CN110664370B - Voice treatment instrument adopting fundamental frequency tremor real-time measurement and audio-visual feedback technology - Google Patents
Voice treatment instrument adopting fundamental frequency tremor real-time measurement and audio-visual feedback technology Download PDFInfo
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1101—Detecting tremor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
Abstract
The invention discloses a voice therapeutic instrument of fundamental frequency tremor real-time measurement and audio-visual feedback technology, comprising: the real-time processing unit (1), the main control unit (2) and the real-time fundamental frequency tremor audio-visual feedback unit (3); the real-time processing unit (1) is used for acquiring fundamental frequency tremor data of a user when the user generates speech voice in real time; the main control unit (2) is connected with the real-time processing unit (1) and is used for measuring fundamental frequency tremor data in real time, judging fundamental frequency tremor disorders existing in a user, and selecting rehabilitation content and rehabilitation steps for speech and voice rehabilitation according to the types of the fundamental frequency tremor disorders; the real-time resonance audio-visual feedback unit is connected with the main control unit (2), and is used for displaying fundamental frequency tremor data and a rehabilitation result of fundamental frequency tremor disorder in real time.
Description
Technical Field
The invention relates to a speech rehabilitation technology, in particular to a voice treatment instrument based on fundamental frequency tremor real-time measurement and audio-visual feedback technology.
Background
The fundamental frequency tremor mainly reflects the degree of the cavity of the laryngeal cavity in the fundamental frequency level irregular tremor (caused by the irregular fundamental frequency), mainly reflects the laryngeal cavity resonance disorder degree caused by the neurogenic disorder of the larynx, mainly measures the patients with the neurogenic throat disorder, and is one of the best indexes for measuring the throat sound quality related to the laryngeal cavity resonance. At present, there are three main treatment promoting methods for clinically correcting fundamental frequency tremor disorder: the voice production relaxation training, the tone gradient training method and the singing method are adopted, and how to select an appropriate treatment method according to the individuation characteristics of a patient and how to accurately and reasonably correct and guide the patient according to the laryngeal cavity resonance disorder degree of the patient need to measure and correct the speech voice of the patient in real time when a speech therapist corrects the problems. However, the related art has not yet appeared.
Disclosure of Invention
In view of the above problems, the present invention has been made to provide a vocal voice rehabilitation apparatus and a rehabilitation method that can measure in real time and perform audiovisual feedback in real time.
The invention provides a voice therapeutic instrument of fundamental frequency tremor real-time measurement and audio-visual feedback technology, comprising: the real-time processing unit, the main control unit and the real-time fundamental frequency tremor audio-visual feedback unit; the real-time processing unit is used for acquiring fundamental frequency tremor data of a user when the user generates speech voice in real time; the main control unit is connected with the real-time processing unit and is used for measuring fundamental frequency tremor data in real time, judging fundamental frequency tremor disorders existing in a user and selecting rehabilitation content and rehabilitation steps for speech and voice rehabilitation according to the types of the fundamental frequency tremor disorders; the real-time laryngeal cavity resonance audio-visual feedback unit is connected with the main control unit and is used for displaying fundamental frequency tremor data and a rehabilitation result of laryngeal cavity resonance dysbiosis in real time.
In the voice therapeutic apparatus of fundamental frequency tremor real-time measurement and audio-visual feedback technology provided by the invention, the main control unit comprises: the device comprises a rehabilitation mode and content storage module, a nervous voice disorder rehabilitation step and execution module and a real-time fundamental frequency tremor measurement and discrimination module; the recovery mode and content storage module is used for storing the fundamental frequency tremor focusing recovery mode and the fundamental frequency tremor recovery content used in the recovery process, and the real-time feedback of the fundamental frequency tremor data, the fundamental frequency tremor and the training content for increasing the fundamental frequency tremor; the nervous voice disorder rehabilitation step and execution module is connected with the rehabilitation mode and content storage module and the real-time audio-visual feedback unit and is used for setting a fundamental frequency tremor rehabilitation mode and running fundamental frequency tremor rehabilitation content in real time; the real-time fundamental frequency tremor measurement and judgment module is connected with the real-time processing unit and the rehabilitation execution module and is used for judging the situation of the fundamental frequency tremor generated by the user in real time and judging fundamental frequency tremor obstacle existing in the voice of the user.
