WO2017161612A1 - 一种交互式弦乐器教学系统 - Google Patents

一种交互式弦乐器教学系统 Download PDF

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WO2017161612A1
WO2017161612A1 PCT/CN2016/079439 CN2016079439W WO2017161612A1 WO 2017161612 A1 WO2017161612 A1 WO 2017161612A1 CN 2016079439 W CN2016079439 W CN 2016079439W WO 2017161612 A1 WO2017161612 A1 WO 2017161612A1
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module
sound
stringed instrument
game
user
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PCT/CN2016/079439
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English (en)
French (fr)
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林龙
张博涵
赵岩
宋君
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深圳视感文化科技有限公司
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Publication of WO2017161612A1 publication Critical patent/WO2017161612A1/zh

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B15/00—Teaching music
    • G09B15/02—Boards or like means for providing an indication of notes
    • G09B15/04—Boards or like means for providing an indication of notes with sound emitters

Definitions

  • the invention relates to the field of musical instrument teaching systems, in particular to an instrument playing auxiliary teaching system capable of enabling human-machine to perform precise interaction.
  • Stringed instruments are an important branch of the instrument family. In classical music and even modern light music, almost all lyric melody is played by the string part. Stringed instruments are classified into bow-stringed instruments (such as violins) and plucked string-sounding instruments (such as guitars and cymbals), and stringed instruments (piano). Bow-pull sound instruments: violin, viola, cello, double bass, erhu; plucked string instruments: harp, guitar, electric guitar, electric bass, guqin, pipa, zither; hammering instrument: piano. The guitar is also translated as a guitar or a ukulele. It is a plucked instrument, usually with six strings, but also has four strings, eight strings, ten strings and twelve strings.
  • the shape is similar to that of the violin. Because of its elegant tone, it has a very distinctive tone and expression, which can express Euphemistic and whispering, can also express the cooked grandeur, how many people will be dreaming of a soul; a hollow acoustic guitar, dialing the six golden strings, you can be filled with youthful light melody, play out
  • the soothing music space can express the joys and griefs, and also cultivate the solemn and elegant temperament charm.
  • the beautiful sound and the chic playing can add its personal charm, which is deeply loved by the majority of young people.
  • Chinese patent CN101344996A discloses a wire-assisted electronic assistant teaching system, and specifically discloses its teacher console, teacher earphone, teacher microphone, auxiliary teaching device, student earphone and simulation micro
  • the composition of the music code the teacher console has n parallel button switches corresponding to the number of students, n signal ports of the n button switches are connected with the network port of the auxiliary teaching device, and the interface of the auxiliary teaching device is connected with the student earphone and the simulation
  • the treble code, the simulation MIDI code is set on the traditional stringed instrument;
  • the teacher console connects the teacher's earphone and the teacher's microphone;
  • the auxiliary computer's microcomputer chip EP3C50F processes the audio signal of the simulated MIDI code, and then the signal passes the button switch Transferred to the teacher's headset, the teacher's voice is amplified by the teacher's microphone and the circuit in the teacher's console, and then transmitted to the student's earphone of the monitored student through the button switch
  • the invention provides an interactive stringed instrument teaching system, which solves the problem that the current learning of stringed musical instruments is high, the students' self-learning effect is poor, the learning process is less interesting, and the user cannot overcome the learning difficulties in time.
  • An interactive stringed instrument teaching system consisting of a smart stringed instrument, a mobile terminal and a server, wherein the smart stringed instrument and the mobile terminal are each equipped with a Bluetooth module, and the Bluetooth module is used for matching and data transmission between the intelligent stringed instrument and the mobile terminal
  • the mobile terminal is further provided with a microphone, a tuning module, a database, a teaching module and a game module, wherein the microphone is used for collecting a smart string instrument
  • the sound signal is used to obtain frequency information according to the sound signal collected by the microphone, and to guide the user to adjust the strings of the intelligent stringed instrument for storing the music score, the standard sound and the user playing data
  • the teaching module and the game module include a performance module, a sound comparison module, and a note determination module.
  • the teaching module and the game module are used to play the current music score, and the sound comparison module compares the collected sound with the standard sound to determine the user. The accuracy of the playing, according to the judgment results to the user in a timely manner;
  • the intelligent stringed instrument is further equipped with a main control module, a sound wake-up module, an LED drive module and an LED matrix module, and the teaching module and the game module send each note in the current score playing process to the intelligent stringed instrument through the Bluetooth module,
  • the main control module transmits the note data to the LED driving module, and the LED driving module controls the LED lamp of the corresponding note position in the LED matrix module to illuminate.
  • the note determination module is configured to determine that the note is a combination of a single tone, a chord or other notes.
  • the teaching module provides timely guidance to the user according to the judgment result, and specifically includes: when the sound comparison module determines that the note played by the user is different from the standard sound, the performance module stops playing the next note until the judgment result is phase At the same time, continue to play the next note.
  • the game module promptly guides the user according to the judgment result, and specifically includes: the performance module continuously plays the current music score, and the sound comparison module continuously compares the collected sound with the standard sound until the music score is completed, and the sound comparison module is based on The comparison results record the number of positive and negative errors played by the user and display them.
  • the teaching module and the game module are also used to set different levels according to the score of the score.
  • the game module is further provided with a mode judging module, wherein the mode judging module is configured to distinguish the game mode according to the current music score of the performance, and the game mode includes a waterfall flow mode and a chord circulation mode.
