CN115836942A - Biofeedback tinnitus treatment system based on sound treatment and virtual reality fusion - Google Patents
Biofeedback tinnitus treatment system based on sound treatment and virtual reality fusion Download PDFInfo
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Abstract
The invention belongs to the field of medical equipment, and relates to a biofeedback tinnitus treatment system based on fusion of sound treatment and virtual reality. The tinnitus treatment and diagnosis device comprises a control platform arranged outside a soundproof room, and a tinnitus treatment and diagnosis device, a three-dimensional audio device, a virtual reality device and an electrocardiogram monitor which are arranged in the soundproof room and are respectively connected with the control platform; the tinnitus diagnosis and treatment device is used for pure tone audiometry detection of hearing and fine matching of tinnitus; selecting the type of tinnitus treatment sound according to the diagnosis and treatment result; the stereo audio equipment is used for playing stereo tinnitus treatment sound; the virtual reality equipment is used for simulating a three-dimensional visual space; monitoring vital sign information of a patient by an electrocardiogram monitor; the control platform position receives vital sign information in real time and sends tinnitus treatment sound types formulated by the tinnitus treatment device to the virtual reality equipment for matching. The invention can reduce the difficulty of attention transfer, reduce the dryness in the treatment process, improve the compliance of patients and further strengthen the treatment effect of cognitive behavior therapy.
Description
Technical Field
The invention belongs to the field of medical care informatics, relates to an information communication technology specially used for processing or treating related medical treatment of a patient, and particularly relates to a biofeedback tinnitus treatment system based on fusion of sound treatment and virtual reality.
Background
Tinnitus is a symptom that a patient produces an unformed abnormal sound hallucination in the ear or in the cranium in the absence of an external sound source, and is accompanied by hearing loss or the like. Tinnitus is often described as a buzz, whooping, or hissing sound, etc., but its description varies from person to person as it is the subjective perception of the patient. Severe tinnitus can cause difficulty in concentration, irritability and dysphoria of the patient, and can bring serious influence to normal work, study and life. The commonly used tinnitus treatment methods include drug therapy, surgical therapy, cognitive behavior therapy, electrical stimulation therapy, sound therapy and the like. The pathogenesis of tinnitus is not clear, so that the curative effects of different treatment methods are different. Wherein, the mechanism of the drug therapy is not clear, the long-term treatment effect is not good enough, and the research of toxic and side effects is lacked. Surgical treatment is highly traumatic, varies in efficacy from person to person, and risks affecting other tissues or nervous system damage. The sound treatment method is the most common tinnitus treatment mode at present, and the treatment method utilizes a masking instrument to transmit sound similar to the tinnitus frequency band to the ears of a patient, makes up the insufficient auditory information transmission caused by hearing loss, and reduces compensatory discharge so as to reduce the perception of the tinnitus.
Various masking instruments for treating tinnitus have been developed in the prior art, for example, chinese patent No. CN103239237B, which provides a tinnitus diagnosis and test device, and an all-digital audio tone signal synthesis generator is used to generate audio tone signals of various tones, melodies, rhythms, and loudness required for diagnosing varied tinnitus modes and/or tinnitus sounds. However, this device is limited to sound therapy and only relieves tinnitus symptoms from the auditory pathway.
Chinese patent publication No. CN108834397B discloses an apparatus and method for treating neurological disorders of the auditory system, which adds somatosensory stimulation to the basic sound therapy, including applying stimulation in the form of electricity, machinery, optics or heat to each specific nerve site of a patient through a non-contact electromagnetic stimulation unit and an implanted stimulation unit suitable for skin or mucosa, etc., stimulating the nerve pathways of the patient through the somatosensory and auditory sense synchronized in time with the same information, and giving the patient a better therapeutic effect through long-term treatment. However, the direct nerve stimulation accompanied by the treatment process of the device brings pain to the patient, the patient is easily resisted by the treatment in long-term treatment, particularly for people with serious tinnitus symptoms, the treatment period is longer, and the patient is more easily resisted and other negative psychology.
