CN101483413A - Method, apparatus and loudspeaker for volume regulation - Google Patents
Method, apparatus and loudspeaker for volume regulation Download PDFInfo
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Abstract
The present invention discloses a sound volume adjusting method which comprises acquiring distance information between a sound volume control end and a loudspeaker box, and then adjusting sound volume of the loudspeaker box according to acquired distance information. The invention also provides a sound volume adjusting device and a loudspeaker box, and acquires distance information between the sound volume control end and the loudspeaker box through capacitance distance measurement or infrared distance measurement or ultrasonic measurement, then adjust sound volume of the loudspeaker box according to acquired distance information, design clue mark to remind user on loudspeaker box appearance, add clear and intuitive operation clue to users, and increase usage experience.
Description
Technical Field
The present invention relates to volume control technologies, and in particular, to a volume adjusting method and apparatus, and a sound box.
Background
The sound box is widely applied to daily life of people as a sound production device, and the volume of the sound box is often required to be adjusted in application. In the prior art, the volume is usually adjusted by rotating a potentiometer or a touch switch and adding a corresponding control circuit, and a user only needs to rotate the potentiometer or press the touch switch to adjust the volume of the sound box. However, in the volume adjustment method in the prior art, the user needs to touch the corresponding rotary potentiometer or touch the switch to adjust the volume, so that the user cannot clearly and intuitively prompt the user to operate, and the operation is inconvenient and lacks flexibility.
Disclosure of Invention
In view of the above, the present invention mainly aims to provide a method and an apparatus for adjusting volume, and a sound box, so as to solve the problems that the volume adjusting method in the prior art cannot give clear and intuitive operation prompts to users, and is inconvenient to operate.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the invention provides a method for adjusting volume, which comprises the following steps:
acquiring distance information between a volume control end and a sound box;
and adjusting the volume of the sound box according to the acquired distance information.
The obtaining of the distance information between the volume control end and the sound box is as follows: and measuring the distance between the volume control end and the sound box through capacitance ranging, infrared ranging or ultrasonic ranging to obtain distance information.
The volume of the sound box is adjusted according to the acquired distance information as follows:
setting and storing the corresponding relation between the distance information and the volume;
searching the volume corresponding to the distance information in the corresponding relation according to the acquired distance information, and generating a volume control signal according to the volume;
and adjusting the volume according to the generated volume control signal.
The volume of the sound box is adjusted according to the acquired distance information as follows:
setting and storing a corresponding relation between the distance information and the volume change speed;
searching the volume change speed corresponding to the distance information in the corresponding relation according to the acquired distance information, and generating a volume control signal according to the volume change speed;
and adjusting the volume change speed according to the generated volume control signal.
The invention also provides a device for adjusting the volume, which comprises: a distance acquisition unit and a volume adjustment unit connected to each other; wherein,
the distance acquisition unit is used for acquiring distance information between the volume control end and the sound box and providing the distance information for the volume adjustment unit;
and the volume adjusting unit is used for adjusting the volume of the sound box according to the acquired distance information.
The distance acquiring unit specifically includes: the measurement subunit and the information acquisition subunit are connected with each other; wherein,
the measuring subunit is used for measuring the distance between the volume control end and the sound box through capacitance ranging, infrared ranging or ultrasonic ranging;
and the information acquisition subunit is used for acquiring the measured distance information.
The volume adjusting unit specifically includes: a corresponding relation setting subunit, a volume control signal generating subunit and a volume adjusting subunit; wherein,
the corresponding relation setting subunit is used for setting and storing the corresponding relation between the distance information and the volume or the corresponding relation between the distance information and the volume change speed, and providing the corresponding relation to the volume control signal generating subunit;
the volume control signal generating subunit is configured to search, according to the obtained distance information, a volume size or a volume change speed corresponding to the distance information in the correspondence, and generate a volume control signal according to the volume size or the volume change speed, and provide the volume control signal to the volume adjusting subunit;
and the volume adjusting subunit is used for adjusting the volume or the volume change speed according to the generated volume control signal.
