CN115835075A - Low-power-consumption in-ear Bluetooth headset and noise reduction method - Google Patents
Low-power-consumption in-ear Bluetooth headset and noise reduction method Download PDFInfo
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- CN115835075A CN115835075A CN202211146328.5A CN202211146328A CN115835075A CN 115835075 A CN115835075 A CN 115835075A CN 202211146328 A CN202211146328 A CN 202211146328A CN 115835075 A CN115835075 A CN 115835075A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention relates to the technical field of earphones, in particular to a low-power-consumption in-ear Bluetooth earphone, which can pick up noise outside the earphone through a first sound detection unit and generate the noise to a processor for analysis and processing, wherein when the processor detects that the picked-up noise is greater than a preset value, a noise reduction unit is started, and if the noise picked up by the first sound detection unit is smaller, the noise reduction unit is not started, so that the power consumption of the earphone can be reduced, and a second sound detection unit can carry out secondary detection on sound inside an auditory canal of a wearer and negatively feeds back the sound to the noise reduction unit for noise reduction processing, so that the noise reduction effect is obvious; a noise reduction method of a low-power-consumption in-ear Bluetooth headset is characterized in that a noise reduction unit is started when noise is larger than a preset valve value, and the noise reduction unit is not started, so that the power consumption of the Bluetooth headset can be effectively reduced, and the standby time of the Bluetooth headset is prolonged.
Description
Technical Field
The invention relates to the technical field of earphones, in particular to a low-power-consumption in-ear Bluetooth earphone and a noise reduction method.
Background
With the social progress and the improvement of the living standard of people, the earphone becomes an indispensable living article in the life of people. People often answer and make calls in streets, buses and subways, noise in the environment can be picked up by a call microphone of an earphone, mixed with the content of the speech of people and sent to a receiver of the other party in an uplink mode, and the voice quality of the call answered by the other party is affected, so that the uplink noise reduction technology is necessary. In addition, the wireless intelligent earphone with the built-in voice assistant can help a user to inquire weather, make a call, broadcast weather, monitor heart rate and the like, and an intelligent music recommendation system based on deep learning can also perform accurate and diversified music recommendation according to the song listening habits, the real-time heart rate, the activity scenes and the like of the user, so that the earphone with the function can be recognized by more and more users, but the general power consumption of the earphone is larger, and the standby time is short. But current bluetooth headset noise reduction effect is relatively poor, can carry out partial processing with the sound of earphone broadcast when making an uproar, still can't feed back the inside noise reduction effect of duct, experiences and feels relatively poor.
Disclosure of Invention
The invention provides a low-power-consumption in-ear Bluetooth headset and a noise reduction method aiming at the problems in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a low-power-consumption in-ear Bluetooth headset, which comprises a Bluetooth headset body, wherein a first sound detection unit, a microprocessor, a second sound detection unit, a noise reduction unit and a bone conduction sounder are arranged in the Bluetooth headset body, the first sound detection unit is arranged at the outer end of an ear of the Bluetooth headset body, and the second sound detection unit is arranged at the in-ear end of the Bluetooth headset body; the first sound detection unit, the second sound detection unit, the noise reduction unit and the bone conduction sounder are electrically connected with the microprocessor;
the first sound detection unit and the second sound detection unit are respectively used for detecting noises outside the ears and inside the ears and sending the detected noises to the processor;
the processor receives the noises sent by the first sound detection unit and the second sound detection unit, and when the processor detects that the noise is greater than a preset valve value, the processor triggers the noise reduction unit;
and the noise reduction unit is used for actively reducing noise of the noise detected by the first sound detection unit and the second sound detection unit.
Preferably, the bone conduction sounders are arranged at the upper end and the lower end of the ear-in end of the Bluetooth headset body respectively.
Preferably, the microprocessor is integrated with a GPS module and a communication module, the GPS module and the communication module are both electrically connected with the processor, the GPS module is used for acquiring a geographic position signal of the Bluetooth headset body, judging whether a user is in a public place area currently according to the geographic position signal, and if so, triggering the noise reduction unit.
Preferably, the noise reduction unit includes a filter circuit, a first operational amplifier, and a first noise reduction circuit, and the noise signal detected by the second detection sensor is sent to the filter circuit, the first operational amplifier, and the first noise reduction circuit through the microprocessor for processing.
Preferably, the noise reduction unit further includes a second operational amplifier and a second noise reduction circuit, the second operational amplifier secondarily amplifies the noise-reduced signal of the first noise reduction circuit, and the second noise reduction circuit secondarily reduces the noise of the secondarily amplified noise signal.
Preferably, the Bluetooth headset is characterized in that a control button is arranged on the Bluetooth headset body and electrically connected with the microprocessor, and the control button is installed at the outer end of the Bluetooth headset body.
