CN114339563B - Multi-mode tinnitus treatment sound generation system - Google Patents
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Abstract
The invention aims to provide a multi-mode tinnitus treatment sound generation system, which can be used for solving the problems in the background art, customizing the treatment sounds of different parameters of various treatments for a patient, facilitating the comparison of the patient, finding the treatment sound with the best effect on the patient, and improving the tinnitus treatment effect, and is characterized in that: the system comprises a file input module, a balancing module, a treatment sound module, an audio processing module, a filter module and an interface display module; the equalization module is used for setting whether the energy equalization needs to be carried out on the audio file, further setting an equalization mode and equalization precision if the energy equalization needs to be carried out on the audio file, and then calling an audio equalization submodule in the audio processing module to carry out equalization processing on the audio file; the therapeutic sound module is used for selecting the type of therapeutic sound, setting a frequency range and a frequency width, and then calling a therapeutic sound generation sub-module in the audio processing module to generate the therapeutic sound.
Description
Technical Field
The invention belongs to the technical field related to sound data production, and particularly relates to a multi-mode tinnitus treatment sound generation system.
Background
Tinnitus refers to the subjective perception of the sound produced in the ear or head without any external sound source or electrical stimulation, and is often described as a hissing, buzzing or screaming ring sound. Tinnitus is a common disorder of the auditory system that severely compromises a person's health and quality of life.
Tinnitus sound therapy is a method of acoustically modifying the perception and response of tinnitus. There are many common tinnitus sound treatment methods, such as masking therapy, incisional therapy, tonic therapy, etc. However, for a specific tinnitus patient, the effect of each therapy is different, and a treatment sound which has the best effect on the therapy needs to be found. Therefore, there is an urgent need for a tinnitus treatment sound generation system to customize treatment sounds of various therapies for patients so that the patients can compare them to improve the tinnitus treatment effect.
Disclosure of Invention
The invention aims to provide a multi-mode tinnitus treatment sound generation system to solve the problems in the background technology, which can customize treatment sounds with different parameters of various therapies for a patient, facilitate the comparison of the patient, find the treatment sound with the best effect on the patient and improve the tinnitus treatment effect.
In order to achieve the above object, the present invention provides the following technical solutions.
A multi-mode tinnitus therapy sound generation system, comprising: the system comprises a file input module, a balancing module, a treatment sound module, an audio processing module, a filter module and an interface display module;
the interface display module is used for displaying a system operation interface;
the file input module is used for inputting audio files to be processed;
the audio processing module comprises an audio equalization submodule and a therapeutic sound generation submodule;
the filter module comprises a filter and a filter bank of various parameters required by the audio processing module, and the system program is realized by corresponding filter functions;
the equalization module is used for setting whether the energy equalization needs to be carried out on the audio file, further setting an equalization mode and equalization precision if the energy equalization needs to be carried out on the audio file, and then calling an audio equalization submodule in the audio processing module to carry out equalization processing on the audio file;
the therapeutic sound module is used for selecting the type, setting the frequency range and the frequency width of the therapeutic sound and then calling a therapeutic sound generation submodule in the audio processing module to generate the therapeutic sound.
Further, the equalization mode comprises the uniform distribution of linear axis energy according to frequency and the uniform distribution of logarithmic axis energy according to frequency;
the uniform distribution of the linear axis energy according to the frequency specifically comprises the following steps: the audio is segmented according to the bandwidth, the bandwidth values of all the audio segments are the same, and then the energy of all the audio segments is set to be the same;
the even distribution of the energy according to the logarithmic axis of the frequency specifically comprises the following steps: the audio frequency is segmented according to the frequency width, the ratio of the upper limit frequency fu to the lower limit frequency fl of each audio frequency is the same, and then the energy of each audio frequency is set to be the same.
Further, the balance precision is set to be low, medium and high on a system operation interface, and specifically includes: when the equalization mode is the linear axis energy uniform distribution according to the frequency, the low, the middle and the high are 125Hz,250Hz and 500Hz respectively, and the equalization precision is the bandwidth value adopted when the audio is segmented according to the bandwidth; when the equalization mode is the even distribution of the log-axis energy according to the frequency, the low, the middle and the high are respectively 2^ (1/6), 2^ (1/3) and 2^ (1/2), and the equalization precision is the ratio of the upper limit frequency fu to the lower limit frequency fl of each section of audio adopted when the audio is segmented according to the bandwidth.
