CN113129853B - Sound diagnosis device and use method thereof - Google Patents
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D3/00—Details of, or accessories for, stringed musical instruments, e.g. slide-bars
- G10D3/14—Tuning devices, e.g. pegs, pins, friction discs or worm gears
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Abstract
The invention relates to a sound diagnosing device and a using method of the sound diagnosing device, the sound diagnosing device comprises a shell, wherein the shell is provided with a display screen, the edge of the shell is provided with an operation button, the display screen is provided with a string information indicating area, a tone deviation indicating area, a sound diagnosing indicating area, a preset indicating area, a tuning mode indicating area and a string health indicating area, and a sound diagnosing circuit is arranged in the shell and comprises a main frequency/oblique wave sampler, a control/analysis chip, a memory storage module and a power supply which are electrically connected with each other.
Description
Technical Field
The invention belongs to the technical field of accessories of string instruments, and particularly relates to a sound diagnosis device and a use method of the sound diagnosis device.
Background
The string instrument is to produce sounds with different tone colors and different pitches through the vibration of strings to finish playing music, the string materials of the string instrument are various, from alloying to chemical fiber materials, from manual to natural materials, the difference of the materials can influence tone colors and durability, but no matter how the materials are, once the strings are aged, the tone levels are influenced, and the tone colors can be changed, so that the music string ageing is not recognized by a musician who influences an inexperienced old channel, and the problem is often solved by tuning after the music string ageing is perceived by common people, so that the strings can only be passively replaced, and the string instrument is quite difficult and huge in work load for occasions requiring a large number of string instruments.
In the existing auxiliary equipment of the string instrument, two types of equipment related to the string are adopted, one type is a tuning machine, and the tuning machine is common auxiliary equipment of the string instrument, and the pitch of the sound emitted by the string is collected through a sensor to compare standard sounds, so that a musician is told how to tune the string, but only the level of the full string state can be adjusted, and the states of semi-finished products, 1/4 products and the like cannot be judged; the other type is a device for judging the rupture limit of the string, which is less in equipment, and whether the problem occurs or not can be judged by collecting humidity and temperature data to corrode the string, so that a musician is warned to replace the string in advance, but the rupture limit of the string is inaccurate for judging the aging of the string, the string can be ruptured usually for a long time, and even the string is ruptured nearby, the influence on tone is still small, so that the practicability is poor.
In summary, the above two existing devices cannot well satisfy the grasp of the aging condition of the strings, the influence of the aging of the strings on the tone color is more comprehensive, the irreversible change is generally caused to the tone color of the strings, and the aging condition of the strings cannot be accurately judged in time in the prior art, so that a device for notifying a player of changing the strings more accurately in time is needed.
Disclosure of Invention
Aiming at the technical defects in the background technology, the invention provides a sound diagnosis device and a use method thereof, solves the technical problems and meets the actual requirements, and the specific technical scheme is as follows:
the sound diagnosing device comprises a shell, wherein the shell is provided with a display screen, one surface of the shell opposite to the display screen is provided with a connecting bottom cover, the connecting bottom cover is provided with a connecting installation position, the edge of the shell is provided with an operation button, the display screen is provided with a string information indicating area, a sound standard deviation indicating area, a sound diagnosing indicating area, a preset indicating area, a tuning mode indicating area and a string health indicating area, and a sound diagnosing circuit is arranged in the shell and comprises a main frequency/oblique wave sampler, a control/analysis chip, a storage memory module and a power supply which are electrically connected with each other;
the control/analysis chip is electrically connected with the operation buttons, and the main frequency/oblique wave sampler is used for collecting main frequencies and/or oblique waves of the same string at the same time and takes oblique wave values as main parameters of the control/analysis chip for analyzing health information of the strings.
As a further technical scheme of the invention, the connecting installation position is provided with a magnetic installation structure or an adhesive installation structure, the connecting installation position is of an annular structure which is arranged around the edge of the connecting bottom cover, the magnetic installation structure is a magnetic attraction piece, and the adhesive installation structure is an adhesive piece or a magic tape.
As a further technical scheme of the invention, the connecting and mounting position is connected with a fixing clamp or patch, the fixing clamp comprises an upper clamp body and a lower clamp body, the upper clamp body is hinged with the lower clamp body near one end of the upper clamp body, the other end of the upper clamp body is provided with an upper clamping section, the other end of the lower clamp body is provided with a lower clamping point, and the upper clamping section is provided with a sound diagnosis device fixing position.
As a further technical scheme of the invention, the fixed position of the sound diagnosis device is movably connected with the upper clamping section through a spherical joint.
As a further technical scheme of the invention, the connecting bottom cover is buckled with the shell in a rotary buckling manner, and the surface of the connecting bottom cover is also provided with a disassembly and assembly operation groove.
The use method of the voice diagnosing device comprises two working modes of a voice diagnosing mode and a preset mode;
if the working mode of the sound diagnosing device is a sound diagnosing mode, the main frequency/oblique wave sampler collects main frequency/oblique wave signals of the current tested strings, the control/analysis chip compares the signals with standard signals preset in the storage memory module and feeds back comparison results to a string information indication area and a sound standard deviation indication area of the display screen, the output information is string sound standard information, meanwhile, the main frequency/oblique wave sampler collects main frequency/oblique wave signals of the current tested strings, and the control/analysis chip compares the signals with initial main frequency/oblique wave characteristic reference values of the corresponding strings of the storage memory module and feeds back diagnosis results to the string information indication area and the sound standard deviation indication area of the display screen, and the output information is string health information;
if the working mode of the sound diagnosing device is a preset mode, the main frequency/oblique wave sampler collects main frequency/oblique wave signals of the current tested strings, the control/analysis chip stores the signals into the storage memory module to serve as initial main frequency/oblique wave characteristic reference values of the strings, and the recorded signals are fed back to the string information indication area and the tone deviation indication area;
the signals collected by the main frequency/oblique wave sampler are the main frequency and waveform, oblique wave frequency and waveform of the string, wherein the main frequency=1/2 oblique wave frequency is the same string.
As a further technical scheme of the invention, the sound diagnosis mode is characterized in that the control/analysis chip compares the signals with the main string frequency/oblique wave information of guitar, you Ke Li, bass or custom musical instrument in the storage memory module according to different tuning modes selected by a user, wherein the main string frequency/oblique wave information of the custom musical instrument can only be input in a preset mode.
As a further technical scheme of the invention, in the sound diagnosis mode, the main frequency/oblique wave sampler collects main frequency or oblique wave signals from t time, the unit is Hz, and the obtained oblique wave signals have the irregular fluctuation times i in t time, if the times i are i min ≤i≤i max Or i max <i, judging that the strings are aged; if i in t time<i min The value of i is n times longer than tWhen i min ≤i avr ≤i max Or i max < i avr And judging that the strings are aged.
As a further technical scheme of the invention, the t time is 1s, the n times of the numerical value is an integer of 3, 4 and 5, and the i min =8, the i max =12。
As a further technical scheme of the invention, the irregular fluctuation is a real-time wave peak value of which the wave peak value of the ramp signal exceeds/falls below 120% of the wave peak value of the initial main frequency/ramp characteristic reference value or a real-time wave trough value of which the wave trough value exceeds/falls below 120% of the wave trough value of the initial main frequency/ramp characteristic reference value.
The invention has the beneficial effects that: the operation is simple and clear, the musician users at different levels can get on hands simply, the aging condition of the strings can be judged through the physical parameters of the strings, the operation is more visual, the judgment of the tone alignment part is accurate and timely, the operation is very suitable for instrument maintenance, in addition, the tuning function can be considered, the dependence on the tuning device is reduced, and the whole device has higher practical value.
Drawings
Fig. 1 is a schematic side view of the present invention.
Fig. 2 is a schematic front view of the main body of the voice diagnosis device.
Fig. 3 is a schematic bottom view of the main body of the voice diagnosis device.
Wherein: the music instrument comprises a shell 1, a display screen 2, a string information indication area 20, a tone deviation indication area 21, a sound diagnosis indication area 22, a preset indication area 23, a tuning mode indication area 24, a string health indication area 25, a connecting bottom cover 3, a dismounting operation groove 30, a connecting installation position 4, an operation button 5, a sound diagnosis circuit 6, a fixing clamp 7, an upper clamp body 70, a lower clamp body 71, an upper clamp section 72, a lower clamp point 73, a sound diagnosis device fixing position 74 and a spherical joint 75.
Detailed Description
The following description of the embodiments of the present invention is given with reference to the accompanying drawings and related examples, and it should be noted that the following related examples are merely preferred examples for better illustration of the present invention itself, but the embodiments of the present invention are not limited to the following examples, and the present invention relates to the relevant essential parts in the technical field, and should be regarded as known and understood by those skilled in the art.
In the description of the present invention, it should be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to describe the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1 to 3, a sound diagnosing device comprises a housing 1, wherein the housing 1 is provided with a display screen 2, a connecting bottom cover 3 is arranged on one surface, opposite to the display screen 2, of the housing 1, a connecting installation position 4 is arranged on the connecting bottom cover 3, an operation button 5 is arranged on the edge of the housing 1, the display screen 2 is provided with a sound diagnosing indicating area 22, a preset indicating area 23, a tuning mode indicating area 24 and a string health indicating area 25, a sound diagnosing circuit 6 is arranged in the housing 1, and the sound diagnosing circuit 6 comprises a main frequency/oblique wave sampler, a control/analysis chip, a memory storage module and a power supply, wherein the main frequency/oblique wave sampler, the control/analysis chip and the memory storage module are electrically connected with each other;
the control/analysis chip is electrically connected with the operation buttons 5, and the main frequency/oblique wave sampler collects main frequencies and/or oblique waves of the same string at the same time and takes oblique wave values as main parameters of the control/analysis chip for analyzing health information of the strings.
The invention has the innovation point that the sound diagnosing circuit 6 serving as a core component is provided with a sensor such as a main frequency/oblique wave sampler, and the sensor is characterized in that the unique frequency generated by strings during vibration can be directly collected, is not influenced by the playing force of the strings, belongs to the inherent characteristic value in physical properties, and is similar to the inherent frequency of an object.
This characteristic value has a direct correlation with the aging of the string, once the string ages, although the tuning can bring the intonation close to the new string, the presence of the aging results in the string achieving the intonation even in the empty/full state, but the difference with the new string occurs in other states such as 1/2, 1/4, etc., in other words, the string is only tensioned to bring its elasticity close to the state of the new string, but the elastic properties of the whole string are not changed, and as the string playing interval is changed, the difference becomes more remarkable, generally the shorter the playing interval is, the larger the deviation is.
The biggest problem of the prior art lies in that the problem of the change of the tone caused by the aging of the strings in the empty string state cannot be solved, the tone plays a key role in accurately deducting music from a music player, the tone caused by the aging of the strings is difficult to distinguish by a common music player, the tone is changed, the tone is unacceptable for the music performance, the music player of the old channel can judge the condition of the strings with obvious aging through careful distinguishing, and the problem of the old strings is precisely that although the tone can be regulated in the empty string state, the higher the product is, the more inaccurate, only the empty strings are often tested when the strings are tested, and therefore, the performance accident can occur in the actual performance.
Meanwhile, the strings are aged, and the strings are not necessarily aged for a long time, because moisture corrosion, oil stain pollution and manual playing can all cause physical irreversible influence on the strings in a short period, the final effects of the influence are that the physical structure of the strings is changed, and for excellent players, the aging can all generate abnormal feel and influence the final effect of playing, so that the strings need to be replaced in time.
Specifically, the strings are aged, the main frequency and the oblique wave are changed, but only the oblique wave can best represent the aging condition of the strings, and when the strings are aged, the oblique wave frequency is 2 times that of the main frequency, the waveform of the oblique wave is permanently changed, and the abnormal waveform can affect the musical sound generated after the strings vibrate in various aspects such as the tone level, the tone color and the like, so that the performance is affected.
It should be noted that the aging of the string does not represent that the string will be approaching a break, although conversely the term holds, the break of the string in practice is a sporadic event, and the difference in tone from the new string may be small or large enough to be resolved by the meat ear, so that the approaching break cannot be taken as a determinant of the aging of the string, but can only be included as one of the references in the calculation of the life of the string.
In the invention, the appearance of the device is similar to that of a tuner in the prior art, so that in order to better tune, besides using the existing main frequency/oblique wave sampler as a sampling sensor, other sensors capable of realizing the sound level identification can be additionally adopted.
In the invention, the operation button 5 is used for starting/closing, switching functions and confirming cancellation, and the switching of functions is used for prompting the current working state of the voice diagnosing device by the corresponding voice diagnosing indication area 22, the preset indication area 23, the mode indication area 24 and the string health indication area 25.
The string information indicating area 20 may display some text information, such as tuning or diagnosing the number of strings, displaying the type of tone to be tuned, etc., and typically displaying symbols of a certain tone, such as E1, D2, C3, etc.; the tone deviation indication area 21 is used for displaying the deviation value of the string sound and the tone displayed by the string information indication area, and prompting a user to adjust the tone of the string; the sound indication area 22 is used for prompting the user to enter a sound/tuning mode; the preset indication area 23 is used for prompting the user to enter a mode of presetting string information; the mode indication area 24 may display what tuning mode is currently performed on the musical instrument, for example, guitar, bass or you kriging, the tone color and the root number parameters of strings corresponding to different musical instruments are different, and when the selected musical instrument is not the three types, the mode indication area is not displayed, and only the preset indication area 23 is activated; the string health indication area 25 is a progress bar type display manner, which is used to inform the user of the health status value of a certain string, in general, the full-lattice progress is displayed as the best state/initial state of the string, and the displayed progress amount is linearly reduced along with the decrease of the string health, and the reference numeral (1) represents the first string, and so on.
While the present invention is applicable to all string instruments in principle, the best application of the present invention is guitar, you-cri-li and bass, preferably 6 strings or less string instruments, in terms of fit or application breadth, and in number exceeding 6 strings, can be achieved by increasing the chip memory capacity and increasing the number of displays of the string health indication area 25.
Referring to fig. 3, as one of the preferred embodiments of the present invention, the connection mounting location 4 is provided with a magnetic mounting structure or an adhesive mounting structure, the connection mounting location 4 is an annular structure surrounding the edge of the connection bottom cover 3, the magnetic mounting structure is a magnetic attraction piece, and the adhesive mounting structure is an adhesive piece or a magic tape.
The connection mounting location 4 may be a magnetic mounting structure or an adhesive mounting structure, wherein the magnetic mounting structure may be a magnetically attractable metal or a magnet metal itself, and the adhesive structure may be an adhesive glue or a velcro or the like for use with a stringed instrument to be tuned or diagnosed, in particular a guitar head or body.
Referring to fig. 1 or 3, as one of the preferred embodiments of the present invention, the connection mounting location 4 is connected with a fixing clamp 7 or patch, the fixing clamp 7 includes an upper clamp 70 and a lower clamp 71, the upper clamp 70 is hinged to the lower clamp 71 near one end thereof, the other end of the upper clamp 70 is provided with an upper clamping section 72, the other end of the lower clamp 71 is provided with a lower clamping point 73, and the upper clamping section 72 is provided with a sound diagnosis device fixing location 74.
The fixing clamp 7 is preferably shaped to be easily fixed to the head or body of the guitar, wherein the patch used may be a magnetic patch or an adhesive patch for easier attachment, the structure of the patch being adapted to the shape of the attachment location 4.
Referring to fig. 1, as one of the preferred embodiments of the present invention, the diagnostic instrument fixing portion 74 is movably connected to the upper clamping portion 72 by a ball joint 75.
With the spherical joint 75, the body portion of the sound diagnostic device can be arbitrarily changed in angle within the range allowed by the spherical joint 75, so that a musician who performs tuning or sound diagnosis can see information on the display screen 2 clearly.
Referring to fig. 3, as one of the preferred embodiments of the present invention, the connection bottom cover 3 is fastened to the housing 1 by means of a rotary fastener, and a dismounting operation groove 30 is further provided on the surface of the connection bottom cover 3.
This dismouting operation groove 30 can unscrew with the coin also can unscrew with the screwdriver, perhaps adopts more suitable dismantlement the shape all can, and rotatory buckle's form can let casing 1 make cylindricly, does not have the impact that the edges and corners are portable and anti drop more to dismantle more convenient.
The use method of the voice diagnosing device comprises two working modes of a voice diagnosing mode and a preset mode;
if the working mode of the sound diagnosing device is a sound diagnosing mode, the main frequency/oblique wave sampler collects main frequency/oblique wave signals of the current tested strings, the control/analysis chip compares the signals with standard signals preset in the storage memory module and feeds back comparison results to a string information indication area and a sound standard deviation indication area of the display screen, the output information is string sound standard information, meanwhile, the main frequency/oblique wave sampler collects main frequency/oblique wave signals of the current tested strings, and the control/analysis chip compares the signals with initial main frequency/oblique wave characteristic reference values of the corresponding strings of the storage memory module and feeds back diagnosis results to the string information indication area and the sound standard deviation indication area of the display screen, and the output information is string health information;
if the working mode of the sound diagnosing device is a preset mode, the main frequency/oblique wave sampler collects main frequency/oblique wave signals of the current tested strings, the control/analysis chip stores the signals into the storage memory module to serve as initial main frequency/oblique wave characteristic reference values of the strings, and the recorded signals are fed back to the string information indication area and the tone deviation indication area;
the signals collected by the main frequency/oblique wave sampler are the main frequency and waveform, oblique wave frequency and waveform of the string, wherein the main frequency=1/2 oblique wave frequency is the same string.
In the present invention, the present diagnostic instrument is applied to 2 aspects: the tuning and diagnosis functions, wherein the preset mode is used for recording the main frequency and the oblique wave information of each string, so that the main frequency and the oblique wave information are used as references for diagnosis, and meanwhile, the tuning and diagnosis functions can be applied to the angles in a mode of changing the types of the main frequency and the oblique wave information in a default state of a specific string recorded in a memory by using the preset mode, and the real-time parameters of the existing string are used for comparison to give a rough predicted value, or unconventional custom information such as string information of a string instrument in a non-guitar, bass or you-kriging is recorded.
From a reasonable point of view, the best application occasion of the invention is to record the whole process from a new string to an old string, namely, the new string is tuned by using a tuning mode, the main frequency and the oblique wave information of the new string are recorded by using a preset mode, the use of the new string for a period of time, the tuning can be performed for a plurality of times during the use process, and the condition of the string can be accurately judged by comparing the difference between the same string and the original recorded state with the sound diagnosing mode to judge whether the string is aged or not, and the aging is caused, and the change of the oblique wave is not changed along with the change of the sound level.
Meanwhile, in the using method of the invention, only the main frequency and the oblique wave parameters are proposed as the standard for judging aging, but if the influence of environmental factors on the aging of the strings can be verified, and the strings are hooked with an aging algorithm, the accuracy of sound diagnosis can be improved as optional content, but the aging of the strings is directly reflected on the change of the main frequency and the oblique wave, so that the parameters adopted by the core are still the 2 parameters.
The main frequency of a string is necessarily equal to 1/2 of the ramp frequency in a normal state, so that any one value is known, the other value can be obtained through measurement or simple conversion, and from the aging judgment perspective, the ramp frequency is more suitable for being used as a judgment parameter of string aging due to more samples.
In order to improve the interactivity of the device, the mode switching and the working state can be displayed through the display screen 2, so that the corresponding functions can generate feedback signals which are transmitted to the display screen 2 by the control/analysis chip, the keys can be arranged to be very few, for example, only mode switching keys and selection determination keys which give consideration to the switching effect are arranged, and the like, and the division degree of different functional areas on the display screen 2 is high, the division of the modes is very clear, the indicating effect is good, the operation difficulty is very low, and the device is suitable for operation by a musician with different levels.
As one of the preferred embodiments of the present invention, the sound diagnosing mode is different according to the tuning mode selected by the user, and the control/analysis chip compares the above signals with the main string frequency/ramp information of guitar, you krill, bass or custom musical instrument in the memory module, wherein the main string frequency/ramp information of custom musical instrument can only be entered in preset mode.
The switching of tuning modes of different musical instruments is a preferable technical scheme for improving tuning efficiency of users, wherein guitar is 6 strings, you cri is 4 strings, bass 4-6 strings are all 4 strings, and the tones of the three musical instruments are different, when the user switches the corresponding tuning modes in the voice mode, the user is equivalent to directly retrieving the existing parameters in the memory module for comparison, and the different tuning modes can enable the string health indication area 25 to display the string information of the corresponding quantity, so that the user can understand the current working state.
When the instrument to be diagnosed is not among the 3 instruments, the preset mode is used for inputting the string information of the instrument customized by the user into the diagnostic instrument, for example, 3-6 strings of information can be input, and each string adopts customized sound, so that the diagnostic operation in the customized mode is realized, and the tuning mode preferably adopted in the customized mode is a 12-average-law tuning method.
As one of the preferred embodiments of the present invention, in the voice mode, the main frequency/ramp sampler will collect the main frequency or ramp signal from the time t in Hz, and will obtain the number i of irregular fluctuations of the ramp signal in the time t, if the number i is i min ≤i≤i max Or i max <i, judging that the strings are aged; if i in t time<i min The value of i is n times longer than tWhen i min ≤i avr ≤i max Or i max < i avr And judging that the strings are aged.
In general, a string is aged, and irregular fluctuation is necessarily generated in a waveform diagram of a ramp frequency, and the fluctuation can be a wave crest which is obviously lower than a normal frequency or a wave trough which is obviously higher than the normal frequency, in other words, the irregular fluctuation can be identified by generating a recognizable difference with an original waveform. In general, however, even a normal string may cause irregular fluctuation in a complex environment, but this is an occasional phenomenon that would seriously affect the accuracy of judgment if any irregular fluctuation was recognized as the occurrence of string aging. Therefore, it is considered that the string is aged only if the number of times of irregular fluctuation reaches a certain range value or more than a certain critical value in a normal period or a certain time, and the more the number of fluctuation times, the more serious the aging. For example, when the fluctuation times are greater than 10 times, the aging state of the strings is poor, and when the fluctuation times are greater than 20 times, the aging state of the strings is considered to be extremely poor, so that a reasonable judgment basis is provided.
However, the string may be aged, and the abnormal times may exceed the standard in a certain minimum period or time period, but still be in a normal range for a long time, so that in order to avoid this situation, the length of the minimum period or time period may be prolonged by a multiple, the accumulated average value is taken, and the aging condition is judged by the average value, so that the judgment deviation caused by the sporadic phenomenon may be effectively eliminated.
As one of the preferred embodiments of the present invention, the t time is 1s, the n times the value is an integer of 3, 4, 5, and the i min =8, the i max =12。
1s is a basic unit of frequency calculation, so that 1s is a standard time of calculation, the multiple of n is not needed too much, 3, 4 and 5 can meet the judgment requirements in most cases from the precise point of view, wherein when n=3, the accuracy of judgment can reach more than 89%, and when n=5, the accuracy can reach 95%, so that the method has good practical value and can reduce the load of a system.
As one of the preferred embodiments of the present invention, the irregular fluctuations are real-time peak values of the ramp signal exceeding/falling below 120% of the peak value of the initial main frequency/ramp characteristic reference value or real-time valley values exceeding/falling below 120% of the valley value of the initial main frequency/ramp characteristic reference value.
The peak or trough value exceeding or falling below the initial dominant frequency/ramp characteristic reference value exceeds 120% belonging to the obviously abnormal fluctuation, and the actual experience falls below that the amplitude belongs to the normal sporadic phenomenon or the inherent property of the string, however, the selection of the value depends on the type of the string instrument and the material of the string, 120% is a higher standard value suitable for the string of the guitar, and if the string is of a softer material, the standard should be properly lowered, and vice versa.
The invention has the beneficial effects that: the operation is simple and clear, the musician users at different levels can get on hands simply, the aging condition of the strings can be judged through the physical parameters of the strings, the operation is more visual, the judgment of the tone alignment part is accurate and timely, the operation is very suitable for instrument maintenance, in addition, the tuning function can be considered, the dependence on the tuning device is reduced, and the whole device has higher practical value.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (8)
1. The sound diagnosing device comprises a shell, wherein the shell is provided with a display screen, and is characterized in that a connecting bottom cover is arranged on one surface of the shell opposite to the display screen, a connecting installation position is arranged on the connecting bottom cover, an operation button is arranged at the edge of the shell, the display screen is provided with a string information indicating area, a sound standard deviation indicating area, a sound diagnosing indicating area, a preset indicating area, a tuning mode indicating area and a string health indicating area, a sound diagnosing circuit is arranged in the shell, and the sound diagnosing circuit comprises a main frequency/oblique wave sampler, a control/analysis chip, a memory storage module and a power supply which are electrically connected with each other;
the control/analysis chip is electrically connected with the operation buttons, and the main frequency/oblique wave sampler is used for collecting main frequencies and/or oblique waves of the same string at the same time and takes oblique wave values as main parameters of the control/analysis chip for analyzing the health information of the strings;
the using method of the sound diagnosing device comprises two working modes, namely a sound diagnosing mode and a preset mode;
if the working mode of the sound diagnosing device is a sound diagnosing mode, the main frequency/oblique wave sampler collects main frequency/oblique wave signals of the current tested strings, the control/analysis chip compares the signals with standard signals preset in the storage memory module and feeds back comparison results to a string information indication area and a sound standard deviation indication area of the display screen, the output information is string sound standard information, meanwhile, the main frequency/oblique wave sampler collects main frequency/oblique wave signals of the current tested strings, and the control/analysis chip compares the signals with initial main frequency/oblique wave characteristic reference values of the corresponding strings of the storage memory module and feeds back diagnosis results to the string information indication area and the sound standard deviation indication area of the display screen, and the output information is string health information;
if the working mode of the sound diagnosing device is a preset mode, the main frequency/oblique wave sampler collects main frequency/oblique wave signals of the current tested strings, the control/analysis chip stores the signals into the storage memory module to serve as initial main frequency/oblique wave characteristic reference values of the strings, and the recorded signals are fed back to the string information indication area and the tone deviation indication area;
the signals collected by the main frequency/oblique wave sampler are the main frequency and waveform, oblique wave frequency and waveform of the strings, wherein the main frequency=1/2 oblique wave frequency is carried out on the same string;
in the sound diagnosis mode, the main frequency/oblique wave sampler collects main frequency or oblique wave signals from t time with the unit of Hz, and the obtained oblique wave signals fluctuate irregularly in the t timeI, if the number of times i is i min ≤i≤i max Or i max <i, judging that the strings are aged; if i in t time<i min The value of i is n times longer than tWhen i min ≤i avr ≤i max Or i max < i avr And judging that the strings are aged.
2. The sound diagnostic device as set forth in claim 1, wherein the connection mounting location is provided with a magnetic mounting structure or an adhesive mounting structure, the connection mounting location is an annular structure surrounding the edge of the connection bottom cover, the magnetic mounting structure is a magnetic sheet, and the adhesive mounting structure is an adhesive sheet or a velcro.
3. The sound diagnostic device according to claim 1, wherein the connection installation position is connected with a fixing clamp or patch, the fixing clamp comprises an upper clamp body and a lower clamp body, the upper clamp body is hinged with the lower clamp body near one end of the upper clamp body, an upper clamping section is arranged at the other end of the upper clamp body, a lower clamping point is arranged at the other end of the lower clamp body, and the upper clamping section is provided with a sound diagnostic device fixing position.
4. A sound diagnostic device as claimed in claim 3, wherein said sound diagnostic device securing means is movably connected to said upper clamping section by a ball joint.
5. The sound diagnosis apparatus as claimed in claim 1, wherein the connection bottom cover is fastened to the housing by means of a rotary fastener, and a dismounting operation groove is further provided on a surface of the connection bottom cover.
6. The sound diagnostic device according to claim 1, wherein the sound diagnostic mode is based on a tuning mode selected by a user, and the control/analysis chip compares the above signal with the information of the main string frequency/ramp of guitar, you krill, bass or custom musical instrument in the memory module, wherein the information of the main string frequency/ramp of custom musical instrument can be entered only in a preset mode.
7. The sound diagnostic device as set forth in claim 1, wherein said t time is 1s, said n times is an integer of 3, 4, 5, and said i min =8, the i max =12。
8. The sound diagnostic device of claim 1, wherein the irregular fluctuations are real-time peaks of the ramp signal that are 120% above/below the peak value of the initial main frequency/ramp characteristic reference value or real-time valleys that are 120% above/below the valley value of the initial main frequency/ramp characteristic reference value.
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