WO2021103265A1 - 一种复合耳机 - Google Patents

一种复合耳机 Download PDF

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Publication number
WO2021103265A1
WO2021103265A1 PCT/CN2019/130290 CN2019130290W WO2021103265A1 WO 2021103265 A1 WO2021103265 A1 WO 2021103265A1 CN 2019130290 W CN2019130290 W CN 2019130290W WO 2021103265 A1 WO2021103265 A1 WO 2021103265A1
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WO
WIPO (PCT)
Prior art keywords
headset
voice
wired
bluetooth
audio
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Application number
PCT/CN2019/130290
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English (en)
French (fr)
Inventor
王海勇
Original Assignee
歌尔股份有限公司
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Publication date
Application filed by 歌尔股份有限公司 filed Critical 歌尔股份有限公司
Priority to US17/608,310 priority Critical patent/US11937059B2/en
Publication of WO2021103265A1 publication Critical patent/WO2021103265A1/zh

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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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041—Mechanical or electronic switches, or control elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • 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
    • H04R1/1025—Accumulators or arrangements for charging
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/03—Connection circuits to selectively connect loudspeakers or headphones to amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication

Definitions

  • the invention relates to the technical field of earphones, in particular to a composite earphone.
  • earphones are divided into various types, such as TWS (True Wireless Stereo) earphones, gaming earphones, wired earphones, and sports earphones. Users usually choose different earphones based on different needs in different scenarios. For example, TWS earphones are usually used for easy portability outdoors, and gaming earphones or wired earphones are usually used to ensure low latency and high comfort during games. When pursuing high sound effects choose headphones with sound processing, etc.
  • the existing various types of earphones usually do not have the above-mentioned functions at the same time, and cannot meet the user's use effect requirements in various scenarios.
  • the purpose of the present invention is to provide a composite earphone, which has the functions of portability, high sound effect and low delay at the same time, can meet the user's use effect requirements in various scenarios, improve user experience, and reduce cost.
  • the present invention provides a composite earphone, including:
  • Head-mounted wired headset and wireless Bluetooth headset
  • the wired headset is used to establish an audio transmission communication connection with the wireless Bluetooth headset when the wireless Bluetooth headset is set on the wired headset and a composite event is triggered; the wired headset communicates with the wireless Bluetooth headset. Said wireless bluetooth headset plays the first audio received through bluetooth;
  • the wireless Bluetooth headset detachably arranged on the headset wired headset is used to send the voice collected by the headset wired headset through Bluetooth.
  • the wireless Bluetooth headset is a TWS headset.
  • the headset wired headset includes a voice decoding chip and an audio playback device, a voice collection device, and an audio interface that are all connected to the voice decoding chip;
  • the wireless Bluetooth headset includes a Bluetooth voice decoding chip;
  • the voice decoding chip is used to control the Bluetooth voice decoding chip to establish audio with the audio playback device and/or voice acquisition device of the corresponding ear when the wireless Bluetooth headset is set on the headset wired headset and a composite event is triggered Transmission communication connection; performing stereo sound effect processing on the second audio transmitted by the audio interface when used alone;
  • the Bluetooth voice decoding chip is used to convert the voice collected by the voice collection device connected to itself from analog to digital and then send it out via Bluetooth; after converting the first audio received via Bluetooth from digital to analog Play through the audio playback device corresponding to the ear.
  • the Bluetooth voice decoding chip is also used to disconnect itself from the audio playback device and voice acquisition device of the wireless Bluetooth headset where it is located; the voice decoding chip controls itself to disconnect from the Connection of voice collection device and audio interface.
  • disconnecting itself from the audio playback device and voice collection device of the wireless Bluetooth headset where it is located includes:
  • the voice collected by the voice collection device of the wireless Bluetooth headset is not processed.
  • the head-mounted wired headset further includes a button connected with the speech decoding chip
  • the compound event is triggered, including:
  • a composite instruction sent by the button is received.
  • the head-mounted wired headset further includes a detection device connected to the voice decoding chip;
  • the voice decoding chip Before controlling the Bluetooth voice decoding chip to establish a communication connection with the audio playback device and the voice acquisition device of the corresponding ear, the voice decoding chip is also used to detect that the wireless Bluetooth headset is set on the headset through the detection device. A signal communication connection is established with the Bluetooth voice decoding chip when the wired headset is on.
  • the headset wired earphone is provided with an iron magnet
  • the wireless bluetooth earphone is provided with an iron sheet matched with the iron magnet or a magnetic adsorption member that is magnetically opposite to the iron magnet.
  • the audio interface includes a digital audio interface and/or an analog audio interface.
  • the wired headset further includes a battery and a power management chip connected to the battery;
  • the voice decoding chip is also used to control the battery to charge the wireless Bluetooth headset through a power management chip when the wireless Bluetooth headset is set on the wired headset.
  • the method before controlling the battery to charge the wireless Bluetooth headset through a power management chip, the method further includes:
  • the invention provides a composite earphone, which includes a wireless bluetooth earphone and a head-mounted wired earphone.
  • the wireless bluetooth earphone is detachably arranged on the head-mounted wired earphone.
  • the wireless Bluetooth headset and the wired headset can be used separately.
  • the wireless Bluetooth headset used alone meets the needs of portability
  • the wired wired headset used alone meets the needs of portability.
  • the wireless bluetooth headset is installed on the wired headset, the wireless bluetooth headset and the wired headset are used in combination, and the wired headset becomes a wireless Bluetooth headset, which also meets the needs of portability and high sound efficiency, and Improve the comfort of use in the state of wireless audio transmission.
  • the composite headset has the functions of portability, high sound effect and low latency at the same time, which can meet the user's use effect requirements in various scenarios, improve the user experience, and reduce the cost.
  • Fig. 1 is a schematic diagram of the structure of a composite earphone provided by the present invention
  • Fig. 2 is a schematic structural diagram of a specific composite earphone provided by the present invention.
  • Fig. 3 is a schematic structural diagram of another specific composite earphone provided by the present invention.
  • the core of the present invention is to provide a composite earphone, which has the functions of portability, high sound effect and low delay at the same time, can meet the user's use effect requirements in various scenarios, improve user experience, and reduce cost.
  • wireless bluetooth headsets can choose either a single wireless bluetooth headset or the most popular TWS headset.
  • the following wireless bluetooth headset uses TWS headset as an example to expand the description.
  • FIG. 1 is a schematic structural diagram of a composite earphone provided by the present invention.
  • the left earphone of the TWS earphone is the master earphone and the right earphone is the slave earphone as an example.
  • the composite headset includes:
  • the wired headset 1 is used to establish an audio transmission communication connection with the TWS headset 2 when the TWS headset 2 is set on the wired headset 1 and a composite event is triggered; the first audio received by the TWS headset 2 via Bluetooth Play
  • the TWS headset 2 detachably installed on the wired headset 1 is used to send the voice collected by the wired headset 1 through Bluetooth.
  • the composite headset includes a wired headset 1 and a TWS headset 2.
  • the TWS headset 2 is detachably set in the wired headset 1 (except that it is not set in the sound cavity, this application The specific position is not particularly limited).
  • the left earphone of the TWS earphone 2 is detachably set on the left earphone of the wired headset 1, and the right earphone of the TWS earphone 2 is detachably set on the headset.
  • the right earphone of wired earphone 1 On the right earphone of wired earphone 1.
  • the user can choose whether to install the TWS headset 2 on the wired headset 1 according to specific usage scenarios.
  • the following is an introduction to the combination of TWS headset 2 and wired headset 1:
  • the TWS headset 2 can be used as a TWS headset alone.
  • the TWS headset 2 receives audio through its own Bluetooth, it converts the audio from digital to analog and plays it; when it receives the voice collected by itself, the audio The analog quantity is converted to digital quantity and sent out through its own Bluetooth.
  • the wired headset 1 can be used alone as a wired headset.
  • the wired headset 1 can receive audio through the headset cable and play it directly when the audio is analog.
  • the audio is digital
  • the audio is converted from digital
  • the voice is collected, the voice can be converted from an analog volume to a digital volume and then sent through the digital audio interface, or the analog volume can be sent directly through the analog audio interface.
  • the TWS headset 2 and the wired headset 1 are independent of each other and do not affect each other.
  • the TWS headset 2 is a Bluetooth-based wireless headset, which meets the user's portable use requirements.
  • the sound cavity and sound playback device (such as a speaker) of the wired headset 1 is usually large, so it meets the user's demand for high sound effects, and the wired headset 1 performs audio and voice transmission based on the headset cable. Meet the user's demand for low latency.
  • triggering a composite event refers to the operation of triggering the wired headset 1 when the user wants to use the TWS headset 2 and the wired headset 1 in combination.