Further, the audio equalization submodule performs equalization processing, specifically: the audio balancing submodule acquires audio file data, namely original audio, calculates total energy e of the original audio, calls a corresponding filter bank, wherein the filter bank comprises n filters, the filter bank carries out frequency division filtering on the original audio according to a set balancing mode and balancing precision to obtain each section of audio, adjusts the amplitude of each section of audio to enable the energy of each section of audio to be equal to e/n, and then superposes each section of audio to obtain a balanced audio file and stores the balanced audio file.
Further, the types of the treatment sound include a masker therapy treatment sound and an incisure therapy treatment sound;
the setting of the frequency range specifically includes: setting a minimum value f1 and a maximum value fm of center frequencies, setting the ratio of two adjacent center frequencies as a preset fixed value r, and calculating the number m of the center frequencies and various center frequency values by a treatment sound module, wherein fm/f1= r ^ (m-1);
the frequency width is set to three grades of narrow, medium and wide on a system operation interface, and specifically comprises the following steps: when the type of the treatment sound is a masking therapy treatment sound, the narrow, medium and wide are 125Hz,250Hz and 500Hz respectively; when the type of the treatment sound is the incisure therapy treatment sound, the narrow, the middle and the wide are respectively the ratio of the upper limit frequency and the lower limit frequency of the frequency width to be 2^ (1/6), 2^ (1/3) and 2^ (1/2).
Further, the therapeutic sound generation submodule generates therapeutic sound, specifically: the therapeutic sound generation submodule acquires audio data, and simultaneously acquires the type of the set therapeutic sound, each calculated central frequency value and the set frequency width; when the type of the treatment sound is the incisure therapy treatment sound, respectively filtering the audio frequency of the target frequency band by using a filter according to each central frequency value and frequency width to obtain m incisure therapy treatment sounds and storing the m incisure therapy treatment sounds; when the type of the treatment sound is masking therapy treatment sound, frequency division is carried out on the audio files according to various central frequency values and frequency widths by using a band-pass filter and a band elimination filter, audio energy of a target frequency band is increased by a, wherein a is a preset value and the range is 5dB & lta & lt 50dB, and then two sections of audio under the same central frequency value are superposed to obtain m masking therapy treatment sounds and stored.
Further, the system also comprises a tonic phonotherapy treatment sound generation module for generating tonic phonotherapy treatment sound.
Furthermore, the file input module can select to input a single audio file, or select to input a plurality of audio files simultaneously; when a plurality of audio files are selected to be input simultaneously, the therapeutic sound generation submodule generates therapeutic sound for the plurality of audio files in sequence according to each center frequency value.
Further, the system operation interface includes: the method comprises the steps of audio file selection, equalization mode selection, equalization precision selection, balance audio generation button, treatment sound type selection, frequency range selection, frequency bandwidth selection, treatment sound generation button, tetanic sound treatment sound generation button, drawing of an original audio frequency spectrum and drawing of a processed audio frequency spectrum.
Compared with the prior art, the invention provides a multi-mode tinnitus treatment sound generation system which has the following beneficial effects:
according to the system and the method, the user can set the balance mode and the balance precision through the system operation interface, the energy balance is carried out on the audio file, the treatment sound type, the frequency range and the frequency width are set by the user through the system operation interface, the treatment sounds of corresponding treatment types with different center frequencies are generated in batches, the operation is simple and convenient, and the batch customization of treatment sound effects is high; a plurality of audio files can be simultaneously input for processing, so that the efficiency of generating treatment sounds in batches is further improved; furthermore, the invention can quickly customize the treatment sounds of different parameters of various treatments for patients, is convenient for the patients to compare and find the treatment sound with the best effect to the patients, so as to improve the tinnitus treatment effect.
Drawings
FIG. 1 is a system operating interface diagram of the present system;
fig. 2 is a flow chart of the system for producing therapeutic sound.
