CN112770214A - Earphone control method and device and earphone - Google Patents
Earphone control method and device and earphone Download PDFInfo
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- CN112770214A CN112770214A CN202110120189.8A CN202110120189A CN112770214A CN 112770214 A CN112770214 A CN 112770214A CN 202110120189 A CN202110120189 A CN 202110120189A CN 112770214 A CN112770214 A CN 112770214A
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- sound signal
- ambient sound
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1083—Reduction of ambient noise
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/01—Hearing devices using active noise cancellation
Abstract
The embodiment of the disclosure discloses a control method and a control device of an earphone and the earphone, wherein the control method of the earphone comprises the following steps: acquiring a first environment sound signal picked up by a feedforward microphone of the earphone in a current sampling period; under the condition that the first environment sound signal contains a voice signal, acquiring a second environment sound signal picked up by a feedback microphone of the earphone in the current sampling period; determining whether a dialog behavior occurs for the wearer based on the first ambient sound signal and the second ambient sound signal; and controlling the earphone to be switched to a transparent transmission mode under the condition that the conversation behavior of the wearer occurs.
Description
Technical Field
The present disclosure relates to the field of earphone technologies, and in particular, to a control method and device for an earphone, and an earphone.
Background
In recent years, under the background of rapid popularization of new-generation consumer electronics devices such as global smart phones and tablet computers, earphone products, particularly wireless earphone products, have shown an explosive growth trend. The noise reduction earphone can isolate external noise and bring the promotion of tone quality, receives liking of more and more people gradually.
However, the noise reduction earphone can offset the noise of the external environment and offset some useful sounds such as the voice of the external person, the broadcast, the car whistle, etc., which brings inconvenience and potential safety hazard to the user. In the prior art, when a user communicates with other people, the noise reduction mode is usually closed in a manual mode, so that the use is inconvenient, and the user experience is poor.
Therefore, a new technical scheme for controlling the earphones is needed to be provided, the earphones can be controlled to be switched between the noise reduction mode and the transparent transmission mode according to the change of the using scene of the wearer, the use is convenient, and the user experience is better.
Disclosure of Invention
An object of the embodiment of the present disclosure is to provide a new technical scheme for controlling an earphone, so as to control the earphone to switch between a noise reduction mode and a transparent transmission mode according to a change of a usage scene of a wearer, which is convenient to use and better in user experience.
According to a first aspect of embodiments of the present disclosure, there is provided a method for controlling a headset, the method including:
acquiring a first environment sound signal picked up by a feedforward microphone of the earphone in a current sampling period;
under the condition that the first environment sound signal contains a voice signal, acquiring a second environment sound signal picked up by a feedback microphone of the earphone in the current sampling period;
determining whether a dialog behavior occurs for the wearer based on the first ambient sound signal and the second ambient sound signal;
and controlling the earphone to be switched to a transparent transmission mode under the condition that the conversation behavior of the wearer occurs.
Optionally, the method further comprises:
controlling the earphone to switch to a noise reduction mode if the first ambient sound signal does not contain a speech signal.
Optionally, after controlling the earphone to switch to the transparent transmission mode, the method further includes:
obtaining a third ambient sound signal picked up by the feedforward microphone for a next sampling period;
controlling the earphone to switch to a noise reduction mode if the third ambient sound signal does not contain a speech signal.
Optionally, said determining whether a dialogue action occurs for the wearer from the first ambient sound signal and the second ambient sound signal comprises:
performing voice recognition on the second environment sound signal, and determining whether the second environment sound signal contains a voice signal;
under the condition that the second environment sound signal contains a voice signal, acquiring a fourth environment sound signal picked up by the feedforward microphone in the last sampling period;
determining that a dialog behavior occurs for the wearer in case the fourth ambient sound signal comprises a speech signal;
in the event that the fourth ambient sound signal does not contain a speech signal, determining that no dialogue activity has occurred for the wearer.
Optionally, said determining whether a dialogue action occurs for the wearer according to the first ambient sound signal and the second ambient sound signal further comprises:
under the condition that the second environment sound signal does not contain a voice signal, acquiring a fifth environment sound signal picked up by the feedforward microphone and a sixth environment sound signal picked up by the feedback microphone in the last sampling period;
determining that a dialog behavior occurs for the wearer if the fifth ambient sound signal and the sixth ambient sound signal both comprise speech signals;
determining that no dialogue action is present for the wearer if the fifth ambient sound signal and the sixth ambient sound signal both comprise speech signals.
Optionally, the method further comprises:
and determining whether the environment sound signal contains a voice signal or not based on a preset recognition model.
Optionally, the method further comprises:
extracting signal features of an ambient sound signal, the signal features including frequency, amplitude and energy;
determining whether the ambient sound signal comprises a speech signal according to the signal characteristics.
