CN113992781A - Volume control method and device, electronic equipment and computer readable storage medium - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
Abstract
The application discloses a volume control method, a volume control device, an electronic device and a non-volatile computer readable storage medium. The volume control method comprises the steps of obtaining the volume of environmental noise and the playing volume of the electronic equipment; calculating the difference value between the playing volume and the ambient noise volume; and sending out prompt information when the difference value is larger than a preset threshold value. Through the volume that acquires ambient noise and electronic equipment's broadcast volume, and calculate difference between them, when the difference is too big, the scene of audio frequency is put at the electronic equipment outsides, the broadcast volume can be far greater than the ambient noise volume, electronic equipment's broadcast audio frequency may influence other users of current scene this moment, therefore, electronic equipment can send the prompt message this moment, too big with the current broadcast volume of warning user, thereby reduce the broadcast volume, so that the difference of broadcast volume and ambient noise volume can not be too big, when guaranteeing good broadcast and experiencing, also can prevent to broadcast the audio frequency to make a noise other users of current scene.
Description
Technical Field
The present application relates to the field of audio processing technologies, and in particular, to a volume control method, a volume control device, an electronic device, and a non-volatile computer-readable storage medium.
Background
At present, along with the development of audio technology, in order to realize better audio playing experience, general electronic equipment has all built-in speakers in order to carry out audio playing, however, audio playing easily influences other people, and therefore, how to guarantee that good audio playing experience is the problem that needs to be solved urgently under the condition that other people are not influenced.
Disclosure of Invention
The embodiment of the application provides a volume control method, a volume control device, an electronic device and a non-volatile computer readable storage medium.
The volume control method comprises the steps of obtaining the volume of environmental noise and the playing volume of electronic equipment; calculating the difference value between the playing volume and the ambient noise volume; and sending out prompt information when the difference value is larger than a preset threshold value.
The volume control device comprises an acquisition module, a calculation module and a prompt module. The acquisition module is used for acquiring the volume of environmental noise and the playing volume of the electronic equipment; the computing module is used for computing the difference value between the playing volume and the ambient noise volume; and the prompting module is used for sending out prompting information when the difference value is larger than a preset threshold value.
The electronic device of the embodiment of the application comprises a processor. The processor is used for acquiring the volume of environmental noise and the playing volume of the electronic equipment; calculating the difference value between the playing volume and the ambient noise volume; and sending out prompt information when the difference value is larger than a preset threshold value.
The non-transitory computer-readable storage medium of the embodiments of the present application contains a computer program that, when executed by one or more processors, causes the processors to perform a volume control method. The volume control method comprises the steps of obtaining the volume of environmental noise and the playing volume of the electronic equipment; calculating the difference value between the playing volume and the ambient noise volume; and sending out prompt information when the difference value is larger than a preset threshold value.
The volume control method, the volume control device, the electronic device and the non-volatile computer readable storage medium of the embodiment of the application, by obtaining the volume of the environmental noise and the playing volume of the electronic equipment and calculating the difference value of the two, when the difference is too large (e.g., when the difference is greater than the preset threshold), in a scene where the audio is played outside the electronic device, the playing volume may be much greater than the ambient noise volume, and at this time, the playing audio of the electronic device may affect other users in the current scene, therefore, the electronic device can send out prompt information to remind the user that the current playing volume is too large, thereby reducing the playing volume, so that the difference between the playing volume and the ambient noise volume is not too large, therefore, the playing volume can not be covered by the environmental noise, and other users playing the audio noise to the current scene can be prevented while good playing experience is ensured.
Additional aspects and advantages of embodiments of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments of the present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic flow chart diagram of a volume control method according to some embodiments of the present application;
FIG. 2 is a schematic view of a volume control device according to some embodiments of the present application;
FIG. 3 is a schematic plan view of an electronic device of some embodiments of the present application;
FIG. 4 is a schematic flow chart diagram of a volume control method according to some embodiments of the present application;
FIG. 5 is a schematic flow chart diagram of a volume control method according to some embodiments of the present application;
FIG. 6 is a schematic diagram illustrating a volume control method according to some embodiments of the present application;
FIG. 7 is a schematic diagram illustrating a volume control method according to some embodiments of the present application;
FIG. 8 is a schematic flow chart diagram of a volume control method according to some embodiments of the present application;
FIG. 9 is a schematic diagram of a scenario of a volume control method according to some embodiments of the present application; and
FIG. 10 is a schematic diagram of a connection state of a non-volatile computer readable storage medium and a processor of some embodiments of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the embodiments of the present application, and are not to be construed as limiting the embodiments of the present application.
Referring to fig. 1 to 3, a volume control method is provided in an embodiment of the present disclosure. The volume control method comprises the following steps:
011: acquiring the volume of ambient noise and the playing volume of the electronic device 100;
012: calculating the difference value between the playing volume and the ambient noise volume; and
013: and sending out prompt information when the difference value is larger than a preset threshold value.
The embodiment of the present application provides a volume control device 10. The volume control device 10 includes an acquisition module 11, a calculation module, and a prompt module 13. The volume control method according to the embodiment of the present application is applicable to the volume control device 10. The obtaining module 11 is configured to perform step 011, the calculating module 12 is configured to perform step 012, and the prompting module 13 is configured to perform step 013. Namely, the obtaining module 11 is configured to obtain the ambient noise volume and the playback volume of the electronic device 100; the calculating module 12 is used for calculating a difference value between the playing volume and the ambient noise volume; the prompting module 13 is configured to send a prompting message when the difference is greater than a preset threshold.
The embodiment of the application also provides the electronic device 100. The electronic device 100 comprises a processor 20. The volume control method according to the embodiment of the present application can be applied to the electronic device 100. Processor 20 is configured to perform step 011, step 012, and step 013. That is, the processor 20 is configured to obtain the ambient noise volume and the playback volume of the electronic device 100; calculating the difference value between the playing volume and the ambient noise volume; and sending out prompt information when the difference value is larger than a preset threshold value.
Wherein the electronic device 100 further comprises a housing 30. The electronic device 100 may be a cell phone, a tablet computer, a display device, a notebook computer, a teller machine, a gate, a smart watch, a head-up display device, a game console, etc. As shown in fig. 3, in the embodiment of the present application, the electronic device 100 is a mobile phone as an example, and it is understood that the specific form of the electronic device 100 is not limited to the mobile phone. The housing 30 may also be used to mount functional modules of the electronic device 100, such as a display device, an imaging device, a power supply device, and a communication device, so that the housing 30 provides protection for the functional modules, such as dust prevention, drop prevention, and water prevention.
Specifically, the electronic device 100 further includes a microphone 40, the microphone 40 can acquire an ambient noise signal of the current scene in real time, and the processor 20 can obtain the volume of the ambient noise by processing the ambient noise signal, for example, the processor 20 calculates the loudness of the ambient noise according to the frequency information of the ambient noise signal, so as to determine the volume of the ambient noise.
Then, the processor 20 directly obtains the current playing volume to calculate a difference between the playing volume and the ambient noise volume, and when the difference is greater than the preset threshold, it indicates that the playing volume is much greater than the ambient noise volume, and at this time, although the user can clearly hear the played audio, the electronic device 100 may noise other users in the current scene if in the external mode, and therefore, the processor 20 may send a prompt message to prompt the user to reduce the volume to prevent noise to other users. The preset threshold may be a volume that a user feels loud in a quiet indoor scene, may be set by the user in a customized manner, or may be set according to an empirical value.
In other embodiments, when the electronic device 100 is in the earphone playing mode and the difference is greater than the preset threshold, it is determined whether the playing volume is greater than the preset playing threshold (for example, the preset playing threshold is 80%, 90% or the like of the maximum volume of the electronic device 100), and if so, the prompt message is sent.
When the electronic device 100 is in the earphone playing mode, the difference value larger than the preset threshold may be caused by a large noise in the external environment, and a user adjusts the playing volume in order to clearly hear the played audio; if the difference is greater than the preset threshold, it may be that the external environment noise is not large, but is only caused by the large adjustment of the playing volume; therefore, when the difference is greater than the preset threshold, the processor 20 may determine whether the ear may be injured by determining whether the current volume is greater than the predetermined playing threshold, so as to more accurately send out the prompt message to prompt the user to reduce the volume to prevent the ear from being injured.
The volume control method, the volume control device 10 and the electronic device 100 according to the embodiment of the present application, by obtaining the volume of the environmental noise and the playing volume of the electronic device 100, and calculating a difference between the volume of the environmental noise and the playing volume of the electronic device 100, when the difference is too large (if the difference is greater than a preset threshold), the playing volume is far greater than the volume of the environmental noise in the scenario where the electronic device 100 externally plays audio, and the playing audio of the electronic device 100 may affect other users in the current scenario at this time, therefore, the electronic device 100 may send a prompt message to remind the user that the current playing volume is too large, thereby reducing the playing volume, so that the difference between the playing volume and the volume of the environmental noise is not too large, thereby the playing volume is not masked by the environmental noise, and while ensuring good playing experience, it is also possible to prevent the playing audio from being noisy to other users in the current scenario.
