TWI735028B - Audio processing method and system using block chain for electronic auscultation - Google Patents

Abstract

An audio processing method and system using block chain for electronic auscultation is disclosed. The audio processing method comprises: receiving and recording a plurality of original physiological audios; transferring the plurality of original physiological audios to a plurality of encrypted audio files according to a first encryption job; transferring the plurality of original physiological audios to a plurality of symmetric encrypted audio files according to a second encryption job; transmitting the plurality of encrypted audio files and the plurality of symmetric encrypted audio files to a mobile device; transferring the plurality of encrypted audio files to a plurality of index files according to a third encryption job; and transmitting the plurality of the symmetric encrypted audio files to a cloud data base through the block chain. Specifically, the first encryption job is based on a private key for the electronic stethoscope, the second encryption job is based on a symmetric encrypted technology, and the third encryption job is based on private digital signatures of a patient and a doctor.

Description

Audio processing method and system using blockchain in electronic auscultation

This application relates to an audio processing method and system, especially an audio processing method and system using blockchain in electronic auscultation.

The electronic stethoscope in the prior art can only listen to the physiological sounds (such as heart, lung or bowel sounds) of the patient, but cannot record it, nor can it connect to a cloud database. Therefore, when the patient returns to the consultation, the doctor often has to re-examine or search for the patient's paper medical record, resulting in inefficiency. Secondly, because patients' medical records are not kept confidential, problems such as leakage of patients' privacy has been caused.

In view of this, this application provides an audio processing method for electronic auscultation, which allows doctors to directly download the patient’s medical record data from the cloud when diagnosing a patient. In addition, the patient’s medical record data can also be uploaded to the cloud, saving Unnecessary waste of time can improve the work efficiency of the doctor, and the private key of the doctor and the patient can encrypt and decrypt the patient's medical record, which is more confidential.

This application provides an audio processing method using blockchain in electronic auscultation, including: receiving and recording a plurality of physiological audio signals to form a plurality of original audio files; according to the first encryption method, converting the plurality of original audio files into plural An encrypted audio file; according to the second encryption method, a plurality of the original audio files are converted into a plurality of symmetric encrypted audio files; a plurality of encrypted audio files and a plurality of symmetric encrypted audio files are sent to the mobile device; the mobile device sends the plural The encrypted audio files are then subjected to the third encryption method to form a plurality of index files; and the plurality of symmetric encrypted audio files are sent to the cloud database through the blockchain; among them, the first encryption method is based on the private key of the electronic stethoscope, The original audio files are encrypted to be converted into a plurality of encrypted audio files; among them, the second encryption method is to symmetrically encrypt the plurality of original audio files according to the symmetric encryption method to convert them into a plurality of symmetric encrypted audio files; The three encryption methods are to encrypt multiple encrypted audio files according to the patient's private key digital signature and the doctor's private key digital signature to form a plurality of index files. The plurality of index files include the digital signature of the patient's private key. The plural first index files and the plural second index files formed by the digital signature of the private key of the doctor, and the plural index files are sent to the cloud database through the blockchain.

This application provides an audio processing system using blockchain in electronic auscultation, including: an electronic stethoscope, which receives and records a plurality of physiological audio from a patient to form a plurality of original audio files. According to the first encryption method, the plurality of original audio The file is converted into a plurality of encrypted audio files. According to the second encryption method, the plurality of original audio files are converted into a plurality of symmetric encrypted audio files; the mobile device receives a plurality of encrypted audio files and a plurality of symmetric encrypted audio files, respectively The encrypted audio files are then subjected to a third encryption method to form a plurality of index files, and a plurality of the symmetric encrypted audio files are sent to the cloud database through the blockchain; where the first encryption method is based on the private key of an electronic stethoscope, Encrypting a plurality of original audio files to convert into a plurality of encrypted audio files; wherein, the second encryption method is based on a symmetric encryption method, symmetrically encrypting a plurality of original audio files to convert into a plurality of symmetric encrypted audio files; Among them, the third encryption method is to encrypt a plurality of encrypted audio files according to the patient's private key digital signature and the doctor's private key digital signature to form a plurality of index files. The plurality of index files include the digital signature of the patient's private key. The plural first index files formed by the chapter and the plural second index files formed by the digital signature of the doctor's private key, and the mobile device transmits the plural index files to the cloud database through the blockchain.

