CN106126177A - The sound volume regulating system of a kind of target sound and method - Google Patents

Abstract

The embodiment of the invention discloses a volume adjustment system and method of a target sound. The system includes: a monitoring module and a control module connected to each other; the monitoring module is used to collect sound signals within a preset range where the sound source of the target sound is located, and classify and identify the sound signals to obtain voice signals and The noise signal, and the volume of the noise signal; the control module is used to adopt the fuzzy control technology to adjust the volume of the target sound according to the volume of the noise signal. The embodiment of the present invention is based on classification and recognition processing technology, removes the voice signal generated by the user's normal behavior from the surrounding environment sound of the target sound, to screen out the noise signal, and adopts fuzzy control technology to adjust the volume of the target sound according to the volume of the noise signal, Compared with the prior art, it can avoid affecting the user's normal conversation and other behaviors, and has the advantage of high adjustment precision.

Description

System and method for volume adjustment of target sound

technical field

The embodiments of the present invention relate to the fields of fuzzy control and audio classification and counting, and in particular to a volume adjustment system and method of a target sound.

Background technique

When projectors, all-in-one machines and other devices are playing video or audio, the surrounding environment will have a great impact on the user, especially when the ambient noise is very loud, it will affect the user's experience, and the user must adjust the playback volume. Adjustment, and the process of constantly adjusting to find the appropriate volume will again greatly affect viewing or listening.

In the process of realizing the embodiment of the present invention, the inventor found that the solutions of the prior art did not take into account the voice data generated by the user's conversations, answering calls, etc. during the process of watching the video, and this part of the voice data is not It should not be covered by an excessively loud playback sound. Therefore, the solution in the prior art has the problem that the adjusted playback volume affects the user's normal conversation and other behaviors.

Contents of the invention

One purpose of the embodiment of the present invention is to solve the problem that the existing technology does not consider that the voice data generated by the user's normal behavior should not be covered when adjusting the volume of the video or audio during playback, causing the adjustment result to affect the user's conversation or phone call. Wait for normal behavior.

The embodiment of the present invention proposes a volume adjustment system of a target sound, comprising: a monitoring module and a control module connected to each other;

The monitoring module is configured to collect sound signals within a preset range where the sound source of the target sound is located, and perform classification and recognition processing on the sound signals to obtain the sound signals and noise signals in the sound signals, and all The volume of the noise signal;

The control module is configured to use fuzzy control technology to adjust the volume of the target sound according to the volume of the noise signal.

Preferably, the monitoring module includes: an acoustic sensor, a classifier and a buffer;

The classifier is respectively connected to the sound sensor and the buffer;

The sound sensor is used to detect the sound signal, and judge whether to trigger the classifier according to the volume of the sound signal;

The classifier is used to classify and identify the sound signal, so as to exclude the speech signal from the sound signal, and then screen out the noise signal;

The buffer is used for buffering the filtered noise signal, so as to trigger the control module when a noise signal lasting for a preset length of time is detected.

Preferably, the control module includes: a fuzzy control chip and a manual control chip;

The fuzzy control chip is used to adjust the volume of the target sound according to the volume of the noise signal by using fuzzy control technology;

The manual control chip is used to adjust the volume according to the user's manual operation, and feed back the adjustment result of the manual operation to the fuzzy control chip, so that the fuzzy control chip modulates the control rule according to the adjustment result.

Preferably, the system also includes: a display module;

The display module is respectively connected to the monitoring module and the control module;

The display module is configured to write parameter adjustment instructions to the monitoring module and the control module through a user writing interface, so that the monitoring module and the control module adjust corresponding parameters according to the parameter adjustment instructions.

Preferably, the display module includes: an operation interface and a prompt interface;

The operation interface is used to write parameter adjustment instructions to the monitoring module and the control module through the user writing interface;

The prompt interface is used to send a prompt message carrying a reminder of excessive sound to the user when the volume of the noise signal is greater than a preset maximum value.

It can be seen from the above technical solutions that the target sound volume adjustment system proposed in the embodiment of the present invention is based on the classification and recognition processing technology, and removes the voice signal generated by the user's normal behavior from the surrounding environment sound of the target sound to filter out the noise signal, and uses fuzzy The control technology adjusts the volume of the target sound according to the volume of the noise signal. Compared with the existing technology, it can avoid affecting the user's normal conversation and other behaviors, and has the advantage of high adjustment accuracy.

The embodiment of the present invention proposes a method for adjusting the volume of a target sound, including:

The monitoring module collects sound signals within a preset range where the sound source of the target sound is located;

Carrying out classification and recognition processing on the sound signal, acquiring a speech signal and a noise signal in the sound signal, and the volume of the noise signal;

Sending the volume of the noise signal to the control module, so that the control module uses fuzzy control technology to adjust the volume of the target sound according to the volume of the noise signal.

Preferably, before the step of classifying and identifying the sound signal, the method further includes:

analyzing the sound signal to obtain the volume of the sound signal;

Comparing the volume of the sound signal with the volume of the target sound, if the volume difference between the volume of the sound signal and the target sound obtained by comparison is greater than a first preset threshold, the step of classifying and identifying is performed.

Preferably, before the step of adjusting the volume of the target sound according to the volume of the noise signal, the method further includes:

Taking the time point when the noise signal is received as the starting time, if it is determined that the duration of the noise signal is greater than a second preset threshold, the volume adjustment step is performed.

Preferably, the method also includes:

receiving parameter information written by a user, and resetting the first preset threshold and the second preset threshold according to the parameter information.

Preferably, the method also includes:

When it is detected that the volume of the noise signal is greater than the preset maximum value, the playing of the target sound is suspended, and a reminder message sending instruction is sent to the display module, so that the display module sends a reminder message carrying a reminder of excessive sound to the user.

It can be seen from the above technical solutions that the method for adjusting the volume of the target sound proposed by the embodiment of the present invention is based on the classification and recognition processing technology, and removes the voice signal generated by the user's normal behavior from the surrounding environment sound of the target sound to filter out the noise signal, and uses fuzzy The control technology adjusts the volume of the target sound according to the volume of the noise signal. Compared with the existing technology, it can avoid affecting the user's normal conversation and other behaviors, and has the advantage of high adjustment accuracy.

Description of drawings

The features and advantages of the present invention will be more clearly understood by referring to the accompanying drawings, which are schematic and should not be construed as limiting the invention in any way. In the accompanying drawings:

FIG. 1 shows a schematic structural diagram of a volume adjustment system for a target sound provided by an embodiment of the present invention;

Fig. 2 shows the structural representation of the volume adjustment system of the target sound provided by another embodiment of the present invention;

Fig. 3 shows the structural representation of the volume adjustment system of the target sound provided by another embodiment of the present invention;

Fig. 4 shows a schematic flowchart of a method for adjusting the volume of a target sound provided by an embodiment of the present invention.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Fig. 1 shows a schematic structural diagram of a volume adjustment system for a target sound provided by an embodiment of the present invention. Referring to Fig. 1, the volume adjustment system for a target sound includes: a monitoring module 110 and a control module 120 connected to each other; wherein,

The monitoring module 110 is configured to collect sound signals within a preset range where the sound source of the target sound is located, and perform classification and identification processing on the sound signals, and acquire speech signals and noise signals in the sound signals, and the volume of the noise signal;

It should be noted that this embodiment classifies and acquires speech signals and noise signals from the ambient sounds of the target sound, that is, the sound signals within the preset range of the sound source, based on the classification recognition processing technology, where the speech signals include voice data, such as: talking voice, phone call voice, etc.; it is known that the voice data generated by normal behavior should not be covered, so it needs to be removed when adjusting the volume;

In addition, the object collected in this embodiment is the sound signal within the preset range of the sound source location. It is not difficult to understand that as the distance from the sound source location increases, the surrounding environment sounds that have an impact on the target sound The accuracy of the noise signal will change from high to low. Therefore, the location of the collected sound signal needs to be set within a reasonable range; for example: 0.2m-0.3m away from the source of the students; the specific value can be determined by pre-testing, here is no longer limited;

It is understandable that the classification recognition processing technology is relatively mature at present, and will not be described here;

The control module 120 is configured to use fuzzy control technology to adjust the volume of the target sound according to the volume of the noise signal.

This embodiment is based on the classification recognition processing technology, removes the voice signal generated by the user's normal behavior from the surrounding environment sound of the target sound, to filter out the noise signal, and uses fuzzy control technology to adjust the volume of the target sound according to the volume of the noise signal, and Compared with the prior art, it can avoid affecting the user's normal conversation and other behaviors, and has the advantage of high adjustment accuracy.

Fig. 2 shows the structural representation of the volume adjustment system of the target sound that another embodiment of the present invention provides, refer to Fig. 2 below and describe this system in detail:

The system includes: a monitoring module 210 and a control module 220; wherein,

The monitoring module 210 includes: a sound sensor 211, a classifier 212 and a buffer 213;

The classifier 212 is respectively connected to the sound sensor 211 and the buffer 213;

The sound sensor 211 is used to detect the sound signal, and judge whether to trigger the classifier according to the volume of the sound signal;

The classifier 212 is configured to perform classification and recognition processing on the sound signal, so as to exclude the speech signal from the sound signal, and then screen out the noise signal;

The buffer 213 is configured to buffer the filtered noise signal, so as to trigger the control module 220 when a noise signal that lasts for a preset length of time is detected.

It should be noted that, after the sound sensor 211 collects the ambient sound, it compares the volume of the ambient sound with the first preset threshold, and if the volume of the ambient sound is greater than the first preset threshold, the classifier 212 is triggered, and the The sound signal corresponding to the ambient sound is sent to the classifier 212, and the classifier 212 performs classification and recognition processing on the sound signal based on the classification recognition processing technology to distinguish the speech signal and the noise signal therefrom, and sends the noise signal to the buffer 213 for buffering The device 213 buffers the filtered noise signal, and judges whether the duration of the noise signal is greater than the second preset threshold, if so, it is considered that the noise signal has begun to affect the normal playback of the target sound, and then triggers the control module 220, The step of volume adjustment has been carried out; if not, it is considered that the duration of the noise signal is short and will not affect the normal playback of the target sound.

In this embodiment, the control module 220 includes: a fuzzy control chip 221 and a manual control chip 222;

The fuzzy control chip 221 is configured to use fuzzy control technology to adjust the volume of the target sound according to the volume of the noise signal;

The manual control chip 222 is used to adjust the volume according to the user's manual operation, and feed back the adjustment result of the manual operation to the fuzzy control chip, so that the fuzzy control chip modulates the control rule according to the adjustment result.

It should be noted that, after receiving the trigger signal sent by the buffer 213 and the volume of the noise signal, the fuzzy control chip 221 adopts fuzzy control technology to adjust the volume of the target sound according to the volume of the noise signal;

In addition, the result of machine adjustment may not necessarily meet the needs of users, so this embodiment is also provided with a manual control chip 222, which is connected to external operating devices (such as buttons, keys, etc.) When operating to adjust the volume, the volume is adjusted according to the user operation, and the user operation is fed back to the fuzzy control chip 221, so that the fuzzy control chip 221 modulates the control rules based on the user operation.

Fig. 3 shows the structure diagram of the volume adjustment system of the target sound provided by another embodiment of the present invention, referring to Fig. 3, the system includes: a monitoring module 310, the control module 320 and a display module 330; wherein, the monitoring module 310 Corresponding to the above-mentioned detection module 110, the control module 320 corresponds to the above-mentioned control module, especially the working principle is the same, so details will not be repeated here.

The display module 330 is connected to the monitoring module 310 and the control module 320 respectively;

The display module 330 is configured to write parameter adjustment instructions to the monitoring module 310 and the control module 320 through a user writing interface, so that the monitoring module 110 and the control module 320 adjust according to the parameter adjustment instructions. corresponding parameters.

Wherein, the parameters here include the above-mentioned first preset threshold and second preset threshold;

It should be noted that different users have different usage habits. Some people like to turn up the volume a little bit, and some people like to turn up the volume down; or, set the threshold of system adjustment to divide the adjustment into multiple Level, for example: Sensitive, Fair, Low;

Among them, the threshold corresponding to the sensitivity level is the lowest, so that when noise is detected, it can be quickly adjusted to reduce the impact time of the noise on the user or the user; the threshold corresponding to the lower level is the lowest, and the threshold corresponding to the general level is between the sensitivity level and between lower levels.

In this embodiment, the display module 330 includes: an operation interface 331 and a prompt interface 332;

The operation interface 331 is configured to write parameter adjustment instructions to the monitoring module 310 and the control module 320 through a user writing interface;

The prompt interface 332 is used to send a prompt message carrying a reminder of excessive sound to the user when the volume of the noise signal is greater than a preset maximum value

It can be understood that if the sound is adjusted beyond a certain value, it will damage the auditory system if it continues to increase. Therefore, this embodiment protects the user's auditory system by setting the prompt interface 332 .

In summary, the target sound volume adjustment system provided by the present invention can be mounted on equipment such as projectors, computers, and all-in-one machines. When the equipment is playing video or audio, it can monitor the sound of the playing environment in real time, and exclude users After the voice signal generated by speaking, according to the noise signal in the surrounding environment, the volume will be automatically adjusted within a controllable range to reduce the interference the user receives while watching the video or listening to the audio, and when the noise signal exceeds a certain threshold Automatically stop playing and pop up a friendly reminder to protect the user's auditory system.

Fig. 4 shows a schematic flowchart of a method for adjusting the volume of a target sound according to an embodiment of the present invention. Referring to Fig. 4, the method for adjusting the volume of a target sound includes:

410. The monitoring module collects sound signals within a preset range where the sound source of the target sound is located;

420. Perform classification and recognition processing on the sound signal, and acquire a speech signal and a noise signal in the sound signal, and a volume of the noise signal;

430. Send the volume of the noise signal to the control module, so that the control module uses fuzzy control technology to adjust the volume of the target sound according to the volume of the noise signal.

As for the method implementation, since it is basically similar to the device implementation, the description is relatively simple, and for relevant parts, refer to the part of the description of the device implementation.

This embodiment is based on the classification recognition processing technology, removes the voice signal generated by the user's normal behavior from the surrounding environment sound of the target sound, to filter out the noise signal, and uses fuzzy control technology to adjust the volume of the target sound according to the volume of the noise signal, and Compared with the prior art, it can avoid affecting the user's normal conversation and other behaviors, and has the advantage of high adjustment accuracy.

In a feasible embodiment, before step 420, the method further includes:

analyzing the sound signal to obtain the volume of the sound signal;

Comparing the volume of the sound signal with the volume of the target sound, if the volume difference between the volume of the sound signal and the target sound obtained by comparison is greater than a first preset threshold, the step of classifying and identifying is performed.

In another feasible embodiment, before step 430, the method also includes:

Taking the time point when the noise signal is received as the starting time, if it is determined that the duration of the noise signal is greater than a second preset threshold, the volume adjustment step is performed.

In this embodiment, the method also includes:

receiving parameter information written by a user, and resetting the first preset threshold and the second preset threshold according to the parameter information.

In this embodiment, the method also includes:

When it is detected that the volume of the noise signal is greater than the preset maximum value, the playing of the target sound is suspended, and a reminder message sending instruction is sent to the display module, so that the display module sends a reminder message carrying an excessive sound reminder to the user

For the method implementation, for the sake of simple description, it is expressed as a series of action combinations, but those skilled in the art should know that the implementation of the present invention is not limited by the described action order, because according to the implementation of the present invention , certain steps may be performed in other order or simultaneously. Secondly, those skilled in the art should also know that the implementations described in the specification belong to preferred implementations, and the actions involved are not necessarily required by the implementations of the present invention.

The various component implementations of the present invention may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. In this device, the PC realizes the remote control of the equipment or device through the Internet, and precisely controls each operation step of the device or device. The present invention can also be implemented as an apparatus or an apparatus program (for example, a computer program and a computer program product) for performing a part or all of the methods described herein. In this way, the program for realizing the present invention can be stored on a computer-readable medium, and the files or documents generated by the program can be counted, and can generate data reports and cpk reports, etc., and can perform batch testing and statistics on power amplifiers. It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In a unit claim enumerating several means, several of these means can be embodied by one and the same item of hardware. The use of the words first, second, and third, etc. does not indicate any order. These words can be interpreted as names.

Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention. within the bounds of the requirements.

Claims (10)

1. A volume adjustment system of target sound, characterized in that, comprising: a monitoring module and a control module connected to each other; The monitoring module is configured to collect sound signals within a preset range where the sound source of the target sound is located, and perform classification and recognition processing on the sound signals to obtain the sound signals and noise signals in the sound signals, and all the volume of the noise signal; The control module is configured to use fuzzy control technology to adjust the volume of the target sound according to the volume of the noise signal. 2. The system according to claim 1, wherein the monitoring module comprises: an acoustic sensor, a classifier and a buffer; The classifier is respectively connected to the sound sensor and the buffer; The sound sensor is used to detect the sound signal, and judge whether to trigger the classifier according to the volume of the sound signal; The classifier is used to classify and identify the sound signal, so as to exclude the speech signal from the sound signal, and then screen out the noise signal; The buffer is used for buffering the filtered noise signal, so as to trigger the control module when a noise signal lasting for a preset length of time is detected. 3. system according to claim 1, is characterized in that, described control module comprises: fuzzy control chip and manual control chip; The fuzzy control chip is used to adjust the volume of the target sound according to the volume of the noise signal by using fuzzy control technology; The manual control chip is used to adjust the volume according to the user's manual operation, and feed back the adjustment result of the manual operation to the fuzzy control chip, so that the fuzzy control chip modulates the control rule according to the adjustment result. 4. The system according to claim 1, further comprising: a display module; The display module is respectively connected to the monitoring module and the control module; The display module is configured to write parameter adjustment instructions to the monitoring module and the control module through a user writing interface, so that the monitoring module and the control module adjust corresponding parameters according to the parameter adjustment instructions. 5. The system according to any one of claims 1-4, wherein the display module comprises: an operation interface and a prompt interface; The operation interface is used to write parameter adjustment instructions to the monitoring module and the control module through the user writing interface; The prompt interface is used to send a prompt message carrying a reminder of excessive sound to the user when the volume of the noise signal is greater than a preset maximum value. 6. A method for volume adjustment of target sound, characterized in that, comprising: The monitoring module collects sound signals within a preset range where the sound source of the target sound is located; Carrying out classification and recognition processing on the sound signal, acquiring a speech signal and a noise signal in the sound signal, and the volume of the noise signal; Sending the volume of the noise signal to the control module, so that the control module uses fuzzy control technology to adjust the volume of the target sound according to the volume of the noise signal. 7. The method according to claim 6, wherein, before the step of classifying and identifying the sound signal, the method further comprises: analyzing the sound signal to obtain the volume of the sound signal; Comparing the volume of the sound signal with the volume of the target sound, if the volume difference between the volume of the sound signal and the target sound obtained by comparison is greater than a first preset threshold, the step of classifying and identifying is performed. 8. The method according to claim 7, characterized in that, before the step of adjusting the volume of the target sound according to the volume of the noise signal, the method further comprises: Taking the time point when the noise signal is received as the starting time, if it is determined that the duration of the noise signal is greater than a second preset threshold, the volume adjustment step is performed. 9. The method according to claim 8, characterized in that the method further comprises: receiving parameter information written by a user, and resetting the first preset threshold and the second preset threshold according to the parameter information. 10. The method according to any one of claims 6-9, characterized in that the method further comprises: When it is detected that the volume of the noise signal is greater than the preset maximum value, the playing of the target sound is suspended, and a reminder message sending instruction is sent to the display module, so that the display module sends a reminder message carrying a reminder of excessive sound to the user.