CN104898836A - Rotatable camera adjustment method and user terminal - Google Patents
Rotatable camera adjustment method and user terminal Download PDFInfo
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- CN104898836A CN104898836A CN201510260809.2A CN201510260809A CN104898836A CN 104898836 A CN104898836 A CN 104898836A CN 201510260809 A CN201510260809 A CN 201510260809A CN 104898836 A CN104898836 A CN 104898836A
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- 230000005540 biological transmission Effects 0.000 claims description 31
- 238000013475 authorization Methods 0.000 claims description 26
- 238000001914 filtration Methods 0.000 claims description 12
- 230000004044 response Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 238000004904 shortening Methods 0.000 claims description 3
- 108010001267 Protein Subunits Proteins 0.000 claims 2
- 230000002207 retinal effect Effects 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 3
- 244000078534 Vaccinium myrtillus Species 0.000 description 2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/62—Control of parameters via user interfaces
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Abstract
Embodiments of the present invention disclose a rotatable camera adjustment method and a user terminal. The method comprises: enabling a camera; detecting a current distance between the camera and a target person; detecting a volume value corresponding to the current distance; determining whether the volume value matches a standard volume value; and if the volume value does not match the standard volume value, adjusting the current distance to a distance value corresponding to the standard volume value. According to the embodiments of the present invention, the listening effect of the sound may be improved.
Description
Technical field
The present invention relates to Internet technical field, particularly relate to a kind of rotating camera control method and user terminal.
Background technology
Along with the development of electronic technology, increasing user terminal (as mobile phone, panel computer etc.) is configured with rotating camera, user can control camera by gesture and rotate, and then the visual angle of adjustment shooting in real time.At present, rotating camera is also configured with microphone, user can shoot the picture of sound in conjunction with microphone.Find in practice, when sound is propagated in atmosphere, the volume of sound source can decay along with the increase of propagation distance, and when camera and target person distant, the sound that microphones arrives is just very little; When the close together of camera and target person, the sound that microphones arrives is just very large, too loudly or sound too little, all can affect audibility.
Summary of the invention
Embodiments provide a kind of rotating camera control method and user terminal, the audibility of sound can be improved.
Embodiment of the present invention first aspect discloses a kind of rotating camera control method, comprising:
Open camera;
Detect the current distance of described camera and target person;
Detect the volume value that described current distance is corresponding;
Judge whether described volume value matches with standard pronunciation value, if do not mated, described current distance is adjusted to distance value corresponding to described standard pronunciation value.
Embodiment of the present invention second aspect discloses a kind of user terminal, comprising:
Open unit, for opening camera;
First detecting unit, for detecting the current distance of described camera and target person;
Second detecting unit, for detecting volume value corresponding to described current distance;
Adjustment unit, for judging whether described volume value matches with standard pronunciation value, if do not mated, is adjusted to distance value corresponding to described standard pronunciation value by described current distance.
In the embodiment of the present invention, user terminal opens camera, and detect the current distance of camera and target person, and detect volume value corresponding to current distance, further, judge whether volume value matches with standard pronunciation value, if do not mated, current distance is adjusted to the distance value that standard pronunciation value is corresponding.Pass through the embodiment of the present invention, the no matter distance of the current distance of camera and target person, user terminal is after judging that volume value corresponding to current distance does not mate with standard pronunciation value, all current distance can be adjusted to distance value corresponding to standard pronunciation value, like this, the standard pronunciation value that user just can listen to the most applicable ear to listen to this sound, thus can improve the audibility of sound.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of a kind of rotating camera control method disclosed in the embodiment of the present invention;
Fig. 2 is the schematic flow sheet of another kind of rotating camera control method disclosed in the embodiment of the present invention;
Fig. 3 is the schematic flow sheet of another kind of rotating camera control method disclosed in the embodiment of the present invention;
Fig. 4 is the structural representation of a kind of user terminal disclosed in the embodiment of the present invention;
Fig. 5 is the structural representation of another kind of user terminal disclosed in the embodiment of the present invention;
Fig. 6 is the structural representation of another kind of user terminal disclosed in the embodiment of the present invention;
Fig. 7 is the structural representation of another kind of user terminal disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of rotating camera control method and user terminal, the audibility of sound can be improved.Below be described in detail respectively.
In the embodiment of the present invention, user terminal can include but not limited to smart mobile phone, panel computer, notebook computer, palm PC and any device with rotating camera.Wherein, the operating system of this user terminal can include but not limited to Android operation system, IOS, Symbian (Saipan) operating system, Black Berry (blackberry, blueberry) operating system, Windows Phone8 operating system etc., and the embodiment of the present invention does not limit.