Referring to fig. 2 to 4, in some embodiments, the volume control method further includes:
014: determining the current scene type according to the characteristic information of the environmental noise;
015: and determining a preset threshold value according to the scene type.
In some embodiments, the volume control apparatus 10 further comprises a first determination module 14 and a second determination module 15, and the first determination module 14 and the second determination module 15 are configured to perform steps 014 and 015, respectively. Namely, the first determining module 14 is configured to determine a current scene type according to the characteristic information of the ambient noise; the second determining module 15 is configured to determine a preset threshold according to the scene type.
In certain embodiments, processor 20 is further configured to perform steps 014 and 015. Namely, the processor 20 is configured to determine a current scene type according to the characteristic information of the ambient noise; and determining a preset threshold value according to the scene type.
Specifically, after acquiring the ambient noise signal, the processor 20 may process the ambient noise signal to acquire the characteristic information of the ambient noise, for example, the processor 20 may perform fourier transform on the ambient noise signal to obtain frequency information of the ambient noise, so as to acquire the characteristic information of the ambient noise, for example, the characteristic information includes distribution and proportion of signals with different frequencies in the frequency information, it may be understood that, in different scenes, the distribution and proportion of the frequency information are different, for example, in a noisy street, a car whistle ratio is large, in an indoor environment, a human voice ratio is large, and the like, and thus, the processor 20 may determine the current scene type according to the characteristic information.
In different scenes, the threshold value that people feel noisy is also different, for example, the preset threshold value in a quiet room is smaller than the preset threshold value in a noisy street, so that the preset threshold value most suitable for the current scene can be determined according to different scene types, and the accuracy of sending prompt information is ensured.
Referring to fig. 2, 3 and 5, in the volume control method according to the embodiment of the present application, step 011: acquiring the volume of ambient noise, comprising the following steps:
0111: acquiring frequency information of environmental noise;
0112: determining compensation corresponding to signals of each frequency in frequency information according to a preset mapping curve, determining the preset mapping curve according to equal loudness curves of different loudness, and enabling the signals of each frequency to correspond to the compensation one by one in the mapping curve;
0113: and calculating the volume of the environmental noise according to the signal of each frequency and the corresponding compensation of the signal of each frequency.
In some embodiments, the obtaining module 11 is further configured to perform step 0111, step 0112, and step 0113. Namely, the obtaining module 11 is further configured to obtain frequency information of the environmental noise; determining compensation corresponding to signals of each frequency in frequency information according to a preset mapping curve, determining the preset mapping curve according to equal loudness curves of different loudness, and enabling the signals of each frequency to correspond to the compensation one by one in the mapping curve; and calculating the volume of the environmental noise according to the signal of each frequency and the corresponding compensation of the signal of each frequency.
In certain embodiments, processor 20 is configured to perform steps 0111, 0112, and 0113. Namely, the processor 20 is used for acquiring frequency information of the environmental noise; determining compensation corresponding to signals of each frequency in frequency information according to a preset mapping curve, determining the preset mapping curve according to equal loudness curves of different loudness, and enabling the signals of each frequency to correspond to the compensation one by one in the mapping curve; and calculating the volume of the environmental noise according to the signal of each frequency and the corresponding compensation of the signal of each frequency.
Specifically, processor 20 may acquire an ambient noise signal and then process the ambient noise signal to acquire frequency information of the ambient noise, e.g., processor 20 may perform a fourier transform on the ambient noise signal to acquire the frequency information.
It can be understood that, since the real hearing senses of the human ears in the frequency bands are not consistent under the same loudness, the loudness heard by the human ears is different when the audios with different frequencies are played at the same volume. For example, the receiving loudness of the human ear receiving a low-frequency audio signal is greater than the receiving loudness of a high-frequency audio signal at the same volume, and the loudness of the low-frequency signal is greater for the human ear, so that if the receiving loudness of the low-frequency audio signal and the receiving loudness of the high-frequency audio signal are consistent, it is necessary to perform processing on the low-frequency audio signal and/or the high-frequency audio signal, such as reducing the loudness of the low-frequency audio signal and/or increasing the loudness of the high-frequency audio signal. Thus, the loudness of the audio signal at low frequencies can be reduced and/or the amplitude of the loudness of the audio signal at high frequencies can be increased, i.e. the compensation of the audio signal at different frequencies can be determined, based on the equal loudness curves corresponding to the actual loudness of the signals at different frequencies.
