CN116546376A - Earphone of making an uproar falls in radio - Google Patents
Earphone of making an uproar falls in radio Download PDFInfo
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- CN116546376A CN116546376A CN202310596056.7A CN202310596056A CN116546376A CN 116546376 A CN116546376 A CN 116546376A CN 202310596056 A CN202310596056 A CN 202310596056A CN 116546376 A CN116546376 A CN 116546376A
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Classifications
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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
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
- H04R2201/105—Manufacture of mono- or stereophonic headphone components
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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
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- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The application is applicable to the technical field of earphones, and provides a sound receiving and noise reducing earphone which comprises a main control module, a first module, a second module, a key module and a loudspeaker module, wherein the first module, the second module, the key module and the loudspeaker module are in communication connection with the main control module; the key module is used for responding to a first pressing operation of a user to generate a first working mode instruction and sending the first working mode instruction to the main control module, responding to a second pressing operation of the user to generate a second working mode instruction and sending the second working mode instruction to the main control module; the main control module is used for controlling the first module to enter a first working state according to the first working mode instruction and controlling the second module to enter a second working state according to the second working mode instruction. The radio and noise reduction earphone provided by the application not only can receive broadcast signals in an examination and has a noise reduction function on the received broadcast signals, but also can realize a data interaction function with a user terminal by establishing wired or wireless communication connection with the user terminal.
Description
Technical Field
The application belongs to the technical field of earphones, and particularly relates to a radio and noise reduction earphone.
Background
In many language tests, such as college english level four tests, college english level six tests, english specialty level four tests, english specialty level eight tests, national college student english contests, and end-of-term english tests at each university, broadcasting is generally used to play english hearing, and an examinee needs to receive hearing content with a self-provided radio and earphone, so that many noise or noise occurs in the process, and interference is easily caused to the examinee.
Disclosure of Invention
In view of this, the embodiment of the application provides a sound receiving and noise reducing earphone to solve the problem that noise or noise occurs when a test taker receives hearing content through broadcasting.
The embodiment of the application provides a sound reception and noise reduction earphone, which comprises a main control module, a first module, a second module, a key module and a loudspeaker module, wherein the first module, the second module, the key module and the loudspeaker module are in communication connection with the main control module;
the key module is used for:
generating a first working mode instruction in response to a first pressing operation of a user and sending the first working mode instruction to the main control module;
generating a second working mode instruction in response to a second pressing operation of a user and sending the second working mode instruction to the main control module;
the main control module is used for:
according to the first working mode instruction, the first module is controlled to enter a first working state;
and controlling the second module to enter a second working state according to the second working mode instruction.
In one embodiment, the first module is configured to:
receiving a radio broadcast signal, processing the radio broadcast signal to obtain a target audio signal, and sending the target audio signal to the main control module;
the second module is configured to:
establishing wireless communication connection with a first user terminal, receiving audio data sent by the first user terminal, and sending the audio data to the main control module;
the main control module is further used for:
receiving the target audio signal and controlling the loudspeaker module to play the target audio signal;
and receiving the audio data and controlling the loudspeaker module to play the audio data.
In one embodiment, the first module includes an input loop unit, a mixing unit, an intermediate frequency amplifier unit, a detection unit, a pre-low frequency amplifier unit, a noise reduction unit, and a power amplifier unit;
the input loop unit is used for receiving a radio broadcast signal and sending the radio broadcast signal to the mixing unit;
the mixing unit is used for receiving the radio broadcast signal, modulating the radio broadcast signal into an intermediate frequency broadcast signal and transmitting the intermediate frequency broadcast signal to the intermediate frequency amplifier unit;
the intermediate frequency amplifier unit is used for receiving an intermediate frequency broadcast signal, modulating the intermediate frequency broadcast signal into a broadcast signal meeting the requirements of the detection unit, and sending the broadcast signal to the detection unit;
the detection unit is used for receiving a broadcast signal, obtaining an initial audio signal by demodulating the broadcast signal, and sending the initial audio signal to the noise reduction unit;
the noise reduction unit is used for receiving and carrying out noise reduction processing on the initial audio signal, obtaining a noise reduction audio signal and sending the noise reduction audio signal to the pre-low frequency amplifier unit;
the pre-low frequency amplifier unit is used for receiving and amplifying the noise reduction audio signal to obtain a target noise reduction audio signal, and sending the target noise reduction audio signal to the power amplifier unit;
the power amplification unit is used for receiving and processing the target noise reduction audio signal, obtaining a target audio signal and sending the target audio signal to the main control module.