The above description of the content of this application and the following description of the implementation manners are used to demonstrate and explain the spirit and principle of this application, and to provide a further explanation of the scope of the patent application of this application.

The detailed features and advantages of this application are described in detail in the following embodiments, and the content is sufficient to enable anyone familiar with relevant skills to understand the technical content of this application and implement it accordingly, and in accordance with the content disclosed in this specification, the scope of patent application and the drawings Anyone who is familiar with relevant skills can easily understand the purpose and advantages of this application. The following examples further illustrate the viewpoints of this application in detail, but do not limit the scope of this application with any viewpoints.

For example, certain words are used to refer to specific elements in the specification and the scope of the patent application. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and the scope of the patent application do not use differences in names as a way to distinguish elements, but use differences in functions of elements as a criterion for distinguishing. If the "include" or "include" mentioned in the entire specification and the scope of the patent application is an open term, it should be interpreted as "include but not limited to" or "include but not limited to". "Approximately" means that within the acceptable error range, those skilled in the art can solve the technical problem within a certain error range, and basically achieve the technical effect. In addition, the term "coupled" herein includes any direct and indirect electrical coupling means. Therefore, if it is described in the text that a first device is coupled to a second device, it means that the first device can be directly electrically coupled to the second device, or indirectly electrically coupled through other devices or coupling means. Connected to the second device. The subsequent description of the specification is a preferred embodiment for implementing the application, but the description is for the purpose of explaining the general principles of the application, and is not intended to limit the scope of the application. The scope of protection of this application shall be determined by the scope of the attached patent application.

It should also be noted that the terms "include", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, product or system including a series of elements not only includes those elements, but also includes Other elements that are not explicitly listed, or also include elements inherent to this process, method, commodity, or system. If there are no more restrictions, the element defined by the sentence "including a..." does not exclude the existence of other identical elements in the process, method, product, or system that includes the element.

In the embodiments listed below, the same reference numerals will be used to represent the same or similar elements or objects.

FIG. 1 is a block diagram of an audio processing system using blockchain for electronic auscultation disclosed in an embodiment of the present application. As shown in FIG. 1, the audio processing system used for electronic auscultation in this application includes: an electronic stethoscope 21, a mobile device 23, a blockchain 24, and a cloud database 25. In another embodiment, artificial intelligence 26 is further included.

The electronic stethoscope 21 receives and records a plurality of physiological audio information obtained by the patient 22 to form a plurality of original audio files. The electronic stethoscope 21 converts the plurality of original audio files into a plurality of encrypted audio files according to the first encryption method and converts the plurality of original audio files into a plurality of symmetric encrypted audio files according to the second encryption method. The aforementioned first encryption method is to encrypt a plurality of the original audio files according to the private key of the electronic stethoscope 21 to convert them into a plurality of encrypted audio files. The aforementioned second encryption method is based on a symmetric encryption method to perform symmetric encryption on a plurality of original audio files to convert them into a plurality of symmetric encrypted audio files.

The mobile device 23 is provided with an application program for processing audio. The mobile device 23 receives a plurality of encrypted audio files and a plurality of symmetric encrypted audio files, respectively encrypts the encrypted audio files by a third encryption method to form a plurality of index files, and transmits the plurality of symmetric encrypted audio files through the blockchain 24 Send to the cloud database 25. In addition, the mobile device 23 further converts the plurality of original audio files into a plurality of encrypted information files according to the fourth encryption method, wherein the fourth encryption method is based on the digital signature of the patient's private key and the digital signature of the doctor's private key respectively. A plurality of original audio files are encrypted to form a plurality of encrypted information files, wherein the plurality of encrypted information files include a plurality of first encrypted information files formed by the patient's private key digital signature and the doctor's private key digital signature A plurality of second encrypted information files formed by chapters. In addition, the mobile device 23 further transmits a plurality of encrypted information files to the cloud database 25 through the blockchain 24. The mobile device 23 further encrypts the plurality of symmetric encrypted audio files by the fifth encryption method to form a plurality of cloud symmetric encrypted audio files, and transmits them to the cloud database 25 through the blockchain 24. The fifth encryption method is based on The public key of the cloud database encrypts multiple symmetric encrypted audio files to form multiple cloud symmetric encrypted audio files.

