WO2017043688A1 - Oreillette bluetooth disposant de microphone de canal auditif intégré et son procédé de commande - Google Patents

Oreillette bluetooth disposant de microphone de canal auditif intégré et son procédé de commande Download PDF

Info

Publication number
WO2017043688A1
WO2017043688A1 PCT/KR2015/011190 KR2015011190W WO2017043688A1 WO 2017043688 A1 WO2017043688 A1 WO 2017043688A1 KR 2015011190 W KR2015011190 W KR 2015011190W WO 2017043688 A1 WO2017043688 A1 WO 2017043688A1
Authority
WO
WIPO (PCT)
Prior art keywords
microphone
sound
ear canal
mode
signal
Prior art date
Application number
PCT/KR2015/011190
Other languages
English (en)
Korean (ko)
Inventor
김희윤
Original Assignee
주식회사 사운드브릿지
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020150127890A external-priority patent/KR101744507B1/ko
Priority claimed from KR1020150127874A external-priority patent/KR101744503B1/ko
Application filed by 주식회사 사운드브릿지 filed Critical 주식회사 사운드브릿지
Priority to JP2017538566A priority Critical patent/JP6360633B2/ja
Publication of WO2017043688A1 publication Critical patent/WO2017043688A1/fr

Links

Images

Classifications

    • 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
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • 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