In one embodiment, the noise reduction unit includes at least one of an IIR filter, an FIR filter, and a digital signal processing filter.
In one embodiment, the second module comprises a wireless communication unit, a microphone unit, and an LED indication unit;
the wireless communication unit is used for establishing wireless communication connection with a first user terminal and realizing data interaction with the first user terminal;
the microphone unit is used for realizing voice interaction with the first user terminal;
the LED indicating unit is used for displaying whether the earphone is in a second working state.
In one embodiment, the radio-receiving noise-reducing earphone further comprises a power supply module connected with the main control module;
the power module is used for supplying power to the radio noise reduction earphone.
In one embodiment, the radio and noise reduction earphone further comprises a USB transmission module connected with the main control module;
the USB transmission module is used for establishing wired communication connection with a second user terminal and realizing data interaction with the second user terminal.
In one embodiment, the radio-receiving noise-reducing earphone further comprises a storage module connected with the main control module;
the storage module is used for storing the received target audio signal and the received audio signal.
In one embodiment, when the radio receiving and noise reducing earphone establishes a wireless communication connection with the first user terminal, the first user terminal is configured to:
responding to a first control operation of a user, generating a first control instruction and sending the first control instruction to the main control module;
responding to a second control operation of a user, generating a second control instruction and sending the second control instruction to the main control module;
the main control module is used for:
according to the first control instruction, the first module is controlled to enter a first working state;
and controlling the second module to enter a second working state according to the second control instruction.
In one embodiment, when the radio receiving and noise reducing earphone establishes a wireless communication connection with the first user terminal, the first user terminal is configured to:
sending audio data to the main control module;
the main control module is used for:
and receiving the audio data and controlling the loudspeaker module to play the audio data.
The radio and noise reduction earphone provided by the embodiment of the application comprises a main control module, a first module, a second module, a key module and a loudspeaker module, wherein the first module, the second module, the key module and the loudspeaker module are in communication connection with the main control module; the key module is used for responding to a first pressing operation of a user to generate a first working mode instruction and sending the first working mode instruction to the main control module, responding to a second pressing operation of the user to generate a second working mode instruction and sending the second working mode instruction to the main control module; the main control module is used for controlling the first module to enter a first working state according to the first working mode instruction and controlling the second module to enter a second working state according to the second working mode instruction. The radio and noise reduction earphone provided by the embodiment of the application not only can receive broadcast signals in an examination and has a noise reduction function on the received broadcast signals, but also can realize a data interaction function with a user terminal by establishing wired or wireless communication connection with the user terminal.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a sound receiving and noise reducing earphone according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a key module according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a first module provided in an embodiment of the present application;
fig. 4 is a schematic structural diagram of a second module provided in an embodiment of the present application;
fig. 5 is a schematic diagram of a second structure of a sound receiving and noise reducing earphone according to an embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system configurations, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It should also be understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In addition, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise. "plurality" means "two" or "more than two".
The embodiment of the application provides a radio and noise reduction earphone, which can reduce the noise of examination audio to the greatest extent and effectively avoid the influence on the hearing of examinees caused by noise and noise.
As shown in fig. 1, the radio and noise reduction earphone 100 provided in the embodiment of the present application includes a main control module 1, and a first module 2, a second module 3, a key module 4 and a speaker module 5 which are communicatively connected with the main control module 1.