The aforementioned third encryption method encrypts a plurality of the encrypted audio files respectively according to the patient's private key digital signature and the doctor's private key digital signature to form a plurality of index files. The plurality of index files include a plurality of first index files formed by the digital signature of the patient's private key and a plurality of second index files formed by the digital signature of the doctor's private key. In addition, the mobile device 23 transmits a plurality of index files to the cloud database 25 through the blockchain 24.

The mobile device 23 receives the demand, and sends the demand to the cloud database 25 to find a corresponding index file that meets the demand from a plurality of index files in the cloud database 25, and search for a plurality of symmetrically encrypted audio files according to the corresponding index file The symmetric encrypted audio file and the corresponding encrypted information file that match the corresponding index file are decrypted to obtain the corresponding original audio file.

The system of this application further includes artificial intelligence 26, which can make statistics and analyze the historical medical records of patients based on the information in the cloud database 25, so that doctors can more easily understand the medical records of patients and make more accurate medical judgments. . In addition, the mobile device 23 further uploads a plurality of original audio files, a plurality of symmetric encrypted audio files, a plurality of index files, a plurality of encrypted information files, and a plurality of encrypted audio files to the cloud database 25 through the blockchain 24.

In this embodiment, when the mobile device 23 receives a demand, it searches for a corresponding index file that meets the demand from a plurality of index files in the cloud database 25, and according to the corresponding index file, finds the corresponding index file from a plurality of symmetrically encrypted audio files. The symmetric encrypted audio file corresponding to the index file and the corresponding encrypted information file. Then, the symmetric encrypted audio file and the corresponding encrypted information file are decrypted to obtain the corresponding original audio file.

FIG. 2 is a schematic diagram of the application of this application using an electronic stethoscope combined with a mobile device and a blockchain (block chain) application. As shown in Figure 2, the doctor uses an electronic stethoscope 21 to auscultate the patient 22 and record the patient's body sound, including but not limited to physiological sounds such as heart, lung, or bowel sounds; The electronic stethoscope 21 respectively digitally signs the original audio file with the private key of the electronic stethoscope 21 to form a material signature file (for example, an encrypted audio file), and symmetrically encrypts the original audio file to form a symmetric encrypted audio file, and transmits it to the mobile device 23. Mobile devices include but are not limited to mobile phones or tablets. The material signature file here is the encrypted audio file described in the foregoing embodiment. The following will take the material signature file as an example for description.

After receiving the material signature file and the symmetrically encrypted audio file, the application (App) in the mobile device will encrypt the material signature file with the private key of the patient and doctor obtained through the App to form an index file and save it The original material signature file, where the index file includes a plurality of first index files formed by the digital signature of the patient's private key and a plurality of second index files formed by the digital signature of the doctor's private key. The material signature file created by the stethoscope’s private key is made into the third index file; the symmetric encrypted audio file is restored to the original audio file through symmetric decryption, and the patient’s and doctor’s private keys are digitally signed to form the patient’s and doctor’s private keys. The medical signature file and the original symmetric encrypted audio file are retained. The disease signature file here is the first encrypted information file described in the foregoing embodiment, and the medical signature file is the second encrypted information file described in the foregoing embodiment; the symmetric encryption The audio file is further encrypted with the public key of the cloud database to form a cloud-encrypted symmetric encrypted audio file. After the doctor confirms that the radio is correct, it is allowed to upload to the blockchain and cloud database. The index file will be synchronized to the blockchain first and uploaded to the cloud database at the same time; and the material signature file, medical signature file, disease signature file and cloud encrypted symmetrically encrypted audio file will be uploaded to the cloud database 25 at the same time.

