CN209543642U - A kind of music teaching demo system - Google Patents

Abstract

The utility model discloses a kind of music teaching demo systems, including musical instrument of imparting knowledge to students, main control device, image capture device and video processor, teaching musical instrument obtains the midi signal generated when performance by MIDI trigger and is sent to main control device, main control device generates the virtual screen at teaching instrument playing position, and corresponding performance movement is shown on virtual screen according to midi signal, and it is sent to video processor, the image at image capture device acquisition teaching instrument playing position, and it is sent to video processor, the virtual screen received and image are sent to teaching demonstration equipment by video processor, to be used for music teaching.The virtual screen of finger movement and performance movement when the system can play an instrument teacher is broadcast to student, so that each student can clearly watch the finger movement of teacher and the key pressed by teaching demonstration equipment, conducive to student referring to study, it is widely used in the scenes such as multi-media classroom, electric steel classroom, the classroom MIDI.

Description

A kind of music teaching demo system

Technical field

The utility model relates to music education technical field, in particular to a kind of music teaching demo system.

Background technique

Music is a kind of art for reflecting mankind's actual life emotion, can cultivate one's taste, cause the emotional resonance of people. In the today for focusing on quality-oriented education, deepen also influence people, especially child to a certain extent to musical understanding and study The mode of thinking and three see.Therefore, often having family is child's registration instrumental music tutorial class, cultivates the interest to music, or Adult is intended to seek the music education in terms of receiving instrumental music for hobby, or even has the people for having been provided with certain instrumental music basis Want to further increase the playing ability of oneself and need to carry out music teaching.

Current music teaching mode generallys use one-to-many teaching pattern, and how teacher on dais plays pleasure if demonstrating Device, student are gathered on dais after viewing, return to and carry out imitation rehearsal on the seat of oneself.But for music teaching, especially For musical instrument teaching, the performance movement that student can see teacher clearly is very crucial, but above-mentioned teaching pattern can not allow all sometimes The raw performance movement for all watching or seeing teacher, is unfavorable for student referring to study, leads to the reduction of learning efficiency.Even if institute There is student that can see the performance movement of teacher clearly, but since teacher can only carry out performance movement with language while playing Illustrate, such as illustrate the note played and the music theory of performance etc., so that the time of teaching one performance movement is longer, teaching Progress is more slow.

Utility model content

(1) purpose of utility model

To overcome above-mentioned at least one defect of the existing technology, the performance for allowing all students that can see teacher clearly is dynamic Make, improves learning efficiency, and accelerate teaching process under the premise of not losing quality of instruction, the utility model provides following skill Art scheme.

(2) technical solution

The utility model discloses music teaching demo systems, comprising:

Teaching musical instrument, equipped with MIDI trigger, the MIDI trigger is connect with main control device, when for that will play The midi signal of generation is sent to the main control device；

The main control device comprising signal output interface, the main control device and the MIDI trigger and video Processor connection, is sent to video processor for generating virtual screen signal, and by the signal output interface；

Image capture device is connect with the video processor, for acquiring the teaching instrument playing position in real time Real image, and be sent to the video processor；

The video processor is connect, for that will receive with the main control device and described image acquisition equipment Virtual screen and/or real image be sent to teaching demonstration equipment.

In a kind of possible embodiment, it is video camera or camera or mobile phone that described image, which acquires equipment,.

In a kind of possible embodiment, the main control device is computer.

In a kind of possible embodiment, the teaching demonstration equipment includes:

First display equipment, is connect, for receiving and playing institute with the video processor by digital visual interface State the image that video processor is sent.

In a kind of possible embodiment, the first display equipment is high-clear display or spliced display wall, the view Frequency processor is splicing video processor.

In a kind of possible embodiment, the music teaching demo system further include: sound collection equipment, the sound Acquisition equipment is connect with the video processor, plays sound for acquiring in real time, and be sent to the video for sound is played Processor.

In a kind of possible embodiment, the sound collection equipment is microphone or recording pen.

In a kind of possible embodiment, the teaching demonstration equipment includes:

Second display equipment, remotely connect with the video processor, for receiving at video described in simultaneously remote playing The image and sound that reason device is sent.

In a kind of possible embodiment, the teaching musical instrument passes through MIDI-USB patchcord or USB data line or wireless The midi signal generated when playing is sent to the main control device by MIDI transceiver.

In a kind of possible embodiment, described image acquisition equipment and/or the main control device and/or the teaching are drilled Show that equipment is connect by HDMI wire or DVI line with the video processor.