Definitions

  • the present invention relates to an earset of a Bluetooth wireless communication function and a control method thereof, and more particularly, to a Bluetooth earset with a built-in ear canal microphone having a hearing aid function and a control method thereof.
  • Earsets are usually earphones and microphones that are used to make phone calls without connecting to a phone, and are widely used for the spread of smart devices such as smart phones equipped with wireless network communication functions and near field wireless communication functions with peripheral devices. Accordingly, hands-free devices having a wireless communication function connected to a smart device as a main body by wireless communication, such as Bluetooth, have become popular, and a speaker portion for reproducing sound from the speaker smart device is inserted into the ear canal of the user's ear. Ear canal earphones are widely used.
  • a microphone for receiving a voice call that is, a microphone, is exposed to the outside and is remotely spaced from the user's mouth. There is a problem that is likely to be contaminated.
  • the use of the hands-free device, that is, the ear set, by the user of the hearing aid has a structural problem. Therefore, it is impossible to use the hands-free device and the hearing aid at the same time in the case of a user who has a hearing loss condition.
  • the present invention solves the problems of the prior art as described above, the function and hearing loss of the Bluetooth earset with a built-in ear canal microphone to perform a voice call through the user terminal without being affected by external noise through the ear canal microphone It aims to provide a control method for a Bluetooth earset with a built-in ear canal microphone that performs the necessary hearing function for patients at the same time.
  • an object of the present invention is to provide a Bluetooth earset with a built-in ear canal microphone and a method of controlling the same, which improves call quality in a Bluetooth communication mode for performing a voice call through a user terminal through a characteristic structure and function. do.
  • the present invention is a Bluetooth earset 100 with a built-in ear canal microphone, the sound signal received by the Bluetooth wireless communication is projected to output the sound reproduced in the ear of the user hollow
  • a housing 10 including an output part 11 formed at a coupling part and inserted into the ear of the user;
  • the microphone insertion unit 22a is opened to the front so that the ear canal microphone 21 for receiving the user's whistle voice and converts it into an electrical signal is opened, and the front and rear are opened to reproduce the sound according to the received electric signal.
  • a microphone / receiver receiver 20 comprising a module 22;
  • the drive control unit 40 includes a drive control unit 40 that controls Bluetooth wireless communication, and controls the transmission and reception of the audio signal, and the driving of the component parts. It is characterized in that the Bluetooth communication mode for performing a voice call through the user terminal by transmitting and receiving a signal and a hearing aid mode for amplifying a sound signal received from the outside.
  • the hearing aid mode is switched and performed.
  • the touch gesture recognition unit 50 may include a first touch pad 51 that recognizes a first touch of a user and a second touch pad 52 that recognizes a second touch of a user. It is preferable to adjust the volume of the sound signal reproduced in the receiver according to the recognition order of the first touch and the second touch of the user recognized by the 51 and the second touch pad 52.
  • the audio signal received from the user terminal through the Bluetooth wireless communication is reproduced to the user's ear through the receiver 23, and the user receives the microphone through the ear canal.
  • the electrical signal for the whistle voice is converted into an acoustic signal and transmitted to the user terminal through Bluetooth wireless communication.
  • the user when the Bluetooth communication mode is performed, the user receives his / her own voice received from the outside of the user's ear through an external microphone and receives the received voice through the ear canal microphone 21 according to the sound signal of the user's voice.
  • the sound signal of the user's whisper voice preferably, when the Bluetooth communication mode is performed, the user receives his / her own voice received from the outside of the user's ear through an external microphone and receives the received voice through the ear canal microphone 21 according to the sound signal of the user's voice.
  • the sound signal of the user's whisper voice The sound signal of the user's whisper voice.
  • the external sound receiver 30 includes a first external microphone 31 that receives external sound and converts it into an electrical signal, and a second microphone that receives external sound and converts it into an electrical signal.
  • the electrical acoustic signal of the sound received through the first external microphone is corrected according to the electrical acoustic signal of the sound received through the second external microphone, through the receiver 23. Play with sound and output.
  • At least one hearing correction mode including a sound signal correction value for adjusting the amplification amount for each frequency with respect to the sound signal received in a preset manner is stored, and the driving controller 40 is configured to hear the hearing correction mode. According to the sound signal received by adjusting the amount of amplification by frequency.
  • the hearing correction value is pre-selected and stored by the user through the application 300 mounted in the user terminal 200 connected through Bluetooth wireless communication.
  • it further comprises a proximity sensor 60 for detecting the wear of the user.
  • the drive control unit 40 receives control commands according to the Bluetooth communication mode and the hearing aid mode, and selectively switches the electrical connections between the microphone 21 and the first external microphone 31 to be ear-crunched. And an input signal controller 41 for activating or deactivating.
  • the driving controller 40 amplifies the sound signal of the user's whisper voice received from the input signal controller 41 through the microphone 21 in the Bluetooth communication mode and converts the sound signal into a digital sound signal to convert the digital signal into a digital signal process ( DSP to modulate in a preset manner and transmit the RF signal to the user terminal through the RF transmitter 47A, amplify the voice signal received through the RF receiver 47B, and convert the digital signal into a digital sound signal.
  • a sound signal processor 42 for amplifying the processed electrical signal and transmitting the amplified electrical signal to the receiver 22 through the preset method.
  • the sound signal processor 42 may amplify the sound signal by frequency according to one or more hearing correction modes including a sound signal correction value for adjusting the amount of amplification for each sound signal received in a preset manner. It is desirable to adjust.
  • the present invention relates to a Bluetooth earset with a built-in ear canal microphone, the sound signal received by the Bluetooth wireless communication is projected to output the reproduced sound into the user's ear and the hollow coupling portion is formed in the user's ear A housing 10 including an output part 11 to be inserted;
  • the microphone insertion unit 22a is opened to the front so that the ear canal microphone 21 for receiving the user's whistle voice and converts it into an electrical signal is opened, and the front and rear are opened to reproduce the sound according to the received electric signal.
  • a microphone / receiver receiver 20 comprising a module 22;
  • It includes a drive control unit 40 for controlling the Bluetooth wireless communication, and controls the transmission and reception of sound signals and the driving of the components therefor,
  • the ear canal microphone 21 and the receiver 23 are separated from each other by the microphone insertion part 22a and the receiver insertion part 22b of the microphone / receiver receiving part 20.
  • the microphone / receiver accommodating part 20 may be connected to the receiver insertion part 22b by a partition wall 22c in which the microphone insertion part 22a of the microphone / receiver accommodating module 22 forms the output tube. It is formed to be isolated.
  • the voice receiver in front of the ear canal microphone 21 is installed to be located closer to the user's eardrum than the acoustic receiver in front of the receiver 23.
  • the microphone / receiver accommodating module 23 of the microphone / receiver accommodating part 20 may be integrally formed by including the microphone insertion part 23a and the receiver insertion part 23b.
  • the external sound receiver 30 includes a first external microphone 31 for receiving an external sound and converting it into an electrical signal, and a second microphone for receiving and converting an external sound into an electric signal.
  • the second external microphone receives the user's own voice received from the outside of the user's ear, and received through the ear canal microphone 21 in accordance with the sound signal for the user's voice received through the second external microphone. Correct the sound signal of the user's whisper voice.
  • the driving controller 40 transmits and receives an audio signal with a user terminal connected through Bluetooth communication, and performs a voice communication through the user terminal, and amplifies the audio signal received from the outside. Perform a mode selectively.
  • a sound signal received from the user terminal through the Bluetooth wireless communication is reproduced to be output to the ear of the user through the receiver 23, and the user received through the ear canal microphone.
  • the electrical signal for the whistle of the voice is converted into an acoustic signal and transmitted to the user terminal through Bluetooth wireless communication.
  • the user's voice received from the outside of the user's ear through the external microphone to receive the user's voice received through the microphone 21 according to the sound signal for the received user's voice It is desirable to correct the sound signal of the whistle sound.
  • the external sound receiver 30 includes a first external microphone 31 for receiving an external sound and converting it into an electrical signal, and a second microphone for receiving and converting an external sound into an electric signal.
  • the electrical acoustic signal of the sound received through the first external microphone is corrected according to the electrical acoustic signal of the sound received through the second external microphone, and reproduced as a sound through the receiver 23.
  • the drive control unit 40 is the hearing correction It adjusts the amount of amplification for each received sound signal according to the mode and outputs it.
  • the hearing correction value is pre-selected and stored by the user through the application 300 mounted on the user terminal 200 connected through Bluetooth wireless communication.
  • the user's motion further includes a touch motion recognition unit 50 including one or more touch pads for recognizing the touch motion.
  • the touch gesture recognition unit 50 may include a first touch pad 51 that recognizes a first touch of a user and a second touch pad 52 that recognizes a second touch of a user. It is preferable to adjust the volume of the sound signal reproduced in the receiver according to the recognition order of the first touch and the second touch of the user recognized by the pad 51 and the second touch pad 52.
  • the Bluetooth communication mode and the hearing aid mode are switched to be performed according to the touch operation recognized by the touch operation recognition unit 50.
  • the apparatus further includes a proximity sensor 60 for detecting a user's wearing.
  • the present invention is a control method of the Bluetooth ear set 100 with the built-in ear canal microphone including a microphone 21 and the external microphone and a touch motion recognition unit 50 for inputting a user's touch operation, the touch A mode selection input step of determining whether the touch operation of the user is received through the gesture recognition unit 50 and comparing the recognized touch gesture with a preset touch gesture to determine whether it is a selection input for the Bluetooth communication mode or the hearing aid mode (S10).
  • Including, in the Bluetooth communication mode setting step (S21) to electrically connect the ear canal microphone 21 to activate the ear canal microphone 21 and to deactivate the external microphone 31, the hearing aid mode setting step (S22) ) Is electrically connected to the external microphone 31 to activate the external microphone 31 and to deactivate the ear canal microphone 21.
  • the function of the Bluetooth earset with a built-in ear canal microphone for performing a voice call through the user terminal without being affected by external noise through the ear canal microphone and the hearing aid function required for the hearing loss patients at the same time There is an effect that can provide a Bluetooth earset with a new concept of the ear canal microphone to perform and a control method thereof.
  • the Bluetooth earset with the built-in ear canal microphone of the present invention performs a voice call function through the hearing aid function and the user terminal at the same time, it is possible to switch between each other in a simple operation has a convenient effect.