Since the cloud public key encryption symmetric encrypted audio file is encrypted by the public key of the cloud database, it can be decrypted by the private key of the cloud database and then symmetrically decrypted to obtain the original audio file. The original audio file is further obtained by cloud artificial intelligence. Analysis, statistics or other applications.

Figure 3 is a flow diagram of this application for making a request to the blockchain and cloud database and obtaining historical audio files. The files stored on the blockchain 24 and the cloud database 25 are all index files that are digitally signed by the electronic stethoscope and the private key of the patient and doctor. Therefore, the electronic stethoscope 21 is obtained by the App on the mobile device 23 Request for historical audio files. In this embodiment, taking a unilateral request made by a doctor as an example, the App will enter the blockchain to obtain the details of all audio files signed by the doctor (according to the index file). After the doctor selects the specified audio file , The App will go to the cloud database to find the index file corresponding to the specified audio file, as well as the disease signature file (first encrypted information file), medical signature file (second encrypted information file), and material signature file (encrypted According to the request source of the doctor, the cloud database 26 encrypts the symmetrically encrypted audio file with the doctor’s public key and can be found by the App. At this time, because the doctor’s public key Only the doctor possesses the private key corresponding to the public key of the doctor, so only the doctor who made the request can use the private key of the doctor to decrypt the symmetrically encrypted audio file encrypted by the public key of the doctor on the App. Further perform symmetrical decryption in the App to obtain the original audio file for subsequent applications.

FIG. 4 is a flowchart of an audio processing method using blockchain in electronic auscultation disclosed in an embodiment of the present application. As shown in FIG. 4, a plurality of physiological audio signals are received and recorded to form a plurality of original audio files (step s401), and then, according to the first encryption method, the plurality of original audio files are converted into a plurality of encrypted audio files (step s402). ), and according to the second encryption means, convert a plurality of the original audio files into a plurality of symmetric encrypted audio files (step s403). Then, the plurality of encrypted audio files and the plurality of symmetric encrypted audio files are sent to the mobile device 23 (step s404), and the mobile device 23 respectively performs the third encryption method on the plurality of encrypted audio files to form a plurality of index files (step s405) , And send a plurality of symmetric encrypted audio files to the cloud database 25 through the blockchain 24 (step s406).

In more detail, the doctor uses the electronic stethoscope 21 to auscultate the patient 22. The electronic stethoscope 21 will receive and record the patient 22's multiple physiological sounds (such as heart sounds, lung sounds, or bowel sounds, etc.) to form multiple original sound files. . After the electronic stethoscope 21 receives and records a plurality of physiological audio signals of the patient 22, it converts the plurality of original audio files into a plurality of encrypted audio files according to the first encryption method, wherein the first encryption method is based on the private key of the electronic stethoscope 21 , Encrypt multiple original audio files to convert them into multiple encrypted audio files. At the same time, the electronic stethoscope 21 converts a plurality of original audio files into a plurality of symmetric encrypted audio files according to the second encryption method. Into a plurality of symmetrically encrypted audio files. The electronic stethoscope 21 transmits a plurality of encrypted audio files and a plurality of symmetric encrypted audio files to the mobile device 23. The mobile device 23 will respectively perform a third encryption method on the plural encrypted audio files to form a plurality of index files, wherein the third encryption method is based on the digital signature of the patient's 22 private key and the digital signature of the doctor's private key respectively. The encrypted audio file is encrypted to form a plurality of index files. The plurality of index files include a plurality of first index files formed by the digital signature of the patient's private key and a plurality of second index files formed by the digital signature of the doctor's private key Index file. The mobile device 23 further converts the plurality of original audio files into a plurality of encrypted information files according to the fourth encryption method, wherein the fourth encryption method is based on the digital signature of the patient's private key and the digital signature of the doctor's private key respectively. The original audio file is encrypted to form a plurality of encrypted information files, wherein the plurality of encrypted information files include a plurality of first encrypted information files formed by the digital signature of the patient's private key and a plurality of first encrypted information files formed by the digital signature of the doctor's private key The plural second encrypted information files of. Finally, the mobile device 23 transmits the plurality of symmetric encrypted audio files to the cloud database 25 through the blockchain 24, wherein the mobile device 23 further performs the fifth encryption method on the plurality of symmetric encrypted audio files to form a plurality of cloud symmetric encryption The audio files are sent to the cloud database through the blockchain. The fifth encryption method is to encrypt a plurality of symmetric encrypted audio files according to the public key of the cloud database to form a plurality of cloud symmetric encrypted audio files. files.