In a kind of possible embodiment, the system also includes hanging apparatus, the hanging apparatus includes support bar group Part and the sliding rail being slidably mounted on the support rod component, the sliding rail are installed on the side of the teaching musical instrument, Described image acquisition equipment is slidably mounted on the sliding rail, and the performance position towards the teaching musical instrument.

In a kind of possible embodiment, the support rod component includes:

Support rod, one end are mutually fixed with fixed bearing structure；

Telescopic arm, one end are slidably mounted on the support rod, and the other end is controllably to separate/close branch The direction extension/contraction of strut, the sliding rail are installed on the other end of the telescopic arm.

In a kind of possible embodiment, the first base being slidably connected with the sliding rail is provided on the sliding rail, It is provided with the second base for rotating coaxially connection with the first base in the first base, is provided in the second base With the globe joint of second base rotation connection, interconnecting piece is fixed on the globe joint, described image acquires equipment It is fixed on the interconnecting piece.

(3) beneficial effect

Music teaching demo system provided by the utility model, has the following beneficial effects:

1, the virtual screen of finger movement and performance movement when teacher can play an instrument is broadcast to student, so that Each student can clearly watch the finger movement of teacher and the key pressed by teaching demonstration equipment, be conducive to student Referring to study, music teaching condition is improved, is widely used in the scenes such as multi-media classroom, electric steel classroom, the classroom MIDI.

2, by showing playing movement and playing key and be played simultaneously and play sound for teacher on teaching demonstration equipment Sound enables student to cooperate music while viewing and emulating fingering and key, improves the quality of teaching.

3, by more teaching demonstration equipments of setting, the student to multiple classrooms music teaching can be carried out simultaneously, simultaneously By the teaching demonstration equipment for acquiring the acoustic information of musical instrument and being sent to other live classrooms, so that the student in all classrooms is Music can be cooperated while viewing and emulating fingering and key, realize more places teaching at scene.

4, teaching demonstration equipment obtains the content of courses that video processor uploads in real time by internet or cable television network Audio, video data realizes remote music teaching, improves efficiency of teaching and resource utilization.

5, height and position and the horizontal position of image capture device are adjusted by hanging apparatus, it can be easily according to need Ask the customized position shot and content.

Detailed description of the invention

It is exemplary below with reference to the embodiment of attached drawing description, it is intended to it is used for explanation and illustration the utility model, without It can be interpreted as the limitation to the protection scope of the utility model.

Fig. 1 is the structural block diagram of music teaching demo system first embodiment provided by the utility model.

Fig. 2 is the display picture of teaching demonstration equipment in music teaching demo system first embodiment provided by the utility model Face schematic diagram.

Fig. 3 is in music teaching demo system first embodiment provided by the utility model equipped with image capture device The axonometric schematic diagram of hanging apparatus.

Fig. 4 is the schematic top plan view of Fig. 3.

Fig. 5 is the right side view of Fig. 3.

Detailed description of the invention:

1 hanging apparatus

100 support rod components

101 support rods

102 clamping parts

110 telescopic arms

111 fixing ends

112 telescopic ends

113 pin holes

114 pin shafts

200 sliding rails

201 sliding slots

301 first bases

302 second bases

303 globe joints

304 interconnecting pieces

901 video cameras

902 fenders

903 desks

Specific embodiment

To keep the purposes, technical schemes and advantages of the utility model implementation clearer, below in conjunction with the utility model Attached drawing in embodiment, is further described in more detail the technical scheme in the embodiment of the utility model.

It should be understood that in the accompanying drawings, from beginning to end same or similar label indicate same or similar element or Element with the same or similar functions.The embodiments are a part of the embodiments of the present invention, rather than whole Embodiment, in the absence of conflict, the features in the embodiments and the embodiments of the present application can be combined with each other.Based on this reality It is obtained by those of ordinary skill in the art without making creative efforts every other with the embodiment in novel Embodiment is fallen within the protection scope of the utility model.

Herein, " first ", " second " etc. are only used for mutual differentiation, rather than indicate their significance level and sequence Deng.

The first embodiment of music teaching demo system provided by the utility model is described in detail below with reference to Fig. 1.This reality It applies example and is mainly used in music and musical instrument teaching, the finger movement and performance when teacher can play an instrument act virtual Image broadcast to student so that each student can clearly be watched by teaching demonstration equipment teacher finger movement and The key pressed is conducive to student referring to study, is widely used in the scenes such as multi-media classroom, electric steel classroom, the classroom MIDI.

As shown in Figure 1, music teaching demo system provided in this embodiment mainly includes: teaching musical instrument, main control device, Image capture device and video processor.

