Neck-hanging type audio input device based on bone voiceprint sensor

Abstract

The utility model discloses neck-hanging type audio input equipment based on a bone voiceprint sensor. The neck-hanging type audio input equipment comprises a u-shaped neck ring, a plurality of pickup terminals and a central control box, the pickup terminal is mounted at any one or two end parts of the neck ring, and a bone voiceprint sensor is arranged in the pickup terminal; a PCB (Printed Circuit Board) is arranged in the central control box, an audio signal acquisition circuit, a main control circuit, a wireless communication circuit and a power supply circuit are arranged on the PCB, and the bone voiceprint sensor, the audio signal acquisition circuit, the main control circuit and the wireless communication circuit are electrically connected in sequence. The bone voiceprint sensor is adopted to collect bone voiceprint signals of the throat of a wearer, the bone voiceprint sensor senses vibration of bones when people speak, signal pickup and conversion are achieved, interference of sound wave noise in the surrounding environment can be effectively eliminated, the neck-hanging type structure can be directly hung on the neck of the wearer, hand holding is not needed, and the neck-hanging type structure is convenient to use. The operation is more convenient.

Description

Technical Field

[0001] The utility model specifically relates to a neck - worn audio input device based on a bone voiceprint sensor. Background Art

[0002] With the development and improvement of intelligent devices and wearable devices, there are more and more wearable devices with audio output functions, such as various wireless earphones, wired earphones, hearing - aid and assistive - listening earphones, VR helmet devices, smart glasses, etc. However, the existing wearable devices with audio input functions are still blank. The existing audio input devices are often microphones, etc., which require people to speak loudly to collect corresponding voices. In some public places that need to keep quiet (such as libraries, hospitals, meeting rooms, etc.), or for some elderly people or vulnerable groups with relatively soft voices, it is not convenient for them to speak loudly. Content of the Utility Model

[0003] In order to solve the above - mentioned technical problems, the utility model proposes a neck - worn audio input device based on a bone voiceprint sensor.

[0004] In order to achieve the above purpose, the technical solution of the utility model is as follows:

[0005] The utility model discloses a neck - worn audio input device based on a bone voiceprint sensor, including: a U - shaped neck ring, a plurality of sound - picking terminals, and a central control box;

[0006] The sound - picking terminals are installed at one or both ends of the neck ring, and a bone voiceprint sensor is built in the sound - picking terminals;

[0007] A PCB board is installed inside the central control box. An audio signal acquisition circuit, a main control circuit, a wireless communication circuit, and a power supply circuit are provided on the PCB board. The bone voiceprint sensor, the audio signal acquisition circuit, the main control circuit, and the wireless communication circuit are electrically connected in sequence;

[0008] The bone voiceprint sensor is used to collect the bone voiceprint signal of the wearer's throat part and send it to the audio signal acquisition circuit;

[0009] The audio signal acquisition circuit is used to convert the received signal into a digital signal and send it to the main control circuit;

[0010] The main control circuit is used to convert the received signal into a signal that the wireless communication circuit can send and send it to the wireless communication circuit;

[0011] The wireless communication circuit is used to send the received signal to the host computer.

[0012] Based on the above - mentioned technical solution, the following improvements can be made:

[0013] As a preferred solution, the audio signal acquisition circuit includes an amplifier circuit, a filter circuit, and a signal conversion circuit that are electrically connected in sequence. The amplifier circuit is used to amplify the received signal, the filter circuit is used to filter out noise signals, and the signal conversion circuit is used to convert the received signal into a digital signal.

[0014] As a preferred solution, the power supply circuit includes: an interface circuit, a rechargeable battery, and a voltage conversion circuit. The interface circuit is connected to the mains through a charger. The rechargeable battery is used to store electrical energy, and the voltage conversion circuit is used to convert the output voltage of the rechargeable battery into a voltage that meets the requirements.

[0015] As a preferred solution, an alarm is also provided on the PCB board, and the alarm is electrically connected to the main control circuit.