The present invention also provides a sound box, comprising: the device comprises a distance acquisition unit, a volume adjustment unit and at least one loudspeaker; wherein,
the distance acquisition unit is used for acquiring distance information between the volume control end and the sound box and providing the distance information for the volume adjustment unit;
the volume adjusting unit is connected with the distance acquiring unit and is used for adjusting the volume of the loudspeaker of the sound box according to the acquired distance information;
the loudspeaker is connected with the volume adjusting unit and used for sounding according to the volume adjustment of the volume adjusting unit.
The distance acquiring unit specifically includes: the measurement subunit and the information acquisition subunit are connected with each other; wherein,
the measuring subunit is used for measuring the distance between the volume control end and the sound box through capacitance ranging, infrared ranging or ultrasonic ranging;
and the information acquisition subunit is used for acquiring the measured distance information.
The volume adjusting unit specifically includes: a corresponding relation setting subunit, a volume control signal generating subunit and a volume adjusting subunit; wherein,
the corresponding relation setting subunit is used for setting and storing the corresponding relation between the distance information and the volume or the corresponding relation between the distance information and the volume change speed, and providing the corresponding relation to the volume control signal generating subunit;
the volume control signal generating subunit is configured to search, according to the obtained distance information, a volume size or a volume change speed corresponding to the distance information in the correspondence, and generate a volume control signal according to the volume size or the volume change speed, and provide the volume control signal to the volume adjusting subunit;
and the volume adjusting subunit is used for adjusting the volume or the volume change speed according to the generated volume control signal.
According to the method and the device for adjusting the sound volume and the sound box, the distance information between the sound volume control end and the sound box is acquired in a capacitance ranging mode, an infrared ranging mode, an ultrasonic ranging mode and the like, the sound volume of the sound box is adjusted according to the acquired distance information, and the method and the device for adjusting the sound volume are simple, convenient and flexible to implement; in addition, the prompt mark is designed on the appearance of the sound box to remind a user, so that the operation prompt can be more clear and intuitive for the user, and the use experience of the user is improved.
Drawings
FIG. 1 is a flow chart of a method for adjusting volume according to the present invention;
fig. 2 is a schematic diagram of volume adjustment according to a first embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating volume adjustment according to a second embodiment of the present invention;
fig. 4 is a schematic view of a composition structure of a sound box according to the present invention.
Detailed Description
The technical solution of the present invention is further elaborated below with reference to the drawings and the specific embodiments.
The volume adjusting method of the invention firstly obtains the distance information between the volume control end and the sound box through the capacitance ranging, the infrared ranging, the ultrasonic ranging and other modes, and then adjusts the volume of the sound box according to the obtained distance information. The volume adjusting method can be realized by adopting a volume adjusting device, and the volume adjusting device can be arranged on a sound box.
As shown in fig. 1, fig. 1 is a flow chart of a method for adjusting volume according to the present invention, which mainly includes the following steps:
The volume adjusting device measures the distance between the volume control end and the sound box through capacitance ranging, infrared ranging or ultrasonic ranging, and obtains the distance information obtained through measurement. The volume control end in the invention can be a human body or a human hand, and can also be other objects which can be detected by the probe.
And 102, adjusting the volume of the sound box by the volume adjusting device according to the acquired distance information.
The volume adjusting device searches for a preset corresponding relation between volume size and distance or a preset corresponding relation between volume change speed and distance according to the acquired distance information, generates a corresponding volume control signal according to the searched volume value or volume change speed value corresponding to the distance information, and adjusts the volume according to the generated volume control signal. The volume adjusting device can generate a control signal for adjusting the volume according to the acquired distance information and adjust the volume according to the control signal; or generating a control signal for adjusting the volume change speed according to the acquired distance information, and adjusting the volume change speed according to the control signal.