Teaching musical instrument is the tool that uses when teacher carries out playing demonstration during music teaching for student, teacher side into The demonstration side of row performance movement is explained, so that student better understood when the music theory knowledge played.Make in the present embodiment For teaching musical instrument equipped with MIDI trigger, MIDI trigger is used to generate corresponding MIDI letter when playing and imparting knowledge to students musical instrument Number.Wherein, MIDI (Musical Instrument Digital Interface), i.e. musical instrument digital interface, can use note Digital controlled signal record music.Midi signal includes MIDI message, and MIDI message is the number description to music score, packet Include the instruction such as note, control parameter.Musical instrument impart knowledge to students equipped with MIDI trigger, MIDI trigger connect with main control device, is used for The midi signal generated when playing is sent to main control device, to be further processed.

It should be noted that teaching musical instrument includes one or more of: electric crying musical instrument, chord crying musical instrument, aerophone, film Crying musical instrument.The work that teaching musical instrument in the present embodiment describes music teaching demo system using the piano in chord crying musical instrument is former Reason, but it is understood that, teaching musical instrument can also be the musical instruments such as electronic organ, bass, violin, guitar, circular horn and drum, as long as The musical instrument that MIDI trigger can be equipped with can be used as above-mentioned teaching musical instrument and be applied to music teaching provided in this embodiment and demonstrates Music teaching is carried out in system.

Main control device is connect with MIDI trigger and video processor, and main control device is used to generate virtual screen signal, And video processor is sent to by signal output interface.Specifically, main control device includes virtual screen generation module, MIDI knowledge Other module and signal output interface, virtual screen generation module are used to generate the virtual screen at teaching instrument playing position, MIDI Identification module is used to show on the virtual screen that virtual screen generation module generates accordingly according to the midi signal received Performance movement, virtual screen is then sent to video processor in real time.In one embodiment, main control device can be adopted Use personal computer.MIDI identification module is equipped with MIDI identification software, for example, MIDI culous software or other can play phase The software of congenerous, MIDI identification software can identify the type of teaching musical instrument when main control device is connect with teaching musical instrument, Such as identify the piano used in the present embodiment, then virtual screen generation module is the virtual of producible piano performance position Picture.The part that position, that is, musical instrument is interacted with hand is played, is the part that musical instrument was operated and caused music by hand or hand held object, it is different The position of playing of musical instrument is determined all in accordance with the construction and playing mode of musical instrument itself.Piano has 88 keys, and piano is as religion Musical instrument is learned, playing position is exactly each key, therefore the cooperation virtual screen generation module generation of MIDI identification module is piano The virtual screen of key.

MIDI identification module also identifies that performance acts, and for piano, performance movement is exactly the key for playing key Movement, such as which or which key that teacher plays, it is to be understood that the performance movement of various teaching musical instrument not phase Together, such as strike kind musical instrument, the position that performance movement is hit when being percussion instrument is played dynamic for violin Work is which string pressed and/or which string of pulling when playing music device drawn.When teacher plays key, the MIDI trigger of piano Midi signal comprising note corresponding to the key played is sent to the MIDI identification module of main control device, MIDI identification immediately After module identifies the key played, corresponding display or mark are made on the corresponding key on virtual screen, to enable a person to The clear key promptly found out when teacher plays.The key played is being made in virtual screen using MIDI identification module After color is shown, the data of virtual screen are sent to video processor by signal output interface, are sent out after being handled by video processor Teaching demonstration equipment is given, teaching demonstration equipment can show virtual screen, in a part as music teaching demonstration Hold, is particularly shown mode and is described below.

Specifically, video processor mainly include programmable logic device, video coding chip, video processor chip, Microprocessor, memory, USB switch, processing circuit, DVI input interface, DVI ring outgoing interface, HDMI input interface, HDMI Ring outgoing interface, SDI input interface, SDI ring outgoing interface, gigabit network interface/100-M network Ethernet, USB interface etc..Wherein, DVI input signal Output interface, HDMI input signal output interface and SDI input signal output interface are set on rear panel, and are separately connected each From processing circuit, each input signal output interface can be set one or more according to demand, and processing circuit is patrolled with programmable Device connection is collected, programmable logic device is connected with video coding chip, video processor chip and microprocessor simultaneously, is used for The video data that input interface is sent is handled, and signal output interface is sent to by processing circuit, USB switch and USB interface is connect with microprocessor, provides more general interface for data transmission, gigabit network interface and 100-M network Ethernet are used for Networking.Video processor can also include that HDMI monitors that interface, LCD monitor interface etc. in advance in advance, for realizing premonitoring function.