  • the TWS headset 2 is equivalent to a Bluetooth communication module, and is a transit node for the wired headset 1 to communicate with the outside world.
  • the wired headset 1 and the TWS headset 2 will establish an audio transmission communication connection, thereby realizing the wired headset 1
  • the audio and voice are transmitted between the TWS headset 2 and the audio transmission communication connection here refers to the connection between the TWS headset 2 and the audio playback device 13 and the voice collection device 12 in the headset 1.
  • the TWS headset 2 receives the first audio through its own Bluetooth, it sends the first audio to the wired headset 1, and the wired headset 1 plays the first audio after receiving the first audio;
  • the wireless wired headset 1 collects voice, it sends the voice to the TWS headset 2, and the TWS headset 2 sends the voice through Bluetooth.
  • the headset is usually only sent through one headset when sending voices. Therefore, when sending voices through the TWS headset 2, only the main headset in the TWS headset 2 can be selected for transmission.
  • the wired headset 1 is equivalent to a wireless Bluetooth headset, and the sound cavity and sound playback device of the wired headset 1 are usually relatively low. Therefore, the wired headset 1 satisfies the user's requirements for low latency and high sound effects.
  • the wired headset 1 can be used alone as a wired headset, and the wired headset 1 can receive audio through the headset cable. And when the audio is analog, convert the audio from analog to digital and play it, and/or play the audio directly when the audio is digital, and convert the voice from analog to digital when the voice is collected Then it is sent through the headphone cable, which meets the user's needs for low latency and high sound effects.
  • the wired headset can charge the TWS headset 2. It can be seen that the low latency and The TWS headset 2 can also be charged based on the demand for high sound effects.
  • the TWS earphone 2 when the TWS earphone 2 is removed from the wired headset 1, the TWS earphone 2 and the wired headset 1 can be used separately, and the TWS earphone 2 used alone satisfies portability.
  • the head-mounted wired headset 1 used alone meets the needs of high sound efficiency and low latency.
  • the TWS headset 2 is set on the wired headset 1, the TWS headset 2 and the wired headset 1 are used in combination, and the wired headset 1 becomes a wireless Bluetooth headset, which satisfies the portable and high-sound performance. Demand, and improve the comfort of use in the state of wireless transmission of audio. It can be seen that the composite headset has the functions of portability, high sound effect and low latency at the same time, which can meet the user's use effect requirements in various scenarios, improve the user experience, and reduce the cost.
  • FIG. 2 is a schematic structural diagram of a specific composite earphone provided by the present invention.
  • the wired headset 1 includes a voice decoding chip 11, an audio playback device 13, a voice acquisition device 12, and an audio interface 14 all connected to the voice decoding chip 11;
  • the TWS headset 2 includes a Bluetooth voice decoding chip twenty one;
  • the voice decoding chip 11 is used to control the Bluetooth voice decoding chip 21 to establish audio transmission with the audio playback device 13 and/or the voice acquisition device 12 of the corresponding ear when the TWS headset 2 is set on the wired headset 1 and a composite event is triggered Communication connection; when used alone, perform stereo sound processing on the second audio transmitted by the audio interface 14;
  • the Bluetooth voice decoding chip 21 is used to convert the voice collected by the voice collection device 12 connected to itself from analog to digital and then send it out via Bluetooth; after converting the first audio received via Bluetooth from digital to analog Play through the audio playback device 13 corresponding to the ear.
  • the wired headset 1 usually includes only one voice decoding chip 11 (corresponding to the USB codec in Figure 2) and one voice acquisition device 12 (corresponding to the MIC1 in Figure 2), and the left headset (corresponding to the MIC1 in Figure 2)
  • the HL in Figure 2) and the right earphone (corresponding to the HR in Figure 2) both include an audio playback device 13.
  • the TR) in each includes a Bluetooth voice decoding chip 21 (corresponding to BT+Codec in FIG. 2).
  • the voice decoder chip 11 When the TWS headset 2 is set on the wired headset 1, the voice decoder chip 11 will establish a signal communication connection with the Bluetooth voice decoder chip 21 in the left and right earphones of the TWS headset 2 respectively (corresponding to the UART-1 interface in Figure 2 With UART-2 interface, in actual application, subsequent audio communication connection (corresponding to MIC-1 interface, SPK-1 interface and MIC-2 interface, SPK-2 interface in Figure 2) can be controlled through signal communication connection , It is also possible to control the wired headset 1 to charge the TWS headset 2 through a signal connection, which will be described in detail in the following embodiments). When a composite event is triggered, the voice decoding chip 11 communicates with the left and right earphones of the TWS headset 2.
  • the signal communication of the Bluetooth voice decoding chip 21 is used to control the Bluetooth voice decoding chip 21 in the left and right earphones of the TWS headset 2 to establish an audio transmission communication connection with the audio playback device 13 and/or the voice collection device 12 of the corresponding ear.
  • the acquisition device 12 establishes an audio transmission communication connection
  • the Bluetooth voice decoding chip 21 in the right earphone of the TWS earphone 2 establishes an audio transmission communication connection with the audio playback device 13 of the right earphone of the wired headset 1.
  • the corresponding ear refers to the left earphone of the TWS earphone 2 corresponding to the left earphone of the wired headset 1
  • the right earphone of the TWS earphone 2 corresponds to the right earphone of the wired headset 1.
  • the voice collection device 12 will directly transmit the analog voice to the Bluetooth voice decoding chip 21 connected to itself when the voice is collected.
  • the Bluetooth voice decoding chip 21 will convert the voice to the Bluetooth voice decoding chip 21 when it receives the voice.
  • the analog quantity is converted into a digital quantity and sent out through its own Bluetooth.
  • the Bluetooth voice decoding chip 21 converts the first audio from digital to analog and directly transmits it to the audio playback device 13 of the corresponding ear for playback.
  • the TWS headset 2 When the TWS headset 2 is not set on the wired headset 1, the TWS headset 2 is used alone. Specifically, when the Bluetooth voice decoding chip 21 receives audio through its own Bluetooth, it converts the audio from digital to analog and then plays it through its own audio playback device 13; after receiving the voice collected by its own voice collection device 12 At the time, the voice is converted from analog to digital and sent out through its own Bluetooth.
  • the wired headset 1 When the TWS headset 2 is not set on the wired headset 1, or when the TWS headset 2 is set on the wired headset 1 but the composite event is not triggered, the wired headset 1 is used alone. Specifically, the wired headset 1 can receive the second audio through the headphone cable and the audio interface 14, and then convert the second audio from analog to digital (this step is performed when the audio interface 14 is an analog audio interface, if the audio interface 14 is an analog audio interface) If the interface 14 is a digital audio interface, you do not need to perform this step), and then perform stereo sound processing on the digital second audio, and then convert the second audio after the stereo sound processing from digital to analog and pass it through its own The audio playback device 13 of the left and right ears plays.
  • the voice is first converted from analog to digital (this step is performed when the audio interface 14 is a digital audio interface, and if the audio interface 14 is an analog audio interface, this step is not required. ), and send through the audio interface 14 and the earphone cable.
  • the stereo sound processing here can adjust EQ (Equalizer, equalizer), surround stereo sound, 3D sound effects, etc., which is not particularly limited in this application.
  • the audio playback device 13 can be, but not limited to, a speaker
  • the voice collection device 12 can be, but not limited to, a MIC (microphone).
  • the audio interface 14 includes a digital audio interface and/or an analog audio interface. Among them, the digital audio interface here can be but not limited to the USB audio interface 14, and the analog audio interface can be but not limited to the 3.5mm audio interface 14.
  • the composite earphone provided in this embodiment has the functions of portability, high sound effect, and low latency at the same time, which can meet the user's use effect requirements in various scenarios, improve the user experience, and reduce the cost.
  • the second audio transmitted by the audio interface 14 can be subjected to stereo sound effect processing, which further meets the demand for high sound effect.
  • the composite headset includes a wired headset 1 and a TWS headset 2 detachably mounted on the wired headset 1;
  • the wired headset 1 includes a level contact 19, an analog The audio interface 18 and the audio playback device 13 and the voice acquisition device 12 that are both connected to the analog audio interface 18.
  • the TWS headset 2 includes a Bluetooth voice decoding chip 21 and a detection contact that matches the level contact 19, and the detection contact is in contact with the The level changes when the level contact 19 is in contact;
  • the Bluetooth voice decoding chip 21 is used to establish an audio transmission communication connection with the audio playback device 13 and/or the voice acquisition device 12 of the corresponding ear when the level change of its detection contact is detected; the voice acquisition device connected to itself 12
  • the collected voice is converted from analog to digital and then sent out via Bluetooth; the audio received via Bluetooth is converted from digital to analog and then played by the audio playback device 13 connected to itself.
  • FIG. 3 is a schematic structural diagram of another specific composite earphone provided by the present invention.
  • the level contact 19 in this application triggers the Bluetooth voice decoding chip 21 and the audio playback device 13 of the corresponding ear by contact with the detection contact. And/or the voice collection device 12 establishes an audio transmission communication connection.
  • the level contact 19 is also a contact that outputs a predetermined level (high level or low level).
  • the level contact 19 is a high level contact 19
  • the contact can be connected to the head
  • the power supply in the wired headset 1 (which can be obtained after conversion by the battery 16 in the wired headset 1) is connected.
  • the level contact 19 is a low level contact 19, the contact can be grounded.
  • the level of the detection contact changes and becomes the same level as the level output by the level contact 19.
  • the level of the detection contact is originally low (specifically, the detection contact can be grounded through a pull-down resistor), when the level contact 19 (output high level) is in contact with the detection contact, the detection contact The level becomes high.
  • the level of the detection contact is originally high (specifically, the detection contact can be connected to the power supply through a pull-up resistor), then when the level contact 19 (output low level) is in contact with the detection contact, the detection The level of the contact becomes low.
  • the head-mounted wired earphone 1 does not include the voice decoding chip 11, and has a simple structure, which reduces the cost of the composite earphone.
  • the TWS headset 2 can be used alone as a TWS headset.
  • the Bluetooth voice decoding chip 21 receives audio through its own Bluetooth, it converts the audio from digital to analog and then plays it through its own audio playback device;
  • the voice is converted from analog to digital and sent out through its own Bluetooth.
  • the wired headset 1 at this time can be used alone as a wired headset.
  • the audio playback device 13 can receive and play analog audio through the headset cable and the analog audio interface 18.
  • the voice collection device 12 collects the voice, it is directly sent through the audio interface 14 and the earphone cable.
  • the TWS headset 2 and the wired headset 1 are independent of each other and do not affect each other.
  • the TWS headset 2 is a Bluetooth-based wireless headset, which meets the user's portable use requirements.
  • the sound cavity and sound playback device (such as a speaker) of the wired headset 1 is usually large, so it meets the user's demand for high sound effects, and the wired headset 1 performs audio and voice transmission based on the headset cable. Meet the user's demand for low latency.
  • the detection contact of the Bluetooth voice decoding chip 21 will contact the level contact 19 and change the level.
  • the Bluetooth voice decoding chip 21 detects the level change of its detection contact, it will contact the audio playback device 13 of the corresponding ear. And/or the voice collection device 12 establishes an audio transmission communication connection.
  • the acquisition device 12 establishes an audio transmission communication connection
  • the Bluetooth voice decoding chip 21 in the right earphone of the TWS earphone 2 establishes an audio transmission communication connection with the audio playback device 13 of the right earphone of the wired headset 1.
  • the corresponding ear refers to the left earphone of the TWS earphone 2 corresponding to the left earphone of the wired headset 1
  • the right earphone of the TWS earphone 2 corresponds to the right earphone of the wired headset 1.
  • the voice collection device 12 will directly transmit the analog voice to the Bluetooth voice decoding chip 21 connected to itself when the voice is collected.
  • the Bluetooth voice decoding chip 21 will convert the voice to the Bluetooth voice decoding chip 21 when it receives the voice.
  • the analog quantity is converted into a digital quantity and sent out through its own Bluetooth.
  • the Bluetooth voice decoding chip 21 receives the first audio through its own Bluetooth, it converts the first audio from digital to analog and transmits it directly to the audio playback device 13 of the corresponding ear for playback.
  • the wired headset 1 further includes a button connected to the voice decoding chip 11;
  • Compound events are triggered, including:
  • the composite command sent by the button is received.
  • the TWS headset 2 when the user wants to use the TWS headset 2 and the wired headset 1 in combination, the TWS headset 2 can be placed in the wired headset 1 first, and then the wired headset 1 will establish a signal communication connection with the TWS headset 2.
  • the user sends a composite command to the voice decoding chip 11 through a button to achieve the triggering of a composite event.
  • This trigger method is relatively simple.
  • the button here may be a button additionally provided on the wired headset 1 to realize this function, or it may be an existing button on the wired headset 1.
  • the function trigger action for example, three times in a row
  • the function trigger action of this embodiment is different from the original function trigger action of the button (for example, press once). While realizing the functions of the present embodiment, the cost of the composite earphone is further reduced, and the space occupation of the wired headset 1 is reduced.
  • the composite event can be triggered in other ways, such as detecting that the wired headset 1 is performing a preset action (for example, shaking), which is not specifically limited in this application.
  • a preset action for example, shaking
  • the Bluetooth voice decoding chip 21 is also used to disconnect itself from the audio playback device and voice acquisition device of the TWS headset 2 where it is located; the voice decoding chip 11 controls itself to disconnect Connection with voice collection device 12 and audio interface 14.
  • the user wants to use the TWS headset 2 and the wired headset 1 in combination, that is, the user wants to play audio through the wired headset 1 and through the wired headset 1
  • the voice collecting device 12 collects voice.
  • the TWS headset 2 can play audio and send voice at this time, considering that the TWS headset 2 installed on the wired headset 1 is usually far away from the user's mouth and ears, it can almost be considered that the TWS headset 2 cannot collect
  • the user’s voice is hardly heard, and the played audio is hardly heard by the user. Although it has little effect on the user’s use of the wired headset 1, it increases the burden of the TWS headset 2 (you have to bear the headset for your own work).
  • the Bluetooth relay task of the wired headset 1) which increases the power consumption of the TWS headset 2.
  • the Bluetooth decoding chip when a composite event is triggered, the Bluetooth decoding chip will disconnect itself from the audio playback device and voice acquisition device of the TWS headset 2 where it is located, and switch to the audio playback device of the corresponding ear 13 and/or the voice collection device 12 establishes an audio transmission communication connection.
  • the voice decoding chip 11 will also control itself to disconnect from the voice collection device 12 and the audio interface 14, that is, its wired mode is invalid at this time. It can be seen that in this way, on the one hand, the impact on the wired headset 1 is avoided, on the other hand, the burden of the TWS headset 2 is reduced, and the power consumption of the TWS headset 2 is reduced.
  • disconnection here can be realized by software or by hardware.
  • disconnecting itself from the audio playback device and voice collection device 12 of the TWS headset 2 where it is located includes:
  • the voice collected by the voice collection device of the TWS headset 2 is not processed.
  • the Bluetooth voice decoding chip 21 uses software to disconnect itself from the audio playback device and voice collection device of the TWS headset 2. It only transmits the first audio to the head when it receives the first audio.
  • the audio playback device 13 connected to the wearable wired headset 1 is not transmitted to the audio playback device of the TWS headset 2 where it is located. In addition, it will not process the voice collected by the voice collection device of the TWS headset 2 where it is located.
  • By means of software there is no need to set additional devices in the TWS headset 2, which further reduces the cost of the composite headset and reduces the space occupied by the TWS headset 2.
  • connection between the Bluetooth voice decoding chip 21 and the audio playback device and voice collection device of the TWS headset 2 can also be disconnected by hardware, for example, between the Bluetooth voice decoding chip 21 and the audio playback device of the TWS headset 2 A first switch is set, and a second switch is set between the Bluetooth voice decoding chip 21 and the voice collection device of the TWS headset 2 where it is located. Subsequently, the connection between the Bluetooth voice decoding chip 21 and the audio playback device and voice collection device of the TWS headset 2 can be disconnected by disconnecting the first switch and the second switch.
  • controlling itself to disconnect from the voice collection device 12 and the audio interface 14 includes:
  • the voice collected by the voice collecting device 12 and the second audio transmitted by the audio interface 14 are not processed.
  • the voice decoding chip 11 also disconnects itself from the voice collection device 12 and the audio interface 14 through software. Specifically, the voice decoding chip 11 does not perform processing when receiving the second audio transmitted by the audio interface 14, and does not perform processing when receiving the voice collected by the voice collecting device 12. By means of software, there is no need to use the head-mounted cable. Other devices are additionally provided in the earphone 1, which further reduces the cost of the composite earphone and reduces the space occupation of the headset wired earphone 1.
  • a third switch can be provided between the speech decoding chip 11 and the audio interface 14, and a fourth switch can be provided between the speech decoding chip 11 and the speech acquisition device 12.
  • the third switch and the fourth switch can be turned off subsequently.
  • This application does not specifically limit the specific disconnection method to be adopted, and it is determined according to the actual situation.
  • the wired headset 1 further includes a detection device 15 connected to the voice decoding chip 11;
  • the voice decoding chip 11 Before controlling the Bluetooth voice decoding chip 21 to establish a communication connection with the audio playback device 13 and the voice collecting device 12 corresponding to the ear, the voice decoding chip 11 is also used to set the TWS headset 2 on the headset wired headset 1 when the detection device 15 detects that the TWS headset 2 is set on the wired headset 1 Establish a signal communication connection with the Bluetooth voice decoding chip 21 at the time.
  • the TWS headset 2 when the TWS headset 2 is set on the wired headset 1, the TWS headset 2 will establish a signal communication connection with the wired headset 1, in order to realize whether the TWS headset 2 is set on the headset 1 or not. It is judged on the wired headset 1.
  • the wired headset 1 is also provided with a detection device 15 connected to the voice decoding chip 11, which detects whether the TWS headset 2 is set on the wired headset 1
  • the voice decoding chip 11 determines that the TWS headset 2 is set on the wired headset 1 through the detection data of the detection device 15, it will establish a signal communication connection with the Bluetooth voice decoding chip 21. In this way, automatic detection of whether the TWS headset 2 is set on the wired headset 1 can be realized without user involvement, and the degree of automation is high.
  • the detection device 15 here can be a Hall sensor arranged on the wired headset 1 (left earphone and right earphone) and a sensor arranged on the TWS earphone 2 (left earphone and right earphone) and matched with the Hall sensor. magnet.
  • the detection device 15 is composed of a Hall sensor and an induction magnet.
  • the Hall sensor When the TWS headset 2 is close to the wired headset 1, the Hall sensor will generate a Hall voltage after sensing the magnetic field generated by the induction magnet.
  • the magnitude of the Hall voltage is related to the distance between the Hall sensor and the induction magnet, that is, the distance between the TWS headset 2 and the wired headset 1 is related to the distance between the TWS headset 2 and the wired headset 1 The closer the distance, the greater the Hall voltage.
  • the Hall sensor and induction magnet are used as the detection device 15, which has a simple structure and high detection accuracy.
  • the detection device 15 here can also be other types of detection devices, such as infrared sensors, etc., which is not particularly limited in this application.
  • the head-mounted wired earphone 1 is provided with an iron magnet
  • the TWS earphone 2 is provided with an iron sheet matched with the iron magnet or a magnetic adsorption member that is magnetically opposite to the iron magnet.
  • the TWS headset 2 is detachably installed on the wired headset 1.
  • a groove is provided on the wired headset 1 to place the TWS headset 2.
  • the groove is for the TWS headset 2. It has a certain fixing effect, but when the wired headset 1 is in motion, the TWS headset 2 will still fall out of the wired headset 1, and the reliability is low.
  • an iron magnet is set on the wired headset 1 and the TWS
  • the earphone 2 is equipped with a small iron piece that matches with the iron absorption stone.
  • the TWS earphone 2 and the headset wired earphone 1 are fixed by the suction force of the iron absorption stone and the iron piece, so that the TWS earphone 2 is stably and reliably placed on the headset Wired headset 1.
  • the TWS earphone 2 may also be provided with a magnetic adsorption member that is magnetically opposite to the magnet, and the TWS earphone 2 and the wired headset 1 are fixed by the attraction force of the iron magnet and the magnetic adsorption member.
  • the wired headset 1 further includes a battery 16 and a power management chip 17 connected to the battery 16;
  • the voice decoding chip 11 is also used to control the battery 16 to charge the TWS headset 2 through the power management chip 17 when the TWS headset 2 is set on the wired headset 1.
  • the battery 16 inside is usually larger, and the capacity of the battery 16 is also larger, and the battery life is stronger; while the battery 16 in the TWS headset 2 has a smaller volume. The capacity is also small, the battery life is weak, and it needs to be charged frequently.
  • the voice decoding chip 11 is set in the head of the TWS earphone 2.
  • the battery 16 is also controlled to charge the TWS headset 2 through the power management chip 17, so as to ensure the normal use of the composite headset and improve the reliability of the composite headset.
  • the power management chip 17 has many functions, for example, it can control the charging current and the charging voltage.
  • the battery 16 here can be a rechargeable battery
  • the wired headset 1 may also include a USB charging interface and a charging conversion module respectively connected to the USB charging interface and the rechargeable battery.
  • the USB charging interface and the charging conversion module can be used. Charge the rechargeable battery.
  • the method before controlling the battery 16 to charge the TWS headset 2 through the power management chip 17, the method further includes:
  • the power of the TWS headset 2 is obtained through the Bluetooth voice decoding chip 21.
  • the control battery 16 is used to charge the TWS headset 2 through the power management chip 17 step.
  • the TWS headset 2 is not charged in this case.
  • the speech decoding chip 11 when the speech decoding chip 11 establishes a signal communication connection with the Bluetooth speech decoding chip 21, the speech decoding chip 11 can obtain the power of the battery 16 of the TWS headset 2, and the speech decoding chip 11 controls the battery 16 through the power management chip 17 for TWS Before the headset 2 is charged, it is determined whether the power of its own battery 16 is greater than the second threshold and whether the power of the TWS headset 2 is less than the first threshold.
  • the battery 16 is controlled to charge the TWS headset 2 through the power management chip 17. It can be seen that in this way, it can be avoided that when the power of the TWS headset 2 is enough but the power of the wired headset 1 is not enough, the wired headset 1 will charge the TWS headset 2 from happening, which slows down the wired headset 2
  • the depletion speed of the battery 16 of the earphone 1 improves the reliability of the composite earphone.
  • the main earphone of the TWS earphone 2 can be compared with the first threshold, and the slave earphone of the TWS earphone 2 can be compared with the first threshold.
  • the first threshold value is compared, so that only the TWS headset 2 below the first threshold value is subsequently charged.
  • the power management chip 17 controls the charging of the TWS headset 2 with a lower power with a larger charging current.
  • the smaller charging current charges the TWS earphone 2 with higher power.

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Abstract

本发明公开了一种复合耳机，包括无线蓝牙耳机和头戴式有线耳机，无线蓝牙耳机可拆卸地设置于头戴式有线耳机上。在将无线蓝牙耳机从头戴式有线耳机上取下时，无线蓝牙耳机和头戴式有线耳机可单独使用，单独使用的无线蓝牙耳机满足了便携的需求，单独使用的头戴式有线耳机满足了高音效及低延时的需求。在将无线蓝牙耳机设置于头戴式有线耳机上时，无线蓝牙耳机和头戴式有线耳机复合使用，头戴式有线耳机变成了无线蓝牙耳机，同时满足了便携及高音效的需求，而且在无线传递音频状态下提高使用舒适度。可见，该复合耳机同时具备便携、高音效及低延时的功能，能够满足用户在各个场景下的使用效果需求，提高了用户体验，还降低了成本。

Description

一种复合耳机
本申请要求于2019年11月28日提交中国专利局、申请号为201911191620.7、发明名称为“一种复合耳机”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及耳机技术领域，特别是涉及一种复合耳机。
背景技术
随着耳机技术的发展及用户要求的提高，耳机被分为多种，例如TWS(True Wireless Stereo，真正无线立体声)耳机、游戏耳机、有线耳机及运动耳机等。用户在不同的场景下基于不同的需求通常选用不同的耳机，例如在室外为方便携带通常选用TWS耳机，游戏时为保证低延时和高舒适度通常选用游戏耳机或者有线耳机，追求高音效时选择带音效处理的耳机等。现有的各类型耳机通常不同时具备上述多功能，无法满足用户在各个场景下的使用效果需求。
发明内容
本发明的目的是提供一种复合耳机，该复合耳机同时具备便携、高音效及低延时的功能，能够满足用户在各个场景下的使用效果需求，提高了用户体验，还降低了成本。
为解决上述技术问题，本发明提供了一种复合耳机，包括：
头戴式有线耳机和无线蓝牙耳机；
所述头戴式有线耳机用于在无线蓝牙耳机设置于所述头戴式有线耳机上且复合事件被触发时与所述无线蓝牙耳机建立音频传输通信连接；所述头戴式有线耳机对所述无线蓝牙耳机通过蓝牙接收到的第一音频进行播放；
可拆卸地设置于所述头戴式有线耳机上的所述无线蓝牙耳机，用于将所述头戴式有线耳机采集的语音通过蓝牙发送出去。
优选地，所述无线蓝牙耳机为TWS耳机。
优选地，所述头戴式有线耳机包括语音解码芯片及均与所述语音解码芯片连接的音频播放装置、语音采集装置及音频接口；所述无线蓝牙耳机包括蓝牙语音解码芯片；
所述语音解码芯片，用于在无线蓝牙耳机设置于所述头戴式有线耳机上且复合事件被触发时控制所述蓝牙语音解码芯片与对应耳的音频播放装置和/或语音采集装置建立音频传输通信连接；在单独使用时对所述音频接口传输的第二音频进行立体音效处理；
所述蓝牙语音解码芯片，用于将与自身连接的语音采集装置采集的语音由模拟量转换为数字量后通过蓝牙发送出去；将通过蓝牙接收到的第一音频由数字量转换为模拟量后通过对应耳的音频播放装置进行播放。
优选地，在复合事件被触发时，所述蓝牙语音解码芯片还用于断开自身与所在无线蓝牙耳机的音频播放装置及语音采集装置的连接；所述语音解码芯片控制自身断开与所述语音采集装置及音频接口的连接。
优选地，断开自身与所在无线蓝牙耳机的音频播放装置及语音采集装置的连接，包括：
将通过所述蓝牙接收到的第一音频由数字量转换为模拟量后不通过所在无线蓝牙耳机的音频播放装置进行播放；
对所在无线蓝牙耳机的语音采集装置采集的语音不做处理。
优选地，所述头戴式有线耳机还包括与所述语音解码芯片连接的按钮；
所述复合事件被触发，包括：
接收到所述按钮发送的复合指令。
优选地，所述头戴式有线耳机还包括与所述语音解码芯片连接的检测装置；
控制所述蓝牙语音解码芯片与对应耳的音频播放装置和语音采集装置建立通信连接之前，所述语音解码芯片还用于在通过所述检测装置检测到所述无线蓝牙耳机设置于所述头戴式有线耳机上时与所述蓝牙语音解码芯片建立信号通信连接。
优选地，所述头戴式有线耳机上设置有吸铁石，所述无线蓝牙耳机上设置有与所述吸铁石相配合的铁片或与所述吸铁石磁性相反的磁性吸附件。
优选地，所述音频接口包括数字音频接口和/或模拟音频接口。
优选地，所述头戴式有线耳机还包括电池及与所述电池连接的电源管理芯片；
所述语音解码芯片还用于在所述无线蓝牙耳机设置于所述头戴式有线耳机上时控制所述电池通过电源管理芯片为所述无线蓝牙耳机充电。
优选地，控制所述电池通过电源管理芯片为所述无线蓝牙耳机充电之前，还包括：
通过所述蓝牙语音解码芯片获取所述无线蓝牙耳机的电量，在判定所述无线蓝牙耳机的电量小于第一阈值且所述电池的电量大于第二阈值时，进入控制所述电池通过电源管理芯片为所述无线蓝牙耳机充电的步骤。
本发明提供了一种复合耳机，包括无线蓝牙耳机和头戴式有线耳机，无线蓝牙耳机可拆卸地设置于头戴式有线耳机上。在将无线蓝牙耳机从头戴式有线耳机上取下时，无线蓝牙耳机和头戴式有线耳机可单独使用，单独使用的无线蓝牙耳机满足了便携的需求，单独使用的头戴式有线耳机满足了高音效及低延时的需求。在将无线蓝牙耳机设置于头戴式有线耳机上时，无线蓝牙耳机和头戴式有线耳机复合使用，头戴式有线耳机变成了无线蓝牙耳机，同时满足了便携及高音效的需求，而且在无线传递音频状态下提高使用舒适度。可见，该复合耳机同时具备便携、高音效及低延时的功能，能够满足用户在各个场景下的使用效果需求，提高了用户体验，还降低了成本。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一部分附图，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据提供的附图获得其他的附图。
图1为本发明提供的一种复合耳机的结构示意图；
图2为本发明提供的一种具体地复合耳机的结构示意图；
图3为本发明提供的另一种具体地复合耳机的结构示意图。
具体实施方式
本发明的核心是提供一种复合耳机，该复合耳机同时具备便携、高音效及低延时的功能，能够满足用户在各个场景下的使用效果需求，提高了用户体验，还降低了成本。
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
考虑到现有技术中为了满足用户在各个场景下的使用效果需求通常单独配备多个耳机，从而存在携带不方便、音效一般及成本高的问题，本申请中，通过将头戴式有线耳机和无线蓝牙耳机相结合来解决上述问题，无线蓝牙耳机既可以选择单只的无线蓝牙耳机，也可以选择目前最热门的TWS耳机，以下无线蓝牙耳机采用TWS耳机为例展开描述。
具体地，请参照图1，图1为本发明提供的一种复合耳机的结构示意图，图中以TWS耳机的左耳机为主耳机、右耳机为从耳机为例。
该复合耳机包括：
头戴式有线耳机1，用于在TWS耳机2设置于头戴式有线耳机1上且复合事件被触发时与TWS耳机2建立音频传输通信连接；对TWS耳机2通过蓝牙接收到的第一音频进行播放；
可拆卸地设置于头戴式有线耳机1上的TWS耳机2，用于将头戴式有线耳机1采集的语音通过蓝牙发送出去。
本实施例提供了一种复合耳机，该复合耳机包括头戴式有线耳机1和TWS耳机2，TWS耳机2可拆卸地设置于头戴式有线耳机1(除了不设置于音腔内，本申请对其具***置不作特别的限定)上，具体地，TWS耳机2的左耳机可拆卸地设置于头戴式有线耳机1的左耳机上，TWS耳机2的右耳机可拆卸地设置于头戴式有线耳机1的右耳机上。在实际应用中，用户可以根据具体使用场景来选择是否将TWS耳机2设置于头戴式有线耳机1上。下面对TWS耳机2及头戴式有线耳机1的组合情况作介绍：
1)TWS耳机2从头戴式有线耳机1上取下来时
此时的TWS耳机2可作为TWS耳机单独使用，TWS耳机2在通过自身的蓝牙接收到音频时，将音频由数字量转换为模拟量并进行播放；在接收到自身采集的语音时，将语音由模拟量转换为数字量并通过自身的蓝牙发送出去。
此时的头戴式有线耳机1可作为有线耳机单独使用，头戴式有线耳机1可以通过耳机线接收音频，且在音频为模拟量时直接进行播放，在音频为数字量时将音频由数字量转换为模拟量后进行播放，在采集到语音时可将语音由模拟量转换为数字量后通过数字音频接口进行发送，或者，将模拟量的语音直接通过模拟音频接口进行发送。
可见，该种方式下，TWS耳机2和头戴式有线耳机1相互独立，互不影响，TWS耳机2为基于蓝牙的无线耳机，满足了用户便携的使用需求。头戴式有线耳机1的音腔及声音播放装置(例如喇叭)通常较大，因此，满足了用户对于高音效的使用需求，且头戴式有线耳机1基于耳机线进行音频及语音传输，还满足了用户对于低延时的使用需求。
2)TWS耳机2设置于头戴式有线耳机1上且复合事件被触发时
首先需要说明的是，触发复合事件指的是用户要将TWS耳机2和头戴式有线耳机1相结合使用时对头戴式有线耳机1进行触发的操作。在TWS耳机2和头戴式有线耳机1相结合时，TWS耳机2相当于是一个蓝牙通信模块，是头戴式有线耳机1与外界通信的中转节点。
可以理解的是，在TWS耳机2设置于头戴式有线耳机1上且复合事件被触发时，头戴式有线耳机1与TWS耳机2会建立音频传输通信连接，进而实现头戴式有线耳机1与TWS耳机2之间传输音频和语音，其中，这里的音频传输通信连接指的是TWS耳机2与头戴式有线耳机1中的音频播放装置13及语音采集装置12的连接。TWS耳机2在通过自身的蓝牙接收到第一音频时，将第一音频发送至头戴式有线耳机1，头戴式有线耳机1在接收到第一音频后对第一音频进行播放；头戴式有线耳机1在采集到语音时，将语音发送至TWS耳机2，TWS耳机2将语音通过蓝牙发送出去。又考虑到在实际应用中，耳机在发送语音时通常仅通过一个耳机发送，因此，在通过TWS耳机2发送语音时，可以仅选择TWS耳机2中的主耳机来发送。
可见，在TWS耳机2设置于头戴式有线耳机1上且复合事件被触发时，头戴式有线耳机1相当于无线蓝牙耳机，又头戴式有线耳机1的音腔及声音播放装置通常较大，因此，头戴式有线耳机1同时满足了用户对于低延时和高音效的使用需求。
3)TWS耳机2设置于头戴式有线耳机1上但复合事件未被触发时
该种情况下，TWS耳机2与头戴式有线耳机1之间没有建立音频传输通信连接，头戴式有线耳机1可以作为有线耳机单独使用，头戴式有线耳机1可以通过耳机线接收音频，且在音频为模拟量时将音频由模拟量转换为数字量并进行播放，和/或，在音频为数字量时直接对音频进行播放，在采集到语音时将语音由模拟量转换为数字量后通过耳机线进行发送，满足了用户对于低延时和高音效的使用需求。
在实际应用中，TWS耳机2与头戴式有线耳机1之间虽然没有建立音频传输通信连接，但是可建立充电连接，也即有线耳机可以为TWS耳机2充电，可见，在满足低延时和高音效的使用需求的基础上，还可以为TWS耳机2进行充电。
综上，本发明提供的复合耳机，在将TWS耳机2从头戴式有线耳机1上取下时，TWS耳机2和头戴式有线耳机1可单独使用，单独使用的TWS耳机2满足了便携的需求，单独使用的头戴式有线耳机1满足了高音效及低延时的需求。在将TWS耳机2设置于头戴式有线耳机1上时，TWS耳机2和头戴式有线耳机1复合使用，头戴式有线耳机1变成了无线蓝牙耳机，同时满足了便携及高音效的需求，而且在无线传递音频状态下提高使用舒适度。可见，该复合耳机同时具备便携、高音效及低延时的功能，能够满足用户在各个场景下的使用效果需求，提高了用户体验，还降低了成本。
请参照图2，图2为本发明提供的一种具体地复合耳机的结构示意图。
在上述实施例的基础上：
作为一种优选地实施例，头戴式有线耳机1包括语音解码芯片11及均与语音解码芯片11连接的音频播放装置13、语音采集装置12及音频接口14；TWS耳机2包括蓝牙语音解码芯片21；
语音解码芯片11，用于在TWS耳机2设置于头戴式有线耳机1上且复合事件被触发时控制蓝牙语音解码芯片21与对应耳的音频播放装置13和/或语音采集装置12建立音频传输通信连接；在单独使用时对音频接口14传输的第二音频进行立体音效处理；
蓝牙语音解码芯片21，用于将与自身连接的语音采集装置12采集的语音由模拟量转换为数字量后通过蓝牙发送出去；将通过蓝牙接收到的第一音频由数字量转换为模拟量后通过对应耳的音频播放装置13进行播放。
可以理解的是，头戴式有线耳机1中通常仅包括一个语音解码芯片11(对应于图2中的USB codec)和一个语音采集装置12(对应于图2中的MIC1)，左耳机(对应于图2中的H-L)和右耳机(对应于图2中的H-R)中均包括音频播放装置13，TWS耳机2的左耳机(对应于图2中的T-L)和右耳机(对应于图2中的T-R)中均包括蓝牙语音解码芯片21(对应于图2中的BT+Codec)。
在TWS耳机2设置于头戴式有线耳机1上时，语音解码芯片11会分别和TWS耳机2的左右耳机中的蓝牙语音解码芯片21建立信号通信连接(对应于图2中的UART-1接口和UART-2接口，在实际应用中，可以通过信号通信连接进行后续的音频通信连接(对应于图2中的MIC-1接口、SPK-1接口和MIC-2接口、SPK-2接口)控制，也可以通过信号连接控制头戴式有线耳机1为TWS耳机2充电，下述实施例中会详细介绍)，在复合事件被触发时，语音解码芯片11通过与TWS耳机2的左右耳机中的蓝牙语音解码芯片21的信号通信以实现控制TWS耳机2的左右耳机中的蓝牙语音解码芯片21与对应耳的音频播放装置13和/或语音采集装置12建立音频传输通信连接。以语音采集装置12设置于头戴式有线耳机1的左耳机为例，则TWS耳机2的左耳机中的蓝牙语音解码芯片21与头戴式有线耳机1的左耳机的音频播放装置13和语音采集装置12建立音频传输通信连接，TWS耳机2的右耳机中的蓝牙语音解码芯片21与头戴式有线耳机1的右耳机的音频播放装置13建立音频传输通信连接。需要说明的是，本申请中，对应耳指的是TWS耳机2的左耳机对应头戴式有线耳机1的左耳机，TWS耳机2的右耳机对应头戴式有线耳机1的右耳机。
在建立音频通信连接后，语音采集装置12在采集到语音时会直接将模拟量的语音传输至与自身连接的蓝牙语音解码芯片21，该蓝牙语音解码芯片21在接收到语音时会将语音由模拟量转换为数字量并通过自身的蓝牙发送出去。蓝牙语音解码芯片21在通过自身的蓝牙接收到第一音频时，蓝牙语音解码芯片21将第一音频由数字量转换为模拟量后直接传输至对应耳的音频播放装置13进行播放。
在TWS耳机2没有设置于头戴式有线耳机1上时，TWS耳机2单独使用。具体地，蓝牙语音解码芯片21在通过自身的蓝牙接收到音频时，将音频由数字量转换为模拟量后通过自身的音频播放装置13进行播放；在接收到自身的语音采集装置12采集的语音时，将语音由模拟量转换为数字量并通过自身的蓝牙发送出去。
