CN111193983A - Earphone sound coding regulation and control device and application method thereof - Google Patents
Earphone sound coding regulation and control device and application method thereof Download PDFInfo
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- 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
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- 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
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
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Abstract
The invention discloses an earphone sound coding regulation and control device, which comprises an earphone and a control terminal, and further comprises a multichannel receiver, a sound signal input device and a left and right ear independent signal clipping device, wherein the input ends of the left and right ear independent signal clipping devices are connected with the control terminal, the output ends of the left and right ear independent signal clipping devices are connected with the earphone, the input end of the multichannel receiver is connected with the sound signal input device, and the output end of the multichannel receiver is connected with the left and right ear independent signal clipping device. The application method of the device comprises the steps of installing professional APP, determining personal hearing state data, processing test data, listening to music, amplifying external sound sources and the like. The sound coding and regulating device of the earphone is characterized in that a sound coder is additionally arranged at the input end of the earphone to code and regulate the electric signal at the input end of the earphone, so that the envelope and the fine structure of the sound output by the earphone conform to the sound structure required by the hearing of human ears, and therefore, the sound can be protected, the hearing can be kept, and the risk of hearing loss can be reduced even when beautiful music is enjoyed.
Description
Technical Field
The invention relates to the field of audiology, in particular to an earphone sound coding regulation and control device and an application method thereof.
Background
At present, the output of high performance music headphones on the market uses frequency response characteristics as indicators, such as flat frequency response curve, wide enough bandwidth, and some stereo and spatial auditory control methods. For those with mild and moderate hearing loss, their hearing status has changed, and the above mentioned indicators are not sufficient. However, if they consider selecting hearing aid products, and the existing hearing aid products are designed to improve speech recognition rate by compensating for multi-channel output gain for people with hearing impairment of more than moderate degree, and reduce communication impairment, the output of sound is easily excessive for them. In summary, the listening devices (music headphones or hearing aid products) currently used by human beings only provide volume control, so that the pursuit of sound quality and loudness is excessive, and the reality that the pursuit of sound quality and shocking sound can further cause hearing loss is neglected. It is all the more likely that most music fevers have different degrees of hearing loss, and with age, hearing loss manifests itself primarily in an increase in the high frequency threshold (high frequency hearing loss). On the other hand, the triggered neurons usually in the positions where the low-frequency sound is perceived, because the energy consumption of the neurons in the parts for responding to the sound with different frequencies is different, the output of the flat frequency response curve of the earphone or the loudspeaker can cause over stimulation of a local or single frequency band, and the auditory neurons which are not damaged can start to generate hearing sensitivity decline due to the over stimulation along with the increase of the stimulation duration, so that hearing loss occurs.
In addition, the sound volume of the left and right ears of these music earphone products is uniformly controlled, and it is not considered that the hearing thresholds of the left and right ears of even a normal hearing person are different. Therefore, from the perspective of protecting hearing from hearing loss, there is a need to classify and manage earphones. Especially, the hearing of teenagers, which has very small hearing threshold, is extremely sensitive to sound stimulation, and is prone to hearing loss caused by long-term use of earphones for listening to music and overnight habits.
Disclosure of Invention
The invention aims to protect the hearing, improve the hearing and keep the clear listening on the basis of a high-performance earphone or a sound effect, provides an earphone sound coding and regulating device which can protect the hearing, keep the hearing and reduce the risk of hearing loss when enjoying beautiful music and a due method thereof, and at least can solve one of the problems.
In order to achieve the above object, according to one aspect of the present invention, there is provided an earphone sound coding control device, comprising an earphone and a control terminal, further comprising a multi-channel receiver, a sound signal input device, and left and right ear independent signal clipping devices, wherein the input end of the left and right ear independent signal clipping devices is connected to the control terminal, the output end is connected to the earphone, the input end of the multi-channel receiver is connected to the sound signal input device, and the output end is connected to the left and right ear independent signal clipping devices;
the sound signal input device is configured to input a sound signal;
the multichannel receiver is configured to receive the sound signals input by the sound signal input device and transmit the sound signals to the left and right ear independent signal clipping devices;
the left and right ear independent signal clipping device is configured to carry out integrated processing on signals from the multichannel receiver in advance according to the hearing states of the left and right ears of the human ears and the left and right ear difference values;
the control terminal is configured to control the left and right ear independent signal clipper to emit audio signals with different frequencies and different intensities, and the audio signals are output through the earphones.
Therefore, the earphone sound coding regulation and control device is characterized in that a sound coder is additionally arranged at the input end of the earphone to code and control the electric signal at the input end of the earphone, so that the sound envelope (envelope is a curve of the amplitude of a random process changing along with time) and the fine structure output by the earphone conform to the sound structure required by human ear hearing. Thus, the device of the present invention can protect hearing, maintain hearing, and reduce the risk of hearing loss even when enjoying delicate music.
In some embodiments, the sound signal input includes an audio player and a matrix microphone system. Therefore, the input end of the multi-channel receiver can be connected to the output end of an audio player to receive audio signals, or/and connected to a plurality of independent matrix microphone systems to pick up sounds in different directions and convert the sounds into digital audio signals. The output end is connected with the left and right ear independent signal clipping devices.
In some embodiments, the left and right ear independent signal clipper comprises a plurality of DSP processing chips, and the DSP processing chips are connected with the control terminal and the multi-channel receiver. Therefore, the DSP processing chip integrates and processes signals from the multichannel receiver in advance according to the hearing states of the left ear and the right ear and the difference value of the left ear and the right ear of a human ear, and carries out clipping on input signals of the left ear and the right ear respectively, wherein the clipping specifically refers to compressing over-stimulated sound, enhancing under-stimulated sound, modifying sound envelope and establishing a new binaural auditory effect.
In some embodiments, the earphone sound coding and controlling device further comprises a multi-channel output interface, one end of the multi-channel output interface is connected with the left and right ear independent signal clipping devices, and the other end of the multi-channel output interface is connected with the earphone to output sound.
In some embodiments, the earphone sound coding regulation and control device further comprises a data editing lead-in interface, one end of the data editing lead-in interface is connected with the left and right ear independent signal clipping devices, and the other end of the data editing lead-in interface is connected with the control terminal.
In some embodiments, the control terminal is a smartphone. Therefore, the professional APP is downloaded through the smart phone to control the left and right ear independent signal clipper to transmit audio signals with different frequencies and different intensities, the hearing states of the left and right ears are tested and left and right ear difference values are calculated through earphone output, and the measurement data are input into the left and right ear independent signal clipper to be integrated.
According to another aspect of the present invention, there is also provided an application method of the earphone sound coding and control device, including the following steps:
s1, installing professional APP: firstly, installing a professional APP in a control terminal;
s2, individual hearing status data measurement: connecting the control terminal with a data editing and importing interface of the earphone sound coding regulation and control device, connecting the earphone with a multi-channel output interface, and measuring the individual auditory state by a user through operating a professional APP by the control terminal to obtain corresponding hearing test data;
s3, processing of test data: after the test is finished, the control terminal transmits the data to the left and right ear independent signal clipping devices for integration processing;
s4, listening to music: after the earphone sound coding regulation and control device is debugged, the earphone sound coding regulation and control device can be connected with various audio players, and at the moment, the audio signals played by the audio players can be processed into the intensity according with the hearing state of a user. Therefore, when the earphone sound coding regulation and control device is connected with an audio player, the earphone sound coding regulation and control device is suitable for listening to music and the like.
In some embodiments, step S4 may also be:
s4, external sound source amplification: after the earphone sound coding regulation and control device is debugged, the earphone sound coding regulation and control device can be connected with a matrix microphone system to amplify an external sound source. Therefore, when the earphone sound coding regulation and control device is connected with the matrix microphone system, the earphone sound coding regulation and control device is suitable for people with great hearing loss, and the functions of the hearing aid are considered.
In some embodiments, in step S2, the personal auditory state determination process is specifically: the earphone plays audio signals with different frequencies and intensities, and the user responds to the heard signals so as to measure the hearing states of the left ear and the right ear.
Therefore, the earphone sound coding regulation and control device is convenient to operate, can meet different use requirements of users, and is high in functionality.