Image capture device is electrically connected with video processor, for acquiring the practical figure at teaching instrument playing position in real time Picture, and it is sent to video processor.Image capture device is pre-set to the performance position of alignment piano, i.e. key part, In teacher's piano, image capture device can capture the movement of playing of teacher's hand, and will contain and play movement Real image be sent to video processor, teaching demonstration equipment, teaching demonstration equipment are sent to after being handled by video processor Real image can be shown, as a part of content of music teaching demonstration, be particularly shown mode and retouched below It states.In order to be demonstrated to student for practical with playing image clearly, image capture device can use high-definition camera, to guarantee reality The quality and clarity of border image, for example, by using GoPro video camera.

In one embodiment, image capture device is using video camera or camera or mobile phone.

Video processor is connect with main control device and image capture device, for send the main control device received The real image that virtual screen and/or image capture device are sent is sent to teaching demonstration equipment, to be used for music teaching.Video Processor supports the input of multi-channel video signal, can receive the picture number that image capture device and main control device are sent simultaneously According to.Teaching demonstration equipment is the equipment with display screen, and the data that can send video processor are shown, wide with video The form broadcast is watched together for a small amount of or numerous students, realizes the exemplary teaching of broadcast level.

Before music teaching demonstration starts, the image capture device key part of aligned piano and by key part Real image be sent to video processor, main control device has also identified that teaching musical instrument is piano, generates piano The virtual screen of key section is simultaneously sent to video processor.

After music teaching demonstration starts, image capture device real-time capture to teacher's hand performance is acted, and piano is certainly The information such as the note played also are sent to main control device by the MIDI trigger of band, are identified by the MIDI identification software of main control device Display is made on key virtual screen afterwards, therefore the received virtual screen of video processor and real image synchronously reflect Playing for teacher is gone out.

The image that image capture device acquires only can be sent to teaching demonstration equipment by video processor, then teaching demonstration Equipment only shows the image of practical piano key part, and the hand for enabling each student clearly to view and emulate teacher is dynamic Make；Main control device generation virtual screen only can also be sent to teaching demonstration equipment by video processor, then teaching demonstration equipment The picture for only showing virtual key part enables each student clearly to view and emulate which qin teacher specifically presses Key；Video processor can also show above-mentioned virtual screen and above-mentioned real image simultaneously, so that each student imparts knowledge to students in viewing When demonstration equipment, the hand motion of teacher can either be seen, while can also see the corresponding key of the hand motion of teacher, be conducive to Student improves music teaching condition referring to study, and can be applied to multi-media classroom, electric steel classroom and the classroom MIDI etc. fields Scape has achieved the purpose that music teaching is demonstrated.

Particularly, the multiway images received can be converted to form and the transmission of split screen or picture-in-picture by video processor To teaching demonstration equipment.Video processor support shows multi-channel video signal split screen display available or picture-in-picture, such as Maipu's view is logical LED780H type and LED590H type four splicing video processors, can show four independent windows, can show simultaneously The image in most four varying input signal sources, while input signal source can be up to eight tunnels, and all input signal sources It can be rapidly switched to any delivery outlet.

When video processor shows virtual screen and real video simultaneously, output image can be divided into above and below Two parts, upper part show virtual screen, and lower part shows real video, and makes the key and reality in virtual screen The key of video image aligns, and will play movement and actual key with respect to position convenient for student.Video processor can also be instant Switching output picture, such as close that display is therein to be inputted or new display inputs all the way all the way.

Further, image capture device can be set multiple, and each image capture device acquires different in real time respectively The image at teaching instrument playing position, to carry out teaching demonstration for instrumental ensembling to music.For example, first image capture device is adopted Collect the hand motion of First piano key, second image capture device acquires the hand motion of second piano key, Fig. 1 The dotted portion of middle upper left quarter represents second image capture device and second piano, and two pianos are respectively equipped with MIDI touching Device is sent out, main control device can handle the midi signal that the MIDI trigger of two pianos is sent respectively, and be respectively sent at video Device is managed, video processor can receive two-way key virtual screen and two-way key entity video image, and in reasonable conversion It is all shown on teaching demonstration equipment afterwards.

Further, each image capture device can also acquire same the different of teaching musical instrument in real time respectively and play position Real image, for carrying out better teaching demonstration to certain form of musical instrument.For example, first image capture device is adopted Collecting electric guitar left hand hand motion (stopping), second image capture device acquires electric guitar right hand hand motion (string pulling), depending on Frequency processor can receive key virtual screen all the way and two-way key entity video image, and all show after reasonable conversion Show on teaching demonstration equipment.

In one embodiment, teaching demonstration equipment includes the first display equipment, and the first display equipment installation is on site Place to operate schools is directly connected to or is transferred connection, for receiving and playing at video by digital visual interface and video processor The image that reason device is sent.Specifically, the first display equipment is also installed on the classroom when Faculty and Students are in same classroom It is interior, the image data that video processor is sent is received, and image data is played back in real time.Image data can be multichannel picture Face is through video processor split screen or is converted to picture-in-picture form, such as the display screen of the first display equipment is divided into upper and lower two Point, upper part shows key virtual screen, and lower part shows the key real video of image capture device acquisition.

First display equipment generallys use the equipment such as large high-definition screen curtain or projector, and Student oriented is installed on classroom wall On, when student's quantity is more in classroom, the first display equipment can make every student see that teacher's plays movement and bullet Play key.Simultaneously as teacher is when playing the piano as teaching musical instrument, piano can be synchronized and be made a sound, therefore student sees To the first display equipment on the teacher's hand motion, the key in virtual screen and the sound of playing heard that show be synchronous , music can be cooperated while viewing and emulating fingering and key and musicality to student's progress music teaching, improve quality of instruction.

It is understood that the first display equipment can be a component part in music teaching demo system.

In one embodiment, video processor can be multichannel splicing video processor, the splicing video processor Pass through CATV line transmission vision signal.Opposite, the first display equipment is also possible to the large screen being made of muti-piece display screen Multiple signals input source is converted the modes such as picture out picture or picture-in-picture by spliced display wall, splicing video processor, then by picture Such as multiple portions are split into, and are exported respectively to each display screen.The spliced display wall being made of muti-piece display screen, viewing area Domain is bigger, can satisfy and carries out music teaching to more students simultaneously in bigger teaching region.Meanwhile with CATV route Or the splicing video processor of other Wirelines transmission signal is relative to the network video processing transmitted in a manner of internet etc. For device, data transfer delay very little avoids situations such as picture is inconsistent, sound picture is asynchronous generation.

When a teacher teaches the student in the more than one classroom in some region, teacher is located in the A of classroom, but simultaneously Also music teaching is done to the student for the classroom B for being located at the next door classroom A, and the student of classroom B can't hear teacher's bullet in the A of classroom The sound of piano is played, this can make troubles to teaching, influence quality of instruction and teaching process.To solve this problem, in one kind In embodiment, which further includes for acquiring performance sound in real time and being sent to sound is played in real time The sound collection equipment of video processor.Alternatively, main control device further include for according to midi signal generate play sound and will Play the sound acquisition module that sound is sent to video processor.The performance sound that video processor is also used to receive is sent It is played out to teaching demonstration equipment.It is understood that one of them of sound acquisition module and sound collection equipment Sound collection task is completed, but the music teaching demo system can be provided simultaneously with the two components.In one embodiment, Sound collection equipment uses microphone or recording pen.It is understood that image capture device and sound collection equipment can also be with It is integration apparatus, such as the video camera of image and sound can be acquired simultaneously.

Specifically, the first display equipment can be installed in the A of classroom and respectively in the B of classroom, and musical instrument of imparting knowledge to students, master control are set Standby, image capture device and video processor are all set in the A of classroom, the first display equipment and video processor of classroom B Connection.Teacher play teaching musical instrument piano when, classroom B first display equipment can equally show teacher play movement and Play key, simultaneously because increase the acquisition of sound, the first display equipment in the B of classroom can also play out in the A of classroom Identical music so that the indoor student of multiple religions view and emulate it is identical with the content of courses experienced, realize it is live morely Point teaching.

In addition, the first display equipment being located in the B of classroom is also possible to be shown by the large-screen splicing that muti-piece display screen forms Show wall, splices video processor for multiple signals input source and be converted into the modes such as picture out picture or picture-in-picture, then picture is split into Such as multiple portions, each part are sent respectively to the display at the identical stitching position in different classrooms by signal output end Screen forms identical display wall to multiple splicings by a video processor and carries out video output.

Existing music teaching mode mainly uses on-the-spot teaching, and teacher can only carry out face to the student for coming teacher scene It awards, this is a kind of waste to teaching resource.In order to increase music teaching mode, the utilization rate to teaching resource is improved, in one kind In embodiment, teaching demonstration equipment includes the second display equipment, and the second display equipment remotely connect with video processor, is used for Receive the image and sound that simultaneously remote playing video processor is sent.The above-mentioned mode remotely connected can be remote by internet Journey connection, is also possible to remotely connect by cable television network.

First display equipment is mainly used for on-the-spot teaching, and the second display equipment is mainly used for remote teaching.Second display Equipment can be the equipment such as personal computer, tablet computer in student family.For teacher when carrying out music teaching, student passes through the Two display equipment are connect with video processor, are received the image data and voice data that video processor is sent, are then broadcast It puts, to realize that remote music is imparted knowledge to students.Wherein, voice data can be the sound acquisition module of main control device according to midi signal life At performance sound, be also possible to acquire in real time by sound collection equipment and play sound.Student is visited by the second display equipment Internet or cable television network are asked to obtain the content of courses audio, video data that video processor uploads in real time, realizes remote music Teaching, has widened teaching method, has improved efficiency of teaching and resource utilization.

In addition, the second display equipment is also possible to the large-screen splicing being made of muti-piece display screen and shows wall, splice video Multiple signals input source is converted the modes such as picture out picture or picture-in-picture by processor, then picture is split into such as multiple portions, And it remotely exports to each display screen.Although remote transmission data may cause data to postpone to a certain extent, in network When fast speed, it can be realized and show that wall carries out remote music education to student using large-screen splicing, eliminate territory restriction.

It is understood that the communication between students and teacher for convenience, the second display equipment and main control device can be with It is equipped with microphone, student and teacher is allowed remotely to carry out speech exchange by modes such as internets.

As shown in Fig. 2, in one embodiment, main control device further includes music theory information generating module, music theory information is raw It is used to identify the note or chord of performance according to midi signal at module, generates music theory and parse picture, and be sent to view in real time Frequency processor.The MIDI identification software (MIDI culous software) that main control device is equipped with is in addition to empty in key according to midi signal It is shown on quasi- picture and plays key accordingly, additionally it is possible to identify the note or chord played, and foundation according to midi signal The note or chord played generate music theory parsing picture.Music theory parses and shows the note played and its title on picture, or and String and its title, such as the left side of music theory parsing picture show corresponding music score, and right side is by row display " D min 7 ", " F 6/ The note names such as D ", " 6 sus2 sus4/D of C ".

Music theory parses picture can be with key virtual screen and key solid images one in the form of split screen or picture-in-picture It is same to be shown on teaching demonstration equipment, such as in Fig. 2, video processor will show that screen is divided into upper, middle, and lower part, top A1 is divided to show that music theory parses picture, middle part A2 shows that key virtual screen, lower part A3 show key entity picture.In teacher It partially shows that teacher's hand plays movement when piano, under screen, the actual key played, top is partially shown in screen Divide the title for showing position and note of the corresponding note in music score, teacher can be made to no longer need to explain note, pleasure in this way Reason etc., and can be student and voluntarily watch and put question to, it has saved the time of teacher, teacher can be when student viewing music theory parses Telling about for other content is carried out, further deepens understanding of the student to lecture contents, adds under the premise of not losing quality of instruction Fast teaching process.

Further, main control device may be provided with DAW (Digital Audio Workstation) software, DAW software Also known as wrirte music software, incorporate MIDI edit, record, the functions such as audio mixing, video, can be used in making music and production music score, Such as Cubase software.Specifically, main control device is provided with Cubase software, during teacher's piano, lead to simultaneously Cubase software development music score or production music are crossed, and the picture of manufacturing process is sent to video processor, and then by imparting knowledge to students Demonstration equipment shows, the teaching for melody creation.When needed, the display of part on screen can be switched, it is soft with DAW The picture of part replaces music theory to parse picture.

In one embodiment, teaching musical instrument passes through MIDI-USB patchcord or USB data line or wireless MIDI transmitting-receiving The midi signal generated when playing is sent to main control device by device.Musical instrument impart knowledge to students equipped with midi interface, and main control device is usual For personal computer, can use the transmission that MIDI-USB patchcord carries out midi signal at this time, the midi port of patchcord with Musical instrument of imparting knowledge to students connects, and USB port is connect with main control device.If musical instrument of imparting knowledge to students supports USB interface communication, USB can be directly used Data line, data line both ends are separately connected teaching musical instrument and main control device.If teaching musical instrument is built-in with wireless MIDI transceiver, A wireless MIDI transceiver can be also inserted at the USB port of main control device, so that wired connection becomes being wirelessly connected.

In one embodiment, image capture device and/or main control device and/or teaching demonstration equipment pass through HDMI wire Or DVI line connect and carries out data transmission with video processor.HDMI(High Definition Multimedia Interface), i.e. high-definition media interface is a kind of totally digitilized video and sound transmission interface, can send and not press simultaneously The audio and vision signal of contracting.HDMI wire is the data line for HDMI interface.DVI(Digital Visual Interface), i.e. digital visual interface is equally used for sending unpressed digital video data to display equipment.DVI line is Data line for DVI interface.

Image capture device generallys use video camera, and video camera can usually support HDMI interface or DVI interface to communicate, because This can be connect with video processor by HDMI wire or DVI line and as wherein signal input sources all the way.

Main control device generallys use desktop PC, desktop PC can generally also support HDMI interface or DVI interface communication, therefore can be connect by HDMI wire or DVI line with video processor and as another way signal input sources.