The following describes an embodiment of adjusting the volume according to the present invention in detail with reference to a schematic diagram of adjusting the volume according to the first embodiment of the present invention shown in fig. 2. In order to achieve the purpose of prompting the user, a prompting mark is arranged at a proper position on the sound box, so that the user can clearly and visually find the position of volume adjustment, the prompting mark can be arranged into various physical shapes such as a cylinder shape, a square cylinder shape or other shapes according to actual needs, and the physical shapes can be marked by special symbols. In the first embodiment of the present invention, a prompt mark is disposed on a corner of the sound box, as shown by the hatched portion in fig. 2, and a probe is disposed at a position corresponding to the prompt mark for detecting whether the volume control end exists.
The corresponding relationship between the volume and the distance is preset, for example: setting the range as follows: s1～SnN is not less than 1, and n is an integer, S1Representing the closest distance between the volume control terminal and the loudspeaker box, SnRepresenting the maximum distance between the volume control terminal and the loudspeaker box, of course SnNeed to be within the detectable range of the probe; the adjustment range of the set volume is as follows: v1～VnN is not less than 1, n is an integer, V1Representing maximum volume, VnRepresents a minimum volume; then establishes the slave S1To SnWith the distance values of the items from V1To VnThe most distant distance SnCorresponding to minimum sound volume VnNearest distance S1Corresponding to the maximum sound volume V1The median value may correspond to a certain criterion, for example: a unit distance corresponds to a unit volume, or the distance is increased or decreased in proportion to the volume, and so on.
When the volume control end is positioned in the detection range of the probe, the sound box measures distance through capacitance, infrared or ultrasonic wavesMeasuring the distance to obtain the vertical distance between the volume control end and the surface of the sound box probe, searching the corresponding relation between the set volume and the distance according to the obtained distance, finding the volume corresponding to the measured distance, generating a corresponding volume control signal to output to the power amplifier, and pushing the loudspeaker to sound by the power amplifier with corresponding power, thereby adjusting the volume of the sound box to the corresponding volume. For example: measuring to obtain a distance S1Then adjust the volume to V1The above step (1); measuring to obtain a distance SnThen adjust the volume to VnThe above. Therefore, if the volume of the sound box needs to be adjusted, only the vertical distance between the volume control end and the sound box needs to be changed, and if the volume needs to be adjusted to be increased, the volume control end is moved close to the sound box along the direction vertical to the surface of the probe; and if the volume needs to be reduced, the volume control end is far away from the sound box along the direction vertical to the surface of the probe. After the volume is adjusted, the sound box can sound according to the volume at the last moment before the volume control end is moved away only by moving the volume control end parallel to the surface of the probe.
The following describes an embodiment of adjusting the volume change speed according to the present invention in detail with reference to a schematic diagram of volume adjustment shown in fig. 3. As shown in fig. 3, different from the embodiment shown in fig. 2, in the second embodiment of the present invention, volume up and volume down operations are separately controlled, volume up end prompt flags and volume down end prompt flags are respectively set at different positions on a sound box, and the prompt flags are physically distinguished, for example: the volume-up end prompting mark is set to be a larger cylinder shape, and the volume-down end prompting mark is set to be a smaller cylinder shape, and can be marked by special symbols on the physical shape.
In the second embodiment of the present invention, the volume up end prompt mark and the volume down end prompt mark are respectively disposed at two corners of the sound box, as shown by the hatched portions in fig. 3, and the volume up end and the volume down end are respectively provided with a probe for detecting whether the volume control end exists or not.
