiry module,
Step 403, this first judge module judge whether this first variance reaches this first setting threshold, this second judge module judges whether this second variance reaches this second setting threshold, if this first judge module judges that this first variance reaches this first setting threshold or this second judge module judges that this second variance reaches this second setting threshold, enter step 404, otherwise enter step 405;
Step 404, this enquiry module inquire about this first mean value and volume corresponding to this second mean value respectively, and this reminding module exports an information simultaneously, and wherein this information is represent that current environment is unsuitable for opening the information of loud speaker;
Step 405, this enquiry module inquire about this first mean value and volume corresponding to this second mean value respectively;
Step 406, this comparison module compare the size of volume corresponding to this first mean value and volume corresponding to this second mean value, and the volume of the bigger numerical compared is transferred to this driver module;
Step 407, this driver module drive this loud speaker with the volume output sound signal of the bigger numerical compared.
In the present embodiment, if the variance of this air pressure reaches the first setting threshold in the time period calculated, then illustrate in this time period that the some air pressures detected are very large relative to the mean value degrees of offset of this air pressure in this time period, similarly, if the variance of this noise reaches the second setting threshold in this time period calculated, then illustrate in this time period that the some noises detected are very large relative to the mean value degrees of offset of this noise in this time period.
The volume of the voice signal of this loud speaker output will be very large like this, and cause user to listen very uncomfortable, experience sense is relatively poor.So the present embodiment is when driving loud speaker still to play sound with the volume of the bigger numerical compared, also can send the information such as prompt tone or warning to point out user, the current residing environment of user of announcement is unsuitable for using earphone.
Embodiment 5
The parts that the apparatus for automatically regulating sound volume of the present embodiment comprises are identical with the parts that apparatus for automatically regulating sound volume in embodiment 4 comprises, difference is: judge that this first variance reaches this first setting threshold or this second judge module 10 judges that the operation that this second variance performs when reaching this second setting threshold is different from embodiment 4 at this first judge module 9, be specially: call this reminding module 11 and export this information, and call this driver module 5 and drive this loud speaker to export this voice signal with original volume.
The present embodiment also provides a kind of volume automatic regulating method, and it utilizes the apparatus for automatically regulating sound volume of the present embodiment to realize, the step difference in the step comprised and embodiment 4 be step 403 with and subsequent step:
Step 403 ', this first judge module judges whether this first variance reaches this first setting threshold, this second judge module judges whether this second variance reaches this second setting threshold, if this first judge module judges that this first variance reaches this first setting threshold or this second judge module judges that this second variance reaches this second setting threshold, enter step 404 ', otherwise enter step 405 ';
Step 404 ', this driver module drives this loud speaker with original volume output sound signal, process ends;
Step 405 ', this enquiry module inquires about this first mean value and volume corresponding to this second mean value respectively;
Step 406 ', this comparison module compares the size of volume corresponding to this first mean value and volume corresponding to this second mean value, and the volume of the bigger numerical compared transferred to this driver module;
Step 407 ', this driver module drives this loud speaker with the volume output sound signal of the bigger numerical compared, process ends.
In the present embodiment, if the variance that the variance of the time period inner air pressure calculated reaches the first setting threshold or noise reaches the second setting threshold, the volume of the voice signal of this loud speaker output will be very large like this, and cause user to listen very uncomfortable, experience sense is relatively poor.So the present embodiment does not drive loud speaker to play sound with the volume of the bigger numerical compared within this time period, and the volume of the bigger numerical making loud speaker still compare with previous time period plays sound, namely within this time period, loud speaker still plays sound with original volume, also can send the information such as prompt tone or warning to point out user, the current residing environment of user of announcement is unsuitable for using earphone.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these execution modes, but these change and amendment all falls into protection scope of the present invention.
Claims (13)
1. an apparatus for automatically regulating sound volume, is characterized in that, it stores the one-to-one relationship of air pressure and volume, and this apparatus for automatically regulating sound volume comprises:
One air borne sensor, for detecting the air pressure of external environment condition and this air pressure being transferred to an enquiry module;
This first volume for inquiring about volume corresponding to this air pressure as the first volume, and is transferred to a driver module by this enquiry module;
This driver module is for driving a loud speaker with this first volume output sound signal.
2. apparatus for automatically regulating sound volume as claimed in claim 1, it is characterized in that, this apparatus for automatically regulating sound volume also stores a noise threshold, also comprises a noise gathering module and a comparison module;
This noise gathering module is for gathering noise in this external environment condition and by this noise transmission to this comparison module;
This comparison module, for comparing the size of this noise and this noise threshold, if this noise >=this noise threshold, calls this driver module, if this noise threshold of this noise <, repeats to call this air borne sensor and this noise gathering module.
3. apparatus for automatically regulating sound volume as claimed in claim 1, it is characterized in that, this apparatus for automatically regulating sound volume also stores the one-to-one relationship of noise and volume, also comprises a noise gathering module and a comparison module;
This noise gathering module is for gathering noise in this external environment condition and by this noise transmission to this enquiry module;
This second volume for inquiring about volume corresponding to this noise as the second volume, and is transferred to this comparison module by this enquiry module;
This comparison module is for comparing the size of this first volume and this second volume, and this driver module exports this voice signal for driving this loud speaker with the volume of the bigger numerical compared.