In application, the master control module may be a central processing unit (Central Processing Unit, CPU), other general purpose processor, digital signal processor (Digital Signal Processor, DSP), application specific integrated circuit (Application Specific Integrated Circuit, ASIC), field programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic device (Programmable Logic Device, PLD), discrete gate or transistor logic device, discrete hardware components, etc. for implementing the functions of the above modules; the general purpose processor may be a microprocessor (Micro Controller Unit, MCU) or any conventional processor or the like.
In application, the radio and noise reduction earphone provided by the embodiment of the application can be a wireless headset.
In application, as shown in fig. 2, the key module 4 may include a first mode key 41 and a second mode key 42.
In application, clicking the first mode button 41 causes the acoustic noise reduction earphone to enter a first operating state, and clicking the second mode button 42 causes the acoustic noise reduction earphone to enter a second operating state.
In the application, the key module can also only comprise one key, and clicking the key enables the sound receiving and noise reducing earphone to enter the first working state; and double-clicking the key enables the sound receiving and noise reducing earphone to enter a second working state.
In applications, the speaker module may include one of many speakers, such as an ion speaker, an electrostatic speaker, a piezoelectric speaker, a magnetic speaker, and a horn speaker, and may include other types of speakers not listed herein, which are not limited thereto.
In one embodiment, as shown in fig. 3, the first module 2 includes an input loop unit 21, a mixing unit 22, an intermediate frequency amplifier unit 23, a detection unit 24, a pre-low frequency amplifier unit 25, a noise reduction unit 26, and a power amplification unit 27.
In application, the input loop unit is used for selecting one of a plurality of radio broadcast signals in the air; the mixing unit is used for modulating the radio broadcast signal selected by the input loop unit into an intermediate frequency broadcast signal; the intermediate frequency amplifier unit is used for modulating the intermediate frequency broadcast signal into a broadcast signal meeting the requirements of the detection unit; the detecting unit is used for obtaining an initial audio signal by demodulating the broadcast signal; the noise reduction unit is used for carrying out noise reduction processing on the initial audio signal; the pre-low frequency amplifier unit is used for amplifying the noise reduction audio signal; the power amplification unit is used for performing a power method on the target noise reduction audio signal.
In application, the radio broadcast signal is a modulated signal, in particular, an amplitude modulated signal in which the amplitude of the carrier signal varies according to the amplitude of the message signal, while the frequency and phase of the carrier signal remain constant; it may be a frequency modulated signal in which the frequency of the carrier signal varies according to the amplitude of the message signal, and the amplitude and phase of the carrier signal remain constant; it may be that the phase of the carrier signal varies according to the amplitude of the message signal, while the amplitude of the carrier signal remains a constant phase modulated signal; the characteristic of the carrier pulse can be changed according to the amplitude of the message signal, including the pulse amplitude, the pulse width and the analog pulse modulation signal of the pulse position; or a pulse code modulated signal generated by sampling, quantizing and encoding a continuously varying analog signal.
In one embodiment, as shown in fig. 4, the second module 3 includes a wireless communication unit 31, a microphone unit 32, and an LED indicating unit 33.
In application, the wireless communication unit can be set as any device capable of directly or indirectly performing long-distance wireless communication with the user terminal according to actual needs. The wireless communication unit may be at least one of a wireless fidelity (WiFi) unit, a Bluetooth (Bluetooth) module, a Zigbee (Zigbee) unit, a mobile communication network unit, a global navigation satellite system (Global Navigation Satellite System, GNSS) unit, a frequency modulation (Frequency Modulation, FM) unit, a near field wireless communication technology (Near Field Communication, NFC) unit, and the like; the bluetooth module may be a low energy (Bluetooth Low Energy, BLE) bluetooth module including a BLE4.0 module, a BLE4.2 module, a BLE5.0 module, a BLE5.2 module, or a classical bluetooth module below bluetooth 4.0.
In the application, after the radio and noise reduction earphone is connected with the first user terminal in a wireless communication manner, the functions of voice communication and the like can be realized through the microphone unit.
