CN101853650A - Music processing and output system and method thereof - Google Patents
Music processing and output system and method thereof Download PDFInfo
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- CN101853650A CN101853650A CN200910081373A CN200910081373A CN101853650A CN 101853650 A CN101853650 A CN 101853650A CN 200910081373 A CN200910081373 A CN 200910081373A CN 200910081373 A CN200910081373 A CN 200910081373A CN 101853650 A CN101853650 A CN 101853650A
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Abstract
The invention belongs to an electronic measuring system and an electronic measuring method for acquiring and processing music signals in the fields of music teaching and entertainment, and particularly relates to a system and a method for acquiring, converting, measuring and outputting music pitches. A music processing and output system comprises a music signal acquisition processor, a communication module and a storage module. The system is characterized by also comprising a signal control module, a music signal comparison and evaluation module and an output module. The system can accurately measure and record data of a whole singing process of a user, and contrasts a music score and a piano keyboard on a computer interface to draw a sound-graph curve in a graph mode. The system also can provide various statistical data such as an instantaneous value of a certain point, a pitch average value of a certain time period, a maximum pitch deviation value and the like.
Description
Technical field
The invention belongs to the electronic measurement system and the method for in music teaching and entertainment field, music signal being carried out acquisition process, relate in particular to and a kind ofly gather, the high and system and method exported of conversion and acoustic at the music pitch.
Background technology
Music is as an art discipline, and its teaching process has its singularity.Along with science and technology development, many modern science and technology constantly are applied to music field, for its composition, performance, music digitalizing processing, multimedia teaching, scientific research or the like field provides new technology, new equipment and new method, make the development of music reach unprecedented height and popularity.Yet to the measurement quick and precisely of music, the demand on handling and exporting is met far away in the prior art, needs constantly to the developing of wider darker field.In the prior art, though a lot of new equipment function is different, music is measured and handled output is most basic part, and the precision of measurement and speed directly influence the performance and the class of equipment.The equipment that has makes some originally good intention not reach the anticipation target because of measuring technique is not good enough, the equipment that has has strengthened trial-produce period and cost of products because of the complexity exploitation of measuring unit.
More existing dissimilar tone correcting devices and metronome can be assisted the vocal music training in the prior art.Its method is to measure the instantaneous frequency of sound, is converted into the pitch value and shows by pointer, or a certain set period is obtained mean value, provides objective evaluation.These methods can be offered help for teaching, but can not satisfy the further demand of user.For example accuracy in pitch is fine in basic interval mould is sung, and just has error even out of tune when singing different melody.The user wishes that instrument can be reflected in the accuracy in pitch situation in the different melodies, and stable situation in the sound time-continuing process or the like is provided.Put it briefly, the user need a kind of can reflect vocal music dynamically continuously overall process, can be to each detail records and the instrument of reading directly perceived.
The inventor finds through years of researches, can not only reflect the accuracy in pitch that the interval mould is sung as the music signal treating apparatus, can also show the accuracy in pitch of each details in the whole melody performance process, and can further help the problem on the customer analysis vocal technique.Karaoke is amusement equipment very popular and that generally use for another example, but people also wish and can improve constantly in singing amusement.If the music sound and graph instrument is combined with the function of karaoke equipment, the accuracy in pitch curves overlapped of user's reality being sung curve and standard shows, accuracy in pitch situation, the discovery of understanding oneself from the contrast directly perceived of curve need improved place, make existing entertainment way bring up to a new class.Therefore research and develop and a kind ofly measure music signal and all be crucial for carrying out degree of depth creation and music teaching the system and method that signal is handled and exported.Simultaneously, also need as far as possible simplified equipment is reached effect and purpose easy to implement.
Summary of the invention
The present invention is in order to solve problems of the prior art, a kind of music processing and output system and method thereof have been researched and developed, the present invention can accurately measure the overall process data of singing with the recording user white silk, and contrast music score and fingerboard is with the graphics mode sound figure curve that draws on computer interface.System can also provide various statisticss such as the pitch mean value of the instantaneous value of certain point, a certain period, maximum pitch deviate according to demand on this basis.