Refer to Fig. 1, Fig. 1 is the schematic flow sheet of a kind of rotating camera control method disclosed in the embodiment of the present invention.As shown in Figure 1, the method can comprise the following steps:
S101, unlatching camera.
As the optional embodiment of one, the embodiment that user terminal opens camera can comprise the following steps:
11) camera open command is received;
12) respond camera open command, open camera.
In this embodiment, this camera open command can be the camera open command that user operation target button triggers, or this camera open command is the camera open command that user terminal generates automatically, such as: automatically generate camera open command at particular point in time.Wherein, this target button can be arranged on user terminal mechanical key with it, or the software key icon that the application software being loaded into user terminal shows at the display interface of user terminal, and the embodiment of the present invention does not limit.
In this embodiment, if this target button is volume key, then user can reduce key to trigger generation camera open command by pressing simultaneously for increasing the volume increase key of user terminal volume and the volume for reducing user terminal volume; Or user Continued depression volume can increase key, when user exceedes for duration of pressing operation that volume increases key the preset time threshold pre-set, by triggerings generation camera open command; Or user Continued depression volume can reduce key, when user exceedes for duration of pressing operation that volume reduces key the preset time threshold pre-set, by triggerings generation camera open command, the embodiment of the present invention does not limit.
In this embodiment, if this target button is the software key icon that the application software being loaded into user terminal shows at the display interface of user terminal, then when user carries out touch operation to this target button, triggering is generated camera open command.
As the optional embodiment of another kind, above-mentioned steps 11) and 12) embodiment can comprise the following steps:
21) the camera open command that user operation target button triggers is received;
22) export for pointing out the information inputting information to be verified;
23) information to be verified of the described information input of response is received;
24) verify that whether described information to be verified is consistent with the default authorization information pre-set;
25) when verifying that described information to be verified is consistent with described default authorization information, response camera open command, opens camera.
In this embodiment, after user terminal receives the camera open command that user operation target button triggers, output is used for pointing out the information inputting information to be verified by user terminal; And user terminal can export the information input port to be verified for inputting information to be verified.
In this embodiment, this information to be verified can include but not limited to any one or a few the combination in password to be verified, finger print information to be verified, shape of face information to be verified, iris information to be verified, retinal information to be verified and voiceprint to be verified.
In this embodiment, this default authorization information pre-set can include but not limited to default authentication password, presets checking finger print information, preset checking shape of face information, presets checking iris information, presets checking retinal information and preset any one or a few the combination in checking voiceprint.
In this embodiment, above-mentioned default authorization information can comprise fingerprint string information and input time corresponding to each fingerprint; So correspondingly, verify that whether information to be verified is consistent with default authorization information can comprise the following steps:
Whether checking fingerprint string is identical with the fingerprint string that default authorization information comprises, and whether the difference of the input time of identical fingerprints is all less than preset value, if checking fingerprint string is identical with the fingerprint string that default authorization information comprises, and the difference of the input time of identical fingerprints is all less than preset value, so can verify that information to be verified is consistent with default authorization information; Otherwise, verify information to be verified and default authorization information inconsistent.Wherein, by implementing this embodiment, can prevent disabled user from opening camera on the subscriber terminal, thus can effectively prevent user terminal from wantonly being operated by disabled user.
Optionally, in this embodiment, above-mentioned default authorization information can comprise encrypted message and biological information (combination of any one or several in finger print information, shape of face information, iris information, retinal information and voiceprint), so correspondingly, verify that whether information to be verified is consistent with default authorization information can comprise the following steps:
Whether the encrypted message of checking input is identical with the encrypted message preset, when verifying that the encrypted message of input is identical with the encrypted message preset, whether the biological information of checking input is identical with the biological information preset, if the biological information of checking input is identical with the biological information preset, so can verify that information to be verified is consistent with default authorization information; Otherwise, if the biological information of checking input is not identical with default biological information, so can verify information to be verified and default authorization information inconsistent.Wherein, by implementing this embodiment, can prevent invalid user stealing encrypted message from opening camera, thus can effectively prevent user terminal from wantonly being operated by disabled user.
The current distance of S102, detection camera and target person.
In the embodiment of the present invention, after user terminal captures target person by the preview interface of camera, by built-in range sensor, the current distance of camera and target person can be measured.Wherein, this target person is the current people taken of camera.
The volume value that S103, detection current distance are corresponding.
In the embodiment of the present invention, when sound is propagated in atmosphere, the energy of sound source can be decayed along with the increase of propagation distance, and what show is exactly that the volume of sound can reduce along with the increase of propagation distance, and propagation distance is different, the volume of the sound heard also can be different, such as: sound source volume is 50dB, after propagation distance 3m, volume becomes 40dB, after propagation distance 6m, volume becomes 34dB.