In application, the current working mode of the sound receiving and noise reducing earphone can be displayed through the LED indicating unit, for example, when the light of the LED indicating unit is in a continuously changing flickering state, the sound receiving and noise reducing earphone is in a first working mode, when the light of the LED indicating unit is turned on and is in a unchanged state, the sound receiving and noise reducing earphone is in a second working mode, and when the light of the LED indicating unit is turned off, the sound receiving and noise reducing earphone is in an unoperated state.
In one embodiment, as shown in fig. 5, the radio noise reduction earphone 100 further includes a power module 6, a storage module 7, a USB transmission module 8, a first user terminal 200, and a second user terminal 300.
In application, the Memory module is used for storing various types of data, and may be formed by any type of volatile or non-volatile Memory device or combination thereof, such as static random access Memory (Static Random Access Memory, SRAM), electrically erasable programmable Read-Only Memory (Electrically Erasable Programmable Read-Only Memory, EEPROM), erasable programmable Read-Only Memory (Erasable Programmable Read-Only Memory, EPROM), programmable Read-Only Memory (Programmable Read-Only Memory, PROM), read-Only Memory (ROM), magnetic Memory, flash Memory, magnetic disk or optical disk. The memory module may also be used to store data that has been output or is to be output or input.
In application, the data stored in the storage module may include pure audio data, pure video data, data of mixed audio and video, and other types of data, where the data may be obtained through the radio noise reduction earphone, or may be imported through other devices, where the source of the data stored in the storage module is not limited.
In application, the sound receiving and noise reducing earphone can also be connected with a second user terminal such as a radio through a USB transmission module, so that a data interaction function with the second user terminal is realized.
In application, the main control module, the first module, the second module, the key module, the speaker module, the power module, the storage module and the USB transmission module can be electrically connected by any feasible wired communication mode. The electrical connection is a connection mode for realizing data communication by transmitting an electrical signal.
In application, the division of each module of the above-mentioned radio and noise reduction earphone is only a logic function division, and there may be another division manner in actual implementation, for example, a plurality of modules may be combined or one module may be divided into a plurality of modules, or may be divided according to actual needs, which is not limited herein.
In application, the earphone provided in the embodiment of the present application may further include other modules, for example, a GPS positioning module, and in different application scenarios, the module that plays a main role may be one or several of them, which is not limited herein.
In one embodiment, based on the connection relationship between the modules in the acoustic noise reduction earphone 100 shown in fig. 1 or fig. 5, the main functions of the modules are as follows:
a key module 4 for:
generating a first working mode instruction in response to a first pressing operation of a user and sending the first working mode instruction to the main control module 1;
generating a second working mode instruction in response to a second pressing operation of a user and sending the second working mode instruction to the main control module 1;
the main control module 1 is used for:
according to the first working mode instruction, the first module 2 is controlled to enter a first working state;
and controlling the second module 3 to enter a second working state according to the second working mode instruction.
In the application, if the key module comprises a first mode key and a second mode key, when the first mode key detects a clicking operation of a user, a first working mode instruction is immediately generated; if the key module only comprises one key, immediately generating a first working mode instruction when the key module detects a click operation of a user; then the first working mode instruction is sent to a main control module;
when the main control module receives the first working mode instruction, the first module is controlled to enter a first working state immediately according to the first working mode instruction.
In the application, if the key module comprises a first mode key and a second mode key, when the second mode key detects a clicking operation of a user, a second working mode instruction is immediately generated; if the key module only comprises one key, when the key module detects double-click operation of a user, a second working mode instruction is immediately generated; then sending the second working mode instruction to a main control module;
when the main control module receives the second working mode instruction, the second module is controlled to enter a second working state immediately according to the second working mode instruction.