Technical scheme of the present invention is as follows,
A kind of music is handled and output system, comprises the music signal Acquisition Processor, communication module, memory module, signal controlling module, music signal comparison evaluation module and output module;
Described music signal Acquisition Processor comprises music signal probe unit and music signal processing unit; Described music signal Acquisition Processor is used for gathering the input music signal, and music signal is carried out data processing;
Described communication module is used for the music signal of described music signal Acquisition Processor collection is imported described memory module and described signal controlling module, and passes to described music signal Acquisition Processor under the steering order of described communication module with described signal controlling module;
Memory module is used for each instruction in the storage system, systematic parameter, music score music signal parameter, detection tone music signal information, user profile etc.;
Described music signal comparison evaluation module is used for music signal and the music score music signal gathered are compared, and music indexs such as pitch, the duration of a sound, rhythm, trill are made comparison result;
Described output module comprises voice output unit and sound figure output unit; Described voice output unit is used to export the music score tone signal or gathers tone signal; Described sound figure output unit will be exported sound figure, and described sound figure comprises music score district and sound figure curve district; Described music score district output music score, described sound figure curve district will export music score standard pronunciation curve and gather the sound curve;
Described signal controlling module sends probe instructions for described music signal Acquisition Processor by described communication module, and the signal after described music signal Acquisition Processor collection music signal also will be handled is by passing described signal controlling module and memory module back on the communication module; Described signal controlling module sends instruction for described music signal comparison evaluation module, and music score music signal in memory module and detection tone music signal are finished the music signal comparison; Described signal controlling module is by described output module output sound signal and sound figure.
In order to realize accurately gathering the purpose of music signal, described music signal Acquisition Processor comprises the music signal probe unit, music signal processing unit, music signal storage unit, central signal processing unit;
Described music signal probe unit comprises the voice signal input circuit; Described music signal probe unit is connected with described central signal processing unit by described music signal processing unit, described music signal probe unit is imported described music signal processing unit according to the instruction that the central signal processing unit sends with the signal of gathering, and music signal is handled;
Described music signal storage unit is connected with described central signal processing unit, is used to store the music signal parameter;
Described central signal processing unit is connected with described communication module, finishes the input of data-signal, output; The other end of described communication module is connected with described signal controlling module, carries out exchanges data and obtains power supply;
Described central signal processing unit is controlled described music signal probe unit and is carried out signals collecting, and music signal to be measured is imported described music signal processing unit, and music signal is handled; Described central signal processing unit obtains the parameter that characterizes the music pitch by described communication module, and stores in the described music signal storage unit; The to be measured music signal of described central signal processing unit after with described music signal processing unit processes is by calculating and be converted to the pitch data; And the pitch data that obtain are transferred to described signal controlling module and memory module by described communication module, finish gatherer process.
In order to finish gatherer process, described music signal processing unit comprises filtering circuit and comparer, and the music signal to be measured that the music signal processing unit is advanced in described input is wave circuit after filtration, the filtering interfering ripple; And will become pulse signal from the analog-signal transitions of filtering circuit output by described comparer, import described central signal processing unit;
Described music signal Acquisition Processor also comprises a signal amplification unit, and described signal amplification unit is connected with filtering circuit, be used for signal is amplified, and the signal after will amplifying is imported described music signal processing unit.
In system architecture inside, need every music parameter of systematic parameter and music score be provided with, therefore described signal controlling module also comprises a parameter set unit, comprises system parameter setting for example pitch resolution, time shaft length ratio, music score district and sound map-area ratio, musical note, standard pronunciation, loop play control; Be provided with the music score parameter, it comprises between tone mark, speed, broadcast area, main part, and whether broadcast, music score observability, lyrics observability, tone color, singer's sex of each part; And customer parameter, as user's name, singer's sex, descant, double bass.And every data that will be provided with deposit in the memory module.
The present invention is in order to realize real-time outputting music result, and the sound figure output unit in the described output module comprises output in the sound figure in music score district and sound figure curve district;
Described music score district comprises music score, lyrics display unit, and it adopts numbered musical notation or staff mode to show all or part of music score and the lyrics;
Described sound figure curve district comprises music score standard signal display unit and gathers the music signal display unit, described music score standard signal display unit shows with the pitch bar pitch and the duration of main each note of part, and shows main part range scope in sound figure curve district; Described collection music signal display unit will show in sound figure curve district according to parameter setting and melody playing progress rate by the collection music pitch data-signal that described communication module is uploaded.
In the application of reality, described communication module adopts USB PORT COM circuit.
The present invention also comprises a kind of music processing and output intent, and described method comprises music signal acquisition process step, communication step, storing step, signal controlling step, music signal comparison evaluation procedure and output step;
Described music signal acquisition process step is used for gathering the input music signal, and music signal is carried out data processing;
Described communication step is used for the music signal of described music signal acquisition process step is imported in memory module and the signal controlling processing module, and described communication step will be passed to described music signal Acquisition Processor under the signal controlling instruction;
Described storing step is used for each instruction in the storage system, systematic parameter, music score music signal parameter, detection tone music signal information, user profile etc.;
Described music signal comparison evaluation procedure is used for music signal and the music score standard pronunciation music signal gathered are compared, and music indexs such as pitch, the duration of a sound, rhythm, trill are made comparison result;
Described output step is used for output sound signal and sound figure; Described output sound signal is used to export the music score tone signal or gathers tone signal; Described output sound figure is that output comprises music score district and sound figure curve district image; Described sound figure curve district will export music score standard pronunciation curve and gather the music curve;
Described signal controlling step is used for sending probe instructions to described music signal Acquisition Processor, and the signal after described music signal Acquisition Processor collection music signal also will be handled is by passing described signal controlling module and memory module back on the communication step;
Described signal controlling step also is used to control described music signal comparison evaluation module, sends instruction for described music signal comparison evaluation module, and music score music signal in memory module and collection music signal are finished the music signal comparison;
Also comprise in the described signal controlling step and send steering order, by described output module output sound signal and sound figure to output module.
Also comprise a parameter setting up procedure in described signal controlling step, it comprises that system parameter setting step and music score parameter are provided with step;
Described system parameter setting step is to pitch resolution, time shaft length ratio, music score district and sound map-area ratio, musical note, standard pronunciation, loop play control procedure;
The setting of described music score parameter be between tone mark, speed, broadcast area, main part, and each part broadcast, music score observability, lyrics observability, tone color and customer parameter is controlled and setting up procedure;
And every data that will be provided with deposit in the memory module.
In output procedure, comprise sound figure output procedure in the described output step; Described sound figure output procedure is used for and will comprises the sound figure output in music score district and sound figure curve district;
Described output music score district step will be for will adopt numbered musical notation or staff mode to show all or part of music score and the lyrics;
Described output sound figure curve district step comprises the music score standard signal and gathers music signal for output; Described output music score standard signal shows with the pitch bar pitch and the duration of main each note of part, and shows main part range scope in sound figure curve district; Described output is gathered music signal the music pitch data-signal of gathering is shown in sound figure curve district according to parameter setting and melody playing progress rate.
The present invention combines fast accurate electronic measurement technique with powerful calculating ability, graphics capability, interface alternation ability, intelligent processing capacity, storage capacity, peripheral hardware expansion capability and the network throughput that computing machine is had, reach real-time audio measuring speed and precision, have simultaneously the abundant information that can fully represent sound figure again, realize the various functions of expansion thus.Have that function is strong, applied range, practical, friendly interface, be easy to advantage such as popularization.
The present invention can accurately measure the overall process data of singing with the recording user white silk, and contrast music score and fingerboard is with the graphics mode sound figure curve that draws on computer interface.System can also provide various statisticss such as the pitch mean value of the instantaneous value of certain point, a certain period, maximum pitch deviate according to demand on this basis.Even the people that music foundation is very poor, also can be clear that the accuracy in pitch and the rhythm situation of whole and details from sound figure curve, help us to find individual problem and the analysis of law problem that is easy to ignore, help the user to train targetedly, also make the user can see the progress of oneself quantitatively, strengthen learning confidence and interest.
The advantage of sound figure not only is readability directly perceived, can also observe graphic feature by let us, further analyzes the reason that forms these features according to graphic feature, and range of application is expanded to solfeggio field in addition.For example to the understanding and the improvement of vocal technique and breath utilization.Also can carry out the research of some unknown problems relevant by it with pitch.
Description of drawings
Fig. 1 is the structural representation of system of the present invention;
Fig. 2 is the structural representation of music signal Acquisition Processor of the present invention;
Fig. 3 is the structural representation of music signal probe unit in the music signal Acquisition Processor of the present invention
Fig. 4 is the circuit module synoptic diagram of music signal processing unit in the music signal Acquisition Processor of the present invention
Fig. 5 is music signal storage unit and central signal processing unit connection diagram in the music signal Acquisition Processor of the present invention
Fig. 6 is communication module circuit connection diagram in the music signal Acquisition Processor of the present invention
Fig. 7 is the sound figure synoptic diagram of the present invention's output;
Fig. 8 is the inventive method structural representation;
Fig. 9 is a music signal acquisition process procedure chart of the present invention.
Above-mentioned each width of cloth accompanying drawing will be illustrated in conjunction with embodiment
Embodiment
Fig. 1 is the structured flowchart of system of the present invention. as shown in Figure 1, computing machine of the present invention is connected with the music signal Acquisition Processor by USB interface, provides music signal Acquisition Processor power supply by computing machine, assigns fill order, receive measurement data, storage in computing machine, demonstration and further application.
A kind of music is handled and output system, comprises the music signal Acquisition Processor, communication module, memory module, signal controlling module, music signal comparison evaluation module and output module;
Described music signal Acquisition Processor comprises music signal probe unit and music signal processing unit; Described music signal Acquisition Processor is used for gathering the input music signal, and music signal is carried out data processing;
Described communication module is used for the music signal of described music signal Acquisition Processor collection is imported described memory module and described signal controlling module, and passes to described music signal Acquisition Processor under the steering order of described communication module with described signal controlling module;
Memory module is used for each instruction in the storage system, systematic parameter, music score music signal parameter, detection tone music signal information, user profile etc.;
Described music signal comparison evaluation module is used for music signal and the music score music signal gathered are compared, and music indexs such as pitch, the duration of a sound, rhythm, trill are made comparison result;
Described output module comprises voice output unit and sound figure output unit; Described voice output unit is used to export the music score tone signal or gathers tone signal; Described sound figure output unit will be exported sound figure, and described sound figure comprises music score district and sound figure curve district; Described music score district output music score, described sound figure curve district will export music score standard pronunciation curve and gather the sound curve;
Described signal controlling module sends probe instructions for described music signal Acquisition Processor by described communication module, and the signal after described music signal Acquisition Processor collection music signal also will be handled is by passing described signal controlling module and memory module back on the communication module; Described signal controlling module sends instruction for described music signal comparison evaluation module, and music score music signal in memory module and detection tone music signal are finished the music signal comparison; Described signal controlling module is by described output module output sound signal and sound figure.
In system architecture inside, need every music parameter of systematic parameter and music score be provided with, therefore described signal controlling module also comprises a parameter set unit, comprises system parameter setting for example pitch resolution, time shaft length ratio, music score district and sound map-area ratio, musical note, standard pronunciation, loop play control; Be provided with the music score parameter, it comprises between tone mark, speed, broadcast area, main part, and whether broadcast, music score observability, lyrics observability, tone color, singer's sex of each part; And customer parameter, as user's name, singer's sex, descant, double bass.And every data that will be provided with deposit in the memory module.
In the application of reality, described communication module adopts USB PORT COM circuit.
Wherein, signal controlling module and memory module, communication module, output module, parameter is provided with module, and music signal comparison evaluation module is connected, and the order that receives is communicated to corresponding module after treatment carries out.
Parameter is provided with module and revises parameter, the storehouse that reads and writes data according to being provided with of user, as the exectorial condition of each functional module.
Music score in the output module is play by the broadcast of user command with circulation, lifting/lowering accent, random fashion control melody, press user-specified parameters such as tone mark, speed, full part or part part are play melody, and notice statistical appraisal module, carry out broadcasting time statistics, training time statistics and training daily record and generate.Playing melody simultaneously, send real-time measuring command to the vocal music processor by Upper machine communication module.
Sound figure shows the pitch data of uploading from communication module acquisition music signal processor, by order, parameter and the melody playing progress rate curve that in sound figure coordinate system, draws, can provide the sound diagram data to carry out statistical study, also can deposit sound figure curve and singer's recording in database, reproduce and playback.
The statistical appraisal module can be added up training content, effective training time, broadcast number of times, generates the training daily record by the user and is stored in database; Also can obtain evaluations such as instantaneous pitch value, note mean value, maximum fluctuation value, accuracy in pitch scoring, trill analysis according to the sound diagram data.
Tool model links to each other with database module with interface management.Way to manage, personalizing parameters in order to generate some hommizations deposit database in, use these information as control mode and parameter in application.For example generate musical note definition list, metronome definition list, customer parameter table, melody option table, tone color option table etc. at random at random.
Database management module links to each other with order control, parameter setting and each functional module.The management and the use of systematic parameter and personalizing parameters, control mode are provided on the one hand, preserve a large number of users training information on the other hand, for user's statistical study, sum up research and provide support.
Communication module realizes that computer software provides the former data the order control of vocal music processor and the latter.
Fig. 2 is the structural representation of music signal Acquisition Processor of the present invention.In order to realize accurately gathering the purpose of music signal, described music signal Acquisition Processor comprises the music signal probe unit, music signal processing unit, music signal storage unit, central signal processing unit;
Described music signal probe unit comprises the voice signal input circuit; Described music signal probe unit is connected with described central signal processing unit by described music signal processing unit, described music signal probe unit is imported described music signal processing unit according to the instruction that the central signal processing unit sends with the signal of gathering, and music signal is handled;
Described music signal storage unit is connected with described central signal processing unit, is used to store the music signal parameter;
Described central signal processing unit is connected with described communication module, finishes the input of data-signal, output; The other end of described communication module is connected with described signal controlling module, carries out exchanges data and obtains power supply;
Described central signal processing unit is controlled described music signal probe unit and is carried out signals collecting, and music signal to be measured is imported described music signal processing unit, and music signal is handled; Described central signal processing unit obtains the parameter that characterizes the music pitch by described communication module, and stores in the described music signal storage unit; The to be measured music signal of described central signal processing unit after with described music signal processing unit processes is by calculating and be converted to the pitch data; And the pitch data that obtain are transferred to described signal controlling module and memory module by described communication module, finish gatherer process.
In order to finish gatherer process, described music signal processing unit comprises filtering circuit and comparator circuit, and the music signal to be measured that the music signal processing unit is advanced in described input is wave circuit after filtration, the filtering interfering ripple; And by described comparator circuit analog-signal transitions is become pulse signal, import described central signal processing unit.Described music signal Acquisition Processor also comprises a signal amplification unit, and described signal amplification unit is connected with filtering circuit, be used for simulating signal is amplified, and the signal after will amplifying is imported described music signal processing unit.
Fig. 3 is the structural representation of music signal probe unit in the music signal Acquisition Processor of the present invention
In order to finish the process that music signal is surveyed, comprise the voice signal input circuit, it comprises: acoustic pickup and signal amplification unit.
Acoustic pickup is the high sensitivity electret mike, and model is: C2F9767-o1.And signal amplification unit adopts note amplifier, is general bipolar operational amplifier, adoptable model: LM324 etc.Enlargement factor is decided on pick-up sensitivity, and general desirable about 200.The note amplifier effect is that the voice signal with music is transformed into electric signal.
Fig. 4 is the circuit module synoptic diagram of music signal processing unit in the music signal Acquisition Processor of the present invention
Described music signal processing unit comprises filtering circuit and comparer, and the music signal to be measured that the music signal processing unit is advanced in described input is wave circuit after filtration, the filtering interfering ripple; And will become pulse signal from the analog-signal transitions of filtering circuit output by described comparer, import described central signal processing unit.
The signal amplification unit that described music signal processing unit as shown in Figure 3 comprises, described signal amplification unit is connected with filtering circuit, be used for simulating signal is amplified, and the signal after will amplifying is imported described music signal processing unit.
Described audio frequency low-pass filter adopts eight rank low-pass filter: MAX7400, the clock decision that its low pass bandwidth is provided by the central signal processing unit, and this wave filter can filter higher hamonic wave and other noises of sound.Schmidt's comparer becomes pulse signal with the analog-signal transitions that wave filter comes out, and under the control of central signal processing unit, deposits the music signal storage unit in.
Fig. 5 is music signal storage unit and central signal processing unit connection diagram in the music signal Acquisition Processor of the present invention
In the application of reality, music signal storage unit and central signal processing unit are included in the single-chip microcomputer.Single-chip microcomputer can adopt general single chips such as AT89C52 or MEGA16.The music signal storage unit can directly be used the EEPROM and the SRAM of single-chip microcomputer inside, is used to store customer parameter and temporarily deposits repeatedly sampled result.The central signal processing unit is the core of this device, it receives from the instruction of host computer and provides this to install all control signals that other modules need, handle music signal simultaneously, send to host computer by the USB mouth at last and process and display from the music signal storage unit.
Fig. 6 is communication module circuit connection diagram in the music signal Acquisition Processor of the present invention
Described communication module is made up of USB mouth special chip CH372 and USB mouth, and it is transferred to this device with the steering order of host computer, and the music signal after reception of this device and the processing is sent to host computer.
The present invention can link to each other with main equipments such as computing machine, teaching equipment, amusement equipment by the USB interface of standard, realizes the transmitted in both directions of data.The note height measuring instrument is accepted instruction and the parameter that main equipment sends by the USB communication unit, carries out music by the main equipment requirement and measures, and measurement result is returned to main equipment, for the further statistical study and the demonstration of drawing.
Fig. 7 is the sound figure synoptic diagram of the present invention's output; The present invention is in order to realize real-time outputting music result, and the sound figure output unit in the described output module comprises output in the sound figure in music score district and sound figure curve district;
Described music score district comprises music score, lyrics display unit, and it adopts numbered musical notation or staff mode to show all or part of music score and the lyrics;
Described sound figure curve district comprises music score standard signal display unit and gathers the music signal display unit, described music score standard signal display unit shows with the pitch bar pitch and the duration of main each note of part, and shows main part range scope in sound figure curve district; Described collection music signal display unit will show in sound figure curve district according to parameter setting and melody playing progress rate by the collection music pitch data-signal that described communication module is uploaded.
Be menu area above the interface, the centre is the music score district, and the below is the sound map-area.User's operation realizes by menu area.Music score district demonstration numbered musical notation or staff, the lyrics.The sound map-area shows fingerboard and the two-dimensional coordinate system of pitch～time, and pitch coordinate line that draws corresponding with keyboard in coordinate system and trifle duration coordinate line are further by music score master part draw standard pitch bar and actual measurement sound figure curve.
Fig. 8 is the inventive method process flow diagram.A kind of music is handled and output intent, and described method comprises music signal acquisition process step, communication step, storing step, signal controlling step, music signal comparison evaluation procedure and output step;
Described music signal acquisition process step is used for gathering the input music signal, and music signal is carried out data processing;
Described communication step is used for the music signal of described music signal acquisition process step is imported in memory module and the signal controlling processing module, and described communication step will be passed to described music signal Acquisition Processor under the signal controlling instruction;
Described storing step is used for each instruction in the storage system, systematic parameter, music score music signal parameter, detection tone music signal information, user profile etc.;
Described music signal comparison evaluation procedure is used for music signal and the music score standard pronunciation music signal gathered are compared, and music indexs such as pitch, the duration of a sound, rhythm, trill are made comparison result;
Described output step is used for output sound signal and sound figure; Described output sound signal is used to export the music score tone signal or gathers tone signal; Described output sound figure is that output comprises music score district and sound figure curve district image; Described sound figure curve district will export music score standard pronunciation curve and gather the music curve;
Described signal controlling step is used for sending probe instructions to described music signal Acquisition Processor, and the signal after described music signal Acquisition Processor collection music signal also will be handled is by passing described signal controlling module and memory module back on the communication step;
Described signal controlling step also is used to control described music signal comparison evaluation module, sends instruction for described music signal comparison evaluation module, and music score music signal in memory module and collection music signal are finished the music signal comparison;
Also comprise in the described signal controlling step and send steering order, by described output module output sound signal and sound figure to output module.
Also comprise a parameter setting up procedure in described signal controlling step, it comprises system parameter setting for example pitch resolution, time shaft length ratio, music score district and sound map-area ratio, musical note, standard pronunciation, loop play control; Be provided with the music score parameter, it comprises between tone mark, speed, broadcast area, main part, and whether broadcast, music score observability, lyrics observability, tone color, singer's sex of each part; And customer parameter, as user's name, singer's sex, descant, double bass.And every data that will be provided with deposit in the memory module.
In output procedure, comprise sound figure output procedure in the described output step; Described sound figure output procedure is used for and will comprises the sound figure output in music score district and sound figure curve district;
Described output music score district will be for will adopt numbered musical notation or staff mode to show all or part of music score and the lyrics;
Described output sound figure curve district comprises the music score standard signal and gathers music signal for output; Described output music score standard signal shows with the pitch bar pitch and the duration of main each note of part, and shows main part range scope in sound figure curve district; Described output is gathered music signal the music pitch data-signal of gathering is shown in sound figure curve district according to parameter setting and melody playing progress rate.
Fig. 9 is a music signal acquisition process procedure chart of the present invention
As Fig. 2-shown in Figure 6, the music signal Acquisition Processor, audio frequency input circuit, filtering circuit, comparator circuit and CPU (central processing unit) are connected in series, and CPU (central processing unit) is connected with the EEPROM unit, is connected with the USB communicating circuit.And obtain power supply from computing machine by the USB mouth.
After the music signal Acquisition Processor receives the work order of computing machine, start metering circuit, carry out the processing of vocal signal by audio frequency input circuit, filtering circuit, comparator circuit, in CPU (central processing unit) sampling, step-by-step counting, cycle conversion, the conversion of pitch unit, the pitch data are sent to host computer by the USB communicating circuit.
The present invention can assist singer's training in the following areas:
1. Listening Training: utilize random play features of the present invention and customer parameter table, melody option table, tone color option table at random at random, carry out the mould of single-tone and interval and sing.Help the singer to overcome because the hearing illusion that difference caused of tone color improves the resolution characteristic and the listening of pitch of fundamental tone are distinguished precision.
2. pitch control ability training: with the present invention's can describe to sing sound figure curve of overall process, the deviation of pitch in short-term in sound head, sound tail and the time-continuing process that clear reflection causes owing to problems such as singing state, sounding position, breath utilizations.To all kinds of accuracy in pitch deviation situations, the present invention also provides intelligent accuracy in pitch case study storehouse, and prompting may cause the multiple reason of every class situation, and the singer can be trained targetedly
3. interval memory capability training: utilize main part mute function of the present invention, the singer according to the real deviation of singing curve and target pitch position, revises the interval memory with interval memory sightsinging, progressively sets up correct accuracy in pitch notion.
4. melody accuracy in pitch training: opening of the present invention can allow to import different melody, different-style music score, can carry out high-level melody accuracy in pitch training.
5. rhythm training: understand the cadence information on the sound figure of the present invention, correction of deviation
6. breath Control Training: from the fluctuation of sound figure curve of the present invention, can find out the homogeneity of singer's breath utilization, the power of control ability, utilize the real-time display characteristic of sound figure of the present invention, can allow the singer experience different singing styles and breath control effect in real time.
6. the white silk of directly using similar sound word to explain the meaning of a new word: chorus needs straight sound, and sound figure of the present invention can write down amplitude, frequency and the phase place of singer's trill, expresses the trill situation quantitatively, helps to improve.
7. music composition for two or more chorus training: the present invention is to the support of multi part and Play Control, main part selection function, can allow the singer simulate rehearsal with other part and record singer part sound figure curve.Under a people's situation, chorus or with the training of other singer's the music composition for two or more.
Technique scheme is one embodiment of the present invention, for those skilled in the art, on the basis that the invention discloses application process and principle, be easy to make various types of improvement or distortion, and be not limited only to the described method of the above-mentioned embodiment of the present invention, therefore previously described mode is a specific embodiment, and does not have restrictive meaning.
Claims (9)
1. a music is handled and output system, comprises the music signal Acquisition Processor, communication module, and memory module is characterized in that, described system also comprises the signal controlling module, music signal comparison evaluation module and output module;
Described music signal Acquisition Processor comprises music signal probe unit and music signal processing unit; Described music signal Acquisition Processor is used for gathering the input music signal, and music signal is carried out data processing;
Described communication module is used for the music signal of described music signal Acquisition Processor collection is imported described memory module and described signal controlling module, and passes to described music signal Acquisition Processor under the steering order of described communication module with described signal controlling module;
Memory module is used for each instruction in the storage system, systematic parameter, music score music signal parameter, detection tone music signal information, user profile etc.;
Described music signal comparison evaluation module is used for music signal and the music score music signal gathered are compared, and music indexs such as pitch, the duration of a sound, rhythm, trill are made comparison result;
Described output module comprises voice output unit and sound figure output unit; Described voice output unit is used to export the music score tone signal or gathers tone signal; Described sound figure output unit will be exported sound figure, and described sound figure comprises music score district and sound figure curve district; Described music score district output music score, described sound figure curve district will export music score standard pronunciation curve and gather the sound curve;
Described signal controlling module sends probe instructions for described music signal Acquisition Processor by described communication module, and the signal after described music signal Acquisition Processor collection music signal also will be handled is by passing described signal controlling module and memory module back on the communication module; Described signal controlling module sends instruction for described music signal comparison evaluation module, and music score music signal in memory module and detection tone music signal are finished the music signal comparison; Described signal controlling module is by described output module output sound signal and sound figure.
2. a kind of music according to claim 1 is handled and output system, it is characterized in that,
Described music signal Acquisition Processor comprises the music signal probe unit, music signal processing unit, music signal storage unit, central signal processing unit;
Described music signal probe unit comprises the voice signal input circuit; Described music signal probe unit is connected with described central signal processing unit by described music signal processing unit, described music signal probe unit is imported described music signal processing unit according to the instruction that the central signal processing unit sends with the signal of gathering, and music signal is handled;
Described music signal storage unit is connected with described central signal processing unit, is used to store the music signal parameter;
Described central signal processing unit is connected with described communication module, finishes the input of data-signal, output; The other end of described communication module is connected with described signal controlling module, carries out exchanges data and obtains power supply;
Described central signal processing unit is controlled described music signal probe unit and is carried out signals collecting, and music signal to be measured is imported described music signal processing unit, and music signal is handled; Described central signal processing unit obtains the parameter that characterizes the music pitch by described communication module, and stores in the described music signal storage unit; The to be measured music signal of described central signal processing unit after with described music signal processing unit processes is by calculating and be converted to the pitch data; And the pitch data that obtain are transferred to described signal controlling module and memory module by described communication module, finish gatherer process.
3. a kind of music according to claim 2 is handled and output system, it is characterized in that,
Described music signal processing unit comprises filtering circuit and comparer, and the music signal to be measured that the music signal processing unit is advanced in described input is wave circuit after filtration, the filtering interfering ripple; And will become pulse signal from the analog-signal transitions of filtering circuit output by described comparer, import described central signal processing unit;
Described music signal Acquisition Processor also comprises a signal amplification unit, and described signal amplification unit is connected with filtering circuit, be used for signal is amplified, and the signal after will amplifying is imported described music signal processing unit.
4. a kind of music according to claim 1 is handled and output system, it is characterized in that,
Described signal controlling module also comprises a parameter set unit, comprises that system parameter setting part and music score parameter are provided with part; Described system parameter setting partly is to pitch resolution, time shaft length ratio, music score district and sound map-area ratio, musical note, standard pronunciation, loop play control; The setting of described music score parameter be between tone mark, speed, broadcast area, main part, and each part broadcast, music score observability, lyrics observability, tone color and customer parameter control and be provided with, and every data that will be provided with deposit in the memory module.
5. a kind of music according to claim 1 is handled and output system, it is characterized in that,
Sound figure output unit in the described output module comprises the sound figure in music score district and sound figure curve district;
Described music score district comprises music score, lyrics display unit, and it adopts numbered musical notation or staff mode to show all or part of music score and the lyrics;
Described sound figure curve district comprises music score standard signal display unit and gathers the music signal display unit, described music score standard signal display unit shows with the pitch bar pitch and the duration of main each note of part, and shows main part range scope in sound figure curve district; Described collection music signal display unit will show in sound figure curve district according to parameter setting and melody playing progress rate by the collection music pitch data-signal that described communication module is uploaded.
6. a kind of music according to claim 1 is handled and output system, it is characterized in that,
Described communication module adopts USB PORT COM circuit.
7. handle and output intent according to a kind of music that the described a kind of music of claim 1-6 is handled and output system adopted, it is characterized in that,
Described method comprises music signal acquisition process step, communication step, storing step, signal controlling step, music signal comparison evaluation procedure and output step;
Described music signal acquisition process step is used for gathering the input music signal, and music signal is carried out data processing;
Described communication step is used for the music signal of described music signal acquisition process step is imported in memory module and the signal controlling processing module, and described communication step will be passed to described music signal Acquisition Processor under the signal controlling instruction;
Described storing step is used for each instruction in the storage system, systematic parameter, music score music signal parameter, detection tone music signal information, user profile etc.;
Described music signal comparison evaluation procedure is used for music signal and the music score standard pronunciation music signal gathered are compared, and music indexs such as pitch, the duration of a sound, rhythm, trill are made comparison result;
Described output step is used for output sound signal and sound figure; Described output sound signal is used to export the music score tone signal or gathers tone signal; Described output sound figure is that output comprises music score district and sound figure curve district image; Described sound figure curve district will export music score standard pronunciation curve and gather the music curve;
Described signal controlling step is used for sending probe instructions to described music signal Acquisition Processor, and the signal after described music signal Acquisition Processor collection music signal also will be handled is by passing described signal controlling module and memory module back on the communication step;
Described signal controlling step also is used to control described music signal comparison evaluation module, sends instruction for described music signal comparison evaluation module, and music score music signal in memory module and collection music signal are finished the music signal comparison;
Also comprise in the described signal controlling step and send steering order, by described output module output sound signal and sound figure to output module.
8. a kind of music according to claim 7 is handled and output intent, it is characterized in that,
Also comprise a parameter setting up procedure in described signal controlling step, it comprises that system parameter setting step and music score parameter are provided with step;
Described system parameter setting step is to pitch resolution, time shaft length ratio, music score district and sound map-area ratio, musical note, standard pronunciation, loop play control procedure;
The setting of described music score parameter be between tone mark, speed, broadcast area, main part, and each part broadcast, music score observability, lyrics observability, tone color and customer parameter is controlled and setting up procedure;
And every data that will be provided with deposit in the memory module.
9. a kind of music according to claim 7 is handled and output intent, it is characterized in that,
Comprise sound figure output procedure in the described output step; Described sound figure output procedure is used for and will comprises the sound figure output in music score district and sound figure curve district;
Described output music score district step will be for will adopt numbered musical notation or staff mode to show all or part of music score and the lyrics;
Described output sound figure curve district step comprises the music score standard signal and gathers music signal for output; Described output music score standard signal shows with the pitch bar pitch and the duration of main each note of part, and shows main part range scope in sound figure curve district; Described output is gathered music signal the music pitch data-signal of gathering is shown in sound figure curve district according to parameter setting and melody playing progress rate.
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