In summary, the tinnitus treatment device using a single sound treatment technique in the prior art has no regulating effect on other central systems such as the limbic system, and the single treatment effect is poor, and the sound treatment accompanied with nerve stimulation for a long time easily brings psychological pain to the patient, so that the patient is difficult to adhere to the treatment. How to improve the treatment effect without bringing additional physical and psychological burden to the patient is a problem which is urgently needed to be solved at present.
Disclosure of Invention
In view of the above, the present invention provides a biofeedback tinnitus treatment system based on sound treatment and virtual reality fusion by combining spatial sound treatment, cognitive behavioral therapy and visual perception, and solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the biofeedback tinnitus treatment system based on the fusion of sound treatment and virtual reality comprises a tinnitus diagnosis and treatment device and a three-dimensional audio device which are arranged in a sound-proof room, a virtual reality device and an electrocardiogram monitor which are arranged in the sound-proof room, and a control platform which is arranged outside the sound-proof room; the tinnitus diagnosis and treatment device, the stereo audio equipment, the virtual reality equipment and the electrocardiogram monitor are respectively connected with the console;
the tinnitus diagnosis and treatment device carries out pure sound audiometry detection and fine tinnitus detection to obtain diagnosis and treatment results and sends the diagnosis and treatment results to the control platform; the diagnosis and treatment result comprises tinnitus property, tinnitus frequency and tinnitus loudness;
the electrocardiogram monitor continuously collects vital sign information of a patient, wherein the vital sign information comprises blood pressure, heart rate and respiratory rate;
the control platform receives the diagnosis and treatment result and selects tinnitus treatment sound corresponding to tinnitus properties according to the diagnosis and treatment result; the control platform selects corresponding natural scene animation according to the tinnitus treatment sound and sends the natural scene animation to the virtual reality equipment; and is also used for adjusting the tinnitus treatment sound and the natural scene animation according to the vital sign information
The stereo audio device plays the tinnitus treatment sound;
and the virtual reality equipment plays the natural scene animation to simulate a three-dimensional visual space.
The noun explains:
pure tone audiometry: one of the items for detecting tinnitus is also called "electrical listening inspection". A subjective audiometry method. The threshold and suprathreshold hearing were measured with a pure tone audiometer. When the person is listening to the threshold, the person usually measures the air conduction first, and the person wearing the air conduction earphone carries out the measurement on the two ears respectively. If the hearing abilities of the two ears are similar, the two ears can be alternately performed; if only one ear has hearing impairment or the two ears have different properties and degrees, the better hearing ear needs to be tested first. Generally, the sound is attenuated to be inaudible after the examinee hears the sound from 500 Hz. The word comes from the "education dictionary", gu Ming Yuan, 1998.
And (3) fine detection of tinnitus: one of the tinnitus test items is to perform a 1/24 octave fine frequency test near the tinnitus sound based on the hearing test, under which the hidden hearing loss can be found, and then to determine the loudness (i.e. sound size) and frequency (i.e. sound pitch low) of the tinnitus of the patient; two tests on tinnitus sound are then performed, one with FRI (tinnitus masking test) and one with FBT (residual suppression test), by means of which the most suitable treatment can be tailored to the patient.
Tinnitus properties: tinnitus can be classified by nature as narrow band noise, white noise, pink noise, pure sound, twitter sound, pulsed pure sound, pulsed noise.
Tinnitus frequency: i.e. the level of the sound audio segment of the tinnitus.
Tinnitus loudness: i.e. the size of the tinnitus sound.
Further, stereo audio equipment includes left channel stereo set and right channel stereo set, control platform is according to the volume of the three-dimensional visual space control left channel stereo set and the play tinnitus treatment sound of right channel stereo set that simulate, simulation spatial position audio.
Further, the corresponding relationship of the tinnitus treatment sound and the natural scene animation includes:
when the tinnitus of the patient is described as a dripping sound, the left channel sound and/or the right channel sound plays a dripping and clicking sound of raindrops falling on a tent and a tinnitus masking sound on the tinnitus side, and the virtual reality head display device plays an animation taking shelter from rain in the tent in a forest; when the tinnitus of the patient is the roaring sound, the left channel sound and/or the right channel sound play the sound of sea waves and the tinnitus masking sound on the tinnitus side, and the virtual reality head display equipment plays the animation of sea wave rising and tide falling; when the tinnitus of the patient is click sound, the left channel sound and/or the right channel sound play the horseshoe sound and tinnitus masking sound of the horse riding steppe on the tinnitus side, and the virtual reality head display device plays animation of the horse galloping steppe; when the tinnitus of a patient is a cicada sound, the left-track sound and/or the right-track sound play a cicada sound and a tinnitus masking sound on the tinnitus side, and the virtual reality head display device plays animation of a cicada, a butterfly, a firefly, a magpie and a bee flying in a forest; when the tinnitus of the patient is described as a current sound, the left channel sound and/or the right channel sound plays the sound of meteor crossing the sky and the tinnitus masking sound at the tinnitus side, and the virtual reality head display device plays the animation of meteor crossing in the river.
Further, when the ECG monitor detects that the difference between any one detection value of the heart rate, the blood pressure and the respiratory frequency and the basic value is more than 10%, the control platform controls the left channel sound and the right channel sound to adjust the volume of tinnitus treatment sound and controls the virtual reality equipment to switch matched natural scene animation.
Further, when the detection value is greater than the basic value by 110%, adjusting the volume of the tinnitus treatment sound to be reduced; and when the detection value is less than 90% of the basic value, adjusting the volume increase of the tinnitus treatment sound.
Further, when the electrocardiograph monitor detects that the difference between any one detection value of the heart rate, the blood pressure and the respiratory frequency and the basic value is more than 10%, the control platform adjusts the playing rhythm of tinnitus treatment sound and the frame rate of corresponding natural scene animation; the playback tempo is the time interval between two tones in the audio.
Further, when the detection value is greater than a basic value by 110%, reducing the frame rate and increasing the time interval; and when the detection value is less than 90% of the basic value, increasing the frame rate and reducing the time interval.
Further, when the tinnitus treatment sound is rain sound, if the detection value is larger than the base value by 110%, playing the tinnitus treatment sound of light rain, and switching the natural scene animation into a scene of light rain; and if the detection value is smaller than the basic value by 90%, playing the tinnitus treatment sound of heavy rain, and switching the natural scene animation into a scene of heavy rain. The definition of light and heavy rain can be found in the definition of the meteorological field.
The invention has the beneficial effects that:
the auditory conduction system and the edge system are combined to comprehensively treat tinnitus, the difficulty of attention transfer is reduced by utilizing the simulated visual effect matched with sound of the virtual reality technology, and the center remodeling effect is enhanced; meanwhile, the spatial effect of the tinnitus sound sensed by the patient is accurately simulated in the sound-proof room by utilizing the stereo sound effect and the virtual animation, and compared with a device which only uses the sound treatment method in the prior art, the device improves the sound information transmission signal, thereby improving the layering sense of simulation, strengthening the attention transfer effect, weakening the tinnitus perception, further enhancing the treatment effect of the spatial sound treatment method, improving the masking success rate and enhancing the single treatment effect. The electrocardio monitor is used for monitoring vital sign information of a patient in the treatment process in real time, so that the control platform can adjust tinnitus treatment sound and virtual reality animation in real time according to the state of the tinnitus patient, the treatment process is changed according to the state change of the patient, the patient is more comfortable, the interestingness of treatment is enhanced, compared with the prior art, strong body feeling and nerve stimulation are avoided, the psychological pain that the patient spends a large amount of time to perform withered treatment in a longer period is reduced, the treatment effect of cognitive behavioral therapy is further enhanced, meanwhile, the electrocardio monitor is beneficial to reducing the resistance of the patient to treatment, the probability that the patient gives up to the treatment due to 'failure to cure' is reduced, and the patient is promoted to actively participate in the treatment.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic diagram of a biofeedback tinnitus treatment system based on the fusion of sound treatment and virtual reality according to the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1, the biofeedback tinnitus treatment system based on the fusion of sound treatment and virtual reality includes a tinnitus diagnosis and treatment device and a stereo audio device arranged in a soundproof room, a virtual reality device and an electrocardiograph monitor arranged in the soundproof room, and a control platform arranged outside the soundproof room; the tinnitus diagnosis and treatment device, the stereo audio equipment, the virtual reality equipment and the electrocardiogram monitor are respectively connected with the console;
the tinnitus diagnosis and treatment device carries out pure sound audiometry detection and fine tinnitus detection to obtain diagnosis and treatment results and sends the diagnosis and treatment results to the control platform; the diagnosis and treatment result comprises tinnitus property, tinnitus frequency and tinnitus loudness;
the electrocardiogram monitor acquires vital sign information of a patient, wherein the vital sign information comprises blood pressure, heart rate and respiratory rate;
the control platform receives the diagnosis and treatment result and selects tinnitus treatment sound corresponding to tinnitus properties according to the diagnosis and treatment result; the control platform selects corresponding natural scene animation according to the tinnitus treatment sound and sends the natural scene animation to the virtual reality equipment; and is also used for adjusting the tinnitus treatment sound types and the natural scene animation according to the real-time vital sign information of the patient
The stereo audio device plays the tinnitus treatment sound;
and the virtual reality equipment plays the natural scene animation to simulate a three-dimensional visual space.