  • the Bluetooth earset with the built-in ear canal microphone of the present invention has an effect of improving the call quality of the Bluetooth communication mode for performing a voice call through the user terminal through the characteristic structure and function, and improving the hearing function.
  • FIG. 1 is a view illustrating a system for simultaneously performing a hearing aid function and a Bluetooth communication function using a Bluetooth earset having a built-in ear canal microphone according to the present invention.
  • Figure 2 is an exploded view of the main configuration of the Bluetooth earset with a built-in ear canal microphone of an embodiment of the present invention
  • Figure 3 is a cross-sectional view for explaining the configuration of the microphone / receiver receiver of the Bluetooth earset with a built-in ear canal microphone of an embodiment of the present invention
  • Figure 4 is a cross-sectional view of the main configuration of the Bluetooth earset with a built-in ear canal microphone of an embodiment of the present invention
  • FIG. 5 is a functional block diagram of a Bluetooth earset with a built-in ear canal microphone of an embodiment of the present invention
  • 6 and 7 are views for explaining the main functions and operations of the input signal controller 42 and the audio signal processor 43 of the Bluetooth earset with the built-in ear canal microphone according to an embodiment of the present invention.
  • FIG. 8 is a flowchart illustrating a method for controlling a Bluetooth earset with a built-in ear canal microphone according to an embodiment of the present invention.
  • FIG. 9 is a flowchart illustrating a method for performing a Bluetooth communication mode of a Bluetooth earset with a built-in ear canal microphone according to an embodiment of the present invention.
  • FIG. 10 is a flowchart illustrating a method for performing a hearing aid mode of a Bluetooth earset with a built-in ear canal microphone according to an embodiment of the present invention.
  • FIG. 11 is a flow chart of a sound signal processing method of a Bluetooth earset with a built-in ear canal microphone according to an embodiment of the present invention.
  • FIG. 1 is a view for explaining a system for simultaneously performing a hearing aid function and a Bluetooth communication function using a Bluetooth earset having a built-in ear canal microphone according to the present invention.
  • the Bluetooth earset 100 in which the ear canal microphone of the present invention is embedded is similar to a general Bluetooth headset which communicates with a user terminal 200 having a call function and Bluetooth wireless communication through Bluetooth wireless communication. It performs call function by and performs hearing function independently.
  • the user terminal 200 is equipped with an application 300 for adjusting the settings of the hearing aid mode and the Bluetooth earset 100 with a built-in ear canal microphone, the application 300 is one of the acoustic signal including the hearing aid gain value
  • the above settings of the hearing correction mode are stored.
  • four hearing correction modes are stored and selected by the user.
  • the user selects a hearing correction mode suitable for his or her hearing among the four hearing correction modes, and the selected hearing correction mode is set to the Bluetooth ear set 100 via the Bluetooth wireless communication, and the selected hearing correction mode is the Bluetooth ear set 100. It may be implemented to be set to.
  • the hearing correction mode of the present embodiment targets the hearing loss who does not normally hear 70 dB or less, which accounts for 75% of the total hearing loss, and through the analysis of the hearing test result for the hearing loss, the set value of each hearing correction mode is experimentally determined. As in 12, it is preset to one or more modes.
  • the audio signal processor which performs the function of the Audio DSP of the Bluetooth earset 100 with the built-in microphone, according to the set value of the hearing correction mode of the sound signal set and ported to the ear set 100, processes the sound signal to the hearing impaired patient.
  • the Bluetooth earset 100 with the built-in ear canal microphone of the present invention is used as an independent hearing aid without interworking with a user terminal.
  • the Bluetooth earset 100 having the built-in ear canal microphone according to the present invention has a voice in the Bluetooth wireless communication of the Bluetooth ear set having the ear canal microphone for performing a voice call through a user terminal without being affected by external noise through the ear canal microphone.
  • Bluetooth communication that performs the call function and the hearing aid required for the deaf, and simultaneously performs the hearing function and the voice call function through the user terminal, and can switch to each other with a simple operation and perform the voice call through the user terminal.
  • the call quality of the mode is improved, and the hearing aid function has the characteristic mechanical structure and functional features described later, respectively.
  • Figure 2 is an exploded view of the main configuration of the Bluetooth earset with a built-in ear canal microphone of an embodiment of the present invention
  • Figure 3 illustrates the configuration of the microphone / receiver receiver of a Bluetooth ear set with a built-in ear canal microphone of an embodiment of the present invention
  • 4 is a cross-sectional view of a main configuration of a Bluetooth earset having a built-in ear canal microphone according to an embodiment of the present invention, with reference to FIGS. 2 to 4 through the exemplary mechanical structure of the present invention.
  • the Bluetooth earset 100 having the ear canal microphone of the present invention includes a housing 10, a microphone / receiver receiver 20, an external sound receiver 30, and a drive controller 40. It is configured to include.
  • the housing 10 has an appearance form of a general earset in appearance and an output unit which protrudes to output the reproduced sound into a user's ear and a hollow coupling part is formed and inserted into the user's ear. 11), the ear tip 12, the cover housing 12 and the window cover 13 of the ear canal method detachably coupled to the outer peripheral surface of the output portion is configured.
  • the microphone / receiver receiver 20 includes an ear canal microphone 21 for receiving a user's whisper voice and converting it into an electrical signal, a receiver 22 for reproducing and outputting a sound according to the received electric signal, and an ear canal microphone 21.
  • It comprises a microphone / receiver receiving module 23 is formed with a receiver insertion portion 23b to form an output tube by the hollow partition wall.
  • the ear canal microphone 21 receives the user's whisper voice and converts it into an electrical signal, and is inserted into the user's ear to block external noise and deliver only the user's voice to the caller during a voice call.
  • the ear tip 12 of the ear canal method is used, and the ear canal microphone 21 has an installation position located in the ear of the user in front of the output unit 11.
  • the ear canal microphone 21 is preferably a MEMS microphone, that is, a microphone made in the form of microelectromechanical systems (MEMS).
  • MEMS microelectromechanical systems
  • the receiver 23 receives the user's whistle voice and converts it into an electrical signal, and a balanced armature (BA) driver having advantages of miniaturization and excellent sensitivity is preferably used.
  • BA balanced armature
  • the ear canal microphone 21 and the receiver 23 may be connected to the microphone / receiver receiving unit 20.
  • the microphone insertion unit 23a and the receiver insertion unit 23b are separated from each other and installed.
  • the ear canal microphone 21 and the receiver 23 are separated by the microphone inserting portion 23a and the receiver inserting portion 23b of the microphone / receiver receiving portion 20, thereby the ear canal microphone 21 Since the receiver 22 and the receiver 22 work together in the inner ear of the user, the ear canal, which is the same confined space, the voice of the voice call counterpart transmitted from the user terminal during the voice call and reproduced in the receiver is received from the microphone to be earpicked, so that the voice call counterpart It is possible to prevent the phenomenon of hearing the said voice again with a slight parallax, that is, echo or ringing, through a mechanical structure.
  • the echo to ringing phenomenon can be more completely removed through the echo cancellation processing method of the acoustic signal by the echo cancellation processing unit described later.
  • the microphone insertion portion 23a of the microphone / receiver receiving module 23 The front and rear is open to the receiver 22 is inserted into the rear and the front sound output of the receiver 23 to form an output tube by the hollow partition wall 23c for transmitting the sound into the user's ear,
  • the microphone insertion portion 23a has a structure formed to be isolated from the receiver insertion portion 23b by the partition wall 23c forming the output tube.
  • the microphone insertion portion 23a has a structure which is integrally formed with the partition wall 23c in the form of being opened forward on the outer surface of the partition wall 23c, where the front is the direction of the eardrum in the ear direction of the user or the ear canal. Refers to.
  • the voice receiver in front of the ear canal microphone 21 is preferably installed to be located closer to the eardrum of the user than the acoustic receiver in front of the receiver 22, and thus the user in the ear. It is possible to receive more clearly and to minimize interference with the sound reproduced in the receiver.
  • the microphone / receiver accommodating module 23 of the microphone / receiver accommodating part 20 may be integrally formed by including the microphone inserting part 23a and the receiver inserting part 23b. Can be used for production.
  • the external sound receiver 30 includes one or more external microphones for receiving external sound, converting the external sound into an electrical signal, and reproducing and outputting the sound from the receiver 22.
  • the second external microphone including a first external microphone 31 for receiving an external sound and converting it into an electrical signal, and a second microphone 32 for receiving and converting external sound into an electric signal.
  • 31 receives the user's own voice received from the outside of the user's ear, and receives through the ear canal microphone 21 in accordance with an acoustic signal for the user's voice received through the second external microphone 32. And correct a sound signal of the user's whisper voice.
  • the drive control unit 40 controls the Bluetooth wireless communication, and performs the function of controlling the transmission and reception of the audio signal and the driving of the components therefor, as shown in Figure 4, structurally the upper PCB (40a) And a battery 42b and a lower PCB 40c constituting the power supply unit, and various electrical / electronic components for performing the above functions are mounted on the upper PCB 40a and the lower PCB 40c, and various contacts and wirings. Is formed.
  • the drive control unit 40 transmits and receives an audio signal to and from the user terminal connected via Bluetooth communication to the Bluetooth communication mode for performing a voice call through the user terminal and a hearing aid mode for amplifying the sound signal received from the outside.
  • the Bluetooth communication mode for performing a voice call through the user terminal
  • a hearing aid mode for amplifying the sound signal received from the outside.
  • the user terminal In performing the Bluetooth communication mode, the user terminal is connected by Bluetooth wireless communication to perform a function of a general Bluetooth earset, and with the above-described mechanical shielding structure, a built-in sound signal processing algorithm such as echo cancellation processing of sound signals. This function removes echo or howling caused by using the ear canal microphone.
  • a sound signal received from the user terminal through the Bluetooth wireless communication is reproduced to the user's ear through the receiver 23, and the user's ear voice is received through the ear canal microphone. It converts an electric signal into an acoustic signal and transmits it to a user terminal through Bluetooth wireless communication.
  • the user receives his / her own voice received from the outside of the user's ear through an external microphone and receives the user's voice through the ear canal microphone 21 according to the sound signal of the user's voice.
  • the sound signal of the whistle voice is corrected, that is, by using the microphone 21 for the ear canal as the main microphone, and using the external microphone, that is, the first external microphone or the second external microphone, as an auxiliary microphone. It performs a function to correct the tone of the sound signal of the user's whisper voice received through the ear canal microphone 21, the main microphone based on the tone.
  • One or more hearing correction modes including sound signal correction values for adjusting the amplification amount for each frequency for the sound signals received in a preset manner are stored, so that the driving controller 40 receives the sound signals received according to the hearing correction mode. Outputs the amount of amplification by frequency.