Optionally, the ambient sound signal comprises at least one of the first ambient sound signal, the second ambient sound signal, the fourth ambient sound signal, the fifth ambient sound signal and the sixth ambient sound signal.
According to a second aspect of the embodiments of the present disclosure, there is provided a control apparatus of a headphone, including:
the system comprises a first acquisition module, a second acquisition module and a control module, wherein the first acquisition module is used for acquiring a first environment sound signal picked up by a feedforward microphone of the earphone in a current sampling period;
the second acquisition module is used for acquiring a second environment sound signal picked up by a feedback microphone of the earphone in the current sampling period under the condition that the first environment sound signal contains a voice signal;
a determining module, configured to determine whether a dialog behavior occurs for a wearer according to the first ambient sound signal and the second ambient sound signal;
and the control module is used for controlling the earphone to be switched to a transparent transmission mode under the condition that the wearer has conversation behavior.
According to a third aspect of the embodiments of the present disclosure, there is provided a headset comprising a processor and a memory, the memory storing computer instructions, which when executed by the processor, perform the method provided by the first aspect of the embodiments of the present disclosure.
According to a fourth aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium having stored thereon computer instructions which, when executed by a processor, perform the method provided by the first aspect of the embodiments of the present disclosure.
According to the embodiment of the disclosure, whether a conversation behavior occurs to an earphone wearer can be determined according to environmental sound signals picked up by the feedforward microphone and the feedback microphone of the earphone, when the conversation behavior occurs to the earphone wearer, the earphone is controlled to be automatically switched to a transparent transmission mode, and then a user can talk with other people under the condition of wearing the earphone, so that the use of the user is facilitated.
Other features of, and advantages with, the disclosed embodiments will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings needed to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the disclosure and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.
FIG. 1 illustrates an application scenario diagram according to one embodiment;
fig. 2 is a schematic hardware configuration diagram of a headphone that can be used to implement the control method of the headphone of one embodiment;
fig. 3 is a flow diagram of a method of controlling a headset according to one embodiment;
fig. 4 is a flow diagram of a method of controlling a headset according to an example;
fig. 5 is a block diagram of the structure of a control device of the headphone according to one embodiment;
fig. 6 is a block diagram of the structure of a headset according to an embodiment.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the embodiments of the present disclosure unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Currently, a headset with an active noise reduction function generally includes two modes of operation. When the earphone is in the noise reduction mode, the earphone carries out reverse phase processing on the external environment sound signals collected by the microphone through the noise reduction module to generate an equivalent reverse sound wave signal which is played by the earphone so as to offset the external environment sound signals. Under the mode of making an uproar, the speech signal that contains in the external environment sound signal also can be eliminated simultaneously, leads to the difficult sound of listening clearly the other side when earphone wearer talks with the people. When the earphone is in the transparent transmission mode, the active noise reduction function is closed, the external environment sound signal collected by the microphone is transmitted to the earphone to be played, and the user can talk with others under the condition of wearing the earphone. The wearer can select the working mode of the earphone according to different use scenes.
In one embodiment, the wearer controls the earphone to be switched between the noise reduction mode and the transparent transmission mode in a manual mode, the earphone needs to be operated when the wearer communicates with other people temporarily, and the operation is complex and inconvenient for the wearer to use.
In order to solve the problems existing in the foregoing embodiments, an embodiment of the present disclosure provides a technical solution for determining whether a conversation behavior occurs to a wearer of an earphone according to an ambient sound signal picked up by a microphone of the earphone, and controlling the earphone to automatically switch to a transparent transmission mode when the conversation behavior occurs to the wearer of the earphone, so that a user can talk with other people even when wearing the earphone, thereby facilitating the use of the user.
Fig. 1 illustrates one application scenario of an embodiment of the present disclosure. In the application scenario, a feed-forward microphone (FF MIC) of the headset is disposed outside the headset, and can receive the voice signal of the wearer and the voice signals of other people around the wearer. A feedback microphone (FB MIC) is provided inside the earpiece and can only receive speech signals from the wearer that are transmitted by the eustachian tube into the ear canal. Therefore, the embodiment of the disclosure can determine whether a conversation behavior occurs to an earphone wearer according to the environmental sound signals picked up by the feedforward microphone and the feedback microphone of the earphone, and control the earphone to automatically switch to the transparent transmission mode when the conversation behavior occurs to the earphone wearer, so that the user can talk with other people even when wearing the earphone, thereby facilitating the use of the user.
< hardware configuration >
Fig. 2 is a schematic diagram of a hardware configuration of a headphone that can be used to implement the control method of the headphone of one embodiment.