The invention also provides a voice treatment method of fundamental frequency tremor real-time measurement and audio-visual feedback technology, which uses the voice treatment instrument and comprises the following steps:
the method comprises the following steps: the real-time fundamental frequency tremor measurement unit measures fundamental frequency tremor data of a user in real time, and requires the user to send/receive the data in the loudest state
The data is sent to a real-time fundamental frequency tremor measurement and discrimination module in the main control unit in real time after being kept stable for a plurality of seconds;
step two: the real-time fundamental frequency tremor discrimination module discriminates the fundamental frequency tremor data, the fundamental frequency tremor target value and the corresponding range of the fundamental frequency tremor target value, and sends discrimination results to the neurogenic voice disorder rehabilitation step and the execution module in real time;
step three: the nervous voice disorder rehabilitation step and the execution module set a fundamental frequency tremor rehabilitation mode according to the judgment result, read and execute the fundamental frequency tremor rehabilitation mode and fundamental frequency tremor rehabilitation content from the rehabilitation mode and content storage module, and transmit a rehabilitation execution result to the real-time fundamental frequency tremor audio-visual feedback unit;
step four: and the real-time fundamental frequency tremor audio-visual feedback unit displays the fundamental frequency tremor rehabilitation execution result in real time.
The method for treating throat with real-time fundamental tremor measurement and audio-visual feedback technology of claim 3, further comprising the following steps:
step a: the real-time fundamental frequency tremor measurement and judgment module converts the fundamental frequency tremor data of the user into fundamental frequency tremor limit values and qualitatively judges the damage degree of the fundamental frequency tremor;
step b: the real-time fundamental frequency tremor measurement and judgment module sends the user information and the fundamental frequency tremor obstacle type information to the rehabilitation execution module;
step c: and the real-time fundamental frequency tremor measurement and discrimination module discriminates the fundamental frequency tremor data and the fundamental frequency tremor focusing limit value according to user information.
In the method for treating the voice by the fundamental frequency tremor real-time measurement and the audio-visual feedback technology, the fourth step further comprises the following steps: and repeating the first step to the fourth step until the speech voice of the user does not have fundamental frequency tremor disorder or stops the rehabilitation training position.
In the voice treatment instrument and the method for real-time measurement of fundamental frequency tremor and audio-visual feedback technology, fundamental frequency tremor obstacle type information is judged through fundamental frequency tremor data, and when the fundamental frequency tremor is smaller than a fundamental frequency tremor mean value lower limit value, a fundamental frequency tremor limit value is determined to be a maximum fundamental frequency tremor value of 1, the voice treatment instrument and the method judge as voice obstacle with over-low fundamental frequency tremor; and when the fundamental frequency tremor is larger than the upper limit value of the fundamental frequency tremor mean value, determining the minimum fundamental frequency tremor value with the fundamental frequency tremor limit value of 1, and judging the voice disorder with high tremor.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Fig. 1 is a schematic view showing a structure of a vocal therapy apparatus based on real-time measurement and audition feedback.
Fig. 2 is a flow chart of a voice treatment method based on real-time measurement and audition feedback.
FIG. 3 is a file of a measurement object according to an embodiment.
FIG. 4 shows ICF functional impairment degree conversion according to the sound production function accurate assessment result.
Fig. 5 is a schematic diagram of the rehabilitation step and the execution module for the neurological voice disorder in the embodiment to give suggestions and execution modes.
Detailed Description
The technical solutions of the present invention are described in detail below with reference to the accompanying drawings and specific embodiments, and it should be understood that the specific features in the embodiments and examples are described in detail in the technical solutions of the present invention, but not limited to the technical solutions of the present invention, and the technical features in the embodiments and examples may be combined with each other without conflict.
The term "and/or" herein is merely an association relationship describing an associated object, and means that there may be three relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
In the technical scheme of the embodiment of the invention, the voice treatment instrument of the fundamental frequency tremor real-time measurement and audio-visual feedback technology comprises a real-time processing unit 1, a main control unit 2 and a real-time fundamental frequency tremor audio-visual feedback unit 3. The real-time processing unit 1 is used for acquiring fundamental frequency tremor data of a user when the user generates speech voice in real time. The main control unit 2 is connected with the real-time processing unit 1 and is used for measuring fundamental frequency tremor data in real time, judging fundamental frequency tremor disorders existing in a user, and selecting rehabilitation content and rehabilitation steps for speech and voice rehabilitation according to the types of the fundamental frequency tremor disorders. The real-time laryngeal cavity resonance audio-visual feedback unit is connected with the main control unit 2 and is used for displaying fundamental frequency tremor data and a rehabilitation result of fundamental frequency tremor obstacle in real time.
The measured speech voice means that the user is asserted in as loud a state as possible
And/or remain stable for several seconds, from which the user's fundamental tremor data can be obtained by analyzing his verbal voice. The main control unit 2 of the invention adopts a commonly default fundamental frequency tremor database in the current medical science or speech rehabilitation academy, and the fundamental frequency tremor database comprises fundamental frequency tremor mean values (Hz), fundamental frequency tremor standard deviations (Hz) and fundamental frequency tremor limit values ((%) of different sexes and all age groups (4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 and 17 years old, and 15 segments in total for 18-99 years old to adult). When the fundamental frequency is tremble<Determining the fundamental frequency tremor limit value as the maximum fundamental frequency tremor value of 1, and judging the voice disorder with too low fundamental frequency tremor; when the fundamental frequency is trembled>And determining the minimum fundamental frequency tremor value with the fundamental frequency tremor limit value of 1 according to the upper limit value of the fundamental frequency tremor mean value, and judging the voice disorder with overhigh fundamental frequency tremor.
The fundamental frequency tremor limit value is used for determining the fundamental frequency tremor injury degree (namely the neurogenic injury degree of the vocal sound). The fundamental frequency tremor limit is a discontinuous percentage, with 0%, 5%, 25%, 50%, 96%, 100% as fixed limits and 4%, 24%, 49%, 95% as auxiliary limits. Fundamental tremor limit 0 was defined as no injury (0-4%), 1 as mild injury (5-24%), 2 as moderate injury (25-49%), 3 as severe injury (50-95%) and 4 as complete injury (96-100%). 8 is defined as (the information obtained is not sufficient to quantify the severity of the problem) and 9 is defined as not applicable. Based on the fundamental frequency tremor data and the fundamental frequency tremor focusing limit value thereof, the fundamental frequency tremor obstacle types comprise voice obstacles with too low fundamental frequency tremor (namely, the fundamental frequency tremor is smaller than the fundamental frequency tremor mean value lower limit value, the maximum fundamental frequency tremor value with the fundamental frequency tremor limit value of 1 is determined), and voice obstacles with too high tremor (namely, the fundamental frequency tremor is larger than the fundamental frequency tremor mean value upper limit value, and the minimum fundamental frequency tremor value with the fundamental frequency tremor limit value of 1 is determined).
Specifically, the real-time processing unit 1 includes a single-channel low-pass filter, an electroacoustic glottal instrument and a microphone, and the gain of the real-time processing unit 1 to the collected speech voice is four grades: 25dB, 30dB, 35dB, 40dB, error per gear: 1.0dB (100Hz-700Hz fundamental frequency range). The low-pass frequency adopted by the single-channel low-pass filter is 5kHz, 10kHz and 20kHz in total. Selecting a 5kHz gear: when the frequency of the input signal is 5.5kHz, the maximum attenuation is more than or equal to 50 dB; selecting a 10kHz gear: when the frequency of the input signal is 11Hz, the maximum attenuation is more than or equal to 50 dB. Selecting a 20kHz gear: when the frequency of the input signal is 22kHz, the maximum attenuation is more than or equal to 50 dB. When no signal is input, the static noise is less than or equal to 1 mV.
Referring to fig. 1, the main control unit 2 includes: a rehabilitation mode and content storage module 21, a nervous voice disorder rehabilitation step and execution module 22 and a real-time fundamental frequency tremor measurement and discrimination module 23. The rehabilitation mode and content storage module 21 is used for storing the fundamental frequency tremor focusing rehabilitation mode and the fundamental frequency tremor rehabilitation content used in the rehabilitation process, and real-time feedback of fundamental frequency tremor data, fundamental frequency tremor training reduction (awakening, induction, loudness/tone increase, self-feedback), fundamental frequency tremor training increase (awakening, induction, rising and falling, self-feedback) content. The content includes audio material for playing, still image material and/or moving image material for displaying, and text and/or numbers for displaying, etc. The neurological voice disorder rehabilitation step and execution module 22 is connected with the rehabilitation mode and content storage module 21 and the real-time audio-visual feedback unit and is used for setting a fundamental frequency tremor rehabilitation mode and running fundamental frequency tremor rehabilitation content in real time. The real-time fundamental frequency tremor measurement and discrimination module 23 is connected with the real-time processing unit 1 and the rehabilitation execution module, and is used for discriminating the condition of the fundamental frequency tremor when the user generates speech voice in real time, and judging fundamental frequency tremor disorder existing in the voice of the user according to the condition. The real-time fundamental frequency tremor measurement and discrimination module 23 judges the fundamental frequency tremor focusing type based on the fundamental frequency tremor data and the corresponding fundamental frequency tremor focusing limit value.
Specifically, for each age group (15 male and female) of the same sex, the damage degree formula of the neurogenic voice disorder with excessive tremor is judged: fundamental frequency tremor mean value + fundamental frequency tremor mean value-fundamental frequency tremor limit value; for each age group (15 male and female) of the same sex, the injury degree formula for discriminating neurogenic voice disorder with low tremor is as follows: fundamental frequency tremor mean value-fundamental frequency tremor limit value; for the data between 5% of the fixed limit value and 4% of the auxiliary limit value, the data between 25% of the fixed limit value and 24% of the auxiliary limit value, the data between 50% of the fixed limit value and 49% of the auxiliary limit value, and the data between 96% of the fixed limit value and 95% of the auxiliary limit value are connected together according to rules to form continuous grades, namely, the repetition or fault of the data in each group of limit values is avoided; the connection rule is based on the fixed limit values of 0%, 5%, 25%, 50%, 96% and 100%, and expands the data of the auxiliary limit values of 4%, 24%, 49% and 95% to the data of the corresponding fixed limit values of 5%, 25%, 50% and 96%, so that the fixed limit values and the auxiliary limit values are connected into continuous grade. Based on the formula, the real-time fundamental frequency tremor measurement and judgment module 23 can determine the type of fundamental frequency tremor obstacle, specifically, the type of fundamental frequency tremor obstacle is a voice obstacle with too low fundamental frequency tremor (i.e., the fundamental frequency tremor is smaller than the lower limit value of the mean value of the fundamental frequency tremor, the maximum fundamental frequency tremor value with the fundamental frequency tremor limit value of 1 is determined), and the type of voice obstacle with too high tremor is a voice obstacle (i.e., the fundamental frequency tremor is larger than the upper limit value of the mean value of the fundamental frequency tremor, and the minimum fundamental frequency tremor value with the fundamental frequency tremor limit value of 1 is determined).
Example 1
First, a profile is built based on the user's information, as shown in detail in FIG. 3.
Then, the user is instructed to fire in the loudest possible state
And/or remain stable for several seconds, from which the user's fundamental tremor data can be obtained by analyzing his verbal voice. The main control unit 2 of the present invention adopts the default fundamental frequency tremor database commonly used in the current medical science or speech rehabilitation, the fundamental frequency tremor database contains fundamental frequency tremor mean values (Hz), fundamental frequency tremor standard deviations (Hz), and fundamental frequency tremor limit values (%) of different genders and different age groups (4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, and 17 years old, and 15 segments in total for 18-99 years old, and the specific data of the present embodiment are shown in fig. 4 in detail. When the fundamental frequency is tremble<Determining the fundamental frequency tremor limit value as the maximum fundamental frequency tremor value of 1, and judging the voice disorder with too low fundamental frequency tremor; when the fundamental frequency is tremble>And determining the minimum fundamental frequency tremor value with the fundamental frequency tremor limit value of 1 according to the upper limit value of the fundamental frequency tremor mean value, and judging the voice disorder with high tremor. The fundamental tremor limit values are used to determine the degree of fundamental tremor damage (i.e., the degree of neurogenic damage). The fundamental frequency tremor limit is a discontinuous percentage, with 0%, 5%, 25%, 50%, 96%, 100% as fixed limits and 4%, 24%, 49%, 95% as auxiliary limits. Fundamental tremor limit 0 was defined as no injury (0-4%), 1 as mild injury (5-24%), 2 as moderate injury (25-49%), 3 as severe injury (50-95%) and 4 as complete injury (96-100%). 8 is defined as (the information obtained is not sufficient to quantify the severity of the problem) and 9 is defined as not applicable. Based on the fundamental frequency tremor data and the fundamental frequency tremor limit value, the fundamental frequency tremor obstacle type comprises voice obstacle with too low fundamental frequency tremor (namely, fundamental frequency tremor<Determining the fundamental frequency tremor mean value lower limit value, determining the fundamental frequency tremor limit value as the maximum fundamental frequency tremor value of 1, and voice disorder with high tremor (namely: fundamental frequency tremor>Fundamental frequency tremor mean value upper limit value, and the minimum fundamental frequency tremor value with the fundamental frequency tremor limit value of 1) is determined.
Based on the above-described criteria and data, a report of the estimated voice quality is shown in fig. 4, and in particular,in terms of sounding function, the patient (a 45-year-old female) had laryngeal cavity resonance disorder in terms of voice quality. Treble, timbre, patient tremble in fundamental frequency F 0 t is 10Hz, which is higher than the normal range, and laryngeal cavity resonance is abnormal.