In the embodiment, the stereo audio equipment comprises a left channel sound and a right channel sound, and the control platform controls the volume of the left channel sound and the right channel sound for playing tinnitus treatment sound according to the simulated three-dimensional visual space and simulates the sound effect of a spatial position; the tinnitus diagnosis and treatment device is a tinnitus diagnosis and treatment device with a test gradient of 1 dB and 1 Hz, and the part is the prior art and is not described in detail; the analog reality device can be selected from a virtual reality head display device (namely a VR head display). The preferred ECG monitor has the functions of monitoring blood pressure, heart rate, heart rhythm, finger pulse oxygen saturation and respiratory frequency.
The specific process comprises the following steps:
firstly, the tinnitus diagnosis and treatment device is used for carrying out residual suppression test detection and division of a Fredman curve on a patient to obtain diagnosis and treatment results, then corresponding tinnitus treatment sound is selected, the left channel sound and the right channel sound are controlled by the console to play the selected type of tinnitus treatment sound, the left channel sound and the right channel sound are connected with the virtual reality head display device through signal connecting lines and used for controlling the virtual reality head display device to play natural scene animation closest to the tinnitus type of the patient, meanwhile, the control platform is connected with the left channel sound and the right channel sound through the signal connecting lines and used for controlling the left channel sound and the right channel sound to play sound volume to simulate the sound effect corresponding to the picture position, and the tinnitus treatment sound is enabled to present the stereo sound effect of a three-dimensional auditory space. For example: when the patient's tinnitus is described as a dripping sound, the left channel sound and/or the right channel sound plays a sound of dripping and clicking rain drops on a tent and a tinnitus masking sound on the tinnitus side, and the virtual reality head display device plays an animation of taking shelter from rain in the tent in a forest. When the tinnitus of the patient is described as a booming sound in the diagnosis result, the left channel sound and/or the right channel sound plays the sound of waves and the tinnitus masking sound on the tinnitus side, and the virtual reality head display device 3 plays the animation of the sea wave and the tide. When the patient's tinnitus is described as a click sound, the left channel sound and/or the right channel sound plays the horse riding grassland's horseshoe sound and tinnitus masking sound on the tinnitus side, and the virtual reality headset plays the horse galloping grassland's animation. When the tinnitus of the patient is described as a cicada sound, the left channel sound and/or the right channel sound plays the cicada sound and the tinnitus masking sound on the tinnitus side, and the virtual reality head display device plays the animation that a cicada, a butterfly, a firefly, a magpie or a bee fly in a forest. When the tinnitus of the patient is described as a current sound, the left channel sound and/or the right channel sound plays the sound of meteor crossing the sky and the tinnitus masking sound at the tinnitus side, and the virtual reality head display device plays the animation of countless meteor crossing in the galaxy.
In the treatment process, the whole course of the electrocardiograph monitor monitors the blood pressure, the heart rate and the respiratory frequency of a patient in real time, and the blood pressure, the heart rate and the respiratory frequency are transmitted to the control platform in real time through the signal connecting line. The control platform adjusts tinnitus treatment sound and virtual reality animation in real time according to the state of a patient, wherein any detection value of heart rate, blood pressure and respiratory frequency is detected by an electrocardiograph monitor, when the difference between the detection value and a basic value (a first group of obtained detection values) is larger than 10%, the control platform controls a left channel sound and a right channel sound in a self-adaptive mode to adjust the volume of the tinnitus treatment sound and controls a virtual reality device to switch matched natural scene animation, and specifically, when the detection value is larger than 110% of the basic value, the control platform adjusts the volume of the tinnitus treatment sound to be reduced or plays tinnitus practice sound and controls the virtual reality device to play a picture to be far away, so that the effect of keeping away from the sound source position is achieved; when the detection value is smaller than 90% of the basic value, the volume of tinnitus treatment sound is adjusted to be increased, the virtual reality equipment is controlled to play the picture to be pulled in, and the effect close to the sound source position is created.
When the difference between any one detection value of the heart rate, the blood pressure and the respiratory frequency and the basic value is larger than 10 percent, the electrocardiogram monitor controls the virtual reality equipment to switch the frame rate of the natural scene animation and the playing rhythm of tinnitus treatment sound, for example, when the detection value is smaller than 90 percent of the basic value, the natural scene animation is played at a higher speed, so that the frequency of the presented wave impacting the shore is improved; or, for example, when the detected value is greater than 110% of the basic value, the speed of playing the animation of the natural scene is reduced, so that the speed of the displayed crawling of the bugs is reduced. The playing rhythm of the tinnitus treatment sound is changed while the playing speed (frame rate is changed) of the natural scene animation is changed. For single horseshoe sound, single worm sound and the like, the playing rhythm tinnitus treatment sound is mainly determined by the action speed, the interval time between two complete tones in the audio can be changed, a section of completely quiet audio is usually inserted between two tone signals for interval, the interval time can be controlled by controlling the duration of the completely quiet audio, and the shorter the time interval is, the faster the playing rhythm is; when the multiple speed of playing the natural scene animation is increased, the playing rhythm is accelerated, and when the multiple speed of playing the natural scene animation is reduced, the playing rhythm is slowed down. For tinnitus treatment sounds with the playing rhythm determined by the sound quantity or the sound intensity such as rain sounds, wave tides, swarm galloping and the like, other audio frequencies of the same type can be switched to play, wherein the same type is tinnitus treatment sounds with the same tinnitus property and tinnitus frequency and different sound interval time. For example, audio of light rain, medium rain and heavy rain is stored at the same time, the audio of medium rain is played first, and if the detection value is greater than the basic value by 110%, tinnitus treatment sound of light rain is played, and the natural scene animation is switched to a scene of light rain; and if the detection value is less than 90% of the basic value, playing the tinnitus treatment sound of heavy rain, and switching the natural scene animation into a scene of heavy rain.
The tinnitus treatment system has the characteristic of tinnitus diagnosis and treatment integration, the diagnosis and treatment are tightly connected, and the whole treatment time can be shortened.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (8)
1. Biofeedback tinnitus treatment system based on sound treatment and virtual reality fuse diagnoses device and three-dimensional audio equipment, its characterized in that including the tinnitus that sets up in the soundproof room: the system also comprises virtual reality equipment and an electrocardiogram monitor which are arranged in the sound insulation room, and a control platform which is arranged outside the sound insulation room; the tinnitus diagnosis and treatment device, the stereo audio equipment, the virtual reality equipment and the electrocardiogram monitor are respectively connected with the console;
the tinnitus diagnosis and treatment device carries out pure sound audiometry detection and fine tinnitus detection to obtain diagnosis and treatment results and sends the diagnosis and treatment results to the control platform; the diagnosis and treatment result comprises tinnitus property, tinnitus frequency and tinnitus loudness;
the electrocardiograph monitor continuously collects vital sign information of a patient, wherein the vital sign information comprises blood pressure, heart rate and respiratory rate;
the control platform receives the diagnosis and treatment result and selects tinnitus treatment sound corresponding to tinnitus properties according to the diagnosis and treatment result; the control platform selects corresponding natural scene animation according to the tinnitus treatment sound and sends the natural scene animation to the virtual reality equipment; and is also used for adjusting the tinnitus treatment sound and the natural scene animation according to the vital sign information
The stereo audio device plays the tinnitus treatment sound;
and the virtual reality equipment plays the natural scene animation to simulate a three-dimensional visual space.