Preferably, the inside speaker that still is provided with of bluetooth headset body, the speaker with microprocessor connection of electric lines, the speaker is provided with two, two the speaker is tweeter and woofer respectively.
Preferably, the first sound detection unit and the second sound detection unit are both provided in two.
A noise reduction method of a low-power-consumption in-ear Bluetooth headset comprises the following steps:
the method comprises the following steps that firstly, sound outside a Bluetooth headset body is detected through a first sound detection unit, and a detected noise signal is sent to a processor;
detecting the sound outside the Bluetooth earphone body through a second sound detection unit, and sending a detected noise signal to a processor;
thirdly, the processor receives the noises sent by the first sound detection unit and the second sound detection unit, and when the processor detects that the noise is larger than a preset valve value, the processor triggers the noise reduction unit;
and fourthly, the noise reduction unit carries out active noise reduction processing on the noise detected by the first sound detection unit and the second sound detection unit.
Preferably, the noise reduction unit in the fourth step can be turned off by a control button; the GPS module and the communication module are used for acquiring a geographical position signal of the Bluetooth headset body, judging whether a user is in a public place area currently or not according to the geographical position signal, and if so, triggering the noise reduction unit.
The invention has the beneficial effects that:
the invention provides a low-power-consumption in-ear Bluetooth headset, which comprises a Bluetooth headset body, wherein a first sound detection unit, a microprocessor, a second sound detection unit, a noise reduction unit and a bone conduction sounder are arranged in the Bluetooth headset body, the first sound detection unit is arranged at the outer end of an ear of the Bluetooth headset body, and the second sound detection unit is arranged at the in-ear end of the Bluetooth headset body; the first sound detection unit, the second sound detection unit, the noise reduction unit and the bone conduction sounder are electrically connected with the microprocessor; the first sound detection unit and the second sound detection unit are respectively used for detecting noises outside the ears and inside the ears and sending the detected noises to the processor; the processor receives the noises sent by the first sound detection unit and the second sound detection unit, and when the processor detects that the noise is greater than a preset valve value, the processor triggers the noise reduction unit; the noise reduction unit is used for actively reducing noise of the noise detected by the first sound detection unit and the second sound detection unit, the noise outside the earphone can be picked up by the first sound detection unit and is generated to the processor for analysis processing, when the processor detects that the picked-up noise is larger than a preset value, the noise reduction unit is started, otherwise, if the noise picked up by the first sound detection unit is smaller, the noise reduction unit is not started, the power consumption of the earphone can be reduced, the second sound detection unit can carry out secondary detection on the sound inside the auditory canal of a wearer, and the sound is negatively fed back to the noise reduction unit for noise reduction processing, so that the noise reduction effect is obvious, and the bone conduction sound generator is adopted in the earphone, so that the noise inside the auditory canal is further reduced.
A noise reduction method of a low-power-consumption in-ear Bluetooth headset comprises the following steps: the method comprises the following steps that firstly, sound outside a Bluetooth headset body is detected through a first sound detection unit, and a detected noise signal is sent to a processor; detecting the sound outside the Bluetooth earphone body through a second sound detection unit, and sending a detected noise signal to a processor; thirdly, the processor receives the noise sent by the first sound detection unit and the second sound detection unit, and when the processor detects that the noise is larger than a preset valve value, the processor triggers the noise reduction unit; and fourthly, the noise reduction unit actively reduces the noise detected by the first sound detection unit and the second sound detection unit, and the noise reduction method starts the noise reduction unit when the noise is larger than a preset valve value, otherwise does not start the noise reduction unit, can effectively reduce the electric quantity consumption of the Bluetooth headset, and prolongs the standby time of the Bluetooth headset.
Drawings
Fig. 1 is a frame diagram of the present invention.
FIG. 2 is a flow chart of the method of the present invention.
The reference numerals are respectively:
the bone conduction acoustic detector comprises a first sound detection unit-1, a second sound detection unit-2, a microprocessor-3, a noise reduction unit-4, a bone conduction acoustic generator-5, a GPS module-6, a communication module-7, a control button-8 and a loudspeaker-9.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention is described in detail below with reference to the attached drawings.