In one embodiment, the first module 2 is configured to:
receiving a radio broadcast signal, processing the radio broadcast signal to obtain a target audio signal, and sending the target audio signal to the main control module 1;
a second module 3 for:
establishing wireless communication connection with a first user terminal 200, receiving audio data sent by the first user terminal 200, and sending the audio data to the main control module 1;
the main control module 1 is further configured to:
receiving the target audio signal and controlling the speaker module 5 to play the target audio signal;
receives the audio data and controls the speaker module 5 to play the audio data.
In application, when the radio and noise reduction earphone is in a first working state, the first module processes the received radio broadcast signal into a target audio signal and then sends the target audio signal to the main control module, and the main control module controls the loudspeaker module to play the target audio signal.
In application, when the radio and noise reduction earphone is in the second working state, wireless communication connection is established between the radio and the first user terminal through the second module, the first user terminal can send audio data to the main control module, and then the main control module controls the loudspeaker module to play the audio data.
In applications, the user terminal may be a mouse, a remote controller, a mobile phone, a tablet computer, a wearable device, an augmented Reality (Augmented Reality, AR)/Virtual Reality (VR) device, a notebook computer, an Ultra-Mobile Personal Computer (UMPC), a netbook, a personal digital assistant (Personal Digital Assistant, PDA), or the like, which can establish a wireless communication connection with the headset and perform data interaction.
In one embodiment, the first module includes an input loop unit 21, a mixing unit 22, an intermediate frequency amplifier unit 23, a detection unit 24, a pre-low frequency amplifier unit 25, a noise reduction unit 26, and a power amplifier unit 27;
the input loop unit 21 is configured to receive a radio broadcast signal and send the radio broadcast signal to the mixing unit 22;
the mixing unit 22 is configured to receive the radio broadcast signal, tune the radio broadcast signal to an intermediate frequency broadcast signal, and send the intermediate frequency broadcast signal to the intermediate frequency amplifier unit 23;
the intermediate frequency amplifier unit 23 is configured to receive an intermediate frequency broadcast signal, tune the intermediate frequency broadcast signal to a broadcast signal that meets the requirement of the detection unit 24, and send the broadcast signal to the detection unit 24;
the detecting unit 24 is configured to receive a broadcast signal, obtain an initial audio signal by demodulating the broadcast signal, and send the initial audio signal to the noise reducing unit 26;
the noise reduction unit 26 is configured to receive and perform noise reduction processing on the initial audio signal, obtain a noise reduction audio signal, and send the noise reduction audio signal to the pre-low frequency amplifier unit 25;
the pre-low frequency amplifier unit 25 is configured to receive and amplify the noise reduction audio signal, obtain a target noise reduction audio signal, and send the target noise reduction audio signal to the power amplifier unit 27;
the power amplifier unit 27 is configured to receive and process the target noise reduction audio signal, obtain a target audio signal, and send the target audio signal to a main control module.
In application, the main control module can store the received target audio signal, so that the next check is convenient.
In application, the input loop unit is used for selecting a radio broadcast signal from a plurality of radio broadcast signals to receive, processing the radio broadcast signal into an intermediate frequency broadcast signal of 465KHz through the frequency mixing unit, modulating the intermediate frequency broadcast signal into a broadcast signal meeting the requirement of the detection unit through the intermediate frequency amplifier, restoring the modulated broadcast signal into an initial audio signal through demodulation, then denoising the initial audio signal through the denoising unit, and finally performing low-frequency voltage amplification and power amplification on the initial audio signal subjected to the denoising treatment through the pre-low-frequency amplifier unit and the power amplification unit to obtain a target audio signal, and controlling a loudspeaker to play the target audio signal through the main control module.
In application, the audio signal processed by the first module effectively inhibits the influence of noise on the audio signal, reduces interference and is beneficial to the examinee to obtain higher results.
In one embodiment, the noise reduction unit 26 includes at least one of an IIR filter, an FIR filter, and a digital signal processing filter.