2. The system for biofeedback tinnitus treatment based on fusion of sound therapy and virtual reality of claim 1, wherein: the stereo audio equipment comprises a left channel sound device and a right channel sound device, wherein the control platform controls the volume of the left channel sound device and the right channel sound device to play tinnitus treatment sound according to the simulated three-dimensional visual space, and simulates the sound effect of the spatial position.
3. The system of claim 2, wherein the correspondence of the tinnitus treatment sound and the natural scene animation comprises:
when the tinnitus of the patient is described as a dripping sound, the left channel sound and/or the right channel sound plays a dripping and clicking sound of raindrops falling on a tent and a tinnitus masking sound on the tinnitus side, and the virtual reality head display device plays an animation taking shelter from rain in the tent in a forest; when the tinnitus of the patient is the roaring sound, the left channel sound and/or the right channel sound play the sound of sea waves and the tinnitus masking sound on the tinnitus side, and the virtual reality head display equipment plays the animation of sea wave rising and tide falling; when the tinnitus of the patient is click sound, the left channel sound and/or the right channel sound play the horseshoe sound and tinnitus masking sound of the horse riding steppe on the tinnitus side, and the virtual reality head display device plays animation of the horse galloping steppe; when the tinnitus of a patient is a cicada sound, the left-track sound and/or the right-track sound play a cicada sound and a tinnitus masking sound on the tinnitus side, and the virtual reality head display device plays animation of a cicada, a butterfly, a firefly, a magpie and a bee flying in a forest; when the tinnitus of the patient is described as a current sound, the left channel sound and/or the right channel sound plays the sound of meteor crossing the sky and the tinnitus masking sound at the tinnitus side, and the virtual reality head display device plays the animation of meteor crossing in the river.
4. The system for biofeedback tinnitus therapy based on fusion of sound therapy and virtual reality of claim 3 wherein: when the ECG monitor detects that the difference between any detection value of heart rate, blood pressure and respiratory frequency and the basic value is more than 10%, the control platform controls the left channel sound and the right channel sound to adjust the volume of tinnitus treatment sound and controls the virtual reality equipment to switch matched natural scene animation.
5. The system for biofeedback tinnitus therapy based on fusion of sound therapy and virtual reality of claim 4 wherein: when the detection value is greater than 110% of the basic value, adjusting the volume reduction of the tinnitus treatment sound; and when the detection value is less than 90% of the basic value, adjusting the volume increase of the tinnitus treatment sound.
6. The system for biofeedback tinnitus therapy based on fusion of sound therapy and virtual reality of claim 1 wherein: when the ECG monitor detects that the difference between any one detection value of the heart rate, the blood pressure and the respiratory frequency and the basic value is more than 10%, the control platform adjusts the playing rhythm of tinnitus treatment sound and the frame rate of corresponding natural scene animation; the playback tempo is the time interval between two tones in the audio.
7. The system for biofeedback tinnitus therapy based on fusion of sound therapy and virtual reality of claim 6 wherein: when the detection value is greater than 110% of the basic value, reducing the frame rate and increasing the time interval; and when the detection value is less than 90% of the basic value, increasing the frame rate and reducing the time interval.
8. The system for biofeedback tinnitus therapy based on fusion of sound therapy and virtual reality of claim 7 wherein: when the tinnitus treatment sound is rain sound, if the detection value is larger than the basic value by 110%, playing the tinnitus treatment sound of light rain, and switching the natural scene animation into a scene of light rain; and if the detection value is less than 90% of the basic value, playing the tinnitus treatment sound of heavy rain, and switching the natural scene animation into the scene of heavy rain.
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