WO2024046031A1 - Appareil intelligent monté sur la tête et système portable - Google Patents

Appareil intelligent monté sur la tête et système portable Download PDF

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Publication number
WO2024046031A1
WO2024046031A1 PCT/CN2023/111278 CN2023111278W WO2024046031A1 WO 2024046031 A1 WO2024046031 A1 WO 2024046031A1 CN 2023111278 W CN2023111278 W CN 2023111278W WO 2024046031 A1 WO2024046031 A1 WO 2024046031A1
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WO
WIPO (PCT)
Prior art keywords
sound
cavity
generating device
temple
hole
Prior art date
Application number
PCT/CN2023/111278
Other languages
English (en)
Chinese (zh)
Inventor
章统
王勇
程微
吴泽
韩高杰
Original Assignee
湖北星纪魅族科技有限公司
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 CN202211074008.3A external-priority patent/CN115426571A/zh
Priority claimed from CN202211073552.6A external-priority patent/CN115426570A/zh
Application filed by 湖北星纪魅族科技有限公司 filed Critical 湖北星纪魅族科技有限公司
Publication of WO2024046031A1 publication Critical patent/WO2024046031A1/fr

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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

Definitions

  • the present disclosure belongs to the technical field of smart wear, and relates to a head-mounted device, and in particular to a smart head-mounted device and a wearable system.
  • Smart wearable devices are a general term for applying wearable technology to intelligently design daily wear and develop wearable devices, such as watches and bracelets. , glasses, clothing, etc.
  • wearable devices have also brought great convenience to people's lives in some aspects, and various types of head-mounted devices have emerged.
  • an embodiment of the present disclosure provides a smart head-mounted device, wherein the smart head-mounted device includes a spectacle frame, a first temple leg and a second temple leg, and two ends of the spectacle frame are respectively Connected to the first temple leg and the second temple leg, the first cavity in the first temple leg is provided with a first sound-generating device, and the second cavity in the second temple leg is provided with a second sound-generating device,
  • the first temple leg includes a first sound hole
  • the second temple leg includes a second sound hole
  • the first sound hole is connected with the first cavity
  • the second sound hole is connected with the first cavity.
  • the second cavity is connected, and the first sound outlet and the second sound outlet emit sound signals with opposite phases.
  • the first sound-generating device divides the first cavity into a first sound cavity and a second sound cavity
  • the second sound-generating device divides the second cavity into a third sound cavity.
  • Three sound chambers and a fourth sound chamber the first sound hole is connected to one of the first sound chamber and the second sound chamber
  • the second sound hole is connected to the third sound chamber It is connected to one of the fourth sound cavities.
  • the electrical signals received by the first sound-generating device and the second sound-generating device have opposite phase directions, and the first sound outlet is connected to the first sound cavity, and the third sound-generating device Two out The sound hole is connected with the third sound cavity;
  • the electrical signals received by the first sound-generating device and the second sound-generating device have opposite phase directions, the first sound outlet is connected to the second sound cavity, and the second sound outlet is connected to the fourth sound cavity. Sound cavities are connected.
  • the phase directions of the electrical signals received by the first sound-generating device and the second sound-generating device are the same, and the first sound outlet is connected with the first sound cavity, and the The second sound hole is connected with the fourth sound cavity;
  • the phase directions of the electrical signals received by the first sound-generating device and the second sound-generating device are the same, and the first sound outlet is connected with the second sound cavity, and the second sound outlet is connected with the third sound cavity.
  • the three tone cavities are connected.
  • the electrical signals received by the first sound-generating device and the second sound-generating device have opposite phase directions.
  • the first sound-generating device and the second sound-generating device are electrically connected oppositely to electrodes of the audio signal processor of the smart head-mounted device respectively, so that the first sound-generating device and the second sound-generating device The phase direction of the electrical signal received by the second sound-generating device is opposite.
  • the first temple leg has a first auricle contact portion for the smart headset to contact the wearer's first auricle
  • the second temple leg has a first auricle contact portion.
  • Two auricle contact parts are used for the smart headset to contact the wearer's second auricle, and the first sound outlet is located at the lower part of the first temple leg and relative to the first The auricle contact part is closer to the spectacle frame; the second sound hole is located at the lower part of the second temple leg and is closer to the spectacle frame than the second auricle contact part.
  • the first sound hole and the second sound hole are arranged symmetrically.
  • the performance specifications of the first sound-generating device and the second sound-generating device are the same, and the amplitude and frequency of the electrical signals received by the first sound-generating device and the second sound-generating device are are the same, and the first sound outlet and the second sound outlet have the same geometric specifications.
  • the installation direction of the first sound-generating device in the first cavity and the installation direction of the second sound-generating device in the second cavity are the same.
  • an embodiment of the present disclosure provides a wearable system, wherein the wearable system includes any of the above-mentioned smart head-mounted devices.
  • Figure 1 shows a schematic structural diagram of the smart head-mounted device of the present disclosure in one embodiment
  • Figure 2 shows a functional block diagram of the sound generation of the smart head-mounted device of the present disclosure in one embodiment
  • Figure 3 shows a functional block diagram of the sound generation of the smart head-mounted device in another embodiment of the present disclosure
  • Figure 4 shows a frequency response comparison diagram of the smart head-mounted device of the present disclosure at a specified position in an embodiment
  • FIG. 5 shows a frequency response comparison diagram of the in-ear sound pressure of the smart head-mounted device of the present disclosure in one embodiment.
  • Smart head-mounted devices integrate display screens (such as lenses), speakers, microphones, Bluetooth, batteries, SOC (System on Chip, system-on-chip), etc., to complete multiple functions such as multimedia, calls, map navigation, and interaction with friends. .
  • the speaker on the smart headset can realize the audio playback function.
  • the coupling method between the speaker and the human ear is open, which is easier and more comfortable to wear than the in-ear coupling.
  • this open coupling of the speaker causes sound waves to propagate in the space where the wearer of the smart headset is, and there is a certain amount of sound leakage.
  • multiple speakers can emit sound in the same direction to reduce the external sound leakage of a single speaker; for example, an acoustic dipole structure can be formed on the same mirror leg to achieve far-field sound wave cancellation.
  • “smart” does not mean that the product has a specific or special function, but is used to compare with traditional glasses, helmets, hats and other products.
  • “Smart head-mounted devices” at least have functions such as audio sound, etc. electrical capabilities rather than purely mechanical products.
  • smart head-mounted devices may include AR (Augmented Reality, augmented reality) glasses, VR (Virtual Reality, virtual reality) glasses or MR (Mixed Reality, mixed reality) Glasses, etc.
  • AR Augmented Reality, augmented reality
  • VR Virtual Reality, virtual reality
  • MR Mated Reality, mixed reality
  • FIG. 1 shows a schematic structural diagram of the smart head-mounted device of the present disclosure in one embodiment.
  • the smart head-mounted device 100 includes a frame 1, a first temple leg 2 and a second temple leg 3.
  • the two ends of the frame 1 are connected to the first temple leg 2 and the second temple leg respectively.
  • the first cavity in the first temple 2 is provided with a first sound-generating device 4
  • the second cavity in the second temple 3 is provided with a second sound-generating device 5.
  • the leg 2 includes a first sound hole 6
  • the second temple leg 3 includes a second sound hole 7
  • the first sound hole 6 is connected with the first cavity
  • the second sound hole 7 Communicated with the second cavity, the first sound outlet 6 and the second sound outlet 7 emit sound signals with opposite phases.
  • the frame may have lenses, especially in the case of AR glasses, the lenses may include optical waveguide lenses (for example, glass optical waveguide lenses or resin optical waveguide lenses) and, if necessary, myopia lenses, which are usually myopia lenses. It is closer to the wearer of AR glasses than the optical waveguide lens, that is, the light passes through the optical waveguide lens and then propagates into the myopia lens, and finally enters the wearer's eyeball.
  • Each sound-generating device of the present disclosure generally refers to various transducing devices that convert electrical signals into acoustic signals, such as dynamic speakers, capacitive speakers, electromagnetic speakers, or piezoelectric speakers, which are not limited by the present disclosure. .
  • each sound-emitting device can propagate sound to the corresponding sound hole through the cavity, and since the sound signals emitted by the first and second sound holes are in opposite phases, these two
  • the synthetic sound source of the sound hole forms an acoustic dipole structure in the far field of the wearer, achieving the cancellation of distant sound pressure.
  • the sound leakage to the front and rear of the wearer is very small, and due to the two sound holes They are formed on the two temples respectively, so they will not reduce the sound pressure radiated to the wearer's ear canal, giving the wearer a good acoustic experience.
  • the first sound-generating device 4 separates the first cavity into a first sound cavity and a second sound cavity
  • the second sound-generating device 5 separates the second cavity. They are the third sound cavity and the fourth sound cavity
  • the first sound outlet 6 is connected with one of the first sound cavity and the second sound cavity
  • the second sound outlet 7 is connected with the The third sound cavity is connected with one of the fourth sound cavities.
  • first and second sound cavities can be upper and lower sound cavities, or they can be front and rear sound cavities
  • the third and fourth sound cavities can also be upper and lower sound cavities, or front and rear sound cavities.
  • the first sound cavity is a first front sound cavity
  • the second sound cavity is a first rear sound cavity
  • the third sound cavity is a second front sound cavity
  • the fourth sound cavity is a third sound cavity.
  • the first sound chamber is the first upper sound chamber
  • the second sound chamber is the first lower sound chamber
  • the third sound chamber is the second upper sound chamber
  • the third sound chamber is the second upper sound chamber
  • the fourth tone cavity is the second lower tone cavity.
  • the phases of the sound waves emitted by the sound-generating device from the front sound cavity and the rear sound cavity are opposite, and the phases of the sound waves emitted by the sound-generating device from the upper sound cavity and the lower sound cavity are also opposite, so the sound outlet is different from the front sound cavity or the rear sound cavity.
  • Sound waves of different phases can be emitted by connecting the sound cavity, and sound waves of different phases can also be emitted by connecting the sound outlet with the upper or lower sound cavity.
  • connecting the sound hole and the front sound cavity emits a sound wave with a positive phase (hypothetical)
  • connecting the sound hole and the rear sound cavity emits a sound wave with a negative phase (hypothesis).
  • the phase direction of the electrical signals received by the two sound-generating devices located on the two temple legs and the sound cavity connected by the sound holes (the first sound hole and the second sound hole) on the two temple legs jointly affect the sound output.
  • the holes emit sound waves that are either in phase or opposite in phase.
  • connection relationship or the communication relationship between each sound hole and the corresponding front or rear sound cavity can be combined with the sound signals emitted by the corresponding sound-emitting devices. It is determined whether the phases of the sounds are the same or opposite.
  • the present disclosure is not limited to the connection relationship between the sound hole and the sound cavity.
  • the electrical signals received by the first sounding device and the second sounding device have opposite phase directions
  • the first sound hole can be connected to the first sound cavity
  • the second sound hole can be connected to the third sound cavity
  • the first sound hole can be connected to the third sound cavity. It can be connected with the second sound cavity, and the second sound outlet is connected with the fourth sound cavity.
  • the electrical signals received by the first sounding device and the second sounding device have the same phase direction
  • the first sound hole can be connected to the first sound cavity
  • the second sound hole can be connected to the fourth sound cavity
  • the first sound hole can be connected to the fourth sound cavity. It can be connected with the second sound cavity, and the second sound outlet is connected with the third sound cavity.
  • the sound-generating device can separate the front and rear sound cavities through acoustic insulation, that is, the sound-generating device acoustically insulates the corresponding front sound cavities and rear sound cavities, so that the sound emitted by the sound-generating device can be separated from the front and rear sound cavities.
  • the sound chambers do not affect each other, and the sound emitted by the sound holes connected by the front sound chamber or the rear sound chamber will not be interfered with.
  • Specific insulation means can be achieved through the matching shape between the corresponding cavity and the sound-generating device, or additional insulation devices can be provided, etc.
  • the sound-generating device is assembled in the housing of the temples, and the sound cavity in the housing is divided into two parts, the front and rear parts.
  • the diaphragm of the sound-generating device vibrates to the cavity. While the front sound chamber compresses the air, the rear sound chamber expands the air, and vice versa.
  • the sound-generating device on the leg radiates sound waves outward through the sound holes from the front sound chamber or the rear sound chamber, and since the sound signals from the first and second sound holes are in opposite phases, the synthesis of the two sound holes
  • the sound source forms an acoustic dipole structure in the far field of the wearer, which realizes the cancellation of distant sound pressure, especially the sound leakage to the front and rear of the wearer is very small.
  • the lenses are traditional lenses such as myopia lenses, hyperopia lenses, and flat lenses. That is to say, the so-called smart head-mounted devices can be glasses that do not have display capabilities but have audio functions, such as Bluetooth glasses.
  • the lenses are devices with display capabilities, such as Micro OLED displays, Micro LED displays, LCD displays, OLED displays, etc. That is to say, the so-called smart glasses have the ability to directly display images to the user. capabilities and audio-enabled glasses, such as AR glasses.
  • the lens is a device with display capabilities, such as through liquid crystal on silicon (LCOS), liquid crystal display (LCD), digital micromirror device (DMD), digital light processing (DLP), OLED on silicon (OLEDOS) , Micro LED, Micro OLED and other display sources have the ability to project through optical waveguides to form a display screen for the user's human eyes, such as AR glasses.
  • LCOS liquid crystal on silicon
  • LCD liquid crystal display
  • DMD digital micromirror device
  • DLP digital light processing
  • OLEDOS OLED on silicon
  • Micro LED, Micro OLED and other display sources have the ability to project through optical waveguides to form a display screen for the user's human eyes, such as AR glasses.
  • other types of smart glasses such as VR glasses, MR glasses, etc., as long as they have audio functions, may be applicable to the technical solutions provided by the embodiments of the present disclosure.
  • connection between the temples and the frame is a fixed connection, that is, the connection position between the temples and the frame is fixed, forming a fixed wearing angle.
  • the fixed connection between the temples and the frame does not pose a special limitation on the structure of the temples themselves.
  • the temples themselves can be telescopic, fixed in length, or flexible and bendable.
  • the temples are movablely connected to the frame, for example, through rotating shafts, circlips, hinges, etc., so that the opening angle of the temples relative to the frame is adjustable.
  • the first sound outlet and the second sound outlet may be configured into desired shapes, such as rectangular, square, circular, oval, and other hole designs in various shapes. For example, they can all be long strips.
  • the first sound-emitting device and the second sound-emitting device are configured to receive electrical signals with opposite phase directions, and emit sound signals with the same amplitude and opposite phases through the first sound outlet and the second sound outlet.
  • the first sound-emitting device and the second sound-emitting device are configured to receive electrical signals with opposite phase directions and the same magnitude (amplitude, frequency, etc.). If necessary, the power of the first sound-emitting device and the second sound-emitting device can be set or adjusted.
  • the amplifier is configured to emit sound signals with the same size and opposite phase through the first sound hole and the second sound hole respectively, and meet the power output requirements.
  • the performance specifications of the first sound-generating device and the second sound-generating device are the same, and the amplitude and frequency of the electrical signals received by the first sound-generating device and the second sound-generating device are the same, so that they pass through the first sound outlet and the second sound outlet respectively.
  • the sound hole emits sound signals with the same amplitude and opposite phase.
  • the first sound outlet and the second sound outlet may be configured to have the same geometric specifications, such as structural shape, size, arrangement position, quantity, etc., in order to obtain a consistent sound effect.
  • the first sound-generating device includes a single speaker that separates the first cavity in the first temple into a first sound cavity and a second sound cavity; and/or the first sound-generating device includes at least two A speaker group is composed of speakers, and the speaker group divides the first cavity in the first temple into a first sound cavity and a second sound cavity.
  • the second sound-generating device includes a single speaker, and the speaker separates the second cavity in the second temple into a third sound cavity and a fourth sound cavity; and/or the second sound-generating device includes at least two A speaker group is composed of speakers, and the speaker group divides the second cavity in the second temple into a third sound cavity and a fourth sound cavity.
  • the diaphragm of a single speaker can separate the cavity in the temple into a front sound cavity and a rear sound cavity, so that the phases of the sound waves emitted by the front and rear sound chambers are naturally opposite;
  • one speaker is placed in the front sound cavity and is facing the front sound cavity, and the other speaker is placed in the rear sound cavity and is facing the rear sound cavity.
  • the front sound cavity and the rear sound cavity are physically insulated, and the two speakers receive the same phase.
  • Directional electrical signals can also cause the sound waves emitted by the front and rear sound chambers to have opposite phases.
  • FIG. 2 a block diagram of the sound generation principle of the smart head-mounted device in one embodiment of the present disclosure is shown.
  • the first sound-emitting device 4 and the second sound-emitting device 5 are electrically connected to electrodes of the audio signal processor 9 of the smart headset 100 respectively, so that the first sound-emitting device
  • the phase directions of the electrical signals received by the device 4 and the second sound-emitting device 5 are opposite.
  • the head-mounted device such as AR glasses, may have a built-in or dedicated central processing unit with a built-in audio signal processor.
  • the audio signal processor may, for example, be used to send the received audio signals to the first and third devices respectively.
  • a general audio signal processor is used here to be connected to the first and second sound-emitting devices respectively.
  • the so-called "reverse electrical connection” means, for example, that for the first sound-generating device, the upper side of the electrical signal input end is the negative electrode, which is connected to the positive electrode of the audio signal processor, and the lower side is the positive electrode, which is connected to the audio signal processor.
  • the negative electrode of the processor is connected; for the second sound-generating device, the upper side of the electrical signal access terminal is the positive electrode, which is connected to the positive electrode of the audio signal processor, and the lower side is the negative electrode, which is connected to the negative electrode of the audio signal processor.
  • each sounding device receiving opposite phase signals
  • the phase directions of the electrical signals received by the first sounding device 4 and the second sounding device 5 are the same, and the first sound hole 6
  • the second sound hole 7 is connected with the first sound cavity, and the second sound hole 7 is connected with the fourth sound cavity; or the phase directions of the electrical signals received by the first sound-emitting device 4 and the second sound-emitting device 5 are the same.
  • the first sound hole 6 is connected with the second sound cavity
  • the second sound hole 7 is connected with the third sound cavity.
  • FIG. 3 which shows a sound-generating principle block diagram of the smart head-mounted device of the present disclosure in another embodiment, in which the first sound-generating device 4 and the second sound-generating device 5 are respectively connected with the smart headset.
  • the audio signal processor 9 of the wearable device 100 is electrically connected in the same way with positive and negative poles corresponding to each other, so that the phase directions of the electrical signals received by the first sound-emitting device 4 and the second sound-emitting device 5 are the same.
  • the sounds emitted by the two sound holes can be realized to have opposite phases (for example, the same amplitude and opposite phases), thereby achieving the expected technical effect and effectively solving the current problems of smart headsets.
  • the active sound cavity such as the first sound
  • the arrangement positions of the cavity and the fourth sound cavity, or the second sound cavity and the third sound cavity on their respective temples can be configured to be consistent or symmetrical, so that the positions of the corresponding sound holes can also be consistent or symmetrical, so as to achieve the above effects.
  • the sound-generating devices on both sides have the same specifications and receive the same electrical signals, thereby ensuring that the amplitude and phase of the vibrations of the sound-generating devices on both sides are consistent. Therefore, the sound waves emitted by the left sound hole and the right sound hole are equal in amplitude and opposite in phase. They are a pair of acoustic dipoles, which can offset the sound waves radiated into the environment around the wearer and reduce sound leakage, especially right There is minimal sound leakage in front of and behind the wearer.
  • the first temple 2 has a first auricle contact portion 10 for the smart headset 100 to contact the wearer's first auricle
  • the second temple The leg 3 has a second auricle contact portion 11 for the smart headset 100 to contact the wearer's second auricle
  • the first sound hole 6 is located at the lower part of the first temple 2 , and is closer to the frame 1 with respect to the first auricle contact portion 10
  • the second sound hole 7 is located at the lower part of the second temple leg 3, and is in contact with the second auricle.
  • Part 11 is closer to the frame 1 .
  • the first and second auricles of the user refer to the auricles of the two ears of the user respectively. Therefore, when the user wears the smart headset, the device contacts the user's two auricles with the first and second auricle contact parts, and according to the position design of the above technical solution, the first and second sound holes It can transmit the respective sounds to the user's ears relatively close and comfortably, which also has the effect of reducing sound leakage, and at the same time ensuring that the sound is not distorted as much as possible.
  • the direction toward the frame is the front (left in Figure 1), and the direction toward the end of the temple (right in Figure 1) is the rear. Therefore, it can also be considered that each auricle contact portion is relative to the corresponding outlet.
  • the sound hole is located on the rear of the smart headset. It is also feasible that the structural shape and size of each auricle contact portion match the user's auricle to provide a more comfortable and less fatigue-prone wearing experience, and that the respective sound holes are arranged adjacent to the corresponding auricle contact portion , in order to better exert the above technical effects.
  • the position of the first sound hole on the first temple leg is the same as the position of the second sound hole on the second temple leg.
  • the first sound hole is located at the lower part and/or the outer part of the first temple leg; correspondingly, the second sound hole is located at the lower part and/or the outer part of the second temple leg.
  • the first sound hole 6 and the second sound hole 7 are arranged symmetrically.
  • the symmetrical arrangement refers to the symmetrical arrangement relative to the symmetry axis of the smart headset. For example, when the smart headset is fully unfolded, its symmetry axis passes through the center of the frame and is perpendicular to the middle of the frame. The plane on which it is located. In this way, the sound performance received by both ears of the user can be kept consistent to obtain a more comfortable listening experience.
  • the positions of the first sound hole and the second sound hole are the same, and the geometric shapes and sizes of the first sound hole and the second sound hole are the same.
  • the first sound hole 6 and the second sound hole 7 are symmetrically arranged.
  • the sound hole faces the front of the user's auricle.
  • the installation of the first sound-generating device in the first cavity The direction is the same as the installation direction of the second sound-emitting device in the second cavity. It should be understood that the installation direction is determined based on the direction of the electrode polarity of the corresponding first or second sound-emitting device. For example, when the first sound-emitting device and the second sound-emitting device are both one and the same, the installation direction is the same.
  • the speaker on the left temple leg is positive in the direction close to the wearer, and negative in the direction close to the frame (assuming).
  • the speaker on the right temple leg is also positive in the direction close to the wearer, and negative in the direction close to the frame, and vice versa.
  • the first temple leg is a left temple leg
  • the second temple leg is a right temple leg.
  • the first temple leg is the right temple leg
  • the second temple leg is the left temple leg.
  • the smart head-mounted device referred to in the embodiment of the present disclosure may be an electronic device with the ability to work independently.
  • the electronic device has its own operating system, for example, it includes a processor, a memory, etc., and a computer program is stored on the memory.
  • the processor Implement the necessary functions when executing the corresponding computer program. For example, receiving external content (audio, video, picture and other data) input or playing local content.
  • the smart head-mounted device referred to in the embodiment of the present disclosure may be an electronic device that relies on input from an external device to perform functions.
  • the electronic device communicates with the external device through a wired or wireless manner, and receives external content (audio, video, pictures, etc.) and other data) input, the smart headset implements functions such as audio output, video display, and picture display.
  • the so-called external devices can be local devices such as mobile phones, tablets, laptops, and desktops, which are connected to smart headset devices through wired or wireless methods; for example, they can be various remote cloud services, such as certain For cloud services such as certain music and certain videos, smart head-mounted devices obtain the content provided by cloud services through the Internet.
  • the audio source signal obtained by the speaker may be generated by playing local content containing audio, or may be generated by receiving external content containing audio in a wired or wireless manner.
  • the processor may be a general-purpose processor, such as a central processing unit/Central Processing Unit (CPU for short); it may also be a Digital Signal Processing (DSP for short), a dedicated Integrated circuit (Application Specific Integrated Circuit, referred to as ASIC), field programmable gate array (Field Programmable Gate Array, referred to as FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • the memory may include random access memory (RAM), and may also include non-volatile memory (non-volatile memory), such as at least one disk memory.
  • connection may be through a network connection, such as a wireless network, a wired network, and/or any combination of a wireless network and a wired network.
  • the network may include a local area network, the Internet, a telecommunications network, the Internet of Things (Internet of Things) based on the Internet and/or telecommunications networks, and/or any combination of the above networks.
  • a wired network may use twisted pairs, coaxial cables, or optical fiber transmission for communication
  • a wireless network may use a 3G/4G/5G mobile communication network, Bluetooth, Zigbee, or Wi-Fi.
  • the first temple leg 2 is a left temple leg
  • the second temple leg 3 is a right temple leg
  • the sound-generating device is a single speaker.
  • the smart head-mounted device includes a frame 1, and a left temple and a right temple.
  • the frame 1 is connected to the left and right temples respectively, and there are cavities in the left and right temples.
  • the smart headset includes a speaker, a first sounding device 4 is provided in the left temple leg, a second sounding device 5 is provided in the right temple leg, the first sounding device 4 and the second sounding device 5 are provided in the cavity Inside, the first sound-generating device 4 and the second sound-generating device 5 separate the cavity of the temple into a front sound cavity and a rear sound cavity; a left sound hole is provided on the left temple, and a left sound hole is provided on the right temple.
  • the left sound hole is connected to the front sound cavity inside the left temple
  • the right sound hole is connected to the front sound cavity inside the right temple
  • the left sound hole is connected to the left
  • the rear sound cavity inside the side mirror leg is connected, and the sound outlet on the right side is connected with the rear sound cavity inside the right temple leg.
  • the first sound-generating device that is, the speaker
  • the second sound-generating device that is, the speaker
  • receive electrical signals with opposite phases they vibrate and produce sound.
  • the air is compressed in the front sound cavity
  • the air is expanded in the rear sound cavity, and vice versa.
  • the sound waves emitted from the front sound cavity by both the speaker and the speaker maintain the same amplitude and opposite phase at all times.
  • the speakers on both sides in this embodiment have the same specifications and receive electrical signals with opposite phases
  • the sound waves emitted by the left sound hole and the right sound hole are equal in amplitude and opposite in phase. They are a pair of acoustic dipoles. , can offset the sound waves radiated to the environment around the wearer and reduce sound leakage, especially the sound leakage in front and behind the wearer is very small.
  • the left sound hole and the right sound hole are located in front of the auricle of the wearer of the smart headset. Due to the shielding effect of the human head on the front of the auricle and the difference in distance from the speakers on both sides to the same ear canal, the sound pressure radiated from one speaker to the other ear canal is smaller, and the sound waves received by the ear canal are mainly from the same side. speakers emit, Therefore, this embodiment has little impact on the wearer's in-ear sound pressure, and while increasing privacy and preventing sound leakage, the wearer's acoustic experience will not be lost.
  • the first temple leg 2 is a left temple leg
  • the second temple leg 3 is a right temple leg
  • the sound-generating device is a set of two or more speakers.
  • the speaker sets located on the temples on both sides are of the same design and give opposite electrical signals.
  • the smart head-mounted device includes a frame 1 and a left temple and a right temple.
  • the frame 1 is connected to the left and right temples respectively, and there are cavities in the left and right temples;
  • the smart headset includes a speaker group, a speaker group is provided in the left temple leg, and a speaker group is provided in the right temple leg.
  • the speaker group and the speaker group are arranged in the cavity, and the speaker group and the speaker group separate the cavity into Front sound chamber and rear sound chamber; a left sound hole is provided on the left temple leg, a right sound hole is provided on the right temple leg, the left sound hole and the front sound hole inside the left temple leg The right sound hole is connected to the front sound cavity inside the right temple leg, or the left sound hole is connected to the rear sound cavity inside the left temple leg, and the right sound hole is connected to the rear sound cavity inside the right temple leg. Sound cavities are connected.
  • the left sound hole can be connected to the front sound cavity inside the left temple, and the right sound hole can be connected to the rear cavity inside the right temple. Sound cavities are connected.
  • the sound holes on one of the temples are connected to the front sound cavity of the speaker on that side, and the outlet on the other side is connected to the front sound cavity of the speaker on that side.
  • the sound holes are all connected to the rear sound cavity of the speaker on that side, achieving the purpose of reducing sound leakage.
  • FIG. 4 shows a frequency response comparison diagram of the smart head-mounted device of the present disclosure at a specified position in an embodiment.
  • This figure presents a comparison of the frequency response curves at a position 30cm in front of the wearer in the technical solution of using an acoustic dipole structure on the same side of the spectacle temple in the aforementioned embodiments of the present disclosure and related technologies.
  • the solid line corresponds to the smart head-mounted device of this embodiment
  • the dotted line corresponds to the glasses of the related technology. It can be seen from the comparison that this embodiment significantly improves the sound leakage in the far field around the wearer.
  • FIG. 5 shows a frequency response comparison diagram of the in-ear sound pressure of the smart head-mounted device of the present disclosure in one embodiment.
  • This figure presents a comparison chart of the wearer's in-ear sound pressure frequency response curve between the embodiment of the present disclosure and the technical solution of using an acoustic dipole structure on the same side of the spectacle temple in related technologies.
  • the solid line corresponds to the smart head-mounted device of this embodiment
  • the dotted line corresponds to the glasses of the related technology. It can be seen from the comparison that the embodiments of the present disclosure reduce ambient sound leakage without affecting the wearer's acoustic experience.
  • the wearable system provided by the present disclosure includes: any of the above smart head-mounted devices.
  • the wearable system may include components that are matched with the smart head-mounted device, such as a storage box, a charging base, a charger, etc.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

L'invention concerne un appareil intelligent monté sur la tête (100) et un système portable. L'appareil intelligent monté sur la tête (100) comprend un cadre (1), une première branche (2) et une seconde branche (3). Deux extrémités du cadre (1) sont respectivement reliées à la première branche (2) et à la deuxième branche (3) ; une première cavité dans la première branche (2) est pourvue d'un premier dispositif sonore (4), et une deuxième cavité dans la deuxième branche (3) est pourvue d'un deuxième dispositif sonore (5) ; la première branche (2) comprend un premier trou de sortie sonore (6), et la seconde branche (3) comprend un second trou de sortie sonore (7) ; le premier trou de sortie sonore (6) est en communication avec la première cavité, et le second trou de sortie sonore (7) est en communication avec la seconde cavité ; et le premier trou de sortie sonore (6) et le second trou de sortie sonore (7) émettent des signaux sonores dont les phases sont opposées.
PCT/CN2023/111278 2022-09-02 2023-08-04 Appareil intelligent monté sur la tête et système portable WO2024046031A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202211074008.3A CN115426571A (zh) 2022-09-02 2022-09-02 一种智能头戴设备及可穿戴系统
CN202211074008.3 2022-09-02
CN202211073552.6A CN115426570A (zh) 2022-09-02 2022-09-02 一种智能头戴设备及可穿戴系统
CN202211073552.6 2022-09-02

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WO2024046031A1 true WO2024046031A1 (fr) 2024-03-07

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JP2020036207A (ja) * 2018-08-30 2020-03-05 パナソニックＩｐマネジメント株式会社 骨伝導ヘッドセット
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CN112433371A (zh) * 2020-10-22 2021-03-02 歌尔光学科技有限公司 头戴设备
CN113574907A (zh) * 2019-03-21 2021-10-29 脸谱科技有限责任公司 用于可佩戴音频设备中振动减轻的高顺应性微型扬声器
CN114422933A (zh) * 2021-12-31 2022-04-29 歌尔光学科技有限公司 一种电子设备及其的声场处理方法以及声场处理设备
CN115361633A (zh) * 2022-09-02 2022-11-18 湖北星纪时代科技有限公司 智能头戴设备及智能系统
CN115426570A (zh) * 2022-09-02 2022-12-02 湖北星纪时代科技有限公司 一种智能头戴设备及可穿戴系统
CN115426571A (zh) * 2022-09-02 2022-12-02 湖北星纪时代科技有限公司 一种智能头戴设备及可穿戴系统

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US10904667B1 (en) * 2018-03-19 2021-01-26 Amazon Technologies, Inc. Compact audio module for head-mounted wearable device
JP2020036207A (ja) * 2018-08-30 2020-03-05 パナソニックＩｐマネジメント株式会社 骨伝導ヘッドセット
CN113574907A (zh) * 2019-03-21 2021-10-29 脸谱科技有限责任公司 用于可佩戴音频设备中振动减轻的高顺应性微型扬声器
CN110830867A (zh) * 2019-11-01 2020-02-21 歌尔股份有限公司 一种智能头戴设备
CN112433371A (zh) * 2020-10-22 2021-03-02 歌尔光学科技有限公司 头戴设备
CN114422933A (zh) * 2021-12-31 2022-04-29 歌尔光学科技有限公司 一种电子设备及其的声场处理方法以及声场处理设备
CN115361633A (zh) * 2022-09-02 2022-11-18 湖北星纪时代科技有限公司 智能头戴设备及智能系统
CN115426570A (zh) * 2022-09-02 2022-12-02 湖北星纪时代科技有限公司 一种智能头戴设备及可穿戴系统
CN115426571A (zh) * 2022-09-02 2022-12-02 湖北星纪时代科技有限公司 一种智能头戴设备及可穿戴系统

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