Therefore, volume value corresponding to the current distance that user terminal detects is the volume value of the sound that receiver module (as microphone) that sound source is caught on camera head after the propagation of certain distance receives, instead of the volume value of sound source itself, obviously, the volume value that the current distance that detects of user terminal is corresponding is less than the volume value of sound source itself.
As the optional embodiment of one, the embodiment that user terminal detects volume value corresponding to current distance can comprise the following steps:
31) ambient sound comprising the sound of target person is received;
32) according to the sound characteristic of the target person prestored, from the ambient sound received, filtering and the unmatched sound of sound characteristic, to obtain the sound of target person;
33) from the sound of target person, the volume value of the sound of target person is detected.
In this embodiment, due to the existence of target person surrounding environment sound, the sound that camera receives, except the sound comprising target person, also comprises ambient sound, as the noise of surrounding, the sound etc. of other personages, therefore, user terminal needs the ambient sound around filtering, to obtain the sound of target person, such user terminal just from the sound of target person, can detect the volume value of the sound of target person.
Particularly, user terminal can obtain the sound characteristic of this target person prestored, further, the sound characteristic of all sound is extracted from the ambient sound received, the unmatched sound of sound characteristic of filtering and target person from the sound characteristic of all sound extracted, to obtain the sound of target person, further, from the sound of the target person got, detect the volume value of the sound of target person.
S104, judge whether volume value matches with standard pronunciation value, if do not mate, perform step S105, if coupling, process ends.
In the embodiment of the present invention, user terminal judges whether volume value matches with standard pronunciation value, wherein, the best volume value that this standard pronunciation value can pre-set for user, the i.e. the most applicable volume value listened to of user's ear, or this standard pronunciation value is the volume value of client terminal system default setting, the volume value of this default setting can for being applicable to the volume value that most people listen under normal circumstances.If user terminal judges that volume value and standard pronunciation value match, show that current volume value is exactly best volume value, user terminal is without the need to regulating the current distance of camera and target person, if user terminal judges that volume value does not mate with standard pronunciation value, show current volume value or bigger than normal, less than normal, user terminal needs the current distance regulating camera and target person, reaches standard pronunciation value to make volume value.
S105, current distance is adjusted to distance value corresponding to standard pronunciation value.
In the embodiment of the present invention, after user terminal judges that volume value does not mate with standard pronunciation value, current distance just can be adjusted to distance value corresponding to standard pronunciation value by user terminal, the volume value that such user terminal receives is just standard pronunciation value, and user just can hear the sound of the most applicable ear.
It should be noted that, in the embodiment of the present invention, microphone is arranged on camera, and microphone can rotate together with camera, and above-mentioned distance value can be understood as the distance of microphone and target person.
In the method flow described by Fig. 1, user terminal opens camera, and detect the current distance of camera and target person, and detect volume value corresponding to current distance, further, judge whether volume value matches with standard pronunciation value, if do not mated, current distance is adjusted to the distance value that standard pronunciation value is corresponding.Pass through the embodiment of the present invention, the no matter distance of the current distance of camera and target person, user terminal is after judging that volume value corresponding to current distance does not mate with standard pronunciation value, all current distance can be adjusted to distance value corresponding to standard pronunciation value, like this, the standard pronunciation value that user just can listen to the most applicable ear to listen to this sound, thus can improve the audibility of sound.
Refer to Fig. 2, Fig. 2 is the schematic flow sheet of another kind of rotating camera control method disclosed in the embodiment of the present invention.As shown in Figure 2, the method can comprise the following steps:
S201, user terminal open camera.
S202, user terminal detect the current distance of camera and target person.
S203, user terminal detect volume value corresponding to current distance.
S204, user terminal go out transmission range r corresponding to standard volume value according to the formulae discovery of volume decay with distance
2.
In the embodiment of the present invention, this formula can be:
L
2＝L
1-20lg(r
2/r
1)
Wherein, L
1for the volume value that current distance is corresponding, L
2for standard pronunciation value, r
1for the current distance of camera and target person.
For example, L is supposed
1=10dB, L
2=16dB, r
1=1m, then can calculate r according to above-mentioned formula
2=0.5m, the transmission range that namely standard pronunciation value is corresponding is 0.5m.
S205, user terminal judge whether volume value is less than standard pronunciation value, if be less than, determine that volume value does not mate with standard pronunciation value.