Detailed Description
A multi-mode tinnitus therapy sound generation system, comprising: the system comprises a file input module, a balancing module, a treatment sound module, an audio processing module, a filter module and an interface display module.
The interface display module is used for displaying a system operation interface. As shown in fig. 1, the system operation interface includes: the method comprises the steps of audio file selection, equalization mode selection, equalization precision selection, balance audio button generation, treatment sound type selection, frequency range selection, frequency bandwidth selection, treatment sound button generation, tetanic sound therapy treatment sound button generation, drawing of an original audio frequency spectrum and drawing of a processed audio frequency spectrum.
The file input module is used for inputting audio files needing to be processed.
The audio processing module comprises an audio equalization submodule and a therapeutic sound generation submodule.
The filter module comprises a filter and a filter bank of various parameters required by the audio processing module, and the filter is realized by a corresponding filter function in a system program. And the filter module acquires the required filter parameters by using the matlab, and writes the filter parameters into the program dependent file in batches for calling. The basic parameters of the filter are respectively upper and lower limit cut-off frequency, filter order, filter sampling frequency and filter transfer function coefficient matrixes A and B, wherein A is a transfer function numerator coefficient matrix, B is a transfer function denominator matrix, and the matrix A and the matrix B are obtained through the basic parameters of the filter and are used for subsequent filtering calculation.
The equalization module is used for setting whether the energy equalization needs to be carried out on the audio file, further setting the equalization mode and the equalization precision if the energy equalization needs to be carried out on the audio file, and then calling an audio equalization submodule in the audio processing module to carry out equalization processing on the audio file.
The equalization pattern includes a linear axis energy uniform distribution by frequency and a logarithmic axis energy uniform distribution by frequency. The uniform distribution of the linear axis energy according to the frequency specifically comprises the following steps: the audio is segmented according to the bandwidth, the bandwidth values of all the audio segments are the same, and then the energy of all the audio segments is set to be the same. The even distribution of the energy according to the logarithmic axis of the frequency specifically comprises the following steps: the audio is segmented according to the frequency width, the ratio of the upper limit frequency fu to the lower limit frequency fl of each audio is the same, and then the energy of each audio is set to be the same.
The balance precision is set to be low, medium and high on a system operation interface, and specifically comprises the following steps: when the equalization mode is the linear axis energy uniform distribution according to the frequency, the low, the middle and the high are 125Hz,250Hz and 500Hz respectively, and the equalization precision is the bandwidth value adopted when the audio is segmented according to the bandwidth; when the equalization mode is the even distribution of the energy according to the logarithm axis of the frequency, the low, the middle and the high are respectively 2^ (1/6), 2^ (1/3) and 2^ (1/2), and at the moment, the equalization precision is the ratio of the upper limit frequency fu to the lower limit frequency fl of each section of audio adopted when the audio is segmented according to the frequency width.
The audio equalization submodule performs equalization processing, specifically comprising: the audio balancing submodule acquires audio file data, namely original audio, calculates total energy e of the original audio, calls a corresponding filter bank, wherein the filter bank comprises n filters, the filter bank carries out frequency division filtering on the original audio according to a set balancing mode and balancing precision to obtain each section of audio, adjusts the amplitude of each section of audio to enable the energy of each section of audio to be equal to e/n, then superposes each section of audio to obtain a balanced audio file, and stores the balanced audio file.
The therapeutic sound module is used for selecting the type, setting the frequency range and the frequency width of the therapeutic sound and then calling a therapeutic sound generation submodule in the audio processing module to generate the therapeutic sound.
The types of the treatment sound include a masking therapy treatment sound and an incisure therapy treatment sound;
the setting of the frequency range specifically includes: setting a minimum value f1 and a maximum value fm of the central frequencies, setting the ratio of two adjacent central frequencies as a preset fixed value r, and calculating the number m of the central frequencies and various central frequency values by the treatment sound module, wherein fm/f1= r ^ (m-1). r is set to 2^ (1/30) in the embodiment, and the range can be set to be more than 2^ (1/1000) and less than 2 according to specific situations.