Example one
As shown in fig. 1, the low-power-consumption in-ear bluetooth headset provided by the present invention includes a bluetooth headset body, wherein a first sound detection unit 1, a microprocessor 3, a second sound detection unit 2, a noise reduction unit 4, and a bone conduction sound generator 5 are disposed inside the bluetooth headset body, the first sound detection unit is mounted at an outer ear end of the bluetooth headset body, and the second sound detection unit 2 is mounted at an in-ear end of the bluetooth headset body; the first sound detection unit 1, the second sound detection unit, the noise reduction unit 4 and the bone conduction sounder 5 are all electrically connected with the microprocessor 3; the first sound detection unit 1 and the second sound detection unit 2 are respectively used for detecting noises outside and inside ears and sending the detected noises to the processor; the processor receives the noises sent by the first sound detection unit 1 and the second sound detection unit 2, and when the processor detects that the noise is greater than a preset valve value, the processor triggers the noise reduction unit 4; the noise reduction unit 4 performs active noise reduction processing on the noise detected by the first sound detection unit 1 and the second sound detection unit 2, the noise outside the earphone can be picked up by the first sound detection unit 1 and is generated to the processor for analysis processing, when the processor detects that the picked-up noise is larger than a preset value, the noise reduction unit 4 is started, otherwise, if the noise picked up by the first sound detection unit 1 is smaller, the noise reduction unit 4 is not started, so that the power consumption of the earphone can be reduced, the second sound detection unit 2 can perform secondary detection on the sound inside the auditory canal of a wearer and negatively feeds the sound inside the auditory canal of the wearer to the noise reduction unit 4 for noise reduction processing, so that the noise reduction effect is obvious, and the bone conduction sound generator 5 is adopted in the invention, so that the noise inside the auditory canal is further reduced.
In this embodiment, in order to ensure the reliability of audio transmission and increase the contact area between the bone conduction sound generators 5 and the ear canal, two bone conduction sound generators 5 are provided, and the bone conduction sound generators 5 are respectively arranged at the upper end and the lower end of the in-ear end of the bluetooth headset body.
In this embodiment, the microprocessor 3 is integrated with a GPS module 6 and a communication module 7, the GPS module 6 and the communication module 7 are both electrically connected to the processor, the GPS module 6 is configured to acquire a geographic position signal of the bluetooth headset body, determine whether a user is currently located in a public area according to the geographic position signal, and trigger the noise reduction unit 4 if the user is currently located in the public area.
In this embodiment, the noise reduction unit 4 includes a filter circuit, a first operational amplifier and a first noise reduction circuit, the noise signal detected by the second detection sensor is sent to the filter circuit, the first operational amplifier and the first noise reduction circuit through the microprocessor 3 for noise reduction processing, the noise reduction unit 4 further includes a second operational amplifier and a second noise reduction circuit, the second operational amplifier secondarily amplifies the noise-reduced signal of the first noise reduction circuit, and the second noise reduction circuit secondarily reduces the noise-reduced signal of the secondarily amplified noise signal.
In this embodiment, be provided with control button 8 on the bluetooth headset body, control button 8 with microprocessor 3 electric connection, control button 8 install in the ear outer end of bluetooth headset body.
In this embodiment, the inside speaker 9 that still is provided with of bluetooth headset body, speaker 9 with microprocessor 3 connection of electric lines, speaker 9 is provided with two, two speaker 9 is tweeter 9 and woofer 9 respectively, specifically, when using, can select bone conduction sound production ware 5 or speaker 9 according to the demand.
In this embodiment, in order to ensure the accuracy of picking up noise by the first sound detecting unit 1 and the second sound detecting unit 2, two sound detecting units are provided for the first sound detecting unit 1 and the second sound detecting unit 2.
Example two
As shown in fig. 2, the noise reduction method for a low power consumption in-ear bluetooth headset according to the present invention includes the following steps: the method comprises the following steps that firstly, sound outside a Bluetooth headset body is detected through a first sound detection unit 1, and a detected noise signal is sent to a processor; secondly, detecting the sound outside the Bluetooth headset body through the second sound detection unit 2, and sending a detected noise signal to the processor; thirdly, the processor receives the noises sent by the first sound detection unit 1 and the second sound detection unit 2, and when the processor detects that the noise is greater than a preset valve value, the processor triggers the noise reduction unit 4; and fourthly, the noise reduction unit 4 actively reduces the noise detected by the first sound detection unit 1 and the second sound detection unit 2, and the noise reduction method starts the noise reduction unit 4 when the noise is larger than a preset valve value, otherwise, does not start the noise reduction unit 4, can effectively reduce the electric quantity consumption of the Bluetooth headset, and prolongs the standby time of the Bluetooth headset.
In this embodiment, the noise reduction unit 4 in step four may be turned off by the control button 8; and acquiring a geographical position signal of the Bluetooth headset body through a GPS module 6 and a communication module 7, judging whether a user is in a public place area currently according to the geographical position signal, and triggering the noise reduction unit 4 if the user is in the public place area currently.
Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A low-power-consumption in-ear Bluetooth headset, comprising: the Bluetooth headset comprises a Bluetooth headset body, wherein a first sound detection unit, a microprocessor, a second sound detection unit, a noise reduction unit and a bone conduction sounder are arranged in the Bluetooth headset body, the first sound detection unit is installed at the outer end of an ear of the Bluetooth headset body, and the second sound detection unit is installed at the in-ear end of the Bluetooth headset body; the first sound detection unit, the second sound detection unit, the noise reduction unit and the bone conduction sounder are electrically connected with the microprocessor;
the first sound detection unit and the second sound detection unit are respectively used for detecting noise outside the ears and inside the ears and sending the detected noise to the processor;
the processor receives the noises sent by the first sound detection unit and the second sound detection unit, and when the processor detects that the noise is greater than a preset valve value, the processor triggers the noise reduction unit;
and the noise reduction unit is used for actively reducing noise of the noise detected by the first sound detection unit and the second sound detection unit.
2. A low power in-ear bluetooth headset according to claim 1, characterized in that: the bone conduction sounder is provided with two, the bone conduction sounder is respectively arranged at the upper end and the lower end of the ear-in end of the Bluetooth headset body.
3. A low power in-ear bluetooth headset according to claim 1, characterized in that: the Bluetooth headset comprises a Bluetooth headset body, a microprocessor and a communication module, wherein the Bluetooth headset body is provided with a public place area, the microprocessor is integrated with a GPS module and the communication module, the GPS module and the communication module are electrically connected with the processor, the GPS module is used for acquiring a geographical position signal of the Bluetooth headset body, judging whether a user is in the public place area currently according to the geographical position information, and if so, triggering a noise reduction unit.
4. A low power in-ear bluetooth headset according to claim 1, characterized in that: the noise reduction unit comprises a filter circuit, a first operational amplifier and a first noise reduction circuit, and a noise signal detected by the second detection sensor is sent to the filter circuit, the first operational amplifier and the first noise reduction circuit through a microprocessor for processing.
5. A low power Bluetooth headset in accordance with claim 4, wherein: the noise reduction unit further comprises a second operational amplifier and a second noise reduction circuit, the second operational amplifier secondarily amplifies the signal subjected to noise reduction by the first noise reduction circuit, and the second noise reduction circuit secondarily reduces the noise of the secondarily amplified noise signal.
6. A low power in-ear bluetooth headset according to claim 1, characterized in that: the Bluetooth headset is characterized in that a control button is arranged on the Bluetooth headset body and electrically connected with the microprocessor, and the control button is installed at the outer end of the Bluetooth headset body.
7. A low power in-ear bluetooth headset according to claim 1, characterized in that: the inside speaker that still is provided with of bluetooth headset body, the speaker with microprocessor connection of electric lines, the speaker is provided with two, two the speaker is tweeter and woofer respectively.
8. A low power in-ear bluetooth headset according to claim 1, characterized in that: the first sound detection unit and the second sound detection unit are both provided with two sound detection units.
9. A noise reduction method of a low-power-consumption in-ear Bluetooth headset is characterized by comprising the following steps:
the method comprises the following steps that firstly, sound outside a Bluetooth headset body is detected through a first sound detection unit, and a detected noise signal is sent to a processor;
detecting the sound outside the Bluetooth earphone body through a second sound detection unit, and sending a detected noise signal to a processor;
thirdly, the processor receives the noises sent by the first sound detection unit and the second sound detection unit, and when the processor detects that the noise is larger than a preset valve value, the processor triggers the noise reduction unit;
and fourthly, the noise reduction unit carries out active noise reduction processing on the noise detected by the first sound detection unit and the second sound detection unit.
10. The method of claim 9, wherein the noise reduction of the bluetooth low energy headset comprises: the noise reduction unit in the fourth step can be closed through a control button; the GPS module and the communication module are used for acquiring a geographical position signal of the Bluetooth headset body, judging whether a user is in a public place area currently or not according to the geographical position signal, and if so, triggering the noise reduction unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211146328.5A CN115835075A (en) | 2022-09-20 | 2022-09-20 | Low-power-consumption in-ear Bluetooth headset and noise reduction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211146328.5A CN115835075A (en) | 2022-09-20 | 2022-09-20 | Low-power-consumption in-ear Bluetooth headset and noise reduction method |
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| Publication Number | Publication Date |
|---|---|
| CN115835075A true CN115835075A (en) | 2023-03-21 |
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|---|---|---|---|
| CN202211146328.5A Pending CN115835075A (en) | 2022-09-20 | 2022-09-20 | Low-power-consumption in-ear Bluetooth headset and noise reduction method |
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| CN (1) | CN115835075A (en) |
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- 2022-09-20 CN CN202211146328.5A patent/CN115835075A/en active Pending
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