In the embodiment of the present invention, user terminal is after the volume value that current distance is corresponding being detected, volume value corresponding for current distance compares with standard pronunciation value by user terminal, three kinds of results may be there are, the first: volume value corresponding to current distance is less than standard pronunciation value, the second: volume value corresponding to current distance is greater than standard pronunciation value, the third: volume value corresponding to current distance equals standard pronunciation value.If the result is relatively the first or the second, then user terminal can determine that volume value does not mate with standard pronunciation value, if the result is relatively the third, then user terminal can process ends.Wherein, the best volume value that this standard pronunciation value can pre-set for user, the i.e. the most applicable volume value listened to of user's ear, or, this standard pronunciation value is the volume value of client terminal system default setting, and the volume value of this default setting can for being applicable to the volume value that most people listen under normal circumstances.
In the embodiment of the present invention, when user terminal judges that volume value corresponding to current distance is less than standard pronunciation value, user terminal can determine that volume value corresponding to current distance does not mate with standard pronunciation value, now, user terminal needs to extend camera, and the volume value of the sound received to make user terminal is this standard pronunciation value.
S206, user terminal extend camera, to make the distance of camera and target person for transmission range r corresponding to standard pronunciation value
2.
In the embodiment of the present invention, user terminal goes out transmission range r corresponding to standard volume value according to the formulae discovery of volume decay with distance
2be less than the current distance r of camera and target person
1, therefore, user terminal needs to extend camera, to reduce the distance of camera and target person, that is: makes camera be the transmission range r that standard pronunciation value is corresponding with the distance of target person
2.
It should be noted that, in the embodiment of the present invention, microphone is arranged on camera, and microphone can extend together with camera, and above-mentioned distance value can be understood as the distance of microphone and target person.
In the method flow described by Fig. 2, user terminal opens camera, detect the current distance of camera and target person, and after detecting volume value corresponding to current distance, go out transmission range corresponding to standard volume value according to formulae discovery, further, user terminal judges whether volume value is less than standard pronunciation value, if be less than, determines that volume value does not mate with standard pronunciation value, and extend camera, to make the distance of camera and target person for transmission range corresponding to standard pronunciation value.Pass through the embodiment of the present invention, user terminal can according to the comparative result of volume value corresponding to current distance and standard pronunciation value, after determining that volume value corresponding to current distance does not mate with standard pronunciation value, the transmission range corresponding according to formulae discovery standard pronunciation value, extend camera, to make the distance of camera and target person for transmission range corresponding to standard pronunciation value, like this, the standard pronunciation value that user just can listen to the most applicable ear to listen to this sound, thus can improve the audibility of sound.
Refer to Fig. 3, Fig. 3 is the schematic flow sheet of another kind of rotating camera control method disclosed in the embodiment of the present invention.As shown in Figure 3, the method can comprise the following steps:
S301, user terminal open camera.
S302, user terminal detect the current distance of camera and target person.
S303, user terminal detect volume value corresponding to current distance.
S304, user terminal go out transmission range r corresponding to standard volume value according to the formulae discovery of volume decay with distance
2.
In the embodiment of the present invention, this formula can be:
L
2＝L
1-20lg(r
2/r
1)
Wherein, L
1for the volume value that current distance is corresponding, L
2for standard pronunciation value, r
1for the current distance of camera and target person.
For example, L is supposed
1=16dB, L
2=10dB, r
1=0.5m, then can calculate r according to above-mentioned formula
2=1m, the transmission range that namely standard pronunciation value is corresponding is 1m.
S305, user terminal judge whether volume value is less than standard pronunciation value, if be greater than, determine that volume value does not mate with standard pronunciation value.
In the embodiment of the present invention, user terminal is after the volume value that current distance is corresponding being detected, volume value corresponding for current distance compares with standard pronunciation value by user terminal, three kinds of results may be there are, the first: volume value corresponding to current distance is less than standard pronunciation value, the second: volume value corresponding to current distance is greater than standard pronunciation value, the third: volume value corresponding to current distance equals standard pronunciation value.If the result is relatively the first or the second, then user terminal can determine that volume value does not mate with standard pronunciation value, if the result is relatively the third, then user terminal can process ends.Wherein, the best volume value that this standard pronunciation value can pre-set for user, the i.e. the most applicable volume value listened to of user's ear, or, this standard pronunciation value is the volume value of client terminal system default setting, and the volume value of this default setting can for being applicable to the volume value that most people listen under normal circumstances.
In the embodiment of the present invention, when user terminal judges that volume value corresponding to current distance is greater than standard pronunciation value, user terminal can determine that volume value corresponding to current distance does not mate with standard pronunciation value, now, user terminal needs to shorten camera, and the volume value of the sound received to make user terminal is this standard pronunciation value.
S306, user terminal shorten camera, to make the distance of camera and target person for transmission range r corresponding to standard pronunciation value
2.