The frequency width is set to three grades of narrow, medium and wide on a system operation interface, and specifically comprises the following steps: when the type of the treatment sound is a masking therapy treatment sound, the narrow, middle and wide ranges are 125Hz,250Hz and 500Hz respectively, and the range can be set to be more than 10Hz and less than 2000Hz according to specific conditions; when the type of the treatment sound is the incisure therapy treatment sound, the narrow, the middle and the wide are respectively the ratio of the upper limit frequency and the lower limit frequency of the frequency width of 2^ (1/6), 2^ (1/3) and 2^ (1/2), and the range can be set to be more than 1 and less than 2 according to specific situations.
The therapeutic sound generation submodule generates therapeutic sound, and specifically comprises: the therapeutic sound generation submodule acquires audio data and simultaneously acquires the type of set therapeutic sound, the calculated central frequency values and the set frequency width; when the type of the treatment sound is the incisure therapy treatment sound, respectively filtering the audio frequency of the target frequency band by using a filter according to each central frequency value and frequency width to obtain m incisure therapy treatment sounds and storing the m incisure therapy treatment sounds; when the type of the treatment sound is the masking therapy treatment sound, a band-pass filter and a band elimination filter are used for dividing the frequency of the audio file according to each central frequency value and frequency width, the audio energy of a target frequency band is increased by a, wherein a is a preset value and the range is 5dB, and the a-is-woven and 50dB is set to 10 dB in the implementation, then two sections of audio under the same central frequency value are superposed to obtain m masking therapy treatment sounds and stored.
The system also comprises a tonic acoustic therapy treatment sound generation module used for generating the tonic acoustic therapy treatment sound.
The file input module can select to input a single audio file or a plurality of audio files at the same time; when a plurality of audio files are selected to be input simultaneously, the therapeutic sound generation submodule generates therapeutic sound for the plurality of audio files according to each central frequency value in sequence.
When the system works, the working process is as shown in figure 2, firstly, an original audio file is input, when a user selects equalization, a corresponding filter bank is called according to the equalization mode selected by the user and the equalization precision, energy redistribution calculation is carried out, and if equalization is not selected, processing is not carried out. And judging whether a plurality of treatment sounds with different center frequencies need to be generated circularly or not according to the frequency range selected by the user, calling a proper filter bank according to the frequency bandwidth required to be incised or masked selected by the user, finally performing related calculation of incised audio and masked audio according to the treatment sound mode selected by the user, and finally outputting and storing the treatment sounds.
The invention can quickly customize the treatment sounds of different parameters of various treatments for patients, is convenient for the patients to compare and find the treatment sound with the best effect per se so as to improve the tinnitus treatment effect.
Claims (8)
1. A multi-mode tinnitus therapy sound generation system, comprising: the system comprises a file input module, a balancing module, a treatment sound module, an audio processing module, a filter module and an interface display module;
the interface display module is used for displaying a system operation interface;
the file input module is used for inputting audio files to be processed;
the audio processing module comprises an audio balancing submodule and a therapeutic sound generating submodule;
the filter module comprises a filter and a filter bank of various parameters required by the audio processing module, and the filter bank are realized through corresponding filter functions in a system program;
the equalization module is used for setting whether the energy equalization needs to be carried out on the audio file, further setting an equalization mode and equalization precision if the energy equalization needs to be carried out on the audio file, and then calling an audio equalization submodule in the audio processing module to carry out equalization processing on the audio file;
the therapeutic sound module is used for selecting the type, setting the frequency range and frequency width of therapeutic sound, and then calling a therapeutic sound generation submodule in the audio processing module to generate the therapeutic sound;
the equalization mode comprises the steps of uniformly distributing linear axis energy according to frequency and uniformly distributing logarithmic axis energy according to frequency;
the uniform distribution of the linear axis energy according to the frequency specifically comprises the following steps: the audio is segmented according to the bandwidth, the bandwidth values of all the audio segments are the same, and then the energy of all the audio segments is set to be the same;
the even distribution of the logarithmic axis energy according to the frequency specifically comprises the following steps: the audio is segmented according to the frequency width, the ratio of the upper limit frequency fu to the lower limit frequency fl of each audio is the same, and then the energy of each audio is set to be the same.
2. The multi-mode tinnitus therapy sound generating system of claim 1 wherein: the balance precision is set to be low, medium and high on a system operation interface, and specifically comprises the following steps: when the equalization mode is the linear axis energy uniform distribution according to the frequency, the low, medium and high are 125Hz,250Hz and 500Hz respectively, and the equalization precision is the frequency width value adopted when the audio is segmented according to the frequency width; when the equalization mode is the even distribution of the log-axis energy according to the frequency, the low, the middle and the high are respectively 2^ (1/6), 2^ (1/3) and 2^ (1/2), and the equalization precision is the ratio of the upper limit frequency fu to the lower limit frequency fl of each section of audio adopted when the audio is segmented according to the bandwidth.
3. The multi-modal tinnitus therapy sound generating system of claim 2 wherein: the audio equalization submodule performs equalization processing, specifically including: the audio balancing submodule acquires audio file data, namely original audio, calculates total energy e of the original audio, calls a corresponding filter bank, wherein the filter bank comprises n filters, the filter bank carries out frequency division filtering on the original audio according to a set balancing mode and balancing precision to obtain each section of audio, adjusts the amplitude of each section of audio to enable the energy of each section of audio to be equal to e/n, and then superposes each section of audio to obtain a balanced audio file and stores the balanced audio file.
4. The multi-mode tinnitus therapy sound generating system of claim 1 wherein: the types of the treatment sound include a masker therapy treatment sound and an incisure therapy treatment sound;
the setting of the frequency range specifically includes: setting a minimum value f1 and a maximum value fm of center frequencies, setting the ratio of two adjacent center frequencies as a preset fixed value r, and calculating the number m of the center frequencies and various center frequency values by a treatment sound module, wherein fm/f1= r ^ (m-1);
the frequency width is set to be narrow, medium and wide on a system operation interface, and specifically comprises the following steps: when the type of the treatment sound is a masking therapy treatment sound, the narrow, middle and wide are 125Hz,250Hz and 500Hz respectively; when the type of the treatment sound is the incisure therapy treatment sound, the narrow, the middle and the wide are respectively the ratio of the upper limit frequency and the lower limit frequency of the frequency width of 2^ (1/6), 2^ (1/3) and 2^ (1/2).
5. The multi-mode tinnitus therapy sound generating system of claim 4 wherein: the therapeutic sound generation submodule generates therapeutic sound, and specifically comprises: the therapeutic sound generation submodule acquires audio data, and simultaneously acquires the type of the set therapeutic sound, each calculated central frequency value and the set frequency width; when the type of the treatment sound is the incisure therapy treatment sound, respectively filtering the audio frequency of the target frequency band by using a filter according to each central frequency value and frequency width to obtain m incisure therapy treatment sounds and storing the m incisure therapy treatment sounds; when the type of the treatment sound is the masking therapy treatment sound, a band-pass filter and a band-stop filter are used for dividing the frequency of the audio file according to each central frequency value and frequency width, the audio energy of a target frequency band is increased by a, wherein a is a preset value and the range is 5dB, and a-over-50dB is obtained, and then two sections of audio under the same central frequency value are superposed to obtain m masking therapy treatment sounds and stored.
6. The multi-mode tinnitus therapy sound generating system of claim 1 wherein: the system also comprises a tonic acoustic therapy treatment sound generation module used for generating the tonic acoustic therapy treatment sound.
7. The multi-mode tinnitus therapy sound generating system of claim 5 wherein: the file input module can select to input a single audio file or a plurality of audio files simultaneously; when a plurality of audio files are selected to be input simultaneously, the therapeutic sound generation submodule generates therapeutic sound for the plurality of audio files in sequence according to each center frequency value.
8. The multi-mode tinnitus therapy sound generating system of claim 1 wherein: the system operation interface comprises: the method comprises the steps of audio file selection, equalization mode selection, equalization precision selection, balance audio generation button, treatment sound type selection, frequency range selection, frequency bandwidth selection, treatment sound generation button, tetanic sound treatment sound generation button, drawing of an original audio frequency spectrum and drawing of a processed audio frequency spectrum.
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