Presetting volume change speed and distanceThe corresponding relationship of the distances, for example: setting the range as follows: s1～SnN is not less than 1, and n is an integer, S1Representing the closest distance between the volume control terminal and the loudspeaker box, SnRepresenting the maximum distance between the volume control terminal and the loudspeaker box, of course SnNeed to be within the detectable range of the probe; the adjustment range of the volume change speed is as follows: h1～HnN is not less than 1, and n is an integer, H1Representing the maximum speed of change of volume, HnRepresents a minimum volume change speed; then establishes the slave S1To SnWith the distance values from H1To HnThe one-to-one correspondence of the volume change speeds of the respective items in (1), the farthest distance SnCorresponding to the minimum volume change speed HnNearest distance S1Corresponding to the maximum volume change speed H1The median value may correspond to a certain criterion, for example: one unit distance corresponds to one unit volume change speed, or the distance and the volume change speed are increased or decreased in proportion, and the like.
When the volume control end moves to the detection range of the volume increasing end probe, the sound box measures the vertical distance between the volume control end and the surface of the sound box probe through capacitance ranging, infrared ranging, ultrasonic ranging and other modes, searches the corresponding relation between the set volume change speed and the distance according to the obtained distance, finds the volume increasing speed corresponding to the measured distance, generates a volume control signal corresponding to the volume increasing speed, outputs the volume control signal to the power amplifier, and controls the increasing speed of the horn sound through the power amplifier. For example: measuring to obtain a distance S1Then the change speed of the volume of the sound box to be adjusted to be large is controlled to be H1(ii) a Measuring to obtain a distance SnThen the change speed of the volume of the sound box to be adjusted to be large is controlled to be Hn. Therefore, when the volume control end moves close to the volume increasing end of the sound box along the direction vertical to the surface of the probe, the volume increasing speed of the sound box is faster and faster; when the volume control end is far away from the volume increasing end of the sound box along the direction vertical to the surface of the probe, the speed of increasing the volume of the sound box is slower and slower. After the volume is adjusted, only the volume of the sound is adjustedThe volume control end moves away from the surface of the probe in parallel, and the sound box can sound according to the volume of the last moment before the volume control end moves away.
When the volume control end moves into the detection range of the volume reducing end probe, the sound box measures the vertical distance between the volume control end and the surface of the sound box probe through capacitance ranging, infrared ranging or ultrasonic ranging and the like, the corresponding relation between the set volume change speed and the distance is searched according to the obtained distance, the volume reducing speed corresponding to the measured distance is found, a volume control signal corresponding to the volume reducing speed is generated and output to the power amplifier, and the power amplifier controls the reducing speed of the sound of the horn. For example: measuring to obtain a distance S1Then the change speed of the sound volume of the sound box to small adjustment is controlled to be H1(ii) a Measuring to obtain a distance SnThen the change speed of the sound volume of the sound box to small adjustment is controlled to be Hn. Therefore, when the volume control end moves close to the volume reducing end of the sound box along the direction vertical to the surface of the probe, the volume of the sound box is reduced more and more quickly; when the volume control end is far away from the volume reducing end of the sound box along the direction vertical to the surface of the probe, the speed of reducing the volume of the sound box is slower and slower. After the volume is adjusted, the sound box can sound according to the volume at the last moment before the volume control end is moved away only by moving the volume control end parallel to the surface of the probe.
In practical applications, the distance S in the above embodiment of the present invention1～SnCan be arranged in distance segments, for example: setting S1Is 0 to 2 centimeters (cm) and S22 to 4cm, S34-6 cm, etc. In addition, the interval difference values of the distance segments may be set to be unequal, for example: setting S1Is 0 to 2 centimeters (cm) and S22 to 5cm, S35-10 cm, etc.
In order to implement the above volume adjustment method, the present invention further provides a sound box, as shown in fig. 4, including: a distance acquisition unit 100, a volume adjustment unit 200, and a speaker 300. The distance obtaining unit 100 is configured to obtain distance information between the volume control end and the sound box, and provide the distance information to the volume adjusting unit 200; the volume adjusting unit 200 is connected to the distance acquiring unit 100 and is used for adjusting the volume of the sound box according to the acquired distance information; the speakers 300 are connected to the volume adjustment unit 200 for generating sound according to the volume adjustment of the volume adjustment unit 200, and there may be a plurality of speakers 300.