In the embodiment of the present invention, user terminal goes out transmission range r corresponding to standard volume value according to the formulae discovery of volume decay with distance
2be greater than the current distance r of camera and target person
1, therefore, user terminal needs to shorten camera, to increase the distance of camera and target person, that is: makes camera be the transmission range r that standard pronunciation value is corresponding with the distance of target person
2.
It should be noted that, in the embodiment of the present invention, microphone is arranged on camera, and microphone can shorten together with camera, and above-mentioned distance value can be understood as the distance of microphone and target person.
In the method flow described by Fig. 3, user terminal opens camera, detect the current distance of camera and target person, and after detecting volume value corresponding to current distance, go out transmission range corresponding to standard volume value according to formulae discovery, further, user terminal judges whether volume value is less than standard pronunciation value, if be greater than, determines that volume value does not mate with standard pronunciation value, and shorten camera, to make the distance of camera and target person for transmission range corresponding to standard pronunciation value.Pass through the embodiment of the present invention, user terminal can according to the comparative result of volume value corresponding to current distance and standard pronunciation value, after determining that volume value corresponding to current distance does not mate with standard pronunciation value, the transmission range corresponding according to formulae discovery standard pronunciation value, shorten camera, to make the distance of camera and target person for transmission range corresponding to standard pronunciation value, like this, the standard pronunciation value that user just can listen to the most applicable ear to listen to this sound, thus can improve the audibility of sound.
Be apparatus of the present invention embodiment below, apparatus of the present invention embodiment, for performing the method in the inventive method embodiment, for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention, concrete ins and outs do not disclose, and please refer to said method embodiment of the present invention.
Refer to Fig. 4, Fig. 4 is the structural representation of a kind of user terminal disclosed in the embodiment of the present invention, and as shown in Figure 4, this user terminal 400 can comprise: open unit 401, first detecting unit 402, second detecting unit 403 and adjustment unit 404, wherein:
Open unit 401, for opening camera.
First detecting unit 402, for detecting the current distance of camera and target person.
In the embodiment of the present invention, after user terminal captures target person by the preview interface of camera, the first detecting unit 402 by built-in range sensor, can measure the current distance of camera and target person.Wherein, this target person is the current people taken of camera.
Second detecting unit 403, for detecting volume value corresponding to current distance.
In the embodiment of the present invention, when sound is propagated in atmosphere, the energy of sound source can be decayed along with the increase of propagation distance, and what show is exactly that the volume of sound can reduce along with the increase of propagation distance, and propagation distance is different, the volume of the sound heard also can be different, such as: sound source volume is 50dB, after propagation distance 3m, volume becomes 40dB, after propagation distance 6m, volume becomes 34dB.
Therefore, volume value corresponding to the current distance that the second detecting unit 403 detects is the volume value of the sound that receiver module (as microphone) that sound source is caught on camera head after the propagation of certain distance receives, instead of the volume value of sound source itself, obviously, the volume value that the current distance that detects of the second detecting unit 403 is corresponding is less than the volume value of sound source itself.
Adjustment unit 404, for judging whether volume value matches with standard pronunciation value, if do not mated, current distance is adjusted to the distance value that standard pronunciation value is corresponding.
In the embodiment of the present invention, adjustment unit 404 judges whether volume value matches with standard pronunciation value, wherein, the best volume value that this standard pronunciation value can pre-set for user, the i.e. the most applicable volume value listened to of user's ear, or this standard pronunciation value is the volume value of client terminal system default setting, the volume value of this default setting can for being applicable to the volume value that most people listen under normal circumstances.If adjustment unit 404 judges that volume value and standard pronunciation value match, show that current volume value is exactly best volume value, user terminal is without the need to regulating the current distance of camera and target person, if adjustment unit 404 judges that volume value does not mate with standard pronunciation value, show current volume value or bigger than normal, less than normal, user terminal needs the current distance regulating camera and target person, reaches standard pronunciation value to make volume value.
Refer to Fig. 5, Fig. 5 is the structural representation of another kind of user terminal disclosed in the embodiment of the present invention, wherein, user terminal shown in Fig. 5 is that the enterprising one-step optimization in basis of user terminal shown in Fig. 4 obtains, compared with the user terminal shown in Fig. 4, user terminal shown in Fig. 5 is except all unit comprising user terminal shown in Fig. 4, and the adjustment unit 404 shown in Fig. 5 can comprise:
Computation subunit 4041, for going out transmission range r corresponding to standard volume value according to the formulae discovery of volume decay with distance
2, wherein, formula is:
L
2＝L
1-20lg(r
2/r
1)
Wherein, L
1for the volume value that current distance is corresponding, L
2for standard pronunciation value, r
1for the current distance of camera and target person;
Judgment sub-unit 4042, for judging whether volume value is less than standard pronunciation value.
In the embodiment of the present invention, second detecting unit 403 is after the volume value that current distance is corresponding being detected, volume value corresponding for current distance compares with standard pronunciation value by judgment sub-unit 4042, three kinds of results may be there are, the first: volume value corresponding to current distance is less than standard pronunciation value, the second: volume value corresponding to current distance is greater than standard pronunciation value, the third: volume value corresponding to current distance equals standard pronunciation value.If the result is relatively the first or the second, then can determine that volume value does not mate with standard pronunciation value, if the result is relatively the third, then user terminal can process ends.Wherein, the best volume value that this standard pronunciation value can pre-set for user, the i.e. the most applicable volume value listened to of user's ear, or, this standard pronunciation value is the volume value of client terminal system default setting, and the volume value of this default setting can for being applicable to the volume value that most people listen under normal circumstances.
Extend subelement 4043, for when judgment sub-unit 4042 judges that described volume value is less than standard pronunciation value, determine that described volume value does not mate with standard pronunciation value, extend camera, to make the distance of camera and target person for transmission range r corresponding to standard pronunciation value
2.
In the embodiment of the present invention, when judgment sub-unit 4042 judges that volume value corresponding to current distance is less than standard pronunciation value, determine that volume value corresponding to current distance does not mate with standard pronunciation value, now, extend subelement 4043 to need to extend camera, the volume value of the sound received to make user terminal is this standard pronunciation value.
In the embodiment of the present invention, computation subunit 4041 goes out transmission range r corresponding to standard volume value according to the formulae discovery of volume decay with distance
2be less than the current distance r of camera and target person
1, therefore, extending subelement 4043 needs to extend camera, to reduce the distance of camera and target person, that is: makes camera be the transmission range r that standard pronunciation value is corresponding with the distance of target person
2.
It should be noted that, in the embodiment of the present invention, microphone is arranged on camera, and microphone can extend together with camera, and above-mentioned distance value can be understood as the distance of microphone and target person.
As the optional embodiment of one, the adjustment unit 404 shown in Fig. 5 can also comprise: shorten subelement 4044, wherein:
Shorten subelement 4044, for when described judgment sub-unit 4042 judges that described volume value is greater than standard pronunciation value, determine that described volume value does not mate with standard pronunciation value, shortening described camera, is the transmission range r that described standard pronunciation value is corresponding to make described camera and the distance of described target person
2.
In the embodiment of the present invention, when judgment sub-unit 4042 judges that volume value corresponding to current distance is greater than standard pronunciation value, determine that volume value corresponding to current distance does not mate with standard pronunciation value, now, shorten subelement 4044 to need to shorten camera, the volume value of the sound received to make user terminal is this standard pronunciation value.
In the embodiment of the present invention, computation subunit 4041 goes out transmission range r corresponding to standard volume value according to the formulae discovery of volume decay with distance
2be greater than the current distance r of camera and target person
1, therefore, shortening subelement 4044 needs to shorten camera, to increase the distance of camera and target person, that is: makes camera be the transmission range r that standard pronunciation value is corresponding with the distance of target person
2.
It should be noted that, in the embodiment of the present invention, microphone is arranged on camera, and microphone can shorten together with camera, and above-mentioned distance value can be understood as the distance of microphone and target person.
Refer to Fig. 6, Fig. 6 is the structural representation of another kind of user terminal disclosed in the embodiment of the present invention, wherein, user terminal shown in Fig. 6 is that the enterprising one-step optimization in basis of user terminal shown in Fig. 4 obtains, compared with the user terminal shown in Fig. 4, user terminal shown in Fig. 6 is except all unit comprising user terminal shown in Fig. 4, and the second detecting unit 403 shown in Fig. 6 can comprise:
Acoustic reception subelement 4031, for receiving the ambient sound of the sound comprising target person;
Filtering subelement 4032, for the sound characteristic according to the target person prestored, from the ambient sound received, filtering and the unmatched sound of sound characteristic, to obtain the sound of target person;
Detection sub-unit 4033, for from the sound of target person, detects the volume value of the sound of target person.
In this embodiment, due to the existence of target person surrounding environment sound, the sound that acoustic reception subelement 4031 receives, except the sound comprising target person, also comprises ambient sound, as the noise of surrounding, the sound etc. of other personages, therefore, filtering subelement 4032 needs the ambient sound around filtering, to obtain the sound of target person, such detection sub-unit 4033 just from the sound of target person, can detect the volume value of the sound of target person.
Particularly, user terminal can obtain the sound characteristic of this target person prestored, further, the sound characteristic of all sound is extracted from the ambient sound that acoustic reception subelement 4031 receives, the unmatched sound of sound characteristic of filtering subelement 4032 filtering and target person from the sound characteristic of all sound extracted, to obtain the sound of target person, further, detection sub-unit 4033, from the sound of the target person got, detects the volume value of the sound of target person.
Refer to Fig. 7, Fig. 7 is the structural representation of another kind of user terminal disclosed in the embodiment of the present invention, wherein, user terminal shown in Fig. 7 is that the enterprising one-step optimization in basis of user terminal shown in Fig. 4 obtains, compared with the user terminal shown in Fig. 4, user terminal shown in Fig. 7 is except all unit comprising user terminal shown in Fig. 4, and the unlatching unit 401 shown in Fig. 7 can comprise:
Receive subelement 4011, for receiving camera open command;
Export subelement 4012, for exporting for pointing out the information inputting information to be verified;
Above-mentioned reception subelement 4011, also for receiving the information to be verified of response information input;
Checking subelement 4013, for verifying that whether information to be verified is consistent with the default authorization information pre-set;
Open subelement 4014, for when verifying that information to be verified is consistent with default authorization information, response camera open command, opens camera.
In this embodiment, reception subelement 4011 can receive the camera open command that user operation target button triggers, and after receiving camera open command, exports subelement 4012 and output is used for pointing out the information inputting information to be verified; And export subelement 4012 and can export information input port to be verified for inputting information to be verified.
In this embodiment, this information to be verified can include but not limited to any one or a few the combination in password to be verified, finger print information to be verified, shape of face information to be verified, iris information to be verified, retinal information to be verified and voiceprint to be verified.
In this embodiment, this default authorization information pre-set can include but not limited to default authentication password, presets checking finger print information, preset checking shape of face information, presets checking iris information, presets checking retinal information and preset any one or a few the combination in checking voiceprint.
In this embodiment, above-mentioned default authorization information can comprise fingerprint string information and input time corresponding to each fingerprint; So correspondingly, verify that subelement 4013 is verified that whether information to be verified is consistent with default authorization information and can be comprised the following steps:
Whether checking fingerprint string is identical with the fingerprint string that default authorization information comprises, and whether the difference of the input time of identical fingerprints is all less than preset value, if checking fingerprint string is identical with the fingerprint string that default authorization information comprises, and the difference of the input time of identical fingerprints is all less than preset value, so can verify that information to be verified is consistent with default authorization information; Otherwise, verify information to be verified and default authorization information inconsistent.Wherein, by implementing this embodiment, can prevent disabled user from opening camera on the subscriber terminal, thus can effectively prevent user terminal from wantonly being operated by disabled user.
In the user terminal shown in Fig. 4 ~ Fig. 7, open unit 401 and open camera, first detecting unit 402 detects the current distance of camera and target person, and second detecting unit 403 detect volume value corresponding to current distance, further, adjustment unit 404 judges whether volume value matches with standard pronunciation value, if do not mated, current distance is adjusted to the distance value that standard pronunciation value is corresponding.Pass through the embodiment of the present invention, the no matter distance of the current distance of camera and target person, adjustment unit 404 is after judging that volume value corresponding to current distance does not mate with standard pronunciation value, all current distance can be adjusted to distance value corresponding to standard pronunciation value, like this, the standard pronunciation value that user just can listen to the most applicable ear to listen to this sound, thus can improve the audibility of sound.
It should be noted that, for each embodiment of the method aforesaid, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the application is not by the restriction of described sequence of movement, because according to the application, certain some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in instructions all belongs to preferred embodiment, and involved action and unit might not be that the application is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (10)
1. a rotating camera control method, is characterized in that, comprising:
Open camera;
Detect the current distance of described camera and target person;
Detect the volume value that described current distance is corresponding;
Judge whether described volume value matches with standard pronunciation value, if do not mated, described current distance is adjusted to distance value corresponding to described standard pronunciation value.
2. method according to claim 1, is characterized in that, describedly judges whether described volume value matches with standard pronunciation value, if do not mated, described current distance is adjusted to distance value corresponding to described standard pronunciation value, comprises:
Formulae discovery according to volume decay with distance goes out transmission range r corresponding to described standard pronunciation value
2, wherein, described formula is:
L
2＝L
1-20lg(r
2/r
1)
Wherein, described L
1for the volume value that described current distance is corresponding, L
2for described standard pronunciation value, r
1for the current distance of described camera and described target person;
Judge whether described volume value is less than standard pronunciation value, if be less than, determine that described volume value does not mate with standard pronunciation value;
Extending described camera, is the transmission range r that described standard pronunciation value is corresponding to make described camera and the distance of described target person
2.