Usually high-clear display when teaching demonstration equipment is imparted knowledge to students at the scene, can generally also support HDMI interface or DVI Interface communication, therefore can be connect by HDMI wire or DVI line with video processor and be exported as signal.

As shown in Figures 3 to 5, in one embodiment, which further includes hanging apparatus 1, is hung Assembling device 1 include support rod component 100 and with the sliding rail 200 that is slidably mounted on support rod component 100, sliding rail 200 It is installed on the side of teaching musical instrument, image capture device is slidably mounted on sliding rail 200, and the performance of teaching-oriented musical instrument Position.

Musical instrument impart knowledge to students by taking fender 902 as an example, fender 902 is placed on desk 903, and hanging apparatus 1 is set to electric steel The edge of desk 903 is fixed in 902 rear side of qin, one end of support rod component 100, and other end setting is equipped with sliding rail 200, sliding Rail 200 can be moved up and down controllably along support rod component 100, for adjusting height.It is mobile when needing to adjust height to slide Rail 200 fixes the position of sliding rail 200 after height adjustment, by adjusting the height of sliding rail 200, can adopt to image The size of key is adjusted in the real screen of collection equipment acquisition.Video camera 901 as image capture device is installed on cunning It on rail 200, and can controllably be moved along sliding rail 200, for adjusting horizontal position.It is mobile when needing to adjust horizontal position Video camera 901 fixes the position of video camera 901 after horizontal position is adjusted, by the horizontal position for adjusting video camera 901 It sets, occurs which key is adjusted in the real screen that can be acquired to video camera 901.

In one embodiment, support rod component 100 includes support rod 101 and telescopic arm 110.The one of support rod 101 End is mutually fixed with fixed bearing structure.One end of telescopic arm 110 is slidably mounted on support rod 101, and the other end is controllably To the direction extension/contraction of separate/close support rod 101, sliding rail 200 is installed on the other end of telescopic arm 110.

Fixed bearing structure is the fixed structure of surrounding, such as places the desk 903 of fender, one end of support rod 101 It can be by clamping, is spirally connected, snap connection, such as shown in Fig. 3 to Fig. 5, one end of support rod 101 is fixed with clamping part 102, the edge of desk 903 is clamped and fastened on by clamping part 102.The desktop that support rod 101 is typically normal to desk 903 is set It sets.Telescopic arm 110 is in hollow, and one end is fixing end 111, and the other end is telescopic end 112, and fixing end 111 is movably pacified Loaded on support rod 101, such as illustrated in Fig. 3 to Fig. 5,111 sets of fixing end are clipped on support rod 101, and pass through rotation The bolt of end is twisted to adjust clamping force, using the fixed telescopic arm 110 of frictional force, and when needing to adjust height, is reversely screwed End bolt unclamps fixing end 111 and moves up and down or unload to be able to carry out.

The part of fixing end 111 connecting with telescopic end 112 is U-shaped, and the other side of telescopic end 112 is provided with sliding rail 200, therefore the part of telescopic end 112 connecting with fixing end 111 is also U-shaped, forms hollow after the two connection.Telescopic arm 110 telescopic ends 112 for being in are movably coupled to fixing end 111, specifically, offering in telescopic end 112 and fixing end 111 Multiple pin holes 113 are equipped with the pin shaft 114 for being fixed on telescopic end 112 in fixing end 111 in pin hole 113.Extract pin shaft After 114, telescopic end 112 can be slided along fixing end 111, when telescopic end 112 is mobile, the also synchronizing moving of sliding rail 200, for adjusting Save the horizontal position of video camera 901.After adjusting, two pin shafts 114 are at least inserted into every side, guarantee telescopic end 112 Steadily.

By telescopic arm 110 height adjustment and telescopic arm 110 in one direction (close to or far from fender On 902 direction) Level tune, sliding rail 200 has been adjusted to positioned at the top of fender 902.Sliding rail 200, which is equipped with, to be slided Slot 210, video camera 901 210 can move along the chute, to adjust video camera 901 in the other directions (along 902 qin of fender The orientation of key) horizontal position, be finally completed the adjusting of 901 spatial position of video camera.

It, can be by adjusting its height and horizontal position, so that only taking electric steel when adjusting the position of video camera 901 A portion of all keys of qin 902, such as bass area is only shot, thus can be for the key of this part in teaching Carry out specific aim teaching.

In the case where fender 902 itself is equipped with supporting leg, hanging apparatus 1 can equally be fixed on the back of fender 902 Side, or individually set up the supporting leg of a hanging apparatus.