The invention has the beneficial effects that:
the earphone sound coding regulation and control device is characterized in that a sound coder is additionally arranged at the input end of an earphone, and the coding regulation and control of an electric signal at the input end of the earphone are carried out, so that the sound envelope (envelope is a curve of the amplitude of a random process changing along with time) and the fine structure output by the earphone conform to the sound structure required by human ear hearing. Thus, the device of the present invention can protect hearing, maintain hearing, and reduce the risk of hearing loss even when enjoying delicate music. In addition, the earphone sound coding regulation and control device is convenient to operate, can meet different use requirements of users, and is high in functionality.
Drawings
Fig. 1 is a schematic structural diagram of an earphone sound coding and controlling device in embodiment 1;
fig. 2 is a flowchart of an application method of the earphone sound coding control device according to embodiment 1;
fig. 3 is a flowchart of an application method of the earphone sound coding control device according to embodiment 2.
Reference numerals in FIGS. 1 to 3: 1-an earphone; 2-control the terminal; 3-a multi-channel receiver; 4-a sound signal input; 5-left and right ear independent signal clipper; 6-multi-channel output interface; 7-data editing and importing interface; 41-an audio player; 42-matrix microphone system.
Detailed Description
The present invention will be described in further detail with reference to the following specific embodiments and the accompanying drawings.
Example 1
Fig. 1 schematically shows a headphone sound coding regulation device of embodiment 1.
As shown in fig. 1, the earphone sound coding regulation and control device comprises an earphone 1, a control terminal 2, a multi-channel receiver 3, a sound signal input device 4 and a left and right ear independent signal clipping device 5. The input end of the left and right ear independent signal clipping device 5 is connected with the control terminal 2, the output end is connected with the earphone 1, the input end of the multichannel receiver 3 is connected with the sound signal input device 4, and the output end is connected with the left and right ear independent signal clipping device 5.
The sound signal input device 4 is configured to input a sound signal;
the multi-channel receiver 3 is configured to receive the sound signals input by the sound signal input device 4 and transmit the sound signals to the left and right ear independent signal clipping devices 5;
the left and right ear independent signal clipper 5 is configured to integrate the signals from the multichannel receiver 3 in advance according to the hearing status of the left and right ears of the human ear and the left and right ear difference value;
the control terminal 2 is configured to control the left and right ear independent signal clipper 5 to emit audio signals of different frequencies and different intensities and output through the earphone 1.
The earphone sound coding regulation and control device is characterized in that a sound coder is additionally arranged at the input end of an earphone, and the coding regulation and control is carried out on an electric signal at the input end of the earphone 1, so that the sound envelope and the fine structure output by the earphone 1 meet the sound structure required by the hearing of human ears. Thus, the device of the present invention can protect hearing, maintain hearing, and reduce the risk of hearing loss even when enjoying delicate music.
The earphone sound coding regulation and control device is not an equalizer, but the sound equalizer is still matched with a sound system for the purpose of regulating and controlling sound effects, such as space surround sound of a concert, bass output enhancement and live sound effect enhancement.
The sound signal input device 4 includes an audio player 41 and a matrix microphone system 42. Thus, the input of the multi-channel receiver 3 may be connected to the output of the audio player 41 for receiving audio signals, or/and to a plurality of independent matrix microphone systems 42 for picking up sounds in different directions and converting them into digital audio signals. The output end is connected with the left and right ear independent signal clipper 5. The sound signal input device 4 of the present embodiment may further include a bluetooth input module, an audio memory input module, or a USB sound card input module. Can realize through bluetooth input module with the butt joint of cell-phone APP, conveniently with the data input with bluetooth transmission's mode such as the audio frequency in the cell-phone. From this, can select different modes to carry out the input of sound according to actual demand, application scope is wide, and the practicality is strong.
The left and right ear independent signal clipping device 5 comprises a plurality of DSP processing chips, and the DSP processing chips are electrically connected with the control terminal 2 and the multi-channel receiver 3. The DSP chip 24 of the present embodiment is a PCM4204 chip of TI corporation. Can be mounted on a circuit board such as a PCB board through integration.