3. method according to claim 2, is characterized in that, described method also comprises:
When judging that described volume value is greater than standard pronunciation value, determine that described volume value does not mate with standard pronunciation value;
Shortening described camera, is the transmission range r that described standard pronunciation value is corresponding to make described camera and the distance of described target person
2.
4. method according to claim 1, is characterized in that, the volume value that the described current distance of described detection is corresponding, comprising:
Receive the ambient sound comprising the sound of target person;
According to the sound characteristic of the described target person prestored, from the described ambient sound received, filtering and the unmatched sound of described sound characteristic, to obtain the sound of described target person;
From the sound of described target person, detect the volume value of the sound of described target person.
5. method according to claim 1, is characterized in that, described unlatching camera comprises:
Receive camera open command;
Export for pointing out the information inputting information to be verified;
Receive the information to be verified of the described information input of response;
Verify that whether described information to be verified is consistent with the default authorization information pre-set;
When verifying that described information to be verified is consistent with described default authorization information, response camera open command, opens camera.
6. a user terminal, is characterized in that, comprising:
Open unit, for opening camera;
First detecting unit, for detecting the current distance of described camera and target person;
Second detecting unit, for detecting volume value corresponding to described current distance;
Adjustment unit, for judging whether described volume value matches with standard pronunciation value, if do not mated, is adjusted to distance value corresponding to described standard pronunciation value by described current distance.
7. user terminal according to claim 6, is characterized in that, described adjustment unit comprises:
Computation subunit, for going out transmission range r corresponding to described standard pronunciation value according to the formulae discovery of volume decay with distance
2, wherein, described formula is:
L
2＝L
1-20lg(r
2/r
1)
Wherein, described L
1for the volume value that described current distance is corresponding, L
2for described standard pronunciation value, r
1for the current distance of described camera and described target person;
Judgment sub-unit, for judging whether described volume value is less than standard pronunciation value;
Extend subelement, for when described judgment sub-unit judges that described volume value is less than standard pronunciation value, determining that described volume value does not mate with standard pronunciation value, extend described camera, is the transmission range r that described standard pronunciation value is corresponding to make described camera and the distance of described target person
2.
8. user terminal according to claim 7, is characterized in that, described adjustment unit also comprises:
Shorten subelement, for when described judgment sub-unit judges that described volume value is greater than standard pronunciation value, determining that described volume value does not mate with standard pronunciation value, shorten described camera, is the transmission range r that described standard pronunciation value is corresponding to make described camera and the distance of described target person
2.
9. user terminal according to claim 6, is characterized in that, described second detecting unit comprises:
Acoustic reception subelement, for receiving the ambient sound of the sound comprising target person;
Filtering subelement, for the sound characteristic according to the described target person prestored, from the described ambient sound received, filtering and the unmatched sound of described sound characteristic, to obtain the sound of described target person;
Detection sub-unit, in the sound from described target person, detects the volume value of the sound of described target person.
10. user terminal according to claim 6, is characterized in that, described unlatching unit comprises:
Receive subelement, for receiving camera open command;
Export subelement, for exporting for pointing out the information inputting information to be verified;
Described reception subelement, also for receiving the information to be verified of the described information input of response;
Checking subelement, for verifying that whether described information to be verified is consistent with the default authorization information pre-set;
Open subelement, for when verifying that described information to be verified is consistent with described default authorization information, response camera open command, opens camera.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510260809.2A CN104898836B (en) | 2015-05-19 | 2015-05-19 | A kind of rotating camera adjusting method and user terminal |
| CN201711077717.6A CN107885329B (en) | 2015-05-19 | 2015-05-19 | Rotary camera adjusting method and user terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510260809.2A CN104898836B (en) | 2015-05-19 | 2015-05-19 | A kind of rotating camera adjusting method and user terminal |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711077717.6A Division CN107885329B (en) | 2015-05-19 | 2015-05-19 | Rotary camera adjusting method and user terminal |
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| Publication Number | Publication Date |
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| CN104898836A true CN104898836A (en) | 2015-09-09 |
| CN104898836B CN104898836B (en) | 2017-11-24 |
Family
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|---|---|---|---|
| CN201711077717.6A Expired - Fee Related CN107885329B (en) | 2015-05-19 | 2015-05-19 | Rotary camera adjusting method and user terminal |
| CN201510260809.2A Expired - Fee Related CN104898836B (en) | 2015-05-19 | 2015-05-19 | A kind of rotating camera adjusting method and user terminal |
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| CN201711077717.6A Expired - Fee Related CN107885329B (en) | 2015-05-19 | 2015-05-19 | Rotary camera adjusting method and user terminal |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104898836B (en) | 2017-11-24 |
| CN107885329B (en) | 2021-04-16 |
| CN107885329A (en) | 2018-04-06 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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