[0016] As a preferred solution, the neck ring is a retractable structure.

[0017] As a preferred solution, the neck ring includes: a ring body and ring arms respectively arranged at both ends of the ring body. One end of each ring arm extends into one end of the ring body, and the two can slide relative to each other. A sound pickup terminal is installed at the other end thereof;

[0018] The central control box is installed on the ring body.

[0019] As a preferred solution, the central control box is slidably installed on the ring body.

[0020] As a preferred solution, several magnetic attraction positioning rings are provided on the ring body, and several magnetic attraction sleeves are provided on the central control box. The magnetic attraction sleeves can magnetically attract with the magnetic attraction positioning rings.

[0021] As a preferred solution, an anti-slip layer is installed on the sound pickup terminal.

[0022] The present utility model discloses a neck-worn audio input device, which has the following beneficial effects:

[0023] First, the present utility model uses a bone voiceprint sensor to collect the bone voiceprint signal of the wearer's throat. The bone voiceprint sensor realizes the pickup and conversion of the signal by sensing the vibration of the bones when people speak, and can effectively exclude the interference of surrounding environmental sound waves and noises.

[0024] Second, the present utility model has a neck-worn structure, which is directly hung on the neck of the wearer without the need to hold it by hand, making it more convenient. Description of the Drawings

[0025] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the accompanying drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following accompanying drawings only show certain embodiments of the present utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other relevant accompanying drawings can also be obtained based on these drawings.

[0026] Figure 1 Schematic diagram of the structure of the neck-worn audio input device provided by the embodiment of the present utility model.

[0027] Figure 2 Schematic diagram of the connection of circuit components on the PCB board provided by the embodiment of the present utility model.

[0028] Figure 3 Schematic diagram of the audio signal acquisition circuit provided by the embodiment of the present utility model.

[0029] Figure 4 Another schematic diagram of the structure of the neck-worn audio input device provided by the embodiment of the present utility model.

[0030] Figure 5 For Figure 4 Partial enlarged view of part A in

[0031] Wherein: 1 - neck ring, 11 - ring main body, 12 - ring arm, 13 - magnetic adsorption positioning ring, 2 - sound pickup terminal, 3 - central control box, 31 - magnetic adsorption sleeve, 41 - bone voiceprint sensor, 42 - audio signal acquisition circuit, 421 - amplification circuit, 422 - filtering circuit, 423 - signal conversion circuit, 43 - main control circuit, 44 - wireless communication circuit, 45 - upper computer, 46 - interface circuit, 47 - rechargeable battery, 48 - voltage conversion circuit. Specific embodiments

[0032] The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

[0033] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0034] The expression of "including" elements is an "open-ended" expression. This "open-ended" expression only means that there are corresponding components, and should not be construed as excluding additional components.

[0035] To achieve the object of the present utility model, in some embodiments of the neck-worn audio input device based on a bone voiceprint sensor, such as Figures 1-3 shown, the neck-worn audio input device includes: a U-shaped neck ring 1, a plurality of sound pickup terminals 2, and a central control box 3.

[0036] The sound pickup terminals 2 are installed at both ends of the neck ring 1, and a bone voiceprint sensor 41 is built in the sound pickup terminals 2.

[0037] A PCB board is installed inside the central control box 3. An audio signal acquisition circuit 42, a main control circuit 43, a wireless communication circuit 44, and a power supply circuit are provided on the PCB board. The bone voiceprint sensor 41, the audio signal acquisition circuit 42, the main control circuit 43, and the wireless communication circuit 44 (such as: a Bluetooth communication circuit) are electrically connected in sequence.

[0038] The bone voiceprint sensor 41 is used to collect the bone voiceprint signal of the wearer's throat part and send it to the audio signal acquisition circuit 42;

[0039] The audio signal acquisition circuit 42 is used to convert the received signal into a digital signal and send it to the main control circuit 43;

[0040] The main control circuit 43 is used to convert the received signal into a signal that the wireless communication circuit 44 can send and send it to the wireless communication circuit 44;

[0041] The wireless communication circuit 44 is used to send the received signal to the host computer 45.

[0042] The working process of the present utility model is as follows:

[0043] The central control box 3 is powered on, and the wireless communication circuit 44 establishes a connection with the host computer 45.

[0044] When the wearer makes a sound, the bone voiceprint sensor 41 located at the wearer's throat part collects the bone voiceprint information by sensing the vibration of the bones when people speak, and converts it into a weak analog signal. The audio signal acquisition circuit 42 converts the analog signal into a digital signal, and the main control circuit 43 converts the digital signal into a radio frequency signal that can be transmitted by Bluetooth and sends it to the host computer 45 through the wireless communication circuit 44.

[0045] Then, the host computer 45 restores the digital audio signal by receiving and decoding, and converts it into an analog signal to drive the speaker to emit sound.

[0046] The host computer 45 can be an intelligent device such as a mobile phone or a computer, as long as it has the functions of wireless communication and audio conversion. It should be noted that the host computer 45 can also convert audio into text.

[0047] In order to further optimize the implementation effect of the present utility model, in some other embodiments, the remaining characteristic technologies are the same, except that the audio signal acquisition circuit 42 includes an amplification circuit 421, a filtering circuit 422, and a signal conversion circuit 423 that are electrically connected in sequence. The amplification circuit 421 is used to amplify the received signal, the filtering circuit 422 is used to filter out noise signals, and the signal conversion circuit 423 is used to convert the received signal into a digital signal.

[0048] In order to further optimize the implementation effect of the present utility model, in some other embodiments, the remaining characteristic technologies are the same, except that the power supply circuit includes an interface circuit 46 (such as a type-c interface circuit), a rechargeable battery 47, and a voltage conversion circuit 48 that are electrically connected in sequence. The interface circuit 46 is connected to the mains through a battery charger. The rechargeable battery 47 is used to store electrical energy, and the voltage conversion circuit 48 is used to convert the output voltage of the rechargeable battery 47 into a voltage that meets the requirements.

[0049] In order to further optimize the implementation effect of the present utility model, in some other embodiments, the remaining characteristic technologies are the same, except that an alarm is also provided on the PCB board, and the alarm is electrically connected to the main control circuit 43.

[0050] Some elderly people or vulnerable groups with relatively soft voices can press the emergency button on the central control box 3 in an emergency to trigger the alarm and achieve audible and visual alarms.

[0051] In order to further optimize the implementation effect of the present utility model, in some other embodiments, the remaining characteristic technologies are the same, except that the neck ring 1 is a telescopic structure suitable for wearers with different neck dimensions.

[0052] Further, as Figures 4-5 shown, the neck ring 1 includes a ring main body 11 and ring arms 12 respectively provided at both ends of the ring main body 11. One end of each ring arm 12 extends into one end of the ring main body 11, and the two can slide relative to each other. A sound pickup terminal 2 is installed at the other end thereof;

[0053] The central control box 3 is installed on the ring main body 11.

[0054] Further, the central control box 3 is slidably installed on the ring main body 11. When wearing, the user can adjust the position of the central control box 3 to improve the wearing comfort.

[0055] Further, five magnetic attraction positioning circles 13 are provided on the ring main body 11, and two magnetic attraction sleeves 31 are provided on the central control box 3. The magnetic attraction sleeves 31 can magnetically attract with the magnetic attraction positioning circles 13.

[0056] The magnetic attraction sleeve 31 is sleeved at the corresponding magnetic attraction positioning circle 13 for positioning and fixing.

[0057] Furthermore, an anti-slip layer is installed on the sound pickup terminal 2, and the sound pickup terminal 2 can be better placed near the wearer's throat. The anti-slip layer can be distributed with bumps, grooves or staggered gullies, etc.

[0058] The utility model can be applied in some special scenarios, such as: in a particularly noisy environment, the utility model can shield the noise of the surrounding environment, and directly collect the bone voiceprint signal of the speaker by using the bone voiceprint sensor 41.