在TWS耳机2没有设置于头戴式有线耳机1上时，或者，TWS耳机2设置于头戴式有线耳机1上但复合事件未被触发时，头戴式有线耳机1单独使用。具体地，头戴式有线耳机1可以通过耳机线及音频接口14接收第二音频，则将第二音频由模拟量转换为数字量(在音频接口14为模拟音频接口时进行该步骤，如果音频接口14为数字音频接口则不需要进行该步骤)，然后对数字量的第二音频进行立体音效处理，然后再将经过立体音效处理后的第二音频由数字量转换为模拟量并通过自身的左右耳的音频播放装置13进行播放。在通过自身的语音采集装置12采集到语音时将语音先由模拟量转换为数字量(在音频接口14为数字音频接口时进行该步骤，如果音频接口14为模拟音频接口则不需要进行该步骤)，并通过音频接口14及耳机线进行发送。
此外，这里的立体音效处理可以调节EQ(Equalizer，均衡器)、环绕立体音、3D音效等，本申请在此不作特别的限定。本实施例中，音频播放装置13可以但不仅限为喇叭，语音采集装置12可以但不仅限为MIC(麦克风)。作为一种优选地实施例，音频接口14包括数字音频接口和/或模拟音频接口。其中，这里的数字音频接口可以但不仅限为USB音频接口14，模拟音频接口可以但不仅限为3.5mm音频接口14。
可见，本实施例提供的复合耳机同时具备便携、高音效及低延时的功能，能够满足用户在各个场景下的使用效果需求，提高了用户体验，还降低了成 本。此外，有线耳机单独使用时可对音频接口14传输的第二音频进行立体音效处理，进一步满足了高音效的需求。
作为一种优选地实施例，该复合耳机包括头戴式有线耳机1和可拆卸地设置于头戴式有线耳机1上的TWS耳机2；头戴式有线耳机1包括电平触点19、模拟音频接口18及均与模拟音频接口18连接的音频播放装置13和语音采集装置12，TWS耳机2包括蓝牙语音解码芯片21及与电平触点19相配合的检测触点，检测触点在与电平触点19接触时电平发生改变；
蓝牙语音解码芯片21，用于在检测到自身的检测触点发生电平变化时与对应耳的音频播放装置13和/或语音采集装置12建立音频传输通信连接；将与自身连接的语音采集装置12采集的语音由模拟量转换为数字量后通过蓝牙发送出去；将通过蓝牙接收到的音频由数字量转换为模拟量后通过与自身连接的音频播放装置13进行播放。
请参照图3，图3为本发明提供的另一种具体地复合耳机的结构示意图。
本实施例还提供了另外一种复合耳机，与上述实施例相比，本申请中的电平触点19通过与检测触点的接触来触发蓝牙语音解码芯片21与对应耳的音频播放装置13和/或语音采集装置12建立音频传输通信连接。其中，电平触点19也即输出既定电平(高电平或者低电平)的触点，则在电平触点19为高电平触点19时，则可将该触点与头戴式有线耳机1中的电源(可以通过头戴式有线耳机1中的电池16转换后得到)连接。在电平触点19为低电平触点19时，则可将该触点接地。在电平触点19与TWS耳机2中的检测触点接触时，检测触点的电平会发生改变，变为与电平触点19输出的电平相同的电平。例如检测触点的电平原本为低电平(具体地，检测触点可通过下拉电阻接地)，则在电平触点19(输出高电平)与检测触点接触时，检测触点的电平变为高电平。又例如检测触点的电平原本为高电平(具体地，检测触点可通过上拉电阻接电源)，则在电平触点19(输出低电平)与检测触点接触时，检测触点的电平变为低电平。此外，头戴式有线耳机1中不包括语音解码芯片11，结构简单，降低了复合耳机的成本。
下面对TWS耳机2及头戴式有线耳机1的组合情况作介绍：
1)TWS耳机2从头戴式有线耳机1上取下来时
此时的TWS耳机2可作为TWS耳机单独使用，具体地，蓝牙语音解码芯片21在通过自身的蓝牙接收到音频时，将音频由数字量转换为模拟量后通过自身的音频播放装置进行播放；在接收到自身的语音采集装置采集的语音时，将语音由模拟量转换为数字量并通过自身的蓝牙发送出去。
此时的头戴式有线耳机1可作为有线耳机单独使用，具体地，音频播放装置13可以通过耳机线及模拟音频接口18接收模拟音频并进行播放。语音采集装置12采集到语音时直接通过音频接口14及耳机线进行发送。
可见，该种方式下，TWS耳机2和头戴式有线耳机1相互独立，互不影响，TWS耳机2为基于蓝牙的无线耳机，满足了用户便携的使用需求。头戴式有线耳机1的音腔及声音播放装置(例如喇叭)通常较大，因此，满足了用户对于高音效的使用需求，且头戴式有线耳机1基于耳机线进行音频及语音传输，还满足了用户对于低延时的使用需求。
2)TWS耳机2设置于头戴式有线耳机1上时
蓝牙语音解码芯片21的检测触点会与电平触点19接触并发生电平变化，蓝牙语音解码芯片21在检测到自身的检测触点发生电平变化时会与对应耳的音频播放装置13和/或语音采集装置12建立音频传输通信连接。以语音采集装置12设置于头戴式有线耳机1的左耳机为例，则TWS耳机2的左耳机中的蓝牙语音解码芯片21与头戴式有线耳机1的左耳机的音频播放装置13和语音采集装置12建立音频传输通信连接，TWS耳机2的右耳机中的蓝牙语音解码芯片21与头戴式有线耳机1的右耳机的音频播放装置13建立音频传输通信连接。需要说明的是，本申请中，对应耳指的是TWS耳机2的左耳机对应头戴式有线耳机1的左耳机，TWS耳机2的右耳机对应头戴式有线耳机1的右耳机。
在建立音频通信连接后，语音采集装置12在采集到语音时会直接将模拟量的语音传输至与自身连接的蓝牙语音解码芯片21，该蓝牙语音解码芯片21在接收到语音时会将语音由模拟量转换为数字量并通过自身的蓝牙发送出去。蓝牙语音解码芯片21在通过自身的蓝牙接收到第一音频时，将第一音频由数字量转换为模拟量后直接传输至对应耳的音频播放装置13进行播放。
作为一种优选地实施例，头戴式有线耳机1还包括与语音解码芯片11连接的按钮；
复合事件被触发，包括：
接收到按钮发送的复合指令。
具体地，在实际应用中，用户在要将TWS耳机2和头戴式有线耳机1相结合使用时，可以先将TWS耳机2放置于头戴式有线耳机1中，此时头戴式有线耳机1会和TWS耳机2建立信号通信连接，用户通过按钮向语音解码芯片11发送复合指令，实现了复合事件的触发，该种触发方式较为简单。
此外，这里的按钮可以为实现该功能额外在头戴式有线耳机1上设置的按钮，也可以为头戴式有线耳机1上已有的按钮。在该按钮为头戴式有线耳机1上已有的按钮时，本实施例的功能触发动作(例如连按三下)区别于该按钮的原功能触发动作(例如按一下)，该种设置方式在实现本实施例功能的同时，进一步降低了复合耳机的成本，减少了对头戴式有线耳机1的空间的占用。
当然，触发复合事件还可以为其他方式，例如检测到该头戴式有线耳机1在执行预设动作(例如摇一摇)，本申请在此不作特别的限定。
作为一种优选地实施例，在复合事件被触发时，蓝牙语音解码芯片21还用于断开自身与所在TWS耳机2的音频播放装置及语音采集装置的连接；语音解码芯片11控制自身断开与语音采集装置12及音频接口14的连接。
考虑到在复合事件被触发时，说明用户要将TWS耳机2和头戴式有线耳机1相结合使用，也即用户希望通过头戴式有线耳机1播放音频，且通过头戴式有线耳机1的语音采集装置12采集语音。虽然此时即便TWS耳机2可以播放音频及发送语音，但考虑到设置于头戴式有线耳机1上的TWS耳机2通常距离用户的嘴巴和耳朵较远，因此，几乎可认为TWS耳机2无法采集到用户的语音，且播放的音频用户也几乎听不到，虽然对用户使用头戴式有线耳机1产生的影响不大，但其增加了TWS耳机2的负担(自身工作还得承担头戴式有线耳机1的蓝牙中转任务)，增加了TWS耳机2的功耗。
考虑到上述技术问题，本实施例中，在复合事件被触发时，蓝牙解码芯片会断开自身与所在TWS耳机2的音频播放装置及语音采集装置的连接，切换为与对应耳的音频播放装置13和/或语音采集装置12建立音频传输通信连接。语音解码芯片11也会控制自身断开与语音采集装置12及音频接口14的连接，也即此时其有线模式失效。可见，通过该种方式，一方面，避免了对 头戴式有线耳机1产生影响，另一方面，减轻了TWS耳机2的负担，减少了TWS耳机2的功耗。
此外，这里的断开连接可以通过软件上来实现，也可以通过硬件来实现。
作为一种优选地实施例，断开自身与所在TWS耳机2的音频播放装置及语音采集装置12的连接，包括：
将通过蓝牙接收到的第一音频由数字量转换为模拟量后不通过所在TWS耳机2的音频播放装置进行播放；
对所在TWS耳机2的语音采集装置采集的语音不做处理。
本实施例中，蓝牙语音解码芯片21通过软件的方式来断开自身与所在TWS耳机2的音频播放装置及语音采集装置的连接，其在接收到第一音频时仅将第一音频传送至头戴式有线耳机1中的与自身连接的音频播放装置13，而不会传送至自身所在TWS耳机2的音频播放装置。此外，其对于所在TWS耳机2的语音采集装置采集到的语音也不会做处理。通过软件的方式，无需在TWS耳机2中额外设置其他器件，进一步降低了复合耳机的成本，减少了对TWS耳机2的空间的占用。
当然，还可以通过硬件的方式来断开蓝牙语音解码芯片21与所在TWS耳机2的音频播放装置及语音采集装置的连接，例如在蓝牙语音解码芯片21与所在TWS耳机2的音频播放装置之间设置第一开关，在蓝牙语音解码芯片21与所在TWS耳机2的语音采集装置之间设置第二开关。后续便可通过断开第一开关和第二开关来实现断开蓝牙语音解码芯片21与所在TWS耳机2的音频播放装置及语音采集装置的连接。
作为一种优选地实施例，控制自身断开与所述语音采集装置12及音频接口14的连接，包括：
对语音采集装置12采集的语音及音频接口14传输的第二音频不做处理。
语音解码芯片11也通过软件的方式来断开自身与语音采集装置12及音频接口14的连接。具体地，语音解码芯片11在接收到音频接口14传输的第二音频时不进行处理，在接收到语音采集装置12采集的语音时也不做处理，通过软件的方式，无需在头戴式有线耳机1中额外设置其他器件，进一步降低了复合耳机的成本，减少了对头戴式有线耳机1的空间的占用。
此外，还可以在语音解码芯片11与音频接口14之间设置第三开关，在语音解码芯片11与语音采集装置12之间设置第四开关，后续便可通过断开第三开关和第四开关来实现语音解码芯片11与语音采集装置12及音频接口14的断开连接。
本申请对于具体采用哪种断开方式不作特别的限定，根据实际情况来定。
作为一种优选地实施例，头戴式有线耳机1还包括与语音解码芯片11连接的检测装置15；
控制蓝牙语音解码芯片21与对应耳的音频播放装置13和语音采集装置12建立通信连接之前，语音解码芯片11还用于在通过检测装置15检测到TWS耳机2设置于头戴式有线耳机1上时与蓝牙语音解码芯片21建立信号通信连接。
具体地，上述提到，在TWS耳机2设置于头戴式有线耳机1上时，TWS耳机2会与头戴式有线耳机1建立信号通信连接，为实现对TWS耳机2是否设置于头戴式有线耳机1上进行判断，本实施例中，头戴式有线耳机1还设置了与语音解码芯片11连接的检测装置15，其会对TWS耳机2是否设置于头戴式有线耳机1上进行检测，语音解码芯片11通过检测装置15的检测数据判定TWS耳机2设置于头戴式有线耳机1上时，其会与蓝牙语音解码芯片21建立信号通信连接。通过该种方式，可实现对TWS耳机2是否设置于头戴式有线耳机1上的自动检测，无需用户参与，自动化程度高。
这里的检测装置15可以为设置于头戴式有线耳机1(左耳机和右耳机)上的霍尔传感器及设置于TWS耳机2(左耳机和右耳机)上、与霍尔传感器相配合的感应磁铁。
具体地，本实施例中，检测装置15由霍尔传感器和感应磁铁构成，在TWS耳机2接近头戴式有线耳机1时，霍尔传感器在感应到感应磁铁产生的磁场后会产生霍尔电压，霍尔电压的大小与霍尔传感器及感应磁铁之间的距离有关，也即与TWS耳机2与头戴式有线耳机1之间的距离有关TWS耳机2与头戴式有线耳机1之间的距离越近，霍尔电压越大。采用霍尔传感器和感应磁铁来作为检测装置15，结构简单，检测精度高。
当然，这里的检测装置15还可以为其他类型的检测装置，例如红外传感器等，本申请在此不作特别的限定。
作为一种优选地实施例，头戴式有线耳机1上设置有吸铁石，TWS耳机2上设置有与吸铁石相配合的铁片或与所述吸铁石磁性相反的磁性吸附件。
具体地，TWS耳机2可拆卸地设置于头戴式有线耳机1上，通常情况下，头戴式有线耳机1上会设置凹槽，以放置TWS耳机2，虽然凹槽对TWS耳机2会有一定的固定作用，但在头戴式有线耳机1动作时，仍会造成TWS耳机2从头戴式有线耳机1中掉出来，可靠性较低。
本实施例中，考虑到磁铁具有吸合的作用，又头戴式有线耳机1的空间较大，TWS耳机2的空间较小，因此，在头戴式有线耳机1上设置了吸铁石，在TWS耳机2上设置了与吸铁石相配合、体积较小的铁片，通过吸铁石和铁片的吸合力来固定TWS耳机2和头戴式有线耳机1，使得TWS耳机2稳定可靠地放置于头戴式有线耳机1中。在其他实施例中，TWS耳机2也可以设置与所述吸铁石磁性相反的磁性吸附件，通过吸铁石和磁性吸附件的吸合力来固定TWS耳机2和头戴式有线耳机1。
当然，这里还可以采用其他方式来提高TWS耳机2和头戴式有线耳机1之间的固定效果，例如在头戴式有线耳机1设置用于固定TWS耳机2的卡扣等，本申请在此不作特别的限定。
作为一种优选地实施例，头戴式有线耳机1还包括电池16及与电池16连接的电源管理芯片17；
语音解码芯片11还用于在TWS耳机2设置于头戴式有线耳机1上时控制电池16通过电源管理芯片17为TWS耳机2充电。
考虑到头戴式有线耳机1的空间较大，其内的电池16体积也通常较大，电池16的容量也较大，续航能力较强；而TWS耳机2内的电池16的体积较小，容量也较小，续航能力较弱，需要经常充电，为了尽量减少由于TWS耳机2的电量不足而导致的复合耳机无法使用的问题，本实施例中，语音解码芯片11在TWS耳机2设置于头戴式有线耳机1上时还会控制电池16通过电源管理芯片17为TWS耳机2充电，从而保证了复合耳机的正常使用，提高了复合耳机的可靠性。此外，电源管理芯片17的功能较多，例如能够实现对充电电流、充电电压的控制等。这里的电池16可以为可充电电池，则头戴式有线耳机1上还可包括USB充电接口和分别与USB充电接口及可充电电 池连接的充电转换模块，通过USB充电接口和充电转换模块便可对可充电电池进行充电。
作为一种优选地实施例，控制电池16通过电源管理芯片17为TWS耳机2充电之前，还包括：
通过蓝牙语音解码芯片21获取TWS耳机2的电量，在判定TWS耳机2的电量小于第一阈值且电池16的电量大于第二阈值时，进入控制电池16通过电源管理芯片17为TWS耳机2充电的步骤。
考虑到在一些情况下，头戴式有线耳机1上的电池16的电量不高，而TWS耳机2的电池16的电量是够用的，则该种情况下便不对TWS耳机2进行充电。具体地，语音解码芯片11在和蓝牙语音解码芯片21建立信号通信连接时，语音解码芯片11可以获取TWS耳机2的电池16的电量，语音解码芯片11在控制电池16通过电源管理芯片17为TWS耳机2充电之前，判断自身的电池16的电量是否大于第二阈值，及判断TWS耳机2的电量是否小于第一阈值，只有在TWS耳机2的电量小于第一阈值且电池16的电量大于第二阈值时，才控制电池16通过电源管理芯片17为TWS耳机2充电。可见，通过该种方式，可以避免在TWS耳机2的电量足够但是头戴式有线耳机1的电量不够时，头戴式有线耳机1为TWS耳机2充电的情况的发生，减缓了头戴式有线耳机1的电池16的耗尽速度，提高复合耳机的可靠性。
此外，考虑到TWS耳机2的主耳机和从耳机的耗电量可能不同，因此，在进行比较时，可以分别将TWS耳机2的主耳机与第一阈值比较，将TWS耳机2的从耳机与第一阈值比较，以便后续只对低于第一阈值的TWS耳机2进行充电。当然，即便是只有一个TWS耳机2的电量低于第一阈值，则也可以对主从耳机同时进行充电，通过电源管理芯片17控制以较大充电电流为电量较低的TWS耳机2充电，以较小充电电流为电量较高的TWS耳机2充电。本申请对于具体采用哪种充电方式不作特别的限定，根据实际情况来定。
需要说明的是，在本说明书中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一 系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其他实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (11)

  1. 一种复合耳机，其特征在于，包括：
    头戴式有线耳机和无线蓝牙耳机；
    所述头戴式有线耳机用于在无线蓝牙耳机设置于所述头戴式有线耳机上且复合事件被触发时与所述无线蓝牙耳机建立音频传输通信连接；所述头戴式有线耳机对所述无线蓝牙耳机通过蓝牙接收到的第一音频进行播放；
    可拆卸地设置于所述头戴式有线耳机上的所述无线蓝牙耳机，用于将所述头戴式有线耳机采集的语音通过蓝牙发送出去。
  2. 如权利要求1所述的复合耳机，其特征在于，所述无线蓝牙耳机为TWS耳机。
  3. 如权利要求1所述的复合耳机，其特征在于，所述头戴式有线耳机包括语音解码芯片及均与所述语音解码芯片连接的音频播放装置、语音采集装置及音频接口；所述无线蓝牙耳机包括蓝牙语音解码芯片；
    所述语音解码芯片，用于在无线蓝牙耳机设置于所述头戴式有线耳机上且复合事件被触发时控制所述蓝牙语音解码芯片与对应耳的音频播放装置和/或语音采集装置建立音频传输通信连接；在单独使用时对所述音频接口传输的第二音频进行立体音效处理；
    所述蓝牙语音解码芯片，用于将与自身连接的语音采集装置采集的语音由模拟量转换为数字量后通过蓝牙发送出去；将通过蓝牙接收到的第一音频由数字量转换为模拟量后通过对应耳的音频播放装置进行播放。
  4. 如权利要求3所述的复合耳机，其特征在于，在复合事件被触发时，所述蓝牙语音解码芯片还用于断开自身与所在无线蓝牙耳机的音频播放装置及语音采集装置的连接；所述语音解码芯片控制自身断开与所述语音采集装置及音频接口的连接。
  5. 如权利要求4所述的复合耳机，其特征在于，断开自身与所在无线蓝牙耳机的音频播放装置及语音采集装置的连接，包括：
    将通过所述蓝牙接收到的第一音频由数字量转换为模拟量后不通过所在无线蓝牙耳机的音频播放装置进行播放；
    对所在无线蓝牙耳机的语音采集装置采集的语音不做处理。
  6. 如权利要求3所述的复合耳机，其特征在于，所述头戴式有线耳机还包括与所述语音解码芯片连接的按钮；
    所述复合事件被触发，包括：
    接收到所述按钮发送的复合指令。
  7. 如权利要求3所述的复合耳机，其特征在于，所述头戴式有线耳机还包括与所述语音解码芯片连接的检测装置；
    控制所述蓝牙语音解码芯片与对应耳的音频播放装置和语音采集装置建立通信连接之前，所述语音解码芯片还用于在通过所述检测装置检测到所述无线蓝牙耳机设置于所述头戴式有线耳机上时与所述蓝牙语音解码芯片建立信号通信连接。
  8. 如权利要求3所述的复合耳机，其特征在于，所述头戴式有线耳机上设置有吸铁石，所述无线蓝牙耳机上设置有与所述吸铁石相配合的铁片或与所述吸铁石磁性相反的磁性吸附件。
  9. 如权利要求3所述的复合耳机，其特征在于，所述音频接口包括数字音频接口和/或模拟音频接口。
  10. 如权利要求3至9任一项所述的复合耳机，其特征在于，所述头戴式有线耳机还包括电池及与所述电池连接的电源管理芯片；
    所述语音解码芯片还用于在所述无线蓝牙耳机设置于所述头戴式有线耳机上时控制所述电池通过电源管理芯片为所述无线蓝牙耳机充电。
  11. 如权利要求10所述的复合耳机，其特征在于，控制所述电池通过电源管理芯片为所述无线蓝牙耳机充电之前，还包括：
    通过所述蓝牙语音解码芯片获取所述无线蓝牙耳机的电量，在判定所述无线蓝牙耳机的电量小于第一阈值且所述电池的电量大于第二阈值时，进入控制所述电池通过电源管理芯片为所述无线蓝牙耳机充电的步骤。
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