4. apparatus for automatically regulating sound volume as claimed in claim 3, it is characterized in that, this apparatus for automatically regulating sound volume also comprises one first computing module and one second computing module;
This first computing module is used for after receiving this next air pressure of this air borne sensor transmission, the mean value of this air pressure received in this time period is calculated as the first mean value every a time period, and this first mean value is transferred to this enquiry module, this enquiry module is for inquiring about volume corresponding to this first mean value;
This second computing module is used for after receiving this next noise of this noise gathering module transfer, the mean value of this noise received in this time period is calculated as the second mean value every this time period, and this second mean value is transferred to this enquiry module, this enquiry module is for inquiring about volume corresponding to this second mean value;
This comparison module is for comparing the size of volume corresponding to volume corresponding to this first mean value and this second mean value.
5. apparatus for automatically regulating sound volume as claimed in claim 4, it is characterized in that, this apparatus for automatically regulating sound volume also stores one first setting threshold and one second setting threshold, also comprises one first judge module, one second judge module and a reminding module;
This first variance also for calculating the variance of this air pressure in this time period as first variance while the first mean value calculating this air pressure in this time period, and is transferred to this first judge module by this first computing module;
This second variance also for calculating the variance of this noise in this time period as second variance while the second mean value calculating this noise in this time period, and is transferred to this second judge module by this second computing module;
This first judge module is for judging whether this first variance reaches this first setting threshold, at this first judge module, this second judge module for judging whether this second variance reaches this second setting threshold, and judges that this first variance reaches this first setting threshold or this second judge module judges that this second variance performs following first operation or the second operation when reaching this second setting threshold:
This first is operating as and calls this reminding module and export an information and call this enquiry module, and wherein this information is represent that current environment is unsuitable for opening the information of loud speaker;
This second is operating as and calls this reminding module and export this information, and calls this driver module and drive this loud speaker to export this voice signal with original volume.
6. apparatus for automatically regulating sound volume as claimed in claim 1, it is characterized in that, this apparatus for automatically regulating sound volume also comprises a memory module, this memory module is for storing a corresponding table, this correspondence table comprises this corresponding relation, and/or, maximum≤85 decibel of this volume.
7. an earphone, is characterized in that, it comprises the loud speaker as described in any one in the apparatus for automatically regulating sound volume in claim 1-6 as described in any one and claim 1-6.
8. a volume automatic regulating method, is characterized in that, it utilizes apparatus for automatically regulating sound volume as claimed in claim 1 to realize, and this volume automatic regulating method comprises the following steps:
S
1, this air borne sensor detects the air pressure of this external environment condition and this air pressure transferred to this enquiry module;
S
2, this enquiry module inquires about volume corresponding to this air pressure as the first volume, and this first volume transferred to this driver module;
S
3, this driver module drives this loud speaker with this first volume output sound signal.
9. volume automatic regulating method as claimed in claim 8, it is characterized in that, this apparatus for automatically regulating sound volume also stores a noise threshold, also comprises a noise gathering module and a comparison module, in step S
3before, this volume automatic regulating method also comprises:
S
l, noise in this this external environment condition of noise gathering module acquires by this noise transmission to this comparison module;
S
m, this comparison module compares the size of this noise and this noise threshold, if this noise>=this noise threshold, enters step S
3if this noise threshold of this noise <, repeats step S
1and S
l.
10. volume automatic regulating method as claimed in claim 8, it is characterized in that, this apparatus for automatically regulating sound volume also stores the one-to-one relationship of noise and volume, also comprises a noise gathering module and a comparison module, in step S
3before, this volume automatic regulating method also comprises:
S
l, noise in this this external environment condition of noise gathering module acquires by this noise transmission to this enquiry module;
S
m, this enquiry module inquires about volume corresponding to this noise as the second volume, and this second volume transferred to this comparison module;
S
n, this comparison module compares the size of this first volume and this second volume, and the volume of the bigger numerical compared transferred to this driver module.
11. volume automatic regulating methods as claimed in claim 10, is characterized in that, this apparatus for automatically regulating sound volume also comprises one first computing module and one second computing module, in step S
3before, this volume automatic regulating method comprises:
S
1, this air pressure transfers to this first computing module by this air borne sensor, this noise gathering module by this noise transmission to this second computing module;
S
a, this first computing module calculates the mean value of this air pressure received in this time period as the first mean value every a time period, this second computing module calculates the mean value of this noise received in this time period as the second mean value every this time period, and this first mean value and this second mean value are transferred to this enquiry module;
S
2, this enquiry module inquires about this first mean value and volume corresponding to this second mean value respectively;
S
n, this comparison module compares the size of volume corresponding to this first mean value and volume corresponding to this second mean value, and the volume of the bigger numerical compared transferred to this driver module.
12. volume automatic regulating methods as claimed in claim 11, is characterized in that, this apparatus for automatically regulating sound volume also stores one first setting threshold and one second setting threshold, also comprise one first judge module, one second judge module and a reminding module;
In step S
ain, this first computing module calculates the variance of this air pressure in this time period as first variance, and this first variance is transferred to this first judge module, this second computing module calculates the variance of this noise in this time period as second variance, and this second variance is transferred to this second judge module;
S
b, this first judge module judges whether this first variance reaches this first setting threshold, this second judge module judges whether this second variance reaches this second setting threshold, if this first judge module judges that this first variance reaches this first setting threshold or this second judge module judges that this second variance reaches this second setting threshold, enters step S
c, otherwise enter step S
2;
S
c, perform step S
2while this reminding module export an information, wherein this information is represent that current environment is unsuitable for opening the information of loud speaker, or, directly enter step S
3while this reminding module export this information.
13. volume automatic regulating methods as claimed in claim 8, is characterized in that, maximum≤85 decibel of this volume.
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