In this embodiment, the audio processing method for electronic auscultation of the present application further includes: receiving a demand, searching for a corresponding index file that meets the demand from a plurality of the index files in the cloud database; according to the corresponding index file, A plurality of symmetric encrypted audio files are searched for a symmetric encrypted audio file and a corresponding encrypted information file that match the corresponding index file; the symmetric encrypted audio file and the corresponding encrypted information file are decrypted to obtain the corresponding original audio file.

Although this application is disclosed above with the aforementioned embodiments, it is not intended to limit the application. Without departing from the spirit and scope of this application, all changes and modifications made are within the scope of patent protection of this application. For the scope of protection defined by this application, please refer to the attached patent scope.

21: Electronic stethoscope 22: Patient 23: mobile device 24: Blockchain 25: Cloud database 26: Artificial Intelligence Step s410~Step s406

The drawings described here are used to provide a further understanding of the application and constitute a part of the application. The exemplary embodiments and descriptions of the application are used to explain the application, and do not constitute an improper limitation of the application. In the schema: FIG. 1 is a block diagram of an audio processing system using blockchain for electronic auscultation disclosed in an embodiment of the present application. Figure 2 is a schematic diagram of this application using an electronic stethoscope combined with a mobile device and a blockchain application. Figure 3 is a flow diagram of this application for making a request to the blockchain and cloud database and obtaining historical audio files. FIG. 4 is a flowchart of an audio processing method using blockchain in electronic auscultation disclosed in an embodiment of the present application.

Step s410~Step s406

Claims (8)

