WO2020220271A1 - Mémoire, unité acoustique et procédé de traitement audio et appareil associé, dispositif et système - Google Patents

Mémoire, unité acoustique et procédé de traitement audio et appareil associé, dispositif et système Download PDF

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Publication number
WO2020220271A1
WO2020220271A1 PCT/CN2019/085215 CN2019085215W WO2020220271A1 WO 2020220271 A1 WO2020220271 A1 WO 2020220271A1 CN 2019085215 W CN2019085215 W CN 2019085215W WO 2020220271 A1 WO2020220271 A1 WO 2020220271A1
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Prior art keywords
audio
user
sound intensity
intensity correction
sound
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PCT/CN2019/085215
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English (en)
Chinese (zh)
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徐俊丽
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徐俊丽
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Priority to PCT/CN2019/085215 priority Critical patent/WO2020220271A1/fr
Priority to CN201980095962.0A priority patent/CN114173652A/zh
Publication of WO2020220271A1 publication Critical patent/WO2020220271A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/12—Audiometering

Definitions

  • the present invention relates to the field of acoustics, and in particular, to a memory, an acoustic unit and an audio processing method, device, equipment and system thereof.
  • acoustic units such as earphones, speakers, or speakers
  • people have higher and higher requirements for user experience when these acoustic units are used.
  • the way to improve the acoustic unit by improving the sound reproduction has at least the following defects:
  • Improving the sound reproduction degree of the acoustic unit cannot effectively improve the use experience of all users, and cannot meet the needs of all users for auditory effects.
  • the purpose of the present invention is to solve the problem that the sound effect of the acoustic unit cannot satisfy the hearing experience of all users, and provides a memory, an acoustic unit and an audio processing method, device, equipment and system thereof.
  • the present invention provides an audio processing method for an acoustic unit, including:
  • the sound intensity correction rule generate the sound intensity correction value of the currently acquired audio data in real time
  • the corrected audio data is sent to the sound module of the acoustic unit.
  • the preset sound frequency range includes:
  • the present invention also provides a memory, the memory includes a non-transitory computer-readable storage medium, the non-transitory computer-readable storage medium stores a computer executable Instructions, the computer-executable instructions are used to execute the methods described in the above aspects and achieve the same technical effects.
  • the present invention also provides an audio processing device for an acoustic unit, including a computer program stored in a memory, the computer program including program instructions, when the program When the instructions are executed by a computer, the computer can execute the methods described in the above aspects and achieve the same technical effects.
  • the present invention also provides an audio processing device for an acoustic unit, including:
  • Audio receiving module for receiving audio data
  • the storage module is used to store the user's sound intensity correction rules; the method for generating the sound intensity correction rules includes: generating a sound intensity corresponding to the user using the user's hearing curve as a parameter according to a preset sound intensity correction algorithm Modification rules; the hearing curve is used to characterize the user's hearing sensitivity for different sound frequencies within the preset sound frequency range;
  • a processing module configured to generate a sound intensity correction value of the currently acquired audio data in real time according to the sound intensity correction rule; and correct the audio data in real time according to the sound intensity correction value;
  • the audio output module is used to output the corrected audio data.
  • the acoustic unit includes earphones or speakers
  • the audio processing device further includes an audio plug for connecting with the audio source providing equipment;
  • the audio receiving unit for receiving audio data from the audio source providing device is connected to the audio plug circuit;
  • the audio output module includes an audio jack and/or a wireless audio component adapted to the acoustic unit.
  • the audio plug is adapted to a 2.5mm earphone jack or a 3.5mm earphone jack; the output module is adapted to a 2.5mm earphone, a 3.5mm earphone or a Bluetooth earphone.
  • it also includes a power supply line;
  • the power supply line is connected to the microphone access port circuit of the audio plug, and is used for supplying power to the storage unit and/or the processing unit.
  • the present invention also provides an acoustic unit, including an audio plug, a sounding module, and the above audio processing device for the acoustic unit.
  • the audio receiving module receives the audio data of the audio source through the circuit connection with the audio plug;
  • the audio output module transmits the corrected audio data to the sound module by connecting with the circuit of the sound module.
  • the present invention also provides a sound intensity correction system for an acoustic unit, including a hearing test device, and, the above-mentioned acoustic unit or an audio processing device for the acoustic unit;
  • the hearing test device is used to obtain a user's hearing curve, and according to a preset sound intensity correction algorithm, using the hearing curve as a parameter to generate a sound intensity correction rule corresponding to the user; the hearing curve is used to characterize the user's hearing curve.