In one embodiment, the headset 2000 may be as shown in fig. 2, including a processor 2100, a memory 2200, an interface device 2300, a communication device 2400, a microphone 2500, and a speaker 2600. The processor 2100 may include, but is not limited to, a central processing unit CPU, a microprocessor MCU, and the like. The memory 2200 includes, for example, a ROM (read only memory), a RAM (random access memory), a nonvolatile memory such as a hard disk, and the like. The interface device 2300 includes, for example, various bus interfaces, such as a serial bus interface (including a USB interface), a parallel bus interface, and the like. Communication device 2400 is capable of wired or wireless communication, for example. The microphone 2500 may be used to input voice information, and the microphone 2500 may include, for example, a feed-forward microphone (FF MIC) and a feed-back microphone (FB MIC). Speaker 2600 may be used to output voice information.
In one embodiment, the headset 2000 may be an ANC (Active Noise Cancellation) headset, for example.
In this embodiment, the memory 2200 of the headset 2000 is configured to store instructions for controlling the processor 2100 to operate to implement or support the implementation of a control method of a headset according to any embodiment. The skilled person can design the instructions according to the solution disclosed in the present specification. How the instructions control the operation of the processor is well known in the art and will not be described in detail herein.
The headset 2000 illustrated in fig. 2 is merely illustrative and is in no way intended to limit the present description, its application, or uses.
< method examples >
Fig. 3 illustrates a control method of a headset of one embodiment of the present disclosure, which may be implemented, for example, by the headset 2000 illustrated in fig. 2.
The control method of the headset provided by the embodiment may include the following steps S3100 to S3400.
In step S3100, a first ambient sound signal picked up by a feedforward microphone of a headphone for a current sampling period is acquired.
Illustratively, the headset may be, for example, an active noise reduction headset, the default operating mode of the headset being a noise reduction mode. It will be appreciated that this step may be to acquire a first ambient sound signal picked up by a feed-forward microphone of the headset for a current sampling period while the headset is in the noise reduction mode.
Step S3200, in a case that the first ambient sound signal includes a speech signal, acquiring a second ambient sound signal picked up by a feedback microphone of the earphone in a current sampling period.
The feedforward microphone (FF MIC) is arranged on the outer side of the earphone and can receive the voice signal of the wearer and the voice signals of other people around the wearer. By performing speech recognition on the first ambient sound signal picked up by the feedforward microphone at the current sampling period, it is determined whether the first ambient sound signal contains a speech signal, so that it can be determined whether the wearer and/or other persons around the wearer are speaking.
The feedback microphone (FB MIC) is located inside the earpiece, and due to the physical isolation of the earpiece, the speech signal received by the feedback microphone can be considered to be primarily the speech signal transmitted by the eustachian tube to the wearer in the ear canal. The disclosed embodiments, in conjunction with a first ambient sound signal picked up by the feedforward microphone and a second ambient sound signal picked up by the feedback microphone, may further determine whether the wearer is speaking or other people around the wearer are speaking.
In this embodiment, the first ambient sound signal picked up by the feedforward microphone of the earphone and the second ambient sound signal picked up by the feedback microphone of the earphone in the current sampling period are obtained, so that whether the wearer and/or other people around the wearer speak within a certain time can be determined, and the accuracy of detection can be improved.
It is understood that the current sampling period may be set by a person skilled in the art according to actual situations, for example, the current sampling period may be 10s, and the length of the current sampling period is not particularly limited by the embodiments of the present disclosure. According to the embodiment of the disclosure, by setting the current sampling period, the detection accuracy is ensured, and meanwhile, the detection efficiency can be improved.
In the present embodiment, it is determined whether the first ambient sound signal contains a speech signal by performing speech recognition on the first ambient sound signal picked up by the feedforward microphone, and in the case where it is determined that the first ambient sound signal contains a speech signal, it is interpreted that the wearer or other people around the wearer are speaking at this time. Further, by performing speech recognition on the second ambient sound signal picked up by the feedback microphone of the earphone in the current sampling period, it can be determined whether the wearer is speaking or other people around the wearer are speaking, and thus it can be determined whether conversation behavior occurs in the wearer.
In this embodiment, the first voice activity detection module may be employed to determine whether the first ambient sound signal comprises a voice signal.
In one embodiment of the present disclosure, after acquiring the first ambient sound signal picked up by the feedforward microphone of the headphone for the current sampling period, the control method of the headphone may further include: step S4100.
Step S4100, determining whether the first environmental sound signal includes a speech signal based on a preset recognition model.
The preset recognition model may be a pre-trained neural network model. According to the embodiment of the disclosure, whether the first environment sound signal contains the voice signal or not is determined based on the preset recognition model, so that the recognition accuracy can be improved, and the recognition speed can be increased.
In another embodiment of the present disclosure, after acquiring the first ambient sound signal picked up by the feedforward microphone of the headphone for the current sampling period, the control method of the headphone may further include: and S5100-S5200.