Fig. 6 is an equal loudness curve of different frequencies, where the abscissa is frequency and the ordinate is actual loudness, and the curve indicates actual loudness corresponding to different frequencies under the same receiving loudness. According to the multiple equal loudness curves, a mapping curve can be generated through fitting so as to determine compensation corresponding to different frequencies.
As shown in fig. 7, for fitting the generated mapping curve, the abscissa is frequency, and the ordinate is a compensation value, it can be seen that the compensation values of the low-frequency audio signal are all negative values, i.e., negative compensation, which indicates that the actual loudness of the low-frequency audio signal needs to be reduced under the same receiving loudness, and the magnitude of the negative compensation is positively correlated with the magnitude of the frequency, i.e., the higher the frequency is, the smaller the magnitude of the actual loudness that needs to be reduced is; the compensation values for the intermediate frequency signals are positive numbers, namely positive compensation, which means that under the same receiving loudness, the actual loudness of the intermediate frequency audio signals needs to be increased, and the positive compensation magnitude is positively correlated with the frequency magnitude, namely the higher the frequency is, the smaller the amplitude of the increase of the actual loudness needs to be; while the compensation values for high frequency signals (e.g., 5000HZ to 16000HZ) are all positive numbers, i.e., positive compensation, indicating that the actual loudness of the audio signal at high frequencies needs to be increased at the same received loudness, but since it cannot be over-compensated to cause audio distortion, the compensation value for the audio signal at high frequencies can be set to a fixed value, e.g., the maximum positive compensation for the audio signal at intermediate frequency (4 decibels (db) as shown in fig. 7).
The frequency may be divided into a plurality of preset frequency bands, for example, the plurality of preset frequency bands include a first frequency band, a second frequency band and a third frequency band, the first frequency band, the second frequency band and the third frequency band are not overlapped with each other, and a center frequency of the first frequency band, a center frequency of the second frequency band and a center frequency of the third frequency band are sequentially increased. As shown in fig. 7, the frequency bands corresponding to the low-frequency audio signal (i.e., the audio signal in the first frequency band) are [0 Hertz (HZ), 1000HZ ], the frequency bands corresponding to the intermediate-frequency audio signal (i.e., the audio signal in the second frequency band) are [1000HZ, 5000HZ ], and the frequency bands corresponding to the high-frequency audio signal (i.e., the audio signal in the third frequency band) are [5000HZ, 16000HZ ").
After the mapping curve is determined, the processor 20 determines the compensation corresponding to each frequency signal in the ambient noise signal according to the mapping curve, and then calculates the loudness of the ambient noise signal according to the compensation and the amplitude corresponding to each frequency signal.
Referring to fig. 2, 3, and 8, in some embodiments, step 013: when the difference is greater than the preset threshold, sending out prompt information, including:
0131: and when the difference is larger than the preset threshold, controlling the display screen 50 of the electronic device 100 to display prompt information and/or controlling the vibration unit 60 of the electronic device 100 to send out a vibration prompt.
In some embodiments, the prompt module 13 is further configured to perform step 131. The prompting module 13 is configured to control the display screen 50 of the electronic device 100 to display a prompting message and/or control the vibration unit 60 of the electronic device 100 to send a vibration prompt when the difference is greater than the preset threshold.
In certain embodiments, processor 20 is configured to perform step 0131. Namely, the processor 20 is configured to control the display screen 50 of the electronic device 100 to display a prompt message and/or control the vibration unit 60 of the electronic device 100 to issue a vibration prompt when the difference is greater than the preset threshold.
Specifically, when the difference is greater than the threshold, the electronic device 100 may send a prompt message, and the electronic device 100 may send the prompt message in many ways, for example, the electronic device 100 further includes a display screen 50, and the display screen 50 may pop up a prompt box to display the prompt message, please refer to fig. 9, in the play mode, if the difference is greater than the threshold, the display screen 50 displays "please tune the low volume, so as to avoid interfering with others"; alternatively, the electronic device 100 further includes a vibration unit 60, and the vibration unit 60 may prompt the user to turn down the volume by vibration; alternatively, the vibration unit 60 may also perform vibration prompting while the display screen 50 displays the prompting message, so as to ensure that the user can receive the prompting message in time.