Further, the first base 301 being slidably connected with sliding rail 200 is provided on sliding rail 200, first base 301 is used In driving video camera 901 to move along sliding rail length direction, the horizontal position of video camera 901 is adjusted.It is provided in first base 301 The second base 302 of connection is rotated coaxially with first base 301, second base 302 is for driving video camera 901 with first base 301 central axises are rotary shaft rotation, and the rotational plane of video camera 901 is roughly parallel to horizontal plane, can adjust video camera 901 Direction.The globe joint 303 being rotatablely connected with second base 302 is provided in second base 302, globe joint 303 is used for band Dynamic video camera 901 is that rotation point carries out multi-angle rotary with spherical center, can equally adjust the direction of video camera 901, also The angle of shooting picture can be adjusted.Interconnecting piece 304 is fixed on globe joint 303, video camera 901 is fixed on interconnecting piece 304 On.

In one embodiment, video processor is also used to show the teaching that other electronic equipments connected to it are sent Picture.During music teaching, teacher, which may may require that, explains the content of courses using auxiliary courseware, at this time can be with The display picture for switching main control device replaces original key virtual screen and/or pleasure using the teaching picture of auxiliary courseware Understand analysis picture.If other electronic equipments can be passed through but when key virtual screen and auxiliary courseware being needed to show simultaneously at this time (such as laptop) is connect with video processor, and one of the signal input sources as video processor.Laptop On show auxiliary courseware content, pass through control video processor, increase display auxiliary courseware teaching picture, without close The picture or original any picture having shown that main control device provides.

Above-mentioned teaching picture includes: lantern slide courseware, instructional video, teaching picture, teaching board.Wherein, lantern slide class Part, instructional video and teaching picture can be copied in advance in laptop and be opened, when needed at Switch Video The video output of device is managed, to show lantern slide courseware, instructional video or teaching picture.Other above-mentioned electronic equipments can also be Another image capture device, such as camera, camera is towards blackboard and shoots the writing on the blackboard of teacher and can control when needed Video processor processed shows the writing on the blackboard content of teacher.For example, the picture of teaching display equipment is divided into four parts, bottom shows qin Key entity part, middle part show key virtual part, and upper left-hand shows music theory parsing picture or DAW software picture, and top is right Side shows the lantern slide courseware of laptop or the teaching board of camera production.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, the change that can be readily occurred in Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with described Subject to scope of protection of the claims.

Claims (10)

1. a kind of music teaching demo system characterized by comprising

Teaching musical instrument, equipped with MIDI trigger, the MIDI trigger is connect with main control device, is generated when for that will play Midi signal be sent to the main control device；

The main control device comprising signal output interface, the main control device and the MIDI trigger and video are handled Device connection, is sent to video processor for generating virtual screen signal, and by the signal output interface；

Image capture device is connect with the video processor, for acquiring the reality at the teaching instrument playing position in real time Border image, and it is sent to the video processor；

The video processor is connect, the void for will receive with the main control device and described image acquisition equipment Quasi- picture signal and/or real image are sent to teaching demonstration equipment.

2. music teaching demo system as described in claim 1, which is characterized in that described image acquire equipment be video camera or Camera or mobile phone.

3. music teaching demo system as described in claim 1, which is characterized in that the main control device is computer.

4. music teaching demo system as described in claim 1, which is characterized in that the teaching demonstration equipment includes:

First display equipment, is connect, for receiving and playing the view with the video processor by digital visual interface The image that frequency processor is sent.

5. music teaching demo system as claimed in claim 4, which is characterized in that the first display equipment is that high definition is shown Device or spliced display wall, the video processor are splicing video processor.

6. music teaching demo system as described in claim 1 or 4, which is characterized in that the music teaching demo system is also It include: sound collection equipment, the sound collection equipment is connect with the video processor, sound is played for acquiring in real time, And the video processor is sent to by sound is played.

7. music teaching demo system as claimed in claim 6, which is characterized in that the sound collection equipment be microphone or Recording pen.

8. music teaching demo system as claimed in claim 6, which is characterized in that the teaching demonstration equipment includes:

Second display equipment, remotely connect with the video processor, for receiving video processor described in simultaneously remote playing The image and sound sent.

9. music teaching demo system as described in claim 1, which is characterized in that the teaching musical instrument is turned by MIDI-USB The midi signal generated when wiring or USB data line or wireless MIDI transceiver are by performance is sent to the main control device.

10. music teaching demo system as described in claim 1, which is characterized in that the system also includes hanging apparatus, institutes State the sliding rail that hanging apparatus includes support rod component and is slidably mounted on the support rod component, the sliding rail installation In the side of the teaching musical instrument, described image acquisition equipment is slidably mounted on the sliding rail, and towards the teaching The performance position of musical instrument.