  • an electric sound signal of the sound received through the first external microphone 31 of the external sound receiver 30 is adjusted and output for each frequency according to the hearing correction mode.
  • the electrical sound signal of the sound received through the first external microphone 31 of the external sound receiver 30 is corrected according to the electrical sound signal of the sound received through the second external microphone 32, and the receiver Through the 23 to play the sound output.
  • the user's operation is touched to turn on / off the power of the Bluetooth earset in which the ear canal microphone is built-in (operation ON / OFF standby state or forced ON / OFF of the power) and to switch each mode.
  • It further comprises a touch gesture recognition unit 50 including one or more touch pad to recognize the.
  • the touch gesture recognition unit 50 of the present exemplary embodiment includes a first touch pad 51 that recognizes a first touch of a user and a second touch pad 52 that recognizes a second touch of a user.
  • Voice call by switching from the hearing aid mode to the Bluetooth communication mode when receiving a call according to the state of use of the touch recognized through each of the two touch pads of the pad 51 and the second touch pad 52 or the recognition order of the touches. Start the call, end the voice call, or simultaneously switch to the hearing aid mode.
  • the present embodiment further includes a proximity sensor 60 to detect the user's wear, using the proximity sensor 60, the device automatically disconnects the earbuds from the ear when the user in the ON / OFF standby state of operation In order to minimize the power consumption, the power must be turned off.
  • a display unit (not shown) for visually informing the user of the operation state of the device and the state of the battery may be further included.
  • a display unit (not shown) for visually informing the user of the operation state of the device and the state of the battery may be further included.
  • three LEDs are used.
  • FIG. 5 is a functional block diagram of a Bluetooth earset with a built-in ear canal microphone according to an embodiment of the present invention
  • Figure 6 is an input signal controller 42 and sound signal of a Bluetooth ear set with a built-in ear canal microphone of an embodiment of the present invention It is a figure for demonstrating the main function and operation
  • FIG. 5 is a functional block diagram of a Bluetooth earset with a built-in ear canal microphone according to an embodiment of the present invention
  • Figure 6 is an input signal controller 42 and sound signal of a Bluetooth ear set with a built-in ear canal microphone of an embodiment of the present invention It is a figure for demonstrating the main function and operation
  • the functional features of the present invention with reference to FIGS. 5 and 6 include the ear canal microphone 21 and the receiver 22 included in the microphone / receiver receiver 20 of the Bluetooth ear set 100 having the ear canal microphone described above.
  • the user terminal connected through the above-described Bluetooth communication by the control and sound signal processing functions of the drive controller 40 for the first external microphone 31 and the second external microphone 32 included in the external sound receiver 30.
  • a Bluetooth communication mode for transmitting and receiving an audio signal and performing a voice call through the user terminal and a hearing aid mode for amplifying a sound signal received from the outside.
  • the key input unit constituting the touch motion recognition unit 50, the control of the drive controller 40 and the input signal processing function for the proximity sensor 60 and the display unit 70 for detecting the user's wearing Receives a user's selection input for performing the Bluetooth communication mode and hearing aid mode, and displays the operation status and the like.
  • the functional configuration of the Bluetooth earset in which the ear canal microphone of the present invention is built will be described based on the configuration of the drive control unit 40 and each function.
  • the drive controller 40 includes an input signal controller 41, an audio signal processor 42, a power controller 43, a memory 44, an I / F controller 45, and a central processor 46. And an RF transmitter 47A and an RF receiver 47B, and a power supply unit and a power charger unit.
  • the input signal controller 41 receives the control command according to the Bluetooth communication mode and the hearing aid mode of the central processing unit 46, and selectively switches the electrical connection between the microphone 21 and the first external microphone 31 to be ear-crunched.
  • the activated or deactivated sound signal is transmitted to the sound signal processor 43 through the central processor 46.
  • the input signal controller 41 activates it through the electrical connection with the ear canal microphone 21 in the Bluetooth communication mode, and receives the sound signal of the user's whistle voice received through the ear canal microphone 21.
  • the signal is transmitted to the sound signal processor 42 through.
  • the input signal control unit 41 activates this through the connection with the first external microphone 31 in the hearing aid mode, and disconnects and deactivates the electrical connection with the microphone 21 to the ear canal, the first external microphone ( The external sound signal received from the 31 is transmitted to the sound signal processor 42 through the central processor 46.
  • the input signal controller 41 transmits the external sound signal received from the second external microphone 32 to the sound signal processor 42 through the central processor 46.
  • the sound signal processor 42 amplifies the sound signal of the user's whisper voice received through the ear canal microphone 21 received from the input signal controller 41 through the central processor 46 in the Bluetooth communication mode, and then the digital sound signal. And modulate in a preset manner through digital signal processing (DSP) to transmit to the user terminal through the RF transmitter 47A, amplify the voice signal received through the RF receiver 47B, and change it into a digital sound signal.
  • DSP digital signal processing
  • the digital signal processing (DSP) processes in a preset manner and amplifies the processed electrical signal to be transmitted to the receiver 22 to be reproduced as sound.
  • the amplification amount is adjusted for each frequency of the sound signal received in a preset manner according to the sound signal correction value of the hearing correction mode and transmitted to the receiver 22.
  • the digital signal processing (DSP) process receives the external sound signal received from the second external microphone 32 through the central processing unit 46 to extract the sound signal for the user's voice, the sound for the user's voice And correcting an acoustic signal of a user's whisper voice received through the ear canal microphone 21 based on the signal.
  • DSP digital signal processing
  • the sound signal processor 42 amplifies the external sound signal received through the first external microphone 31 received from the input signal controller 41 through the central processing unit 46 in the hearing aid mode, and changes the digital sound signal.
  • the digital signal processing (DSP) is processed in a preset manner and the amplified electrical signal is transmitted to the receiver 22 to be reproduced as sound.
  • the amplification amount is adjusted for each frequency of the sound signal received in a preset manner according to the sound signal correction value of the hearing correction mode and transmitted to the receiver 22.
  • the digital signal processing receives the external sound signal received from the second external microphone 32 through the central processing unit 46, the sound received through the first external microphone 31 based on the sound signal. Correcting the signal.
  • the power controller 43 controls ON / OFF of the power supplied from the battery 40b according to the control command of the central processor 46, and controls the operation of the power charger.
  • the power control unit 43 detects the power state, that is, whether the charging is completed, discharged or whether the charging is in progress from the power supply unit or the charging unit, and transmits to the central processing unit 46 to be displayed on the display unit 70 in a predetermined manner. do.
  • various setting data including data such as an algorithm for digital signal processing (DSP) and sound signal correction values in a hearing correction mode, and a control algorithm for driving a Bluetooth earset with a built-in microphone can be programmed. It is stored and used according to the call of the central processing unit 46.
  • DSP digital signal processing
  • the I / F control unit 45 controls the key input unit (touch pad), the proximity sensor 60 that detects the user's wearing, and the display unit 70 according to the control command of the central processing unit 46, and the key input unit (touch pad). Receives a touch input from the) and transmits it to the central processing unit 46, and receives the proximity detection signal from the proximity sensor 60 and transmits to the central processing unit 46.
  • the central processing unit 46 generates a control command for controlling the operations of the input signal controller 41 and the sound signal processor 42 according to the Bluetooth communication mode and the hearing aid mode, thereby controlling the controller 41 and the sound signal processor 42.
  • the control command for controlling the operation of the controller 41 and the operation of the control unit 41 and the sound signal processor 42 is based on a user's input or touch recognition recognized through the key input unit (touch pad).
  • the key input unit (touch pad) constituting the touch motion recognition unit 50 described above includes a first touch pad 51 that recognizes a first touch of a user and a second touch pad that recognizes a second touch of a user.
  • the touch panel is composed of two touch pads of 52
  • the touch duration and the first touch of one or more of the first touch pad 51 and the second touch pad 52 may be based on a user's input or touch recognition.
  • a mode is switched between the Bluetooth communication mode and the hearing aid mode, or a control command for terminating the mode is generated and transmitted.
  • the control command for controlling the ON / OFF of the power source may be generated and transmitted based on the user's input or the touch recognition recognized through the key input unit (touch pad).
  • What control command is generated according to the user's input or touch recognition as described above may be preset by the user and included in the driving program to be stored and changed.
  • a control command for increasing or decreasing the volume is generated according to the direction, and the first touch in the Bluetooth communication mode.
  • the user switches to the hearing aid mode, and in the hearing aids mode, the first touch pad 51 and the second touch pads 52 And generates a control command for switching to the Bluetooth communication mode when the touch is continued for one time.
  • the power is set to generate a control command for controlling the power on / off.
  • the central processing unit 46 generates a control command for controlling the ON / OFF of the power supply to the power control unit 43 with the electrical signal for the predetermined proximity from the proximity sensor 60 described above, In addition, it controls the Bluetooth wireless communication with the user terminal, and controls the operation of the Bluetooth earset with a built-in microphone to ear according to the stored driving program.
  • the RF transmitter 47A and the RF receiver 47B transmit and receive a signal for a voice call with the user terminal through Bluetooth wireless communication, and a variety of hearing correction values such as a hearing correction value through the application 300 mounted on the user terminal 200 described above. It performs the function of receiving setting data and required driving program.
  • the control command according to the Bluetooth communication mode is received.
  • the control unit 21 is electrically connected to the ear canal microphone 21 to activate the ear canal microphone 21 and deactivate the first external microphone 31.
  • the input signal processing unit 41 transmits the sound signal for the user's whisper voice received through the microphone to be ear-capped to the sound signal processing unit 42 through the central processing unit 46, and the user's second microphone from the second external microphone.
  • the user's own voice received from the outside of the ear is received and the sound signal of the received user's voice is transmitted to the sound signal processor 42 through the central processor 46.
  • the control command according to the hearing aid mode is received, and in the hearing aid mode, the first external microphone 31 is activated by electrically connecting with the first external microphone 31 to activate the microphone 21 to be eared.
  • the input signal processing unit 41 transmits the sound signal for the external sound received through the first external microphone 31 to the sound signal processing unit 42 through the central processing unit 46, and the second external microphone ( 32 transmits the sound signal for the external sound to the sound signal processing unit 42 through the central processing unit 46.
  • the sound signal processor 42 receiving the control command according to the Bluetooth communication mode functionally comprises an input signal amplifier, an input signal converter, an echo cancellation processor, a noise filter, and an equalizer. (Hearing correction mode), signal strength correction unit, and output signal amplifier selectively activates to perform the required function.
  • a sound signal for a user's whisper voice received and transmitted from the ear canal microphone 21 is processed, transmitted to the user terminal through the RF transmitter 47A, and transmitted from the user terminal through the RF receiver 47B.
  • the audio signal for the talk voice is processed and output to the receiver 22 to be reproduced as sound.
  • the sound signal processing process a sound signal for the user's whisper voice received from the ear canal microphone 21 and transmits the sound signal to the RF transmitter 47A and from the user terminal through the RF receiver 47B. It is divided into a process of processing an audio signal for the transmitted voice call and outputting it to the receiver 22 to be reproduced as sound.
  • an input signal amplification unit an input signal conversion unit, an echo cancellation processing unit, a noise filter, and a signal strength report of 42a are provided.
  • the digital audio signal processing is performed as follows.
  • the input signal amplifier When the acoustic signal for the user's whisper voice received from the ear canal microphone 21 is received, the input signal amplifier amplifies the audio signal for the user's whisper voice.
  • the input signal converting unit converts the amplified sound signal into a digital sound signal by performing an analog signal (Analog Digital Converting) process, that is, converting the digital signal into a digital signal.
  • an analog signal Analog Digital Converting
  • the input signal converting unit before the input signal converting unit removes or reduces the noise from the noise filter, the input signal converting unit transmits an acoustic signal for the user's ear voice received from the microphone 21 to be ear-capped to the second external microphone 32.
  • the input signal converting unit By performing correction on the basis of the input sound signal, perform a preprocessing operation to correct the user tone of the sound signal for the user's whisper voice received through the ear canal microphone 21 to the sound signal of the tone of the user's voice heard from the outside. do.
  • the ear canal microphone when the ear canal microphone is used, the high frequency component of the user's voice is lost or reduced in the sound signal, and only the sound signal for the low frequency component of the voice is left, which is different from the user's tone. Accordingly, the external noise is removed from the sound signals input through the second external microphone 31, the sound signal for the user's voice is extracted, and the sensitivity is adjusted for each frequency to remove low frequency components and to remove the remaining high frequency components. Correcting the acoustic signal of the user's ear voice received through the ear canal microphone 21 according to the sound signal of the user's voice received through the second external microphone in a manner synthesized with the sound signal input from the ear canal microphone. It can be corrected by the sound signal close to the user's tone.
  • the user listening to the sound signal for the user's whistle voice received through the ear canal microphone can minimize the awkward tone experience.
  • the echo cancelation processing unit outputs the sound signal to the receiver and the signal input to the ear canal to reduce the phenomenon caused by the inflow of the sound signal of the other party reproduced through the receiver to the sound signal received through the ear canal microphone.
  • the echo cancellation processing is performed by, for example, delay processing to a preset time for the acoustic signal using the time difference of.
  • the noise filter removes noise such as ambient noise, wind noise or white noise generated from the inside of the terminal with respect to the digital sound signal subjected to the tone correction and echo cancellation.
  • a noise filtering process is performed, which is implemented by a noise removing algorithm in which the characteristics of the noise are generally considered.
  • the signal strength correction unit performs a signal strength correction process for adjusting the signal strength so that the sound signal received from the digitally processed ear canal microphone 21 can be reproduced at a constant volume.
  • the sound of the level is kept low so that the other party can make the call smoothly.
  • the output signal amplifier performs an output signal amplification process of amplifying and outputting the output signal amplifier according to the size of the volume selected or changed by the user.
  • the sound signal of the user's whisper voice which has been processed as described above, is transmitted to the user terminal through a Bluetooth wireless communication method through the RF transmitter 47A.
  • the sound signal received and converted through the wireless Bluetooth communication is in the form of a digital sound signal.
  • the digital sound signal is activated by activating the noise filter, the equalizer (hearing correction mode), the signal strength corrector, and the output signal amplifier of 42b. Perform the process.
  • the noise filter performs a noise filtering process for removing noise, such as white noise, generated electrically inside the terminal, on the digital sound signal received through the Bluetooth wireless communication, which is a noise removal algorithm considering general characteristics of the noise. Is implemented.
  • Equalizer is a correction mode that adjusts the amount of amplification of the sound signal by frequency according to one or more hearing correction modes including a sound signal correction value for adjusting the amount of amplification for each sound signal received in a preset manner. Perform the correction value application process.
  • the signal strength correction unit performs a signal strength correction process that adjusts the signal strength to output to the receiver with a certain signal size, so that the small sound is raised so that the user can listen well, and the loud sound is input to prevent damage to the user's ear.
  • the signal strength is adjusted by reducing the signal that is loudly input above a certain level.
  • the output signal amplifier performs an output signal amplification process of amplifying and outputting the output signal amplifier according to the size of the volume selected or changed by the user.
  • the sound signal for the call voice transmitted from the user terminal through the RF signal receiver 47B processed as described above is output to the receiver 22 and reproduced as sound.
  • the audio signal for the call voice transmitted from the user terminal through the sound signal-processed RF receiver 47B is the receiver 22 together with the sound signal for the user's whisper voice separately processed. Can be output as sound.
  • the sound signal processor 42 receiving the control command according to the hearing aid mode functionally includes an input signal amplifier 42c, an input signal converter, an echo cancellation processor, and a noise filter of 42c.
  • the equalizer heating correction mode
  • signal strength correction unit signal strength correction unit
  • output signal amplification unit are activated to perform the necessary functions.
  • the input signal processor 41 transmits the sound signal for the external sound received through the first external microphone 31 to the sound signal processor 42 through the central processor 46, and the second external microphone.
  • the sound signal for the external sound from the 32 is transmitted to the sound signal processor 42 through the central processor 46.
  • a sound signal for external sound received and transmitted from the first external microphone 31 is processed and output to the receiver 22 to be reproduced as sound.
  • the first external microphone and the second external microphone are activated, the first external microphone 31 is operated as the main microphone, and the second external microphone is used as an auxiliary microphone for correcting the external sound signal.
  • the input signal amplifier performs an input signal amplification process for amplifying a sound signal for the external sound received from the first external microphone 31 and the second external microphone 32.
  • the input signal converting unit converts the amplified sound signal into a digital sound signal by performing an analog digital converting (ADC) process in the input signal converting unit for DSP processing.
  • ADC analog digital converting
  • the input signal converter converts the electrical acoustic signal of the sound received through the first external microphone to the sound received through the second external microphone.
  • the noise reduction effect can be enhanced by analyzing the difference between and removing the difference frequency components as a preprocess.
  • the normal echo cancellation process 930 is omitted in the hearing aid mode.
  • a general echo cancelation unit or process may be added.
  • the noise filter performs a noise filtering process on the corrected digital sound signal to remove noise such as ambient noise, wind, or white noise generated from the inside of the terminal, which is generally considered. Implemented with the elimination algorithm.
  • Equalizer is a correction mode that adjusts the amount of amplification of the sound signal by frequency according to one or more hearing correction modes including a sound signal correction value for adjusting the amount of amplification for each sound signal received in a preset manner. Perform the correction value application process.
  • the signal strength correction unit performs a signal strength correction process that adjusts the signal strength to output to the receiver with a certain signal size, so that the small sound is raised so that the user can listen well, and the loud sound is input to prevent damage to the user's ear.
  • the signal strength is adjusted by reducing the signal that is loudly input above a certain level.
  • the output signal amplifier performs an output signal amplification process of amplifying and outputting the output signal amplifier according to the size of the volume selected or changed by the user.
  • the sound signal for the external sound received and transmitted from the first external microphone 31 processed as the sound signal as described above is output to the receiver 22 and reproduced as sound.
  • FIG. 8 is a flowchart illustrating a method for controlling a Bluetooth earset with a built-in ear canal microphone according to an embodiment of the present invention.
  • the control method of a Bluetooth earset with a built-in ear canal microphone is basically a Bluetooth ear set with a built-in ear canal microphone including a microphone 21 and an external microphone and a touch motion recognition unit 50 for inputting a user's touch motion.
  • the touch motion recognition unit 50 receives and recognizes a touch motion of the user and compares the recognized touch motion with a preset touch motion to determine whether it is a selection input for a Bluetooth communication mode or a hearing aid mode.
  • a mode setting change step (S50) of changing the mode setting to the Bluetooth communication mode is performed by performing (S21).
  • the Bluetooth communication mode setting step S21 is performed, and when it is determined that the hearing aid mode is set, the hearing aid mode setting step S22 is performed.
  • the central processing unit 46 In the Bluetooth communication mode setting step (S21), the central processing unit 46 generates a control command according to the Bluetooth communication mode and transmits it to the input signal processing unit 41, and the received input signal processing unit 41 receives the microphone to be ear-capped ( Electrical connection with 21) to activate the ear canal microphone 21 and to deactivate the first external microphone 31.
  • the input signal processor 41 transmits the sound signal of the user's whistle voice received through the microphone to be ear-capped to the sound signal processor 42 through the central processor 46, and the user's second microphone from the second external microphone.
  • the sound signal processing unit 42 processes this, the user
  • the audio signal for the continuous voice is transmitted to the user terminal through the RF transmitter 47A via a Bluetooth wireless communication method, and the receiver 22 processes the audio signal for the voice call transmitted from the user terminal through the RF receiver 47B.
  • a mode performing step (S30) of outputting and reproducing as sound is performed.
  • the central processing unit 46 In the hearing aid mode setting step (S22), the central processing unit 46 generates a control command according to the hearing aid mode, and transmits it to the input signal processor 41.
  • the received input signal processor 41 receives the first external microphone 31. ) To activate the first external microphone 31 and to deactivate the ear canal microphone (21).
  • the input signal processor 41 transmits the sound signal for the external sound received through the first external microphone 31 to the sound signal processor 42 through the central processor 46, and from the second external microphone.
  • the mode conversion input receiving step S40 when the user's touch motion is input through the touch motion recognition unit 50 while the mode performing step S30 is performed, the mode conversion input receiving step S40 is recognized and the recognized touch motion is compared with a preset touch motion. Determines whether the input is for mode conversion.
  • the mode setting changing step (S50) when it is determined that there is a mode conversion input in the Bluetooth communication mode, the mode setting is changed to the hearing aid mode by performing the hearing aid mode setting step (S22), and it is determined that there is a mode conversion input in the hearing aid mode.
  • the Bluetooth communication mode setting step (S21) is performed to change the mode setting to the Bluetooth communication mode.
  • the Bluetooth communication mode setting step S21 is performed to change the mode setting to the Bluetooth communication mode.
  • the mode setting control process of the Bluetooth earset in which the ear canal microphone is embedded of the present invention is automatically performed when the power is turned on before the mode selection input step S10, and the step of setting the hearing aid mode S22 is performed. Subsequently, it is determined whether the mode conversion input or the telephone reception is performed in the mode conversion input reception step (S40), and the mode setting is changed to the Bluetooth communication mode by performing the Bluetooth communication mode setting step (S21) through the mode setting changing step (S50). It may also be carried out in a manner.
  • FIG. 9 is a flowchart of a method for performing a Bluetooth communication mode of a Bluetooth earset with a built-in ear canal microphone according to an embodiment of the present invention
  • FIG. 10 is a flowchart of a method for performing a hearing aid mode of a Bluetooth ear set with a built-in ear canal microphone according to an embodiment of the present invention
  • FIG. 11 is a flowchart illustrating an acoustic signal processing method of a Bluetooth earset with a built-in ear canal microphone according to an embodiment of the present invention
  • FIG. 12 is an embodiment of a hearing correction mode of a Bluetooth ear set with a built-in ear canal microphone according to an embodiment of the present invention. to be.
  • a mode selection input step of determining whether a selection input is made for the Bluetooth communication mode or the hearing aid mode is performed in comparison with the set touch operation.
  • the mode determined in the mode selection input step S10 is the Bluetooth communication mode (710), and in the case of the Bluetooth communication mode, the Bluetooth communication mode for activating the microphone and the second external microphone 720 for the ear can be set. Accordingly, the Bluetooth communication mode, i.e., the voice call is performed (730), and it is determined whether the voice call is terminated (740). When the voice call is terminated, the Bluetooth communication mode is terminated (S740), and the mode selection input step (S10). Perform
  • the Bluetooth communication mode may be terminated 740 and the hearing aid mode may be automatically performed.
  • the operation is turned on. Enters the standby state, waits for an operation mode selection input through the touch gesture recognition unit 50, and receives and recognizes a touch gesture of the user through the touch gesture recognition unit 50, and presets the recognized touch gesture.
  • a mode selection input step (S10) of determining whether a selection input for a Bluetooth communication mode or a hearing aid mode is performed is performed.
  • the mode determined in the mode selection input step S10 is the hearing aid mode (810), and in the case of the hearing aid mode, the first external microphone and the second external microphone are activated (820) to set a preset equalizer (hearing correction mode).
  • the touch operation recognition unit 50 determines whether there is a change input of the hearing correction mode, and if there is a change input of the hearing correction mode, the equalizer (hearing correction mode). Change (834) to reset the hearing aid mode and perform the hearing aid mode (830).
  • the hearing aid mode is terminated (840), and the Bluetooth communication mode is performed to activate the ear canal microphone and the second external microphone. And activates the first external microphone (850), thereby performing a Bluetooth communication mode, that is, a voice call (830), and determines whether the voice call has ended (861) to terminate the Bluetooth communication mode when the voice call ends.
  • the mode selection input operation S10 is performed.
  • the ear canal microphone 21 and the first external microphone are activated, the ear canal microphone 21 is operated as the main microphone, and the second external microphone is used as an auxiliary microphone for tone correction. do.
  • the RF transmitter 47A and the RF receiver 47B are activated to transmit and receive the audio signal according to the call with the user terminal by Bluetooth wireless communication.
  • an input signal amplification process 910 that is amplified by the input signal amplification unit is first performed on the sound signal of the user's whisper voice received from the microphone 21 to be ear-crunched.
  • the digital signal is converted into a digital sound signal by performing an analog signal (Analog Digital Converting) process, that is, converting the digital signal into a digital signal.
  • an analog signal Analog Digital Converting
  • the input signal conversion unit outputs an acoustic signal for the user's whisper voice received from the microphone 21 to be ear-cucked in a step before removing or reducing noise from the noise filter.
  • an echo cancellation process 930 is performed by the echo cancellation processing unit on the digital sound signal, and the counterpart reproduced through the receiver on the sound signal received through the ear canal microphone.
  • echo cancellation echo
  • Cancelation processing is performed by using the time difference between the sound signal output to the receiver and the signal input to the ear canal microphone, for example, by delaying the sound signal to a predetermined time.
  • a noise filtering process 940 is performed to remove the noise, which is implemented by a noise removal algorithm considering the characteristics of the general noise.
  • the execution of the correction mode correction value applying process 950 is omitted for the sound signal received through the ear canal microphone.
  • the signal strength correction process 960 the sound signal received from the ear canal microphone 21 is omitted. Adjust the signal strength so that is reproduced at a constant volume. This allows small levels of sound to be raised and larger levels to be made smaller so that the other party can make the call smoothly.
  • the output signal amplification unit performs an output signal amplification process 970 for amplifying and outputting the output signal according to the size of the volume selected by the user.
  • the sound signal of the user's whisper voice which has been processed as described above, is transmitted to the user terminal through a Bluetooth wireless communication method through the RF transmitter 47A.
  • the sound signal received and converted through the Bluetooth wireless communication in the process of processing the sound signal is a digital sound signal form
  • the input signal amplification A process 910 and an input signal conversion process 920 are omitted
  • a noise filtering process 940 is performed to remove noise such as white noise generated in the terminal.
  • the sound signal is frequencyd according to one or more hearing correction modes including a sound signal correction value for adjusting the amount of amplification for each sound frequency received in a preset manner through an equalizer (hearing correction mode).
  • a correction mode correction value application process 950 for adjusting the amount of amplification is performed.
  • the hearing hearing mode is divided into 32 stages by dividing the audio frequency bandwidth (0 to 8 KHz) into 32 stages in 250 Hz units in order to improve the hearing loss of a specific frequency band for the hearing loss of a specific frequency band.
  • the user selects a hearing correction mode suitable for his or her hearing among the four hearing correction modes, and the selected hearing correction mode is set to the Bluetooth earset 100 through Bluetooth wireless communication from the application 300 of the user terminal 200.
  • the ported and selected hearing correction mode may be implemented to be set in the Bluetooth ear set 100.
  • the hearing correction mode of the present embodiment targets the hearing loss who does not normally hear 70 dB or less, which accounts for 75% of the total hearing loss, and through the analysis of the hearing test result for the hearing loss, the set value of each hearing correction mode is experimentally determined. As in 12, it is preset to one or more modes.
  • a signal strength correction process 960 is performed to adjust the signal strength so that the sound signal processed by applying the correction value is output to the receiver with a predetermined signal size through the signal strength correction unit. This is to protect the user's ear by reducing the signal input to a loud sound of a predetermined level or more in order to prevent the user's ear to be heard well and to damage the user's ear because too loud sound is input.
  • the output signal amplification unit performs an output signal amplification process 970 for amplifying and outputting the output signal according to the size of the volume selected by the user.
  • the audio signal for the call voice transmitted from the user terminal through the RF signal receiver 47B processed as described above is output to the receiver 22 and reproduced as sound.
  • the first external microphone and the second external microphone are activated, the first external microphone 31 operates as the main microphone, and the second external microphone is used as an auxiliary microphone for correcting the external sound signal.
  • 1 Processes an acoustic signal for external sound received from the external microphone 31 and reproduces the external sound received from the first external microphone 31 as sound in the receiver.
  • the input signal amplification part 910 is first performed by the input signal amplification part with respect to the sound signal for the external sound received and transmitted from the first external microphone 31 and the second external microphone 32.
  • a signal conversion process 920 is performed to convert the amplified sound signal into an analog digital converting (ADC) process by an input signal converter for DSP processing.
  • ADC analog digital converting
  • the input signal conversion unit before performing the operation of removing or reducing noise from the noise filter, and converts the electrical acoustic signal of the sound received through the first external microphone into the second signal.
  • a preprocessing operation for correcting according to an electric sound signal of the sound received through the external microphone may be performed.
  • the intensity of the acoustic signal between the first external microphone as the main microphone and the second external microphone as the auxiliary microphone is adjusted, and the sound signal input to the first external microphone 31 and the second external microphone 32 is adjusted.
  • a method of analyzing the difference in frequency components and removing the difference frequency components as a preprocess may be used.
  • a normal echo cancellation process 930 may be omitted.
  • a general echo cancellation process may be added and performed.
  • a noise filtering process 940 is performed to remove noise such as ambient noise and wind noise input through the micro-input signal through the noise filter, or white noise generated in the terminal. This is implemented by a noise cancellation algorithm in which the characteristics of the general noise are considered.
  • the sound signal is frequencyd according to one or more hearing correction modes including a sound signal correction value for adjusting the amount of amplification for each sound frequency received in a preset manner through an equalizer (hearing correction mode).
  • a correction mode correction value application process 950 for adjusting the amount of amplification is performed.
  • the hearing hearing mode is divided into 32 stages by dividing the audible frequency bandwidth (0 to 8 KHz) in 32 steps of 250 Hz to improve the hearing loss of a specific frequency band for the hearing loss of a specific frequency band.
  • the user selects a hearing correction mode suitable for his or her hearing among the four hearing correction modes, and the selected hearing correction mode is set to the Bluetooth earset 100 through Bluetooth wireless communication from the application 300 of the user terminal 200.
  • the ported and selected hearing correction mode may be implemented to be set in the Bluetooth ear set 100.
  • the hearing correction mode of the present embodiment targets the hearing loss who does not normally hear 70 dB or less, which accounts for 75% of the total hearing loss, and through the analysis of the hearing test result for the hearing loss, the set value of each hearing correction mode is experimentally determined. As in 12, it is preset to one or more modes.
  • a signal strength correction process 960 is performed to adjust the signal strength so that the sound signal processed by applying the correction value is output to the receiver with a predetermined signal size through the signal strength correction unit. This is to protect the user's ear by reducing the signal input to a loud sound of a predetermined level or more in order to prevent the user's ear to be heard well and to damage the user's ear because too loud sound is input.
  • an output signal amplification unit performs an output signal amplification process 970 for amplifying and outputting a volume according to a volume selected by the user, and outputting the sound signal for the external sound from which the above-described sound signal is processed to the receiver 22. It is output and reproduced as sound.

Abstract

La présente invention concerne une oreillette Bluetooth (100) disposant d'un microphone de canal auditif intégré et un procédé de commande de ce dernier, plus particulièrement, à une oreillette Bluetooth (100) disposant d'un microphone de canal auditif intégré et un procédé de commande de ce dernier, l'oreillette Bluetooth (100) disposant d'un microphone de canal auditif intégré comprenant : un boîtier de caractéristiques (10); une unité comprenant un microphone/récepteur (20); une unité de réception de son externe (30) comprenant au moins un microphone externe; et une unité de commande d'entraînement (40) pour commander une communication sans fil Bluetooth et effectuer une commande de transmission/réception et une reproduction de signaux sonores et entraîner une partie constitutive de ce dernier. La présente invention est avantageuse en ce qu'il est possible de fournir une oreillette Bluetooth disposant d'un microphone de canal auditif intégré, sur la base d'un concept nouveau, susceptible d'effectuer simultanément la fonction d'une oreillette Bluetooth à laquelle est intégrée un microphone de canal auditif, qui effectue une communication vocale par l'intermédiaire d'un terminal utilisateur, sans être affecté par le bruit extérieur, à travers le microphone de canal auditif, et la fonction d'aide auditive nécessaire aux patients ayant une audition altérée.
PCT/KR2015/011190 2015-09-09 2015-10-22 Oreillette bluetooth disposant de microphone de canal auditif intégré et son procédé de commande WO2017043688A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2017538566A JP6360633B2 (ja) 2015-09-09 2015-10-22 イヤーカナルマイクを内蔵するブルートゥースイヤーセットとその制御方法

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2015-0127890 2015-09-09
KR1020150127890A KR101744507B1 (ko) 2015-09-09 2015-09-09 이어커낼 마이크가 내장된 블루투스 이어셋
KR10-2015-0127874 2015-09-09
KR1020150127874A KR101744503B1 (ko) 2015-09-09 2015-09-09 이어커낼 마이크가 내장된 블루투스 이어셋

Publications (1)

Publication Number Publication Date
WO2017043688A1 true WO2017043688A1 (fr) 2017-03-16

Family

ID=58240938

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2015/011190 WO2017043688A1 (fr) 2015-09-09 2015-10-22 Oreillette bluetooth disposant de microphone de canal auditif intégré et son procédé de commande