  • the user's hearing sensitivity to sounds of different frequencies within the preset sound frequency range is described.
  • the memory, acoustic unit and its acoustic signal processing method, device, equipment and system provided by the present invention first obtain the user’s hearing curve, so as to know the difference in the user’s perception of sound at different frequencies; then, By generating personalized sound intensity correction rules for users, the original audio data can be corrected by strengthening the sound intensity in the sound frequency area with lower auditory sensitivity, so that users can listen to each sound in the audio A consistent auditory effect can be obtained at all frequencies, avoiding the loss of sound content in the frequency part where the hearing is weak, and thus effectively improving the user's auditory experience.
  • Figure 1 is a schematic diagram of the steps of the audio processing method in an embodiment of the present invention.
  • Figure 2 is a schematic diagram of the hearing curve in an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of the audio processing device in an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of the structure of the acoustic unit in the embodiment of the present invention.
  • Fig. 5 is a schematic diagram of the hardware structure of the audio processing device in an embodiment of the present invention.
  • the acoustic unit described in the embodiment of the present invention may be a device that converts audio data into sound, such as a headset, a speaker, or a speaker.
  • the reason for improving the sound reproduction of the acoustic unit cannot effectively improve the experience of all users, and cannot meet the needs of all users for auditory effects.
  • the reason is that each user has different perception characteristics of sound.
  • the range of human perception of sound is generally between 10HZ-22HZ. In this frequency range, the specific structure of the human cochlea can decompose the received sound into resonances in various frequency bands.
  • the intensity is transmitted to the brain through the cilia of the nerve endings, so that humans can hear (perceive) sounds in various frequency bands; due to factors such as age, environmental noise, disease or accidents, certain human auditory nerve endings will be caused to varying degrees
  • the wear and tear often makes each user's perception of different frequencies of sound different to different degrees; for example, under the same sound intensity, older users tend to be sensitive to the sound of certain frequency bands in high-frequency sound Low, when the sound intensity of these frequency bands is low, the user will not hear clearly; that is to say, when the music they listen to includes both low-frequency content and high-frequency sound content, the user will often be unable to Listening to low frequency content clearly perceives high frequency content in music.
  • an embodiment of the present invention provides an audio processing method for an acoustic unit, as shown in FIG. 1, including:
  • the user's hearing wear level needs to be tested and quantified with a single-frequency sound through a standard program (that is, quantized into a certain volume value in decibels).
  • the decibel value of hearing sensitivity in each frequency band of each ear of each person is different.
  • the hearing curve corresponding to the user can be obtained (the hearing curve can be divided into left ear and right ear).
  • the specific method can be As shown in Figure 2, in Figure 2, the ordinate is the decibel value, and the abscissa is the frequency value.
  • the dot (sensing point) in the figure is the decibel value of the lowest sound that a user can perceive at the corresponding frequency point. (The decibel value can characterize the hearing sensitivity of a certain ear of the user at a corresponding frequency point).
  • interval between the frequency points used as the perception points when acquiring the user's hearing curve can be set by those skilled in the art based on experience, and is not specifically limited here.
  • the method for acquiring the hearing curve in the embodiment of the present invention may also be other methods in the prior art, and is not limited to the method disclosed above in the embodiment.
  • the sound intensity correction algorithm in the embodiment of the present invention may preset a standard hearing curve, and then set the sound intensity correction value of the user at each preset frequency point according to the difference between the user’s hearing curve and the standard hearing curve. Generate rules.
  • the corresponding sound intensity correction curve can determine the required sound intensity correction for different frequencies.
  • the degree of sound intensity correction required by the user from the inability to hear the sound to achieve a comfortable voice is also different.
  • Using a uniform compensation coefficient or compensation method in each frequency band may cause some
  • the sound intensity compensation amplitude of some frequency bands is too large, or the sound intensity correction amplitude of some frequency bands is insufficient; in order to be able to generate sound intensity correction values for users more accurately, and avoid excessive or insufficient correction, further, embodiments of the present invention
  • the preset empirical formula can also include multiple, so that according to the difference between the user’s hearing curve and the standard hearing curve, different sound frequency bands use different empirical formulas to calculate the sound corresponding to each different sound frequency band. Strong correction value.
  • the frequency band where the difference between the user's hearing curve and the standard hearing curve exceeds the preset threshold is determined as the frequency band to be corrected; then, according to the empirical formula, a corresponding sound intensity correction value can be set for each frequency band to be corrected for the user.
  • the sound intensity correction value in the embodiment of the present invention can be either a positive value or a negative value, that is, it can either enhance the sound intensity of audio data in a certain frequency band, or weaken audio in a certain frequency band.
  • the sound intensity of the data and the method for determining the specific sound intensity correction value can be obtained by those skilled in the art according to actual needs or a limited number of experiments, which is not specifically limited here.
  • the sound intensity correction rule can include: in the 80HZ-90HZ interval, when the sound intensity value of the audio data is less than 35 decibels, according to the empirical formula, the sound intensity value of the audio data is enhanced to 35 decibels or one of 35 decibels or more.
  • the expected sound intensity value suitable for user A's hearing preferably, the range of the sound intensity value output by the acoustic unit can be controlled (mapped) within 35 to 120 decibels.
  • the original audio data of the audio content needs to be preprocessed based on the above sound intensity correction rules; specifically, the original The current frequency value and sound intensity value of the audio data, and the corresponding sound intensity correction value is generated in real time.
  • the frequency value of a certain time point (or time period) in the original audio data is 85HZ and the sound intensity is 30 decibels, it is necessary to calculate in real time to enhance the sound intensity value of the currently acquired original audio data to the expected sound intensity value The required sound intensity correction value.
  • the degree of sound intensity correction required for corresponding correction of the current audio data can be determined, so that the sound intensity of the corrected audio data can meet the hearing needs of the user.
  • the sound module of the acoustic unit such as earphones or speakers generally uses audio data as electrical signals, and generates sound waves by converting the electrical signals into mechanical vibrations, thereby realizing the playback of sound content. Because the original audio can be played by the embodiment of the present invention. The data is corrected, so the user can hear the sound content played by the earphone or speaker more clearly by increasing the sound intensity in the frequency range where the user’s hearing is impaired, thereby avoiding the user’s personal hearing problems caused by Loss of reception of certain sound content.
  • each step in the embodiment of the present invention may be implemented by multiple devices operating in cooperation, or may be implemented by one device.
  • the two steps of obtaining the hearing curve and generating the sound intensity reinforcement rules corresponding to the user in step S11 and step S12 can be implemented by a single device. Or it can be implemented separately through two devices.
  • the device can be a mobile terminal such as a mobile phone or a PAD, or a computer, or a dedicated hearing curve test device.
  • Steps S13 to S15 in the embodiment of the present invention can be implemented in another device, that is, as an audio processing device for an acoustic unit to implement the implementation audio processing steps in step S13 to step S15; the audio processing device can Independently, it can also be used as an accessory part of earphones or speakers; when the audio processing device exists independently, the audio processing device can be adapted to the audio source device on the one hand to obtain the original audio data, on the other hand it can be adapted to earphones or speakers To provide the corrected audio data.
  • the user’s hearing curve is first obtained, so that the user’s perception of the difference in sound at different frequencies can be known; then, by generating personalized sound intensity correction rules for the user, In the sound frequency area where the user’s auditory sensitivity is low, the original audio data is modified by strengthening the sound intensity, so that the user can obtain a consistent auditory effect on each sound frequency in the audio that he listens to, and avoid The weaker-hearing frequency part loses the sound content, thereby effectively improving the user's hearing experience.
  • an audio processing device for an acoustic unit including:
  • the audio receiving module 11 is used to receive audio data; the storage module 12 is used to store the user’s sound intensity correction rules; the method of generating the sound intensity correction rules includes: according to a preset sound intensity correction algorithm, the user’s hearing
  • the curve is a parameter to generate a sound intensity correction rule corresponding to the user; the hearing curve is used to characterize the user's hearing sensitivity to different sound frequencies within the preset sound frequency range; the processing module 13 is used to generate the sound intensity according to the sound intensity
  • the correction rule is to generate the sound intensity correction value of the currently acquired audio data in real time; and to correct the audio data in real time according to the sound intensity correction value; the audio output module 14 is used to output the corrected audio data.
  • the audio processing device for the acoustic unit in the embodiment of the present invention can exist independently, or can be used as an accessory part of the acoustic unit such as earphones or speakers.
  • the audio processing device can be adapted to the audio source device on the one hand to obtain the original audio data, and on the other hand it can be adapted to the acoustic unit such as headphones or speakers to provide the corrected audio data;
  • the audio processing device also includes an audio plug for connecting with the audio source providing equipment; the audio receiving unit 11 for receiving audio data from the audio source providing equipment is connected to the audio plug circuit; the audio output module 14 includes an audio plug adapted to the acoustic unit Audio jack and/or wireless audio components.