  • the server includes a music library and a file conversion module, and the music library is used to store a music score file generated by the file conversion module.
  • the embodiment of the invention has at least the following advantages:
  • the data connection between the stringed instrument such as a guitar and the mobile terminal is realized by using Bluetooth, and the stringed instrument needs to be adjusted after the first connection, and the sound played by the user is collected by using the microphone, and the corresponding frequency information is obtained according to the sound, and the frequency is obtained. After the information is compared with the standard frequency information, the guidance is used.
  • the user performs the tuning operation. The user can select two learning modes: teaching and game. When playing the current music score in two modes, the microphone continuously collects the sound, and the sound comparison module compares the collected sound with the standard sound to judge the accuracy of the user's playing, according to the judgment. The results provide timely guidance to the user.
  • the user After the game level is over, the user will be prompted according to the analysis of the user's playing process, and the user will be rewarded according to the result of the playing.
  • the background will help the user to slowly train the less skilled user in the later learning process, which can help the user to learn the playing skills of the guitar from the easy to the difficult, and let the game The user pops a sense of accomplishment in a better place.
  • FIG. 1 is a schematic structural diagram of an interactive stringed instrument teaching system according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a working principle of a sound waking module according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart of controlling a lighting of an LED lamp on a smart stringed instrument by a mobile terminal according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of a working process of a game module according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a workflow of an interactive stringed instrument teaching system according to an embodiment of the present invention.
  • an interactive stringed instrument teaching system is proposed by an embodiment of the present invention, which is composed of a smart stringed instrument, a mobile terminal and a server.
  • a Bluetooth module is installed in both the intelligent stringed instrument and the mobile terminal.
  • the Bluetooth module is used for matching and data transmission between the intelligent stringed instrument and the mobile terminal; the mobile terminal is also provided with a microphone, a tuning module, a database, a teaching module and a game module, wherein the microphone is used.
  • the module is used to obtain frequency information according to the sound signal collected by the microphone, and guides the user to adjust the strings of the intelligent stringed instrument
  • the database is used to store the music score, the standard sound and the user playing data
  • the teaching module and the game module include the playing module and the sound.
  • the comparison module and the note judging module, the teaching module and the game module are used to play the current score, and the sound comparison module compares the collected sound with the standard sound to determine the accuracy of the user's playing, and timely responds to the user according to the judgment result. Guidance.
  • the intelligent stringed instrument is also equipped with a main control module, a sound wake-up module, an LED drive module and an LED matrix module.
  • the teaching module and the game module send each note in the current score playing process to the intelligent stringed instrument through the Bluetooth module, and the main control module will
  • the note data is transmitted to the LED driving module, and the LED driving module controls the LED lamp corresponding to the note position in the LED matrix module to illuminate.
  • the entire wake-up module includes a MIC receiver (-30db), an LMV321 signal operational amplifier, and a SN74AHC1G14DBVR single Schmitt inverter.
  • the signal collected by the MIC is very weak, so it must pass the LMV321 operation.
  • the amplifier amplifies the signal collected by the MIC by a certain multiple (currently using 30 times amplification). When the amplified signal comes out, since the digital IC cannot recognize the analog signal, the signal conversion correction processing is performed by the SN74AHC1G14DBVR. After the processing, the main The control IC can be well recognized. Because the device has already set the pin wake-up before sleep, the IC will wake up as long as it receives the signal from the MIC.
  • the function of the sound wake-up module is that when the device does not go into sleep for a long time, just pick up the guitar and dial the strings (the volume is higher than 70 minutes) and the device will wake up automatically.
  • the note determination module is configured to determine that the note is a combination of a single tone, a chord or other notes.
  • the teaching module provides timely guidance to the user according to the judgment result, which specifically includes: when the sound comparison module determines that the note played by the user is different from the standard sound, the performance module stops playing the next note until the judgment result is the same, and continues to play. The next note.
  • the game module provides timely guidance to the user according to the judgment result, and specifically includes: the performance module continuously plays the current music score, and the sound comparison module continuously compares the collected sound with the standard sound until the score is finished, and the sound comparison module records the user according to the comparison result. Play the correct number of notes and display them.
  • the teaching module and game module are also used to set different levels according to the difficulty of the score.
  • the game module is further provided with a mode judging module, and the mode judging module is used for the current score according to the performance. Differentiating the game mode, the game mode includes a waterfall flow mode and a chord circulation mode.
  • the server includes a music library and a file conversion module, and the music library is used to store the music score file generated by the file conversion module.
  • the file conversion module is used to convert the music file of different formats into a format file conforming to the requirements of the APP. For example, the user can use the score of the guitar pro format and upload it to the server, and the server converts according to the file uploaded by the user, and generates an image conforming to the App format. Score files, other users can query the song in the library and play it.
  • some modules in the mobile terminal of the present invention can be implemented by software or by hardware.
  • the tuning module, the database, the teaching module and the game module are all installed in one APP.
  • the APP program By running the APP program, all the functions of the above modules are realized, and the operation of the product is simplified, and the precision of human-computer interaction is improved.
  • the Bluetooth module in the smart stