TWM600455U - Audio regulation system - Google Patents

Abstract

An audio regulation system applied to a hearing detection device includes an audio generator, a cloud server, a mobile computing device, and an audio playback unit. The audio generator plays a first test sound. A sound pressure level Z of the first test sound at any frequency between 500Hz and 4000Hz. A computing unit of the mobile computing device generates a first numerical value X after receiving the first test sound through a microphone, and the computing unit generates a second numerical value Y after receiving a second test sound through the microphone. The audio playback unit receives an audio instruction from an audio control interface and plays the second test sound to the microphone. The computing unit obtains a correction value through a relationship of Z+(Y-X).

Description

Audio correction system

This creation is related to an audio correction system, especially an audio correction system that can be applied to mobile devices and does not require pre-calibration of the audio playback unit.

For voice devices that are now commonly used in smart homes and digital electronic products with different functions, the voice service modules that can respond to people (such as voice assistants, telephone voice services or other related voice service devices, etc.) Since the adjustment is not made for the hearing impaired or impaired, for the impaired or impaired person, it is easy to cause response troubles and various inconveniences in life when using the general voice service module. Therefore, in order to make it more convenient for all users to use the voice service module, it is necessary to perform different hearing compensation adjustments for different users when using the voice service module.

However, the hearing compensation adjustment method in the prior art must first detect the user's use of fully calibrated professional equipment (such as special-spec audio sources and pickups) to obtain the hearing curve corresponding to different users. For general use In terms of time or funding, it is easy to cause troubles.

For this reason, how to design an audio correction system, especially to solve the technical problem of the existing technology that requires fully calibrated professional equipment to obtain the hearing curve corresponding to different users, is an important research for the creators of this creation. Subject.

The purpose of this creation is to provide an audio correction system to solve the technical problem of the prior art that requires fully calibrated professional equipment to obtain the hearing curve corresponding to different users, which can help users save time and cost, and achieve the use of It is convenient for the purpose of hearing test.

In order to achieve the foregoing purpose, the audio correction system proposed in this creation is applied to hearing detection devices. The audio correction system includes: an audio generator, a cloud server, a mobile computing device, and an audio playback unit; wherein the audio generator plays the first test sound , The first test sound has a sound pressure level Z at any frequency between 500 Hz and 4000 Hz; the mobile computing device is coupled to the cloud server, and the mobile computing device includes a microphone, a computing unit, a memory, and an audio control interface , And the arithmetic unit is coupled to the microphone, the memory and the audio control interface. The arithmetic unit generates the first value X after receiving the first test sound played by the audio generator through the microphone, and generates the second value X after receiving the second test sound through the microphone Y, the memory stores the first value X and the second value Y, the audio control interface outputs audio commands to the mobile computing device; the audio playback unit is removably coupled to the mobile computing device, and the audio playback unit receives audio from the audio control interface Command and play the second test sound to the microphone; the arithmetic unit obtains the correction value through the relationship of Z+(YX) for the hearing detection device to perform the hearing detection program according to the correction value and the audio playback unit.

Furthermore, in the audio correction system, the number of sound source generators is a plurality, the cloud server stores a plurality of sound pressure levels corresponding to different sound source generators, and the computing unit is identified based on the product corresponding to any sound source generator Code to obtain one of the sound pressure levels.

Furthermore, in the audio correction system, the product identification code includes a character code, a one-dimensional bar code, a two-dimensional bar code or a quick response matrix code.

Furthermore, in the audio correction system, the audio playback unit includes an in-ear earphone, an over-ear earphone, an air conduction hearing aid, a bone conduction hearing aid, or a middle ear implant.

Furthermore, in the audio calibration system, the mobile computing device further includes a display unit, which is coupled to the computing unit and displays the sound pressure level, the first value, and the second value.

Furthermore, in the audio calibration system, the audio commands are stored in the memory or the cloud server, and the audio control interface obtains the audio commands from the memory or the cloud server.

Furthermore, in the audio calibration system, the cloud server stores the sound pressure level of the first test sound at at least one of the frequencies of 500 Hz, 1000 Hz, 2000 Hz, and 4000 Hz.

Furthermore, the audio calibration system further includes an identity recognition module coupled to a cloud server. The identity recognition module receives identity recognition data from the user, and adjusts the processing unit to be stored in the cloud server according to the identity recognition data. Access rights to the sound pressure level of the device.

Furthermore, in the audio correction system, the identification data includes e-mail information, password information, fingerprint information, finger vein information, voiceprint information, facial image information, or retina information.

Furthermore, in the audio correction system, the identity recognition module includes a server, a workstation, a fingerprint sensor, a finger vein sensor, a microphone, a camera, or a retina sensor.

When using the audio calibration system described in this creation, the audio generator captures the first test sound from the cloud server, and the audio generator plays the first test sound. At this time, the computing unit of the mobile computing device receives the first test sound through the microphone. After the test sound, the first value X is generated; then, the audio playback unit receives the audio command from the audio control interface of the mobile computing device, and plays the second test sound to the microphone, and the computing unit generates the second value Y after receiving the second test sound through the microphone ; Finally, the arithmetic unit obtains the correction value through the relationship of Z+(YX), for the hearing detection device to perform the hearing detection procedure according to the correction value and the audio playback unit. The relational expression of Z+(YX) means that the correction value of the audio playback unit relative to the first test sound stored in the cloud server can be obtained without additional special calibration of the microphone and audio playback unit. It is limited to the microphone and audio playback unit that can be selected, so you can use general mobile computing devices such as laptops or mobile phones, coupled with any pluggable audio playback unit to operate the creative system. The calibration value allows the mobile computing device to dynamically adjust according to different audio playback units, and allows the mobile computing device to continuously generate calibration values when the audio playback unit is removably plugged in and out, which can take care of multiple users Under the personal hygiene conditions (different users do not share audio playback units, such as earphones), while eliminating the need for users to make special appointments and go to professional testing units or purchase expensive professional testing equipment, it is convenient for most users The person undergoes a hearing test.

For this reason, the audio correction system described in this creation solves the technical problem of the prior art requiring fully calibrated professional equipment to obtain the hearing curve corresponding to different users, which can help users save time and cost, and achieve users The purpose of facilitating hearing test.

In order to have a better understanding of the techniques, methods and effects adopted by this creation to achieve the intended purpose, please refer to the detailed description and drawings of this creation below. I believe that the features and characteristics of this creation can be obtained from this in-depth and specific understanding However, the attached drawings are only provided for reference and explanation, and are not used to limit the creation.

The following is a specific embodiment to illustrate the implementation of this creation. Those familiar with this technology can easily understand the other advantages and effects of this creation from the content disclosed in this specification. This creation can also be implemented or applied by other different specific examples, and various details in this creation manual can also be modified and changed based on different viewpoints and applications without departing from the spirit of this creation.

It should be noted that the structure, ratio, size, number of components, etc. shown in the accompanying drawings in this manual are only used to match the content disclosed in the manual for the understanding and reading of those familiar with this technology, and are not intended to limit the creative possibilities. The limited conditions of implementation do not have any technical significance. Any structural modification, proportional relationship change, or size adjustment, without affecting the effects and goals that can be achieved by this creation, should fall into this The technical content revealed by the creation can be covered.

The technical content and detailed description of this creation are described below with the diagrams.

Please refer to FIG. 1 and FIG. 2, which are schematic diagrams of the structure of the first embodiment of the creative audio correction system. The audio correction system proposed in this creation is applied to the hearing detection device 1. The audio correction system includes: an audio generator 10, a cloud server 20, a mobile computing device 30, and an audio playback unit 40. Among them, the sound source generator 10 retrieves and plays the first test sound 21 from the cloud server 20. In the described embodiment of this creation, the sound source generator 10 can be tuned and has a fixed acoustic pressure (acoustic pressure). In physics, the sound pressure refers to the vibration caused by the sound wave passing through the medium. The amount of change in pressure generated. When a sound wave propagates in the air as a longitudinal wave, the density and pressure between air particles will change with the sound wave. This change is the sound pressure. In the International System of Units, the unit of sound pressure is Pascal/Pa (Pa).

The cloud server 20 can be selectively coupled to the sound source generator 10 by wire or wirelessly. The cloud server 20 stores the first test sound 21 and the sound pressure of the first test sound 21 at any frequency between 500 Hz and 4000 Hz. Level Z. Furthermore, the sound pressure level (SPL) refers to the "effective sound pressure" measured by a logarithmic scale relative to a reference value, with decibels (dB) as a unit. For normal human hearing, the most sensitive frequency range for hearing is between 2000 Hertz (Hz) and 5000 Hertz (Hz), and the threshold of hearing is about 2×10-5 Pa, so this is usually As the reference value of sound pressure level. That is, for a young and middle-aged person with normal hearing, the sound needs to produce at least about 2×10-5 Pa pressure before it can be felt. The sound pressure in the air can be measured with a microphone, and the sound pressure in the water can be measured with a hydrophone. Furthermore, the cloud server 20 can store the sound pressure level of the first test sound 21 at least one of the frequencies of 500 hertz (Hz), 1000 hertz (Hz), 2000 hertz (Hz), and 4000 hertz (Hz), The unit is dB(SPL). In the first embodiment of this creation, the sound pressure level Z may be 70 dB (SPL) and the cloud server 20 may be a workstation, a database, or a server.

In the first embodiment of the present creation, the number of sound source generators 10 may be multiple, the cloud server 20 stores multiple sound pressure levels Z corresponding to different sound source generators 10, and the computing unit 32 corresponds to any one The product identification code (not shown in the figure) of the sound generator 10 obtains one of the sound pressure levels Z. Furthermore, the product identification code can include character codes, one-dimensional barcodes, two-dimensional barcodes, or QR codes, and can be sold as a group with the sound generator 10.

The mobile computing device 30 is coupled to the cloud server 20. The mobile computing device 30 includes a microphone 31, a computing unit 32, a memory 33 and an audio control interface 34, and the computing unit 32 is coupled to the microphone 31, the memory 33 and the audio control interface 34. The arithmetic unit 32 generates the first value X after receiving the first test sound 21 played by the sound source generator 10 through the microphone 31. Simultaneously or consecutively, the computing unit 32 generates the second value Y after receiving the second test sound 41 through the microphone 31. The memory 33 stores the first value X and the second value Y. The audio control interface 34 outputs audio commands 341 to the audio playback unit 40 outside the mobile computing device 30. The audio command 341 can be stored in the memory 33 or the cloud server 20, and the audio control interface 34 obtains the audio command 341 from the memory 33 or the cloud server 20. Furthermore, the microphone 31 may be a general dynamic microphone, a condenser microphone, an electret condenser microphone, a microelectromechanical microphone (mems microphone), and an aluminum ribbon microphone. The microphone (ribbon microphone), carbon microphone (carbon microphone), and can be omnidirectional (omnidirectional), single-directional (cardioid/hypercardioid) or bi-directional (bi-directional/figure-of-8) mode operation . The computing unit 32 may include one of a microcontroller (MCU), a microprocessor (MPU), a central processing unit (CPU), an application-specific integrated circuit (ASIC), or a system-on-chip (SoC). The microcontroller may also include a circuit board based on the Arduino machine code architecture. The system-on-chip can be a Raspberry Pi, and its model can be 1A, 1A+, 1B, 1B+, 2B, 3B, 3B+, 3A+, or 4B. The memory 33 can be an EEPROM or NAND Flash or other non-volatile data storage medium. The audio control interface 34 may be application software that can be installed in the mobile computing device 30. For example, the mobile computing device 30 may be a smart phone, a laptop, a personal digital assistant (PDA), etc., and the audio control The interface 34 may be an application program installed through portal sites such as Apple Store or Google Play. However, the foregoing is only illustrative, and this creation is not limited by the foregoing.

The audio playback unit 40 is removably coupled to the mobile computing device 30. The audio playback unit 40 receives the audio command 341 from the audio control interface 34 and plays the second test sound 41 to the microphone 31. The audio playback unit 40 may include a speaker, an in-ear earphone, an over-ear earphone, an air conduction hearing aid, a bone conduction hearing aid, or a middle ear implant. The speakers may also be electrodynamic speakers, electromagnetic speakers, piezoelectric speakers (piezoelectric speakers), electrode speakers, or plasma arc speakers. Among them, the computing unit 32 obtains the correction value 321 through the relational expression of Z+(Y-X) for the hearing detection device 1 to perform the hearing detection program according to the correction value 321 and the audio playback unit 40. In practice, the mobile computing device 30 (such as a mobile phone) and the audio playback unit 40 (such as a headset) can be switched to hearing detection after the audio calibration is completed, and the hearing detection can be performed directly without an external device. However, this creation is not limited by this.

Please refer to FIG. 3, which is a schematic structural diagram of the second embodiment of creating a hearing compensation module. The second embodiment of the present creation is roughly the same as the first embodiment of the foregoing creation, but it further includes an identity recognition module 50 coupled to the cloud server 20. The identity recognition module 50 is from the user (not shown in the figure). ) Receive the identification data 51, and adjust the access authority of the computing unit 32 to the sound pressure level Z stored in the cloud server 20 according to the identification data 51. In the second embodiment of the present creation, the identity recognition data 51 may include e-mail information, password information, fingerprint information, finger vein information, voiceprint information, facial image information, or retinal information, and the identity recognition model Group 50 includes servers, workstations, fingerprint sensors, finger vein sensors, microphones, cameras or retinal sensors.

Please refer to FIG. 4, which is a schematic structural diagram of the third embodiment of creating a hearing compensation module. The first embodiment of the aforementioned invention of the invention is substantially the same, but it further includes a display unit 35. The display unit 35 is coupled to the computing unit 32 and displays the sound pressure level Z, the first value X, and the second value Y. Wherein, the display unit 35 may be a liquid crystal display (LCD), a light emitting diode (LED), an organic light emitting diode (OLED), a quantum dot organic light emitting diode (QD-OLED), or a sub-millimeter light emitting diode. It is composed of mini-LED, micro-LED, indium gallium zinc oxide (IGZO) or electronic paper (e-Paper).

When using the audio calibration system of this creation, the audio generator 10 retrieves the first test sound 21 from the cloud server 20, and the audio generator 10 plays the first test sound 21. At this time, the mobile computing device 30 performs The unit 32 generates the first value X after receiving the first test sound 21 through the microphone 31. Then, the audio playback unit 40 receives the audio command 341 from the audio control interface 34 of the mobile computing device 30, and plays the second test sound 41 to the microphone 31, and the computing unit 32 generates the second value Y after receiving the second test sound 41 through the microphone 31 . Finally, the arithmetic unit 32 obtains the correction value 321 through the relational expression of Z+(Y-X) for the hearing detection device 1 to perform the hearing detection procedure according to the correction value 321 and the audio playback unit 40. The relational expression of Z+(YX) means that the calibration of the audio playback unit 40 with respect to the first test sound 21 stored in the cloud server 20 can be obtained without additional special calibration of the microphone 31 and the audio playback unit 40. The value is 321. Since the microphone 31 and audio playback unit 40 are not limited to be selected, you can use a general mobile computing device 30 such as a laptop or a mobile phone, together with any pluggable audio playback unit 40, to operate this creation的系统。 The system. The correction value 321 allows the mobile computing device 30 to dynamically adjust according to different audio playback units 40, and allows the mobile computing device 30 to continuously generate the correction value 321 when the audio playback unit 40 is removable. Taking into account the personal hygiene of most users (audio playback unit 40, such as earphones) is not shared between different users, and at the same time avoiding the time consumption of users needing to make special appointments and visiting professional testing units or purchasing expensive professional testing equipment It is convenient for most users to perform hearing test.

For this reason, the audio correction system described in this creation solves the technical problem of the prior art requiring fully calibrated professional equipment to obtain the hearing curve corresponding to different users, which can help users save time and cost, and achieve users The purpose of facilitating hearing test.

The above are only detailed descriptions and drawings of the preferred specific embodiments of this creation, but the features of this creation are not limited to this, and are not intended to limit this creation. All scopes of this creation should be covered by the following patent application scope As the criterion, all embodiments that conform to the spirit of the patent application for this creation and similar changes should be included in the scope of this creation. Anyone familiar with the art in the field of creation can easily think of changes or Modifications can be covered in the following patent scope of this creation.

1: Hearing detection device

10: Sound generator

20: Cloud server

21: The first test sound

30: mobile computing device

31: Microphone

32: arithmetic unit

33: Memory

34: Audio control interface

35: display unit

40: Audio playback unit

41: second test sound

50: Identity Recognition Module

51: Identification data

321: Correction value

341: Audio Command

X: the first value

Y: second value

Z: Sound pressure level

Figures 1 and 2 are schematic diagrams of the first embodiment of the creative audio correction system;

3 is a schematic diagram of the structure of the second embodiment of the creative audio correction system; and

FIG. 4 is a schematic diagram of the structure of the third embodiment of the creative audio correction system.

1: Hearing detection device

10: Sound generator

20: Cloud server

21: The first test sound

30: mobile computing device

31: Microphone

32: arithmetic unit

33: Memory

34: Audio control interface

40: Audio playback unit

41: second test sound

341: Audio Command

Claims (10)

An audio correction system applied to a hearing detection device, the audio correction system includes: A sound source generator, playing a first test sound, the first test sound having a sound pressure level Z of any frequency between 500 Hz and 4000 Hz; A cloud server; A mobile computing device coupled to the cloud server, the mobile computing device including a microphone, a computing unit, a memory, and an audio control interface, and the computing unit is coupled to the microphone, the memory and the audio control interface Wherein, the arithmetic unit generates a first value X after receiving the first test sound played by the sound source generator through the microphone, and the arithmetic unit generates a second value Y after receiving a second test sound through the microphone; the The memory stores the first value X and the second value Y; the audio control interface outputs an audio command to the outside of the mobile computing device; and An audio playback unit, removably coupled to the mobile computing device, the audio playback unit receives the audio command from the audio control interface, and plays the second test sound to the microphone; Wherein, the arithmetic unit obtains a correction value through the relational expression of Z+(Y-X) for the hearing detection device to perform a hearing detection procedure according to the correction value and the audio playback unit. The audio correction system according to claim 1, wherein the number of the sound source generators is a plurality, the cloud server stores a plurality of the sound pressure levels corresponding to different sound source generators, and the computing unit corresponds to any one A product identification code of the sound generator obtains one of the sound pressure levels Z from the cloud server, or the computing unit directly reads the content of the product identification code to obtain one of the sound pressure levels Z. The audio correction system according to claim 2, wherein the product identification code includes a character code, a one-dimensional bar code, a two-dimensional bar code or a quick response matrix code. The audio correction system according to claim 1, wherein the audio playback unit includes an in-ear earphone, an over-ear earphone, an air conduction hearing aid, a bone conduction hearing aid or a middle ear implant. The audio calibration system according to claim 1, wherein the mobile computing device further includes a display unit, the display unit is coupled to the computing unit, and displays the sound pressure level, the first value, and the second value. The audio calibration system according to claim 1, wherein the audio command is stored in the memory or the cloud server, and the audio control interface obtains the audio command from the memory or the cloud server. The audio calibration system according to claim 1, wherein the cloud server stores the sound pressure level of the first test sound at at least one of frequencies of 500 Hz, 1000 Hz, 2000 Hz, and 4000 Hz. The audio calibration system according to claim 1, further comprising an identity recognition module coupled to the cloud server, the identity recognition module receives an identity recognition data from a user, and adjusts the calculation according to the identity recognition data The unit has access authority to the sound pressure level stored in the cloud server. The audio correction system according to claim 8, wherein the identification data includes an e-mail box information, a password information, a fingerprint information, a finger vein information, a voiceprint information, a face image information or a retina information . The audio correction system according to claim 8, wherein the identity recognition module includes a server, a workstation, a fingerprint sensor, a finger vein sensor, a microphone, a camera, or a retina sensor.

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