Step S5100, extracting signal characteristics of the first environment sound signal, wherein the signal characteristics comprise frequency, amplitude and energy
In step S5200, it is determined whether the first environmental sound signal includes a speech signal, based on the signal characteristics.
In specific implementation, the frequency, amplitude and energy of the first environment sound signal are extracted, and if the frequency, amplitude and energy of the first environment sound signal meet preset requirements, the first environment sound signal is determined to contain a voice signal.
After acquiring the first ambient sound signal picked up by the feedforward microphone and the second ambient sound signal picked up by the feedback microphone, the process proceeds to step S3300.
And step S3300, determining whether the dialog behavior occurs to the wearer according to the first environment sound signal and the second environment sound signal.
In the present embodiment, the wearer is considered to have a dialogue action while it is continuously detected that the wearer and other people around the wearer are speaking.
In this embodiment, in the case that the first ambient sound signal is determined to contain a speech signal, the second ambient sound signal is subjected to speech recognition, and if the second ambient sound signal contains a speech signal, that is, the feedforward microphone and the feedback microphone simultaneously detect the speech signal, it indicates that the wearer is speaking at this time. If the second ambient sound signal does not contain a speech signal, i.e. only the feedforward microphone detects the signal to be spoken, it is indicated that someone else around the wearer is speaking at the moment. Based on the above, the ambient sound signals picked up by the feedforward microphone and the ambient sound signals picked up by the feedback microphone in the last sampling period are further acquired, and whether the dialog behavior of the wearer occurs or not can be judged.
In one embodiment of the present disclosure, the step of determining whether a dialogue action is present for the wearer based on the first ambient sound signal and the second ambient sound signal may further comprise: steps S3310 to S3340.
Step S3310, performing voice recognition on the second environment sound signal, and determining whether the second environment sound signal includes a voice signal.
In this embodiment, the second voice activity detection module may be adapted to determine whether the second ambient sound signal comprises a voice signal. In practical implementation, it may be determined whether the second ambient sound signal includes a voice signal by referring to the manner of determining whether the first ambient sound signal includes a voice signal disclosed in the foregoing embodiment.
It should be noted that, after determining whether the first ambient sound signal and the second ambient sound signal picked up in the current sampling period contain a speech signal, the recognition result is obtained, and a corresponding flag is set according to the recognition result, so as to further determine whether a dialog behavior occurs to the wearer. For example, when it is determined that the ambient sound signal contains a speech signal, the corresponding flag bit is set to "1"; when it is determined that the ambient sound signal does not contain a speech signal, the corresponding flag is set to "0".
Step S3320, in a case that the second ambient sound signal includes a voice signal, acquiring a fourth ambient sound signal picked up by the feedforward microphone in a previous sampling period.
It is understood that the last sampling period may be set by a person skilled in the art according to actual situations, for example, the last sampling period may be 10s, and the length of the last sampling period is not particularly limited in the embodiments of the present disclosure. According to the embodiment of the disclosure, by setting the last sampling period, the detection efficiency can be improved while the detection accuracy is ensured.
After obtaining the fourth ambient sound signal picked up by the feedforward microphone in the last sampling period, determining whether the fourth ambient sound signal contains a voice signal is further included. In practical implementation, it may be determined whether the fourth ambient sound signal includes a speech signal by referring to the manner of determining whether the first ambient sound signal includes a speech signal disclosed in the foregoing embodiment. In addition, after determining whether the fourth environment sound signal contains a sound signal, acquiring a recognition result, and setting a corresponding flag bit according to the recognition result so as to further determine whether the conversation behavior occurs to the wearer.
Step S3330, in case the fourth environment sound signal comprises a speech signal, determining that a dialog behavior occurs for the wearer.
Step S3340, determining that the conversation behavior does not occur to the wearer under the condition that the fourth environment sound signal does not contain the voice signal.
In specific implementation, the flag bit corresponding to the second ambient sound signal is read, and when the flag bit is "1", it is determined that the second ambient sound signal includes a voice signal. In the case where the second ambient sound signal contains a speech signal, this indicates that the wearer is speaking at this time. Further, the flag bit corresponding to the fourth environment sound signal is read, and if the flag bit corresponding to the fourth environment sound signal is "1", that is, before the wearer speaks, it is detected that other people around the wearer speak, and at this time, it can be considered that the wearer has a conversation behavior. If the flag corresponding to the fourth ambient sound signal is "0", that is, no speech by other people around the wearer is detected before the wearer speaks, it can be assumed that no dialogue action has occurred in the wearer.
According to an embodiment of the present disclosure, in case the second ambient sound signal comprises a speech signal. Whether the dialog behavior of the wearer occurs or not is judged further based on the fourth environment sound signal picked up by the feedforward microphone in the last sampling period, and the detection accuracy can be improved.
In one embodiment of the present disclosure, after determining whether the second ambient sound signal comprises a speech signal, the step of determining whether dialog behavior is present for the wearer based on the first ambient sound signal and the second ambient sound signal may further comprise: and S3350 to S3370.
Step S3350, in a case that the second ambient sound signal does not include a speech signal, acquiring a fifth ambient sound signal picked up by the feedforward microphone and a sixth ambient sound signal picked up by the feedback microphone in a previous sampling period.
It is to be understood that, after acquiring the fifth ambient sound signal picked up by the feedforward microphone and the sixth ambient sound signal picked up by the feedback microphone in the last sampling period, determining whether the fifth ambient sound signal and the sixth ambient sound signal contain speech signals is further included. In practical implementation, it may be determined whether the fifth ambient sound signal and the sixth ambient sound signal contain voice signals by referring to the manner of determining whether the first ambient sound signal contains voice signals disclosed in the foregoing embodiments. In addition, after determining whether the fifth ambient sound signal and the sixth ambient sound signal contain voice signals, acquiring a recognition result, and setting a corresponding flag according to the recognition result so as to further determine whether the dialog behavior of the wearer occurs.
Step S3360, determining that a dialog behavior occurs for the wearer in case both the fifth ambient sound signal and the sixth ambient sound signal contain speech signals.
Step S3370, determining that the conversation activity does not occur to the wearer when the fifth ambient sound signal and the sixth ambient sound signal both include speech signals.
In particular implementations, where the second ambient sound signal does not include a speech signal, the description is of the other people around the wearer speaking during the current sampling period. Further, a fifth ambient sound signal picked up by the feedforward microphone and a sixth ambient sound signal picked up by the feedback microphone in the last sampling period are acquired. Voice activity detection is performed on the fifth ambient sound signal and the sixth ambient sound signal, respectively, to determine whether the fifth ambient sound signal and the sixth ambient sound signal contain voice signals.
Specifically, the flag bit corresponding to the fifth ambient sound signal and the flag bit corresponding to the sixth ambient sound signal are read, respectively, and if the flag bit corresponding to the fifth ambient sound signal is "1" and the flag bit corresponding to the sixth ambient sound signal is also "1", that is, before the other people around the wearer speak, it is detected that the wearer is speaking, and at this time, it can be considered that the wearer has a dialogue behavior.
If it is detected that only the fifth ambient sound signal contains a speech signal, or only the sixth ambient sound signal contains a speech signal, or neither the fifth ambient sound signal nor the sixth ambient sound signal contains a speech signal. That is, if the flag bit corresponding to the fifth ambient sound signal is "1" and the flag bit corresponding to the sixth ambient sound signal is also "0", or if the flag bit corresponding to the fifth ambient sound signal is "0" and the flag bit corresponding to the sixth ambient sound signal is also "1", this indicates that the wearer has not detected speaking before the other persons around the wearer speak, and it can be considered that the wearer has not exhibited any dialogue.
According to an embodiment of the present disclosure, in case the second ambient sound signal does not contain a speech signal. Whether the dialog behavior of the wearer occurs or not is judged further based on the fifth environment sound signal picked up by the feedforward microphone and the sixth environment sound signal picked up by the feedback microphone in the last sampling period, and the accuracy of detection can be improved.
And step S3400, controlling the earphone to be switched to a transparent transmission mode under the condition that the wearer has conversation behavior.
In specific implementation, under the condition that a conversation behavior occurs to a wearer, a transparent transmission mode starting instruction is generated, and the transparent filter is controlled to work through the instruction, so that the user can clearly listen to the sound of people around under the condition of wearing the earphone, and the use by the user is facilitated.
In one embodiment of the present disclosure, the method for controlling the headset may further include: step S6100.
In step S6100, the earphone is controlled to switch to the noise reduction mode when the first ambient sound signal does not include the voice signal.
It will be appreciated that for an active noise reduction headphone, the default operating mode of which is the noise reduction mode, the headphone is controlled to remain in the noise reduction mode in case the first ambient sound signal does not comprise a speech signal. And for the earphone which is not started with the noise reduction function, controlling the earphone to be switched to the noise reduction mode under the condition that the first environment sound signal does not contain the voice signal.
In this embodiment, under the condition that the first environmental sound signal does not include a speech signal, it indicates that other people around the wearer do not speak at this time, and at this time, the earphone is switched to the noise reduction mode, so that interference of an external noise signal to the user can be avoided.
When the earphone is in the outgoing mode, external noise signals can cause interference to users, and the playing effect of the earphone is affected. Based on the method, after the earphone is controlled to start the transparent transmission mode, whether the transparent transmission mode needs to be closed or not can be determined by identifying whether the environment sound signal picked up by the feedforward microphone contains a voice signal or not, and the noise reduction mode is started.
In an embodiment of the present disclosure, after controlling the headset to switch to the transparent transmission mode, the method for controlling the headset may further include: and S7100 to S7200.
In step S7100, a third ambient sound signal picked up by the feedforward microphone for the next sampling period is acquired.
It is understood that the next sampling period may be set by a person skilled in the art according to practical situations, for example, the next sampling period may be 10s, and the length of the next sampling period is not particularly limited by the embodiments of the present disclosure. According to the embodiment of the disclosure, by setting the next sampling period, the detection efficiency can be improved while the detection accuracy is ensured.
And step S7200, under the condition that the third environment sound signal does not contain the voice signal, controlling the earphone to switch to the noise reduction mode.
In particular implementations, speech recognition is performed on the third ambient sound signal to determine whether the third ambient sound signal includes a speech signal. If the third environmental sound signal contains a voice signal, that is, after the wearer speaks, it is still detected that other people around the wearer speak, and at this time, the wearer can be considered to be still talking with other people around, and at this time, the earphone is controlled to keep the transparent transmission mode, so as to avoid influencing the communication between the wearer and other people. If the third ambient sound signal does not contain a speech signal, i.e. the wearer and/or other persons around the wearer do not speak, it may be considered that the wearer has finished the conversation with the other persons around, and at this time, the earphone is controlled to switch to the noise reduction mode, so as to avoid the interference of the external noise signal to the user.
The embodiment of the disclosure can determine whether a conversation behavior occurs to an earphone wearer according to the environmental sound signals picked up by the feedforward microphone and the feedback microphone of the earphone, and when the conversation behavior occurs to the earphone wearer, the earphone is controlled to be automatically switched to the transparent transmission mode, so that a user can talk with other people under the condition of wearing the earphone, and the use of the user is facilitated.
The following describes a control method of the headphone by using a specific example. Referring to fig. 4, the control method of the headset includes the following steps.
Step S401, when the earphone is in the noise reduction mode, acquiring a first ambient sound signal picked up by a feedforward microphone of the earphone in a current sampling period.
Step S402, identifying whether the first environmental sound signal contains a voice signal, if so, executing step S403, otherwise, executing step S410.
Step S403, acquiring a second ambient sound signal picked up by a feedback microphone of the earphone in the current sampling period.
And S404, identifying whether the second environment sound signal contains a sound signal, if so, executing S405, otherwise, executing S408.
Step S405, a fourth ambient sound signal picked up by a feedforward microphone of the headphone in the previous sampling period is obtained.
And step S406, identifying whether the fourth environment sound signal contains a sound signal, if so, executing step S407, otherwise, returning to step S401.
And step S407, controlling the earphone to be switched to a transparent transmission mode.
In step S408, a fifth ambient sound signal picked up by the feedforward microphone and a sixth ambient sound signal picked up by the feedback microphone in the previous sampling period are obtained.
Step S409, recognizing that the fifth ambient sound signal and the sixth ambient sound signal both include a speech signal, if yes, executing step S407, otherwise, returning to step S401.
And step S410, controlling the earphone to keep a noise reduction mode.
According to the example, whether a conversation behavior occurs to the earphone wearer can be determined according to the environmental sound signals picked up by the feedforward microphone and the feedback microphone of the earphone, when the conversation behavior occurs to the earphone wearer, the earphone is controlled to be automatically switched to the transparent transmission mode, and then the user can talk with other people even when wearing the earphone, so that the use of the user is facilitated. When the conversation behavior does not appear or the conversation behavior is finished for the earphone wearer, the earphone is controlled to be switched to the noise reduction mode, interference caused by external noise signals to the wearer is avoided, therefore, the earphone is controlled to be automatically switched between the noise reduction mode and the transparent transmission mode according to the change of the use scene of the wearer, the use is convenient, and the user experience is better.
< apparatus embodiment >
Referring to fig. 5, the present disclosure provides a control apparatus 500 of a headset, where the control apparatus 500 of the headset includes a first obtaining module 510, a second obtaining module 520, a determining module 530, and a control module 540.
The first obtaining module 510 is configured to obtain a first ambient sound signal picked up by a feedforward microphone of the headset during a current sampling period.
The second obtaining module 520 is configured to obtain the second ambient sound signal picked up by the feedback microphone of the earphone in the current sampling period, when the first ambient sound signal includes a voice signal.
The determining module 530 is configured to determine whether a dialogue act occurs for the wearer based on the first ambient sound signal and the second ambient sound signal.
In one embodiment of the present disclosure, the determining whether a dialog behavior occurs for a wearer according to the first ambient sound signal and the second ambient sound signal includes:
performing voice recognition on the second environment sound signal, and determining whether the second environment sound signal contains a voice signal;
under the condition that the second environment sound signal contains a voice signal, acquiring a fourth environment sound signal picked up by the feedforward microphone in the last sampling period;
determining that a dialog behavior occurs for the wearer in case the fourth ambient sound signal comprises a speech signal;
in the event that the fourth ambient sound signal does not contain a speech signal, determining that no dialogue activity has occurred for the wearer.
In one embodiment of the present disclosure, the determining whether a dialog behavior occurs for the wearer according to the first ambient sound signal and the second ambient sound signal further comprises:
under the condition that the second environment sound signal does not contain a voice signal, acquiring a fifth environment sound signal picked up by the feedforward microphone and a sixth environment sound signal picked up by the feedback microphone in the last sampling period;
determining that a dialog behavior occurs for the wearer if the fifth ambient sound signal and the sixth ambient sound signal both comprise speech signals;
determining that no dialogue action is present for the wearer if the fifth ambient sound signal and the sixth ambient sound signal both comprise speech signals.
The control module 540 is configured to control the headset to switch to the transparent transmission mode when the dialog behavior of the wearer occurs.
In an embodiment of the present disclosure, the control module 540 is further configured to control the headset to switch to the noise reduction mode if the first ambient sound signal does not contain a speech signal.
In one embodiment of the present disclosure, the first obtaining module 510 is further configured to obtain a third ambient sound signal picked up by the feed-forward microphone in a next sampling period.
The control module 540 is further configured to control the headset to switch to a noise reduction mode if the third ambient sound signal does not contain a speech signal.
According to the control device of the earphone provided by the embodiment of the disclosure, whether the conversation behavior occurs to the earphone wearer can be determined according to the environmental sound signals picked up by the feedforward microphone and the feedback microphone of the earphone, when the conversation behavior occurs to the earphone wearer, the earphone is controlled to be automatically switched to the transparent transmission mode, so that the user can talk with other people under the condition of wearing the earphone, and the use of the user is facilitated.
< earphone embodiment >
Referring to fig. 6, an embodiment of the present disclosure further provides an earphone 600. The headset 600 may be, for example, a headset 2000 as shown in fig. 2.
The headset 600 includes a processor 610 and a memory 620.
The memory 620 is used to store executable computer programs.
The processor 610 is adapted to execute the method of controlling a headset according to any of the preceding method embodiments, under control of the executable computer program.
In one embodiment, the headset 800 includes a feed-forward microphone and a feedback microphone. The earphone 800 may be, for example, an ANC (Active Noise Cancellation) earphone.
According to the earphone provided by the embodiment of the disclosure, whether the conversation behavior occurs to the earphone wearer can be determined according to the environmental sound signals picked up by the feedforward microphone and the feedback microphone of the earphone, when the conversation behavior occurs to the earphone wearer, the earphone is controlled to be automatically switched to the transparent transmission mode, and then the user can talk with other people under the condition of wearing the earphone, so that the use of the user is facilitated.
< computer-readable storage Medium >
The disclosed embodiments also provide a computer readable storage medium, on which computer instructions are stored, and when the computer instructions are executed by a processor, the method for controlling the earphone provided by the disclosed embodiments is executed.
The disclosed embodiments may be systems, methods, and/or computer program products. The computer program product may include a computer-readable storage medium having computer-readable program instructions embodied thereon for causing a processor to implement aspects of embodiments of the disclosure.
The computer readable storage medium may be a tangible device that can hold and store the instructions for use by the instruction execution device. The computer readable storage medium may be, for example, but not limited to, an electronic memory device, a magnetic memory device, an optical memory device, an electromagnetic memory device, a semiconductor memory device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), a Static Random Access Memory (SRAM), a portable compact disc read-only memory (CD-ROM), a Digital Versatile Disc (DVD), a memory stick, a floppy disk, a mechanical coding device, such as punch cards or in-groove projection structures having instructions stored thereon, and any suitable combination of the foregoing. Computer-readable storage media as used herein is not to be construed as transitory signals per se, such as radio waves or other freely propagating electromagnetic waves, electromagnetic waves propagating through a waveguide or other transmission medium (e.g., optical pulses through a fiber optic cable), or electrical signals transmitted through electrical wires.
The computer-readable program instructions described herein may be downloaded from a computer-readable storage medium to a respective computing/processing device, or to an external computer or external storage device via a network, such as the internet, a local area network, a wide area network, and/or a wireless network. The network may include copper transmission cables, fiber optic transmission, wireless transmission, routers, firewalls, switches, gateway computers and/or edge servers. The network adapter card or network interface in each computing/processing device receives computer-readable program instructions from the network and forwards the computer-readable program instructions for storage in a computer-readable storage medium in the respective computing/processing device.
The computer program instructions for carrying out operations for embodiments of the present disclosure may be assembly instructions, Instruction Set Architecture (ISA) instructions, machine related instructions, microcode, firmware instructions, state setting data, or source code or object code written in any combination of one or more programming languages, including an object oriented programming language such as Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The computer-readable program instructions may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider). In some embodiments, the electronic circuitry that can execute the computer-readable program instructions implements aspects of the disclosed embodiments by personalizing the custom electronic circuitry, such as a programmable logic circuit, a Field Programmable Gate Array (FPGA), or a Programmable Logic Array (PLA), with state information of the computer-readable program instructions.
Various aspects of embodiments of the present disclosure are described herein with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the disclosure. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer-readable program instructions.
These computer-readable program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions/acts specified in the flowchart and/or block diagram block or blocks. These computer-readable program instructions may also be stored in a computer-readable storage medium that can direct a computer, programmable data processing apparatus, and/or other devices to function in a particular manner, such that the computer-readable medium storing the instructions comprises an article of manufacture including instructions which implement the function/act specified in the flowchart and/or block diagram block or blocks.
The computer readable program instructions may also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the instructions which execute on the computer, other programmable apparatus or other devices implement the functions/acts specified in the flowchart and/or block diagram block or blocks.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of instructions, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions. It is well known to those skilled in the art that implementation by hardware, implementation by software, and implementation by a combination of software and hardware are equivalent.
Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein. The scope of the embodiments of the present disclosure is defined by the appended claims.
Claims (11)
1. A method of controlling a headset, the method comprising:
acquiring a first environment sound signal picked up by a feedforward microphone of the earphone in a current sampling period;
under the condition that the first environment sound signal contains a voice signal, acquiring a second environment sound signal picked up by a feedback microphone of the earphone in the current sampling period;
determining whether a dialog behavior occurs for the wearer based on the first ambient sound signal and the second ambient sound signal;
and controlling the earphone to be switched to a transparent transmission mode under the condition that the conversation behavior of the wearer occurs.
2. The method of claim 1, further comprising:
controlling the earphone to switch to a noise reduction mode if the first ambient sound signal does not contain a speech signal.
3. The method of claim 1, further comprising, after controlling the headset to switch to a pass-through mode:
obtaining a third ambient sound signal picked up by the feedforward microphone for a next sampling period;
controlling the earphone to switch to a noise reduction mode if the third ambient sound signal does not contain a speech signal.
4. The method of claim 1, wherein said determining whether a dialogue activity is present for the wearer based on the first ambient sound signal and the second ambient sound signal comprises:
performing voice recognition on the second environment sound signal, and determining whether the second environment sound signal contains a voice signal;
under the condition that the second environment sound signal contains a voice signal, acquiring a fourth environment sound signal picked up by the feedforward microphone in the last sampling period;
determining that a dialog behavior occurs for the wearer in case the fourth ambient sound signal comprises a speech signal;
in the event that the fourth ambient sound signal does not contain a speech signal, determining that no dialogue activity has occurred for the wearer.
5. The method of claim 4, wherein determining whether a dialog activity is occurring for the wearer based on the first ambient sound signal and the second ambient sound signal further comprises:
under the condition that the second environment sound signal does not contain a voice signal, acquiring a fifth environment sound signal picked up by the feedforward microphone and a sixth environment sound signal picked up by the feedback microphone in the last sampling period;
determining that a dialog behavior occurs for the wearer if the fifth ambient sound signal and the sixth ambient sound signal both comprise speech signals;
determining that no dialogue action is present for the wearer if the fifth ambient sound signal and the sixth ambient sound signal both comprise speech signals.
6. The method of claim 5, further comprising:
and determining whether the environment sound signal contains a voice signal or not based on a preset recognition model.
7. The method of claim 5, further comprising:
extracting signal features of an ambient sound signal, the signal features including frequency, amplitude and energy;
determining whether the ambient sound signal comprises a speech signal according to the signal characteristics.
8. The method according to claim 6 or 7, wherein the ambient sound signal comprises at least one of the first ambient sound signal, the second ambient sound signal, the fourth ambient sound signal, the fifth ambient sound signal and the sixth ambient sound signal.
9. A control device for a headset, comprising:
the system comprises a first acquisition module, a second acquisition module and a control module, wherein the first acquisition module is used for acquiring a first environment sound signal picked up by a feedforward microphone of the earphone in a current sampling period;
the second acquisition module is used for acquiring a second environment sound signal picked up by a feedback microphone of the earphone in the current sampling period under the condition that the first environment sound signal contains a voice signal;
a determining module, configured to determine whether a dialog behavior occurs for a wearer according to the first ambient sound signal and the second ambient sound signal;
and the control module is used for controlling the earphone to be switched to a transparent transmission mode under the condition that the wearer has conversation behavior.
10. A headset comprising a processor and a memory, the memory storing computer instructions which, when executed by the processor, perform the method of any one of claims 1-8.
11. A computer readable storage medium having stored thereon computer instructions which, when executed by a processor, perform the method of any of claims 1-8.
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