Wherein, the distance obtaining unit 100 further includes: a measurement subunit 110 and an information acquisition subunit 120 connected to each other. A measuring subunit 110, configured to measure a distance between the volume control end and the sound box through capacitance ranging, infrared ranging, or ultrasonic ranging; an information obtaining subunit 120, configured to obtain the measured distance information.
Wherein, the volume adjusting unit 200 further includes: a correspondence setting subunit 210, a volume control signal generating subunit 220, and a volume adjusting subunit 230. The corresponding relation setting subunit 210 is configured to set and store a corresponding relation between the distance information and the volume level or a corresponding relation between the distance information and the volume change speed, and provide the corresponding relation to the volume control signal generating subunit 220. A volume control signal generating subunit 220, connected to the corresponding relationship setting subunit 210, and configured to generate a volume control signal according to the acquired distance information, and provide the volume control signal to the volume adjusting subunit 230, where the volume control signal generating subunit 210 may generate a control signal for adjusting the volume according to the acquired distance information, and may also generate a control signal for adjusting the volume change speed according to the acquired distance information; a volume adjusting subunit 230, connected to the volume control signal generating subunit 220, for adjusting the volume according to the generated volume control signal, and if a control signal for adjusting the volume is generated, adjusting the volume of the sound box according to the control signal; and if a control signal for adjusting the volume change speed is generated, adjusting the volume change speed of the sound box according to the control signal.
In summary, the volume adjustment method of the present invention adjusts the volume of the sound box according to the distance information between the volume control end and the sound box obtained by measurement, and designs the prompt mark on the appearance of the sound box to remind the user, so that the user can be more clearly and intuitively prompted to operate, and the user experience is improved. The volume adjusting device can be applied to the traditional sound box, the sound box of a computer, the sound boxes of various household appliances, various generating devices needing to adjust the size of the sound of a loudspeaker and accessory devices thereof.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (10)
1. A method of volume adjustment, the method comprising:
acquiring distance information between a volume control end and a sound box;
and adjusting the volume of the sound box according to the acquired distance information.
2. The method for adjusting sound volume according to claim 1, wherein the obtaining of the distance information between the sound volume control end and the sound box is: and measuring the distance between the volume control end and the sound box through capacitance ranging, infrared ranging or ultrasonic ranging to obtain distance information.
3. The method for adjusting the volume according to claim 1, wherein the adjusting the volume of the sound box according to the acquired distance information comprises:
setting and storing the corresponding relation between the distance information and the volume;
searching the volume corresponding to the distance information in the corresponding relation according to the acquired distance information, and generating a volume control signal according to the volume;
and adjusting the volume according to the generated volume control signal.
4. The method for adjusting the volume according to claim 1, wherein the adjusting the volume of the sound box according to the acquired distance information comprises:
setting and storing a corresponding relation between the distance information and the volume change speed;
searching the volume change speed corresponding to the distance information in the corresponding relation according to the acquired distance information, and generating a volume control signal according to the volume change speed;
and adjusting the volume change speed according to the generated volume control signal.
5. An apparatus for volume adjustment, comprising: a distance acquisition unit and a volume adjustment unit connected to each other; wherein,
the distance acquisition unit is used for acquiring distance information between the volume control end and the sound box and providing the distance information for the volume adjustment unit;
and the volume adjusting unit is used for adjusting the volume of the sound box according to the acquired distance information.
6. The volume adjustment device according to claim 5, wherein the distance acquisition unit specifically includes: the measurement subunit and the information acquisition subunit are connected with each other; wherein,
the measuring subunit is used for measuring the distance between the volume control end and the sound box through capacitance ranging, infrared ranging or ultrasonic ranging;
and the information acquisition subunit is used for acquiring the measured distance information.