In application, an infinite impulse response digital filter (Infinite Impulse Response, IIR) is also known as a recursive filter; the finite length unit impulse response filter (Finite Impulse Response, FIR) is a non-recursive filter, the FIR filter with constant coefficients is a Linear and Time-invariant (LTI) digital filter, and the Time difference between the signals of different frequency components after passing through the FIR filter is constant.
In application, through the processing of the filter in the noise reduction module, noise in the signal can be effectively inhibited, and the signal only contains the original audio signal as far as possible.
In one embodiment, the USB transmission module 8 is configured to establish a wired communication connection with the second user terminal 300, so as to implement data interaction with the second user terminal 300.
In application, through the USB transmission module, the wired communication connection can be established with the second user terminal, so that the data interaction function is realized.
In application, the second user terminal may be a device such as a radio, etc. that may receive audio data through the USB transmission module, or may be a device such as a mobile phone, a tablet computer, a wearable device, a notebook computer, etc. that may be connected through wired communication, or may be any other device that is not listed and may perform data interaction with the earphone, which is not limited herein.
In an embodiment, the storage module 7 is configured to store the received target audio signal and the audio signal.
In application, when the earphone is in the first working state, the main control module can store the received target audio signal by controlling the storage module; when the earphone is in the second working state, the main control module can store the received audio signals through controlling the storage module, and can also store other types of data sent by the first user terminal; data transmitted through the USB transmission module can also be stored.
In application, when the storage module stores the received target audio signal and audio signal, the storage module may also store the data after naming the data, and the naming specification may be built in the system or set by the user, which is not limited herein.
In the application, when naming the received data, naming may be performed by recording date and duration for user query and call, which is not limited herein.
In application, when the earphone is in the second working state, the main control module can control the storage module to send the stored data to the first user terminal, and the first user terminal can check, store or delete the data.
In one embodiment, the power module 6 is configured to power the acoustic noise reduction earphone.
In application, the power module may be any rechargeable battery of nickel-cadmium battery, nickel-hydrogen battery and lithium ion battery, or may be other types of power sources that may be used to power the sound-receiving and noise-reducing earphone, which is not limited herein.
In one embodiment, the wireless communication unit 31 is configured to establish a wireless communication connection with the first user terminal 200, so as to implement data interaction with the first user terminal 200;
the microphone unit 32 is configured to implement voice interaction with the first user terminal 200;
the LED indicating unit 33 is configured to display whether the earphone is in the second operating state.
In application, the microphone unit may include one or more of a differential microphone array, a planar microphone array and a stereo microphone array, so as to achieve the purposes of extracting a sound source and suppressing noise, and may be used for functions such as voice communication when establishing wireless communication connection with the first user terminal.
In application, a Light-Emitting Diode (LED) is a solid semiconductor device capable of converting electric energy into visible Light, and can directly convert electricity into Light, and has many advantages of simple structure, low cost, long service life, green and environment protection, etc.
In application, the working state of the current earphone can be judged through the LED indication unit; if the light of the LED indicating unit is in a continuously changing flickering state, the current working mode of the sound receiving and noise reducing earphone is indicated; if the light of the LED indicating unit is turned on and is in a constant state, the current state of the sound receiving and noise reducing earphone is indicated to be in the second working mode, and if the light of the LED indicating unit is turned off, the current state of the sound receiving and noise reducing earphone is indicated to be in the non-working state.
In one embodiment, when the radio receiving and noise reducing earphone establishes a wireless communication connection with the first user terminal, the first user terminal 200 is configured to:
responding to a first control operation of a user, generating a first control instruction and sending the first control instruction to the main control module 1;
responding to a second control operation of a user, generating a second control instruction and sending the second control instruction to the main control module 1;
the main control module 1 is used for:
according to the first control instruction, the first module 2 is controlled to enter a first working state;
and controlling the second module 3 to enter a second working state according to the second control instruction.
In application, when the radio and noise reduction earphone and the first user terminal are in wireless communication connection, the first user terminal responds to a first control operation of a user to generate a first control instruction, and the first control instruction is sent to the main control module; the main control module controls the first module to enter a first working state according to the first control instruction; the first user terminal may be disconnected from the headset at this point.
In the application, when the radio and noise reduction earphone and the first user terminal are in wireless communication connection, the first user terminal responds to a second control operation of a user to generate a second control instruction, and the second control instruction is sent to the main control module; the main control module controls the second module to enter a second working state according to the second control instruction; at this time, the first user terminal may implement functions such as audio data transmission or voice communication with the earphone.
In one embodiment, when the radio receiving and noise reducing earphone 100 establishes a wireless communication connection with the first user terminal 200, the first user terminal 200 is configured to:
sending audio data to the main control module 1;
the main control module 1 is used for:
the audio data is received, and the speaker module 5 is controlled to play the audio data.
In the application, when the radio and noise reduction earphone and the first user terminal are in wireless communication connection, the first user terminal can send audio data to the main control module; after receiving the audio data, the main control module can control the loudspeaker module to play the audio data, and can also control the storage module to store the audio data.
In application, the radio and noise reduction earphone provided by the embodiment of the application can be used as a special earphone for examination and used for receiving broadcast signals, and can also be used as a Bluetooth earphone in daily life, so that the radio and noise reduction earphone has two purposes, reduces the purchase cost of users and has a wide application prospect.
It should be understood that the order of execution of the processes in the above embodiments should be determined by their functions and inherent logic, and should not be construed as limiting the implementation of the embodiments of the present application.
It should be noted that, because the content of information interaction and execution process between the modules is based on the same concept as the method embodiment of the present application, specific functions and technical effects thereof may be referred to in the method embodiment section, and details are not repeated herein.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional modules is illustrated, and in practical application, the above-described functional allocation may be performed by different functional modules according to needs, i.e. the internal structure of the apparatus is divided into different functional modules to perform all or part of the functions described above. The functional modules in the embodiment may be integrated in one processing module, or each module may exist alone physically, or two or more modules may be integrated in one module, where the integrated modules may be implemented in a form of hardware or a form of software functional modules. In addition, the specific names of the functional modules are only for distinguishing from each other, and are not used for limiting the protection scope of the application.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and in part, not described or illustrated in any particular embodiment, reference is made to the related descriptions of other embodiments.
Those of ordinary skill in the art will appreciate that the modules and process flows of the examples described in connection with the embodiments disclosed herein can be implemented as electronic hardware, or as a combination of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in this application, it should be understood that the disclosed modules and functions may be implemented in other manners. For example, the above-described embodiments of modules are merely illustrative, e.g., the division of modules is merely a logical functional division, and there may be additional divisions of actual implementation, e.g., multiple modules or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection via interfaces, devices or modules, which may be in electrical, mechanical or other forms.
The modules described as separate components may or may not be physically separate, and components shown as modules may or may not be physical modules, i.e., may be located in one place, or may be distributed over a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.
Claims (10)
1. The sound receiving and noise reducing earphone is characterized by comprising a main control module, a first module, a second module, a key module and a loudspeaker module, wherein the first module, the second module, the key module and the loudspeaker module are in communication connection with the main control module;
the key module is used for:
generating a first working mode instruction in response to a first pressing operation of a user and sending the first working mode instruction to the main control module;
generating a second working mode instruction in response to a second pressing operation of a user and sending the second working mode instruction to the main control module;
the main control module is used for:
according to the first working mode instruction, the first module is controlled to enter a first working state;
and controlling the second module to enter a second working state according to the second working mode instruction.
2. The radio and noise reducing earphone of claim 1, wherein the first module is configured to:
receiving a radio broadcast signal, processing the radio broadcast signal to obtain a target audio signal, and sending the target audio signal to the main control module;
the second module is configured to:
establishing wireless communication connection with a first user terminal, receiving audio data sent by the first user terminal, and sending the audio data to the main control module;
the main control module is further used for:
receiving the target audio signal and controlling the loudspeaker module to play the target audio signal;
and receiving the audio data and controlling the loudspeaker module to play the audio data.