Thus, the DSP processing chip integrates the signals from the multichannel receiver 3 in advance according to the hearing status of the left and right ears and the difference between the left and right ears of the human ear, and performs "clipping" on the input signals of the left and right ears, respectively, where "clipping" specifically means compressing the overstimulated sound, enhancing the understimulated sound, modifying the sound envelope, and creating a new binaural auditory effect.
The earphone sound coding regulation and control device further comprises a multi-channel output interface 6 and a data editing and importing interface 7. The left and right ear independent signal clipping device 5 is connected with the earphone through a multi-channel output interface 6 and is connected with the control terminal 2 through a data editing and importing interface 7. One end of the multi-channel output interface 6 is connected with the left and right ear independent signal clipping devices 5, and the other end is connected with the earphone to output sound. The earphone sound coding regulation and control device further comprises a data editing and importing interface 7, one end of the data editing and importing interface 7 is connected with the left and right ear independent signal clipping devices 5, and the other end of the data editing and importing interface 7 is connected with the control terminal 2.
The control terminal 2 may be a user terminal such as a smart phone, a tablet, or a computer. The control terminal 2 of the present embodiment is a smartphone which is commonly used in the market at present. Therefore, the professional APP is downloaded through the smart phone to control the left and right ear independent signal clipper 5 to transmit audio signals with different frequencies and different intensities, the hearing states of the left and right ears are tested and left and right ear difference values are calculated through earphone output, and the measurement data are input into the left and right ear independent signal clipper 5 to be integrated.
Fig. 2 schematically shows an application method of the earphone sound coding and control device of embodiment 1.
As shown in fig. 2, the application method of the earphone sound coding regulation and control device includes the following steps:
s1, installing professional APP: firstly, installing a professional APP in a control terminal 2;
s2, individual hearing status data measurement: the data editing and importing interface 7 of the control terminal 2 and the earphone sound coding regulation and control device is connected, the earphone is connected with the multi-channel output interface 6, a user operates the professional APP through the control terminal 2, the individual hearing state is measured, and corresponding hearing test data are obtained.
In this step, the process of determining the hearing status of the individual is specifically as follows: the earphone 1 plays audio signals with different frequencies and intensities, and the user responds to the signals heard by the user so as to measure the hearing states (such as hearing thresholds) of the left ear and the right ear.
S3, processing of test data: after the test is finished, the control terminal 2 transmits the data to the left and right ear independent signal clipping devices 5 for integration processing;
s4, listening to music: after the earphone sound coding and controlling device is debugged, the earphone sound coding and controlling device can be connected with various audio players 41, and at this time, the audio signals played by the audio players 41 are processed to be in accordance with the strength of the hearing state of the user. Therefore, the earphone sound coding control device of the present invention is suitable for listening to music or the like when connected to the audio player 41.
Example 2
Fig. 3 schematically shows an application method of the earphone sound coding control device according to another embodiment.
As shown in fig. 3, the application method of the earphone sound coding and controlling device in this embodiment is basically the same as that in embodiment 1, and the differences are as follows: step S4 of the present embodiment is different from step S4 of example 1.
As shown in fig. 3, step S4 of the present embodiment is:
s4, external sound source amplification: after the earphone sound coding control device is debugged, the earphone sound coding control device can be connected with the matrix microphone system 42 to amplify an external sound source. Therefore, when the earphone sound coding regulation and control device is connected with the matrix microphone system 42, the earphone sound coding regulation and control device is suitable for people with great hearing loss, and has the functions of a hearing aid.
The earphone sound coding regulation and control device is convenient to operate, can meet different use requirements of users, and is high in functionality.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The earphone sound coding regulation and control device comprises an earphone (1) and a control terminal (2), and is characterized by further comprising a multi-channel receiver (3), a sound signal input device (4) and a left and right ear independent signal clipping device (5), wherein the input end of the left and right ear independent signal clipping device (5) is connected with the control terminal (2), the output end of the left and right ear independent signal clipping device is connected with the earphone (1), the input end of the multi-channel receiver (3) is connected with the sound signal input device (4), and the output end of the multi-channel receiver is connected with the left and right ear independent signal clipping device (5);
the sound signal input device (4) is configured to input a sound signal;
the multichannel receiver (3) is configured to receive the sound signals input by the sound signal input device (4) and transmit the sound signals to the left and right ear independent signal clipping devices (5);
the left and right ear independent signal clipper (5) is configured to integrate and process signals from the multichannel receiver (3) in advance according to the hearing states of the left and right ears of the human ear and the left and right ear difference values;
the control terminal (2) is configured to control the left and right ear independent signal clipper (5) to emit audio signals with different frequencies and different intensities, and the audio signals are output through the earphone (1).