For the above-mentioned disorders, the neurological voice disorder rehabilitation step and execution module 22 gives suggestions and execution modes as detailed in fig. 5, which is as follows: 1. real-time feedback treatment, namely selecting treatment methods such as tone real-time feedback training, loudness real-time feedback training and the like; 2. the traditional treatment method is selected from a respiratory relaxation training method, a vocal relaxation training method, a laryngeal massage method, a tone matching method, a finger pressing method and other treatment methods.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (1)
1. A voice treatment instrument for real-time measurement of fundamental frequency tremor and audiovisual feedback technology, characterized by comprising: the system comprises a real-time processing unit (1), a main control unit (2) and a real-time fundamental frequency tremor audio-visual feedback unit (3);
the real-time processing unit (1) is used for acquiring fundamental frequency tremor data of a user when the user generates speech voice in real time; the fundamental frequency tremor data are: by connecting the microphone to a single-channel low-pass filter, the user fires in the loudest state
And/or remain stable for several seconds; the gain of the real-time processing unit (1) on the collected speech voice is four grades: 25dB, 30dB, 35dB, 40dB, error per gear: base frequency ranges of +/-1.0 dB and 100Hz-700 Hz; the low-pass frequency adopted by the single-channel low-pass filter is three-level 5kHz, 10kHz and 20 kHz; selecting a 5kHz gear: when the frequency of the input signal is 5.5kHz, the maximum attenuation is more than or equal to 50 dB; selecting a 10kHz gear: when in useWhen the frequency of the input signal is 11Hz, the maximum attenuation is more than or equal to 50 dB; selecting a 20kHz gear: when the frequency of the input signal is 22kHz, the maximum attenuation is more than or equal to 50 dB; when no signal is input, the static noise is less than or equal to 1 mV;
the main control unit (2) is connected with the real-time processing unit (1) and is used for measuring fundamental frequency tremor data in real time, judging fundamental frequency tremor disorders existing in a user, and selecting rehabilitation content and rehabilitation steps for speech and voice rehabilitation according to the types of the fundamental frequency tremor disorders; the main control unit (2) comprises: a rehabilitation mode and content storage module (21), a nervous voice disorder rehabilitation step and execution module (22) and a real-time fundamental frequency tremor measurement and discrimination module (23);
the rehabilitation mode and content storage module (21) is used for storing the laryngeal cavity resonance disorder rehabilitation mode and fundamental frequency tremor rehabilitation content used in the rehabilitation process, and training content of real-time feedback, reduction and increase of fundamental frequency tremor data;
the neurological voice disorder rehabilitation step and execution module (22) is connected with the rehabilitation mode and content storage module (21) and the real-time audio-visual feedback unit and is used for setting a fundamental frequency tremor rehabilitation mode and running fundamental frequency tremor rehabilitation content in real time;
the real-time base frequency tremor measurement and discrimination module (23) is connected with the real-time processing unit (1) and the rehabilitation execution module and is used for discriminating the condition of base frequency tremor generated by the user in real time and judging the laryngeal cavity resonance imbalance obstacle existing in the voice of the user according to the condition;
the real-time fundamental frequency tremor measurement and judgment module (23) converts the fundamental frequency tremor data of the user into fundamental frequency tremor limit values and qualitatively judges the damage degree of the fundamental frequency tremor;
the real-time fundamental frequency tremor measurement and judgment module (23) sends user information and fundamental frequency tremor obstacle type information to the rehabilitation execution module;
the real-time fundamental frequency tremor measurement and discrimination module (23) discriminates the fundamental frequency tremor data and the fundamental frequency tremor focusing limit value according to user information; the fundamental frequency tremor obstacle type information is judged through fundamental frequency tremor data, and when the fundamental frequency tremor is smaller than the fundamental frequency tremor mean value lower limit value, the fundamental frequency tremor limit value is determined to be the maximum fundamental frequency tremor value of 1, the voice obstacle with too low fundamental frequency tremor is judged; when the fundamental frequency tremor is larger than the upper limit value of the fundamental frequency tremor mean value, determining the minimum fundamental frequency tremor value with the fundamental frequency tremor limit value of 1, and judging the voice disorder with excessive tremor;
the fundamental tremor impairment degrees include: no injury, mild injury, moderate injury, severe injury, complete injury; wherein, the limit value of the fundamental frequency tremor measurement value is 0-4% and is defined as no injury; the limit value of the fundamental frequency tremor measurement value is 5-24% and is defined as mild injury; the limit value of the fundamental frequency tremor measurement value is 25-49% and is defined as moderate injury; defining the limit value of the fundamental frequency tremor measurement value at 50-95% as severe injury; the fundamental frequency tremor measurement value limit value is 96-100% and is defined as complete injury;
the real-time fundamental frequency tremor audio-visual feedback unit (3) is connected with the main control unit (2), and the real-time fundamental frequency tremor audio-visual feedback unit (3) is used for displaying fundamental frequency tremor data and a rehabilitation result of the laryngeal cavity resonance dysbiosis in real time.
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