3. The radio and noise reduction earphone according to any one of claims 1 or 2, wherein the first module comprises an input loop unit, a mixing unit, an intermediate frequency amplifier unit, a detection unit, a pre-low frequency amplifier unit, a noise reduction unit and a power amplification unit;
the input loop unit is used for receiving a radio broadcast signal and sending the radio broadcast signal to the mixing unit;
the mixing unit is used for receiving the radio broadcast signal, modulating the radio broadcast signal into an intermediate frequency broadcast signal and transmitting the intermediate frequency broadcast signal to the intermediate frequency amplifier unit;
the intermediate frequency amplifier unit is used for receiving an intermediate frequency broadcast signal, modulating the intermediate frequency broadcast signal into a broadcast signal meeting the requirements of the detection unit, and sending the broadcast signal to the detection unit;
the detection unit is used for receiving a broadcast signal, obtaining an initial audio signal by demodulating the broadcast signal, and sending the initial audio signal to the noise reduction unit;
the noise reduction unit is used for receiving and carrying out noise reduction processing on the initial audio signal, obtaining a noise reduction audio signal and sending the noise reduction audio signal to the pre-low frequency amplifier unit;
the pre-low frequency amplifier unit is used for receiving and amplifying the noise reduction audio signal to obtain a target noise reduction audio signal, and sending the target noise reduction audio signal to the power amplifier unit;
the power amplification unit is used for receiving and processing the target noise reduction audio signal, obtaining a target audio signal and sending the target audio signal to the main control module.
4. The acoustic noise reduction earphone of claim 3, wherein the noise reduction unit comprises at least one of an IIR filter, an FIR filter, and a digital signal processing filter.
5. The acoustic noise reduction earphone of claim 1, wherein the second module comprises a wireless communication unit, a microphone unit, and an LED indication unit;
the wireless communication unit is used for establishing wireless communication connection with a first user terminal and realizing data interaction with the first user terminal;
the microphone unit is used for realizing voice interaction with the first user terminal;
the LED indicating unit is used for displaying whether the earphone is in a second working state.
6. The radio and noise reduction earphone of claim 1, further comprising a power module connected to the master control module;
the power module is used for supplying power to the radio noise reduction earphone.
7. The radio and noise reduction earphone of claim 1, further comprising a USB transmission module connected to the master control module;
the USB transmission module is used for establishing wired communication connection with a second user terminal and realizing data interaction with the second user terminal.
8. The radio and noise reduction earphone of claim 2, further comprising a memory module connected to the master control module;
the storage module is used for storing the received target audio signal and the received audio signal.
9. The radio and noise reduction headset of claim 5, wherein when establishing a wireless communication connection with the first user terminal, the first user terminal is configured to:
responding to a first control operation of a user, generating a first control instruction and sending the first control instruction to the main control module;
responding to a second control operation of a user, generating a second control instruction and sending the second control instruction to the main control module;
the main control module is used for:
according to the first control instruction, the first module is controlled to enter a first working state;
and controlling the second module to enter a second working state according to the second control instruction.
10. The radio and noise reduction headset of claim 5, wherein when establishing a wireless communication connection with the first user terminal, the first user terminal is configured to:
sending audio data to the main control module;
the main control module is used for:
and receiving the audio data and controlling the loudspeaker module to play the audio data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310596056.7A CN116546376A (en) | 2023-05-24 | 2023-05-24 | Earphone of making an uproar falls in radio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310596056.7A CN116546376A (en) | 2023-05-24 | 2023-05-24 | Earphone of making an uproar falls in radio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116546376A true CN116546376A (en) | 2023-08-04 |
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ID=87448694
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310596056.7A Pending CN116546376A (en) | 2023-05-24 | 2023-05-24 | Earphone of making an uproar falls in radio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116546376A (en) |
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2023
- 2023-05-24 CN CN202310596056.7A patent/CN116546376A/en active Pending
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