Of course, in order to prevent the psychological conflict caused by frequent prompting, after the electronic device 100 prompts, if the user does not adjust the volume, the electronic device 100 does not prompt any more. And after the user actively adjusts the volume according to the prompt, if the difference is still larger than the threshold, the prompt information can be continuously sent out so as to ensure the effectiveness of volume adjustment.
In other embodiments, after the electronic device 100 performs the prompt, the playing volume may be automatically turned down, so that the difference between the playing volume and the ambient noise volume is smaller than the preset threshold, and thus the volume adjustment may be achieved without manual operation of the user.
Referring to fig. 10, the present application further provides a non-volatile computer-readable storage medium 200 containing a computer program 201. The computer program 201, when executed by the one or more processors 20, causes the one or more processors 20 to perform the volume control method of any of the embodiments described above.
Referring to fig. 1, for example, the computer program 201, when executed by the one or more processors 20, causes the processors 20 to perform the following volume control method:
referring to fig. 4, for another example, the computer program 201, when executed by the one or more processors 20, causes the processors 20 to perform the following volume control method:
in the description herein, references to the description of "certain embodiments," "in one example," "exemplary," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
Although embodiments of the present application have been shown and described above, it is to be understood that the above embodiments are exemplary and not to be construed as limiting the present application, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. A volume control method, characterized in that the volume control method comprises:
acquiring the volume of environmental noise and the playing volume of the electronic equipment;
calculating the difference value between the playing volume and the ambient noise volume; and
and sending out prompt information when the difference value is larger than a preset threshold value.
2. The volume control method according to claim 1, further comprising:
determining the current scene type according to the characteristic information of the environmental noise;
and determining the preset threshold value according to the scene type.
3. The volume control method according to claim 1, further comprising:
and when the difference value is smaller than the preset threshold value, the electronic equipment is kept to continue audio.
4. The volume control method of claim 1, wherein the obtaining the ambient noise volume comprises:
acquiring frequency information of environmental noise;
determining compensation corresponding to each frequency signal in the frequency information according to a preset mapping curve, wherein the preset mapping curve is determined according to equal loudness curves with different loudness, and in the mapping curve, the signals of each frequency correspond to the compensation in a one-to-one mode;
and calculating the volume of the environmental noise according to the signal of each frequency and the compensation corresponding to the signal of each frequency.
5. The volume control method according to claim 4, wherein the frequency information according to the ambient noise comprises:
acquiring an environmental noise signal; and
performing a Fourier transform on the ambient noise signal to obtain the frequency information.
6. The volume control method according to claim 1, wherein the sending out a prompt message when the difference is greater than a preset threshold comprises:
and when the difference value is larger than a preset threshold value, controlling a display screen of the electronic equipment to display prompt information, and/or controlling a vibration unit of the electronic equipment to send out a vibration prompt.
7. The volume control method according to claim 1, wherein after the prompt message is issued, the volume control method further comprises:
and adjusting the playing volume so that the difference value is smaller than the preset threshold value.
8. A volume control device, comprising:
the acquisition module is used for acquiring the volume of environmental noise and the playing volume of the electronic equipment;
the computing module is used for computing the difference value between the playing volume and the ambient noise volume; and
and the prompting module is used for sending out prompting information when the difference value is greater than a preset threshold value.
9. An electronic device, comprising a processor configured to obtain an ambient noise volume and a playback volume of the electronic device; calculating the difference value between the playing volume and the ambient noise volume; and sending out prompt information when the difference value is larger than a preset threshold value.
10. A non-transitory computer-readable storage medium comprising a computer program that, when executed by a processor, causes the processor to perform the volume control method of any one of claims 1-7.
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| CN117579739A (en) * | 2024-01-16 | 2024-02-20 | 成都准度科技有限公司 | Electronic equipment silencing method and device, electronic equipment and storage medium |
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| WO2023024725A1 (en) * | 2021-08-23 | 2023-03-02 | Oppo广东移动通信有限公司 | Audio control method and apparatus, and terminal and storage medium |
| CN117579739A (en) * | 2024-01-16 | 2024-02-20 | 成都准度科技有限公司 | Electronic equipment silencing method and device, electronic equipment and storage medium |
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Application publication date: 20220128 |