7. The volume adjustment device according to claim 5, wherein the volume adjustment unit specifically comprises: a corresponding relation setting subunit, a volume control signal generating subunit and a volume adjusting subunit; wherein,
the corresponding relation setting subunit is used for setting and storing the corresponding relation between the distance information and the volume or the corresponding relation between the distance information and the volume change speed, and providing the corresponding relation to the volume control signal generating subunit;
the volume control signal generating subunit is configured to search, according to the obtained distance information, a volume size or a volume change speed corresponding to the distance information in the correspondence, and generate a volume control signal according to the volume size or the volume change speed, and provide the volume control signal to the volume adjusting subunit;
and the volume adjusting subunit is used for adjusting the volume or the volume change speed according to the generated volume control signal.
8. An acoustic enclosure, comprising: the device comprises a distance acquisition unit, a volume adjustment unit and at least one loudspeaker; wherein,
the distance acquisition unit is used for acquiring distance information between the volume control end and the sound box and providing the distance information for the volume adjustment unit;
the volume adjusting unit is connected with the distance acquiring unit and is used for adjusting the volume of the loudspeaker of the sound box according to the acquired distance information;
the loudspeaker is connected with the volume adjusting unit and used for sounding according to the volume adjustment of the volume adjusting unit.
9. The loudspeaker of claim 8, wherein the distance obtaining unit specifically comprises: the measurement subunit and the information acquisition subunit are connected with each other; wherein,
the measuring subunit is used for measuring the distance between the volume control end and the sound box through capacitance ranging, infrared ranging or ultrasonic ranging;
and the information acquisition subunit is used for acquiring the measured distance information.
10. The sound box according to claim 8, wherein the volume adjusting unit specifically comprises: a corresponding relation setting subunit, a volume control signal generating subunit and a volume adjusting subunit; wherein,
the corresponding relation setting subunit is used for setting and storing the corresponding relation between the distance information and the volume or the corresponding relation between the distance information and the volume change speed, and providing the corresponding relation to the volume control signal generating subunit;
the volume control signal generating subunit is configured to search, according to the obtained distance information, a volume size or a volume change speed corresponding to the distance information in the correspondence, and generate a volume control signal according to the volume size or the volume change speed, and provide the volume control signal to the volume adjusting subunit;
and the volume adjusting subunit is used for adjusting the volume or the volume change speed according to the generated volume control signal.
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| CNA2008100557113A CN101483413A (en) | 2008-01-07 | 2008-01-07 | Method, apparatus and loudspeaker for volume regulation |
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| CNA2008100557113A CN101483413A (en) | 2008-01-07 | 2008-01-07 | Method, apparatus and loudspeaker for volume regulation |
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| CN110753288A (en) * | 2018-07-23 | 2020-02-04 | 中国电信股份有限公司 | Method and system for automatically adjusting sound volume of sound box |
| CN110324703A (en) * | 2019-07-31 | 2019-10-11 | 福建捷联电子有限公司 | A kind of dynamic volume method of adjustment of audio-visual equipment |
| CN110570832A (en) * | 2019-09-29 | 2019-12-13 | 湖北美和易思教育科技有限公司 | internet-of-things air electronic organ |
| CN110570832B (en) * | 2019-09-29 | 2022-03-11 | 湖北美和易思教育科技有限公司 | Internet-of-things air electronic organ |
| WO2021082963A1 (en) * | 2019-10-28 | 2021-05-06 | 华为技术有限公司 | Electronic device and playing control method therefor |
| CN112073874A (en) * | 2020-08-27 | 2020-12-11 | 华南理工大学 | Volume control system for intelligent sound box and control method thereof |
| CN113115288A (en) * | 2021-04-07 | 2021-07-13 | 维沃移动通信有限公司 | Communication network system and communication method |
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Application publication date: 20090715 |