2. The earpiece sound coding conditioning device of claim 1, characterized in that the sound signal input (4) comprises an audio player (41) and a matrix microphone system (42).
3. The earphone sound coding control device according to claim 1, wherein the left and right ear independent signal clipper (5) comprises a plurality of DSP processing chips, and the DSP processing chips are connected with the control terminal (2) and the multi-channel receiver (3).
4. The earphone sound coding regulation and control device of claim 1, further comprising a multi-channel output interface (6), wherein one end of the multi-channel output interface (6) is connected with the left and right ear independent signal clipper (5), and the other end is connected with an earphone to output sound.
5. The earphone sound coding control device according to claim 1, further comprising a data editing import interface (7), wherein one end of the data editing import interface (7) is connected with the left and right ear independent signal clipper (5), and the other end of the data editing import interface is connected with the control terminal (2).
6. The earphone sound coding control device according to claim 1, wherein the control terminal (2) is a smart phone.
7. The method for applying the earphone sound coding control device according to any one of claims 1 to 6, comprising the following steps:
s1, installing professional APP: firstly, installing a professional APP in a control terminal (2);
s2, individual hearing status data measurement: the control terminal (2) is connected with a data editing and importing interface (7) of the earphone sound coding regulation and control device, the earphone is connected with a multi-channel output interface (6), and a user operates a professional APP through the control terminal (2) to measure the individual auditory state to obtain corresponding hearing test data;
s3, processing of test data: after the test is finished, the control terminal (2) transmits the data to the left and right ear independent signal clipping devices (5) for integration processing;
s4, listening to music: after the earphone sound coding and controlling device is debugged, the earphone sound coding and controlling device can be connected with various audio players (41), and at the moment, the audio signals played by the audio players (41) can be processed into the intensity according with the hearing state of a user.
8. The method for applying the earphone sound coding control device according to claim 7, wherein the step S4 further includes:
s4, external sound source amplification: after the earphone sound coding regulation and control device is debugged, the earphone sound coding regulation and control device can be connected with a matrix microphone system (42) to amplify an external sound source.
9. The method for applying the earphone sound coding control device according to claim 7, wherein in step S2, the process of determining the hearing status of the individual is specifically as follows: audio signals with different frequencies and intensities are played in the earphone (1), and a user responds to the heard signals so as to measure the hearing states of the left ear and the right ear.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112995878A (en) * | 2021-03-02 | 2021-06-18 | 佛山博智医疗科技有限公司 | Frequency band cutting method and frequency band cutting device |
| CN112995879A (en) * | 2021-03-02 | 2021-06-18 | 佛山博智医疗科技有限公司 | Hearing aid device capable of outputting sound with variable frequency and application method thereof |
| CN114793310A (en) * | 2021-10-22 | 2022-07-26 | 佛山博智医疗科技有限公司 | Intelligent hearing monitoring system and application method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112995878A (en) * | 2021-03-02 | 2021-06-18 | 佛山博智医疗科技有限公司 | Frequency band cutting method and frequency band cutting device |
| CN112995879A (en) * | 2021-03-02 | 2021-06-18 | 佛山博智医疗科技有限公司 | Hearing aid device capable of outputting sound with variable frequency and application method thereof |
| CN114793310A (en) * | 2021-10-22 | 2022-07-26 | 佛山博智医疗科技有限公司 | Intelligent hearing monitoring system and application method thereof |
| CN114793310B (en) * | 2021-10-22 | 2024-07-26 | 佛山博智医疗科技有限公司 | Intelligent hearing monitoring system and application method thereof |
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