Country Status (2)

Country Link
JP (1) JP6360633B2 (fr)
WO (1) WO2017043688A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106847290A (zh) * 2017-04-18 2017-06-13 哈尔滨理工大学 一种嵌入式语音识别助听装置
CN107027080A (zh) * 2017-06-08 2017-08-08 歌尔科技有限公司 一种耳机及耳机操作方法
CN107396228A (zh) * 2017-08-28 2017-11-24 深圳传音通讯有限公司 基于超声波的无线耳机及其控制系统
CN108632703A (zh) * 2017-03-22 2018-10-09 深圳市三诺声智联股份有限公司 一种蓝牙耳机音箱系统及音箱
CN112312258A (zh) * 2020-09-08 2021-02-02 深圳市逸音科技有限公司 一种具有听力防护及听力补偿的智能耳机
CN112911480A (zh) * 2021-01-22 2021-06-04 成都市舒听医疗器械有限责任公司 一种助听器声音放大方法及助听器
CN113573195A (zh) * 2021-07-27 2021-10-29 歌尔科技有限公司 蓝牙耳机的模式控制方法、设备及计算机可读存储介质

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6807134B2 (ja) * 2018-12-28 2021-01-06 日本電気株式会社 音声入出力装置、補聴器、音声入出力方法および音声入出力プログラム

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080031475A1 (en) * 2006-07-08 2008-02-07 Personics Holdings Inc. Personal audio assistant device and method
JP2008092356A (ja) * 2006-10-03 2008-04-17 Hosiden Corp ヘッドセット
KR20110097530A (ko) * 2010-02-25 2011-08-31 휴리아 주식회사 보청기 겸용 블루투스 헤드셋 및 그 제어방법
KR101341308B1 (ko) * 2012-03-29 2013-12-12 신두식 이어셋용 방음하우징 및 그를 구비하는 유.무선 이어셋
KR101381289B1 (ko) * 2012-10-25 2014-04-04 신두식 귓속 삽입형 마이크를 사용하는 유무선 이어셋

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5265373B2 (ja) * 2005-11-11 2013-08-14 フィテック システムズ リミテッド ノイズ消去イヤホン
NL1033281C2 (nl) * 2006-07-21 2008-01-22 Exsilent Res Bv Hoortoestel, uitbreidingseenheid en werkwijze voor het vervaardigen van een hoortoestel.
US7995782B2 (en) * 2007-01-29 2011-08-09 Siemens Hearing Instruments, Inc. Combined receiver and ear-canal microphone assembly for a hearing instrument
WO2010129241A1 (fr) * 2009-04-28 2010-11-11 Bose Corporation Filtre anr dynamiquement configurable et topologie de traitement de signal
WO2014053024A1 (fr) * 2012-10-05 2014-04-10 Wolfson Dynamic Hearing Pty Ltd Système et procédé d'audition binaurale
US9881601B2 (en) * 2013-06-11 2018-01-30 Bose Corporation Controlling stability in ANR devices

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080031475A1 (en) * 2006-07-08 2008-02-07 Personics Holdings Inc. Personal audio assistant device and method
JP2008092356A (ja) * 2006-10-03 2008-04-17 Hosiden Corp ヘッドセット
KR20110097530A (ko) * 2010-02-25 2011-08-31 휴리아 주식회사 보청기 겸용 블루투스 헤드셋 및 그 제어방법
KR101341308B1 (ko) * 2012-03-29 2013-12-12 신두식 이어셋용 방음하우징 및 그를 구비하는 유.무선 이어셋
KR101381289B1 (ko) * 2012-10-25 2014-04-04 신두식 귓속 삽입형 마이크를 사용하는 유무선 이어셋

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108632703A (zh) * 2017-03-22 2018-10-09 深圳市三诺声智联股份有限公司 一种蓝牙耳机音箱系统及音箱
CN106847290A (zh) * 2017-04-18 2017-06-13 哈尔滨理工大学 一种嵌入式语音识别助听装置
CN107027080A (zh) * 2017-06-08 2017-08-08 歌尔科技有限公司 一种耳机及耳机操作方法
CN107027080B (zh) * 2017-06-08 2023-12-26 歌尔科技有限公司 一种耳机及耳机操作方法
CN107396228A (zh) * 2017-08-28 2017-11-24 深圳传音通讯有限公司 基于超声波的无线耳机及其控制系统
CN112312258A (zh) * 2020-09-08 2021-02-02 深圳市逸音科技有限公司 一种具有听力防护及听力补偿的智能耳机
CN112312258B (zh) * 2020-09-08 2023-04-07 深圳市逸音科技有限公司 一种具有听力防护及听力补偿的智能耳机
CN112911480A (zh) * 2021-01-22 2021-06-04 成都市舒听医疗器械有限责任公司 一种助听器声音放大方法及助听器
CN113573195A (zh) * 2021-07-27 2021-10-29 歌尔科技有限公司 蓝牙耳机的模式控制方法、设备及计算机可读存储介质
CN113573195B (zh) * 2021-07-27 2023-03-17 歌尔科技有限公司 蓝牙耳机的模式控制方法、设备及计算机可读存储介质

Also Published As

Publication number Publication date
JP6360633B2 (ja) 2018-07-18
JP2017536062A (ja) 2017-11-30

Similar Documents

Publication Publication Date Title
WO2017043688A1 (fr) Oreillette bluetooth disposant de microphone de canal auditif intégré et son procédé de commande
WO2017204574A1 (fr) Équipement sonore sans fil
WO2012102464A1 (fr) Microphone auriculaire, et dispositif de commande de tension pour microphone auriculaire
WO2020055048A1 (fr) Procédé pour déterminer l'état de port d'écouteur, procédé de commande d'appareil électronique et appareil électronique
WO2017188648A1 (fr) Écouteur et son procédé de commande
WO2019182325A1 (fr) Dispositif électronique et procédé de commande de reconnaissance vocale dudit dispositif électronique
KR101899005B1 (ko) 외부 마이크 및 이어커낼 마이크가 내장된 외부 소음환경 적응형 블루투스 이어셋 및 이의 제어방법
WO2020141824A2 (fr) Procédé de traitement de signal audio et dispositif électronique pour le prendre en charge
KR101744503B1 (ko) 이어커낼 마이크가 내장된 블루투스 이어셋
CA2673064C (fr) Techniques de microphone
WO2012069020A1 (fr) Procédé et dispositif d'amélioration de la qualité de la parole, et casque de communication avec réduction du bruit
EP3689000A1 (fr) Procédé de commande d'oreillette et dispositif électronique prenant en charge ledit procédé
EP3909259A1 (fr) Procédé de détection du port d'un dispositif acoustique, et dispositif acoustique prenant le procédé en charge
WO2022019577A1 (fr) Dispositif de sortie audio comprenant un microphone
WO2018026201A1 (fr) Système de détermination d'attributs et d'état d'élément de casque stéréo sans fil
WO2019066343A1 (fr) Procédé et dispositif de communication entre dispositifs électroniques
KR20170030375A (ko) 이어커낼 마이크가 내장된 블루투스 이어셋
WO2022080612A1 (fr) Dispositif audio portable
WO2021145659A1 (fr) Dispositif de sortie audio et procédé de commande de vitesse de sortie de données audio associé
WO2020145417A1 (fr) Robot
WO2020111606A1 (fr) Lunettes et module amovible associé
WO2021194096A1 (fr) Dispositif de boîtier
WO2022025452A1 (fr) Dispositif électronique et procédé de fonctionnement de dispositif électronique
KR0159358B1 (ko) 핸드프리 보청 전화기
WO2023106439A1 (fr) Dispositif sonore sans fil et procédé de commande de celui-ci

Legal Events

Date Code Title Description
ENP Entry into the national phase

Ref document number: 2017538566

Country of ref document: JP

Kind code of ref document: A

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15903668

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 20/08/2018)

122 Ep: pct application non-entry in european phase

Ref document number: 15903668

Country of ref document: EP

Kind code of ref document: A1