An audio processing method using blockchain in electronic auscultation includes: receiving and recording a plurality of physiological audio signals to form a plurality of original audio files; according to a first encryption method, converting the plurality of original audio files into a plurality of encryptions Audio files; according to a second encryption method, converting a plurality of the original audio files into a plurality of symmetric encrypted audio files; transmitting a plurality of the encrypted audio files and a plurality of the symmetric encrypted audio files to a mobile device; the mobile device A plurality of the encrypted audio files are respectively subjected to a third encryption method to form a plurality of index files; and the plurality of the symmetric encrypted audio files are transmitted to a cloud database through a blockchain; wherein, the first encryption method is According to the private key of an electronic stethoscope, a plurality of the original audio files are encrypted to be converted into a plurality of the encrypted audio files; wherein, the second encryption method is based on a symmetric encryption method to perform a plurality of the original audio files Symmetric encryption to convert into a plurality of the symmetrically encrypted audio files; wherein, the third encryption method is to encrypt a plurality of the encrypted audio files according to a digital signature of a patient's private key and a digital signature of a doctor's private key, respectively, To form a plurality of the index files, the plurality of index files include a plurality of first index files formed by the digital signature of the patient's private key and a plurality of second index files formed by the digital signature of the doctor's private key , And send a plurality of the index files to the cloud database through the blockchain. For example, the audio processing method described in item 1 of the scope of application further includes: converting a plurality of the original audio files into a plurality of encrypted information files according to a fourth encryption method, Wherein, the fourth encryption means encrypts a plurality of the original audio files respectively according to the patient's private key digital signature and the doctor's private key digital signature to form a plurality of the encrypted information files, and a plurality of the encrypted information files The information file includes a plurality of first encrypted information files formed by the patient's private key digital signature and a plurality of second encrypted information files formed by the doctor's private key digital signature; and a plurality of the encrypted information files Send to the cloud database through the blockchain. For example, the audio processing method described in item 1 of the scope of patent application further includes: performing a fifth encryption method on a plurality of the symmetric encrypted audio files to form a plurality of cloud symmetric encrypted audio files, and send them to In the cloud database, the fifth encryption means encrypts a plurality of the symmetric encryption audio files according to a public key of the cloud database to form a plurality of the cloud symmetric encryption audio files. For example, the audio processing method described in item 1 of the scope of patent application further includes: receiving a demand, searching for a corresponding index file that meets the demand from a plurality of the index files in the cloud database; according to the corresponding index file , Searching for a symmetric encrypted audio file and a corresponding encrypted information file that match the corresponding index file from a plurality of the symmetric encrypted audio files that are uploaded to the cloud database together with a plurality of the encrypted audio files; and the symmetric encrypted audio file The file and the corresponding encrypted information file are decrypted to obtain the corresponding original audio file. An audio processing system using blockchain in electronic auscultation includes: an electronic stethoscope that receives and records a plurality of physiological audio signals of a patient to form a plurality of original audio files. According to a first encryption method, the plurality of original audio files are Convert audio files into multiple encrypted tones Files, according to a second encryption method, converting a plurality of the original audio files into a plurality of symmetric encrypted audio files; and a mobile device, receiving a plurality of the encrypted audio files and a plurality of the symmetric encrypted audio files, respectively The encrypted audio file is then subjected to a third encryption method to form a plurality of index files, and a plurality of the symmetric encrypted audio files are transmitted to a cloud database through a blockchain; wherein, the first encryption method is based on the electronic stethoscope A private key to encrypt a plurality of the original audio files to convert them into a plurality of encrypted audio files; wherein, the second encryption method is based on a symmetric encryption method to perform symmetric encryption on the plurality of original audio files to Converted into a plurality of the symmetric encrypted audio files; wherein, the third encryption method is to encrypt a plurality of the encrypted audio files respectively according to a patient's private key digital signature and a doctor's private key digital signature to form a plurality of encrypted audio files. The index file, the plurality of index files include a plurality of first index files formed by the patient's private key digital signature and a plurality of second index files formed by the doctor's private key digital signature, and the action The device sends a plurality of the index files to the cloud database through the blockchain. For example, the audio processing system described in item 5 of the scope of patent application, wherein the mobile device further restores a plurality of the symmetric encrypted audio files into a plurality of the original audio files through symmetric decryption, and then according to a fourth encryption method, the plural The original audio files are converted into a plurality of encrypted information files, where the fourth encryption means is to encrypt the original audio files according to the digital signature of the patient’s private key and the digital signature of the doctor’s private key, respectively. A plurality of the encrypted information files are formed, and the plurality of encrypted information files include a plurality of first encrypted information files formed by the patient's private key digital signature and a plurality of first encrypted information files formed by the doctor's private key digital signature Two encrypted information files, and the mobile device further transmits a plurality of the encrypted information files to the cloud database through the blockchain. For example, the audio processing system described in item 5 of the scope of patent application, wherein the mobile device further performs a fifth encryption method on a plurality of the symmetric encrypted audio files to form a plurality of cloud symmetric encrypted audio files, and pass the block The chain is sent to the cloud database, where the fifth encryption means encrypts a plurality of the symmetric encryption audio files according to a public key of the cloud database to form a plurality of the cloud symmetric encryption audio files. For example, the audio processing system described in item 5 of the scope of patent application, wherein the mobile device receives a request, searches for a corresponding index file that meets the request from a plurality of the index files in the cloud database, and according to the Corresponding to the index file, a plurality of the symmetric encrypted audio files that are uploaded to the cloud database together with a plurality of the encrypted audio files are searched for a symmetric encrypted audio file and a corresponding encrypted information file that match the corresponding index file. The encrypted audio file and the corresponding encrypted information file are decrypted to obtain the corresponding original audio file.

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