[0059] The utility model can be applied to some special groups, such as: patients who can only make weak sounds or the elderly with a small voice, etc.

[0060] The utility model discloses a neck-mounted audio input device, which has the following beneficial effects:

[0061] First, the utility model uses the bone voiceprint sensor 41 to collect the bone voiceprint signal of the wearer's throat. The bone voiceprint sensor 41 realizes the pickup and conversion of the signal by sensing the vibration of the bones when people speak, and can effectively exclude the interference of the surrounding environmental sound wave noise.

[0062] Second, the utility model has a neck-mounted structure, which is directly hung on the neck of the wearer and does not need to be held by hand, which is more convenient.

[0063] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "center", "both ends", etc. is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0064] In the present utility model, unless otherwise clearly specified and limited, the terms "installed", "set", "connected", "fixed", "swiveling connection", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. Unless otherwise clearly limited, for those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0065] The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

[0066] The control mode of the present utility model is controlled by manually starting and closing the switch. The wiring diagram of the power element and the provision of the power supply belong to the common knowledge in the art, and the present utility model is mainly used to protect mechanical devices. Therefore, the control mode and wiring arrangement of the present utility model will not be explained in detail.

Claims

1. A neck-worn audio input device based on a bone voiceprint sensor, characterized in that Including: a U-shaped neck ring, a plurality of sound pickup terminals, and a central control box; The sound pickup terminals are installed at one or both ends of the neck ring, and a bone voiceprint sensor is built in the sound pickup terminals; A PCB board is installed inside the central control box. An audio signal acquisition circuit, a main control circuit, a wireless communication circuit, and a power supply circuit are provided on the PCB board. The bone voiceprint sensor, the audio signal acquisition circuit, the main control circuit, and the wireless communication circuit are electrically connected in sequence; The bone voiceprint sensor is used to collect the bone voiceprint signal of the wearer's throat part and send it to the audio signal acquisition circuit; The audio signal acquisition circuit is used to convert the received signal into a digital signal and send it to the main control circuit; The main control circuit is used to convert the received signal into a signal that the wireless communication circuit can send and send it to the wireless communication circuit; The wireless communication circuit is used to send the received signal to the host computer.

2. The neck-worn audio input device according to claim 1, wherein The audio signal acquisition circuit includes an amplification circuit, a filtering circuit, and a signal conversion circuit that are electrically connected in sequence. The amplification circuit is used to amplify the received signal, the filtering circuit is used to filter out noise signals, and the signal conversion circuit is used to convert the received signal into a digital signal.

3. The neck-worn audio input device according to claim 1, wherein The power supply circuit includes: an interface circuit, a rechargeable battery, and a voltage conversion circuit. The interface circuit is connected to the mains through a charger. The rechargeable battery is used to store electric energy. The voltage conversion circuit is used to convert the output voltage of the rechargeable battery into a voltage that meets the requirements.

4. The neck-worn audio input device according to claim 1, characterized in that, An alarm is also provided on the PCB board, and the alarm is electrically connected to the main control circuit.

5. The neck-worn audio input device according to any one of claims 1-4, characterized in that, The neck ring is a telescopic structure.

6. The neck-worn audio input device according to claim 5, wherein, The neck ring includes: a ring body and ring arms respectively arranged at both ends of the ring body. One end of each ring arm extends into one end of the ring body, and the two can slide relative to each other. A sound pickup terminal is installed at the other end; The central control box is installed on the ring body.

7. The neck-worn audio input device according to claim 6, wherein The central control box is slidably installed on the ring body.

8. The neck-worn audio input device according to claim 7, wherein, A plurality of magnetic attraction positioning rings are provided on the ring body, and a plurality of magnetic attraction sleeves are provided on the central control box. The magnetic attraction sleeves can be magnetically attracted to the magnetic attraction positioning rings.

9. The neck-worn audio input device according to claim 6, wherein An anti-slip layer is installed on the sound pickup terminals.

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