  • the audio processing device serves as a switching device for the acoustic unit, and on the other hand, it can also perform pre-processing on audio data;
  • the audio plug of the audio processing device can be an audio plug that is adapted to a 2.5mm headphone jack or a 3.5mm headphone jack , Used to plug in the audio source;
  • the audio output module 14 of the audio processing device may also include a jack adapted to the acoustic unit (compatible with a 2.5mm earphone plug or a 3.5mm earphone plug), or the audio of the audio processing device
  • the output module 14 may also include a wireless audio data output component adapted to a Bluetooth headset; in this way, when the audio processing device in the embodiment of the present invention is plugged into the audio source, the original audio from the audio source can be received through the audio receiving module 11
  • the storage module 12 in the embodiment of the present invention also stores the user’s sound intensity correction rules; in this way, the processing module 13 in the embodiment of the present
  • the acquisition of the hearing curve corresponding to the user and the generation of the sound intensity correction rule can be implemented by a single device or by two devices separately.
  • the equipment may include mobile terminals such as mobile phones and PADs, or a computer, or a dedicated hearing curve test equipment.
  • a power supply line may also be included; the power supply line is connected to the microphone access port circuit of the audio plug, and is used for supplying power to the storage unit and/or the processing unit.
  • the audio plug includes three-stage and four-stage structures.
  • the four-stage structure includes a line for connecting the microphone's microphone access port.
  • the access current when the connection line is connected is used to supply power to the storage module and the processing module in the audio processing device, so that the audio processing device in the embodiment of the present invention does not need a separate power supply.
  • the module in this way, not only simplifies the overall structure of the audio processing device, reduces the production cost, but also avoids the inconvenience in use of the audio processing device due to battery life issues.
  • an acoustic unit is also provided, as shown in FIG. 4, including an audio plug 02, a sounding module 03 and an audio processing device 01 for the acoustic unit;
  • the acoustic unit in the embodiment of the present invention may be an earphone or a speaker.
  • the earphone includes an audio plug 02, a sounding module 03, and an audio processing device 01; the audio processing device is provided on the audio plug 02 and the sounding module 03 and respectively connected to the audio plug 02 and the sound module 03 circuit; among them, the audio processing device 01 includes: an audio receiving module for receiving audio data; a storage module for storing the user's sound intensity correction rules; sound intensity correction
  • the method of generating the rules includes: according to a preset sound intensity correction algorithm, the user’s hearing curve is used as a parameter to generate a sound intensity correction rule corresponding to the user; the hearing curve is used to characterize the user’s response to different sound frequencies within the preset sound frequency range.
  • processing module used to generate the sound intensity correction value of the currently acquired audio data in real time according to the sound intensity correction rules; and correct the audio data in real time according to the sound intensity correction value
  • audio output module used to output to the sound module Corrected audio data.
  • the working process of the embodiment of the present invention may be that the audio receiving module receives the original audio data of the audio source through the circuit connection of the audio plug 02; then, the storage module in the embodiment of the present invention also stores the user's sound intensity correction rules; , The processing module in the embodiment of the present invention can generate the sound intensity correction value of the currently acquired original audio data in real time according to the sound intensity correction rule; and correct the audio data in real time according to the sound intensity correction value; finally, pass The audio output module can then output the corrected audio data to the sounding module 03; thus, the user can listen to the corrected audio data.
  • the acquisition of the hearing curve corresponding to the user and the generation of the sound intensity correction rule can be implemented by a single device or by two devices separately.
  • the equipment may include mobile terminals such as mobile phones and PADs, or a computer, or a dedicated hearing curve test equipment.
  • a sound intensity correction system for the acoustic unit is also provided.
  • the hearing test device also includes: the audio for the acoustic unit recorded in the embodiment corresponding to FIG. 3
  • the hearing test device is used to obtain the user's hearing curve, and according to the preset sound intensity correction algorithm, the hearing curve is used as a parameter to generate sound intensity correction rules corresponding to the user; the hearing curve is used to characterize the user's preset sound frequency range The auditory sensitivity of sounds at different frequencies within.
  • the embodiment of the present invention is implemented through the cooperative operation of multiple devices, where the hearing test device can be a mobile terminal such as a mobile phone, a PAD, etc., a computer, or a dedicated hearing curve test device;
  • the cooperative operation of the hearing test device and the audio processing device or the acoustic unit including the audio processing device constitutes the sound intensity correction system for the acoustic unit in the embodiment of the present invention.
  • the audio processing device in the embodiment of the present invention can exist independently or as an accessory part of earphones or speakers; when the audio processing device exists independently, the audio processing device can be adapted to the audio source device to obtain the original On the other hand, it can be adapted to earphones or speakers to provide corrected audio data.
  • a memory is also provided.
  • the memory may be a non-transitory (non-volatile) computer storage medium, and the computer storage medium stores computer-executable instructions, which can execute Each step of the audio processing method for the acoustic unit in any of the above method embodiments achieves the same technical effect.
  • an audio processing device for an acoustic unit is also provided.
  • the memory included in the audio processing device for the acoustic unit includes a corresponding computer program product, and the computer program product includes When the program instructions are executed by a computer, the computer can execute the audio processing method for the acoustic unit described in the above aspects, and achieve the same technical effect.
  • FIG. 5 is a schematic diagram of the hardware structure of an audio processing device for an acoustic unit used as an electronic device in an embodiment of the present invention.
  • the device includes one or more processors 610 and a memory 620. Take a processor 610 as an example.
  • the processor 610 and the memory 620 may be connected through a bus or in other ways. In FIG. 5, the connection through the bus 630 is taken as an example.
  • the memory 620 can be used to store non-transitory software programs, non-transitory computer executable programs, and modules.
  • the processor 610 executes various functional applications and data processing of the electronic device by running non-transitory software programs, instructions, and modules stored in the memory 620, that is, realizing the processing methods of the foregoing method embodiments.
  • the memory 620 may include a program storage area and a data storage area.
  • the program storage area may store an operating system and an application program required by at least one function; the data storage area may store data and the like.
  • the memory 620 may include a high-speed random access memory, and may also include a non-transitory memory, such as at least one magnetic disk storage device, a flash memory device, or other non-transitory solid-state storage devices.
  • the memory 620 may optionally include memories remotely provided with respect to the processor 610, and these remote memories may be connected to the processing device through a network. Examples of the aforementioned networks include but are not limited to the Internet, corporate intranets, local area networks, mobile communication networks, and combinations thereof.
  • the one or more modules are stored in the memory 620, and when executed by the one or more processors 610, execute:
  • the sound intensity correction rule generate the sound intensity correction value of the currently acquired audio data in real time
  • the corrected audio data is sent to the sound module of the earphone.
  • a person of ordinary skill in the art can understand that all or part of the steps in the above method embodiments can be implemented by a program instructing relevant hardware.
  • the foregoing program can be stored in a computer readable storage medium. When the program is executed, it is executed. Including the steps of the foregoing method embodiment; and the foregoing storage medium includes: ROM, RAM, magnetic disk, or optical disk and other media that can store program codes.

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Abstract

La présente invention concerne une mémoire, une unité acoustique et un procédé de traitement audio et un appareil associé, un dispositif et un système. Le procédé comprend : l'acquisition d'une courbe d'écoute d'un utilisateur (S11) ; la génération, en fonction d'un algorithme prédéfini de correction d'intensité sonore et de la prise de la courbe d'écoute en tant que paramètre, d'une règle de correction d'intensité sonore correspondant à l'utilisateur (S12) ; en fonction de la règle de correction d'intensité sonore, la génération, en temps réel, d'une valeur de correction d'intensité sonore pour les données audio actuellement acquises (S13) ; la correction, en temps réel, des données audio en fonction de la valeur de correction d'intensité sonore (S14) ; et l'envoi des données audio corrigées à un module de production de son d'une unité acoustique (S15). Le procédé permet à un utilisateur d'obtenir un effet auditif cohérent sur diverses fréquences sonores dans un élément audio écouté par l'utilisateur, ce qui permet d'éviter la perte de contenu sonore dans une partie de fréquence dans laquelle l'audition de l'utilisateur est faible, ce qui permet ainsi d'améliorer efficacement l'expérience d'écoute de l'utilisateur.
PCT/CN2019/085215 2019-04-30 2019-04-30 Mémoire, unité acoustique et procédé de traitement audio et appareil associé, dispositif et système WO2020220271A1 (fr)

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PCT/CN2019/085215 WO2020220271A1 (fr) 2019-04-30 2019-04-30 Mémoire, unité acoustique et procédé de traitement audio et appareil associé, dispositif et système
CN201980095962.0A CN114173652A (zh) 2019-04-30 2019-04-30 存储器、声学单元及其音频处理方法、装置、设备和系统

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CN114125686A (zh) * 2022-01-28 2022-03-01 广州市保伦电子有限公司 音源装置的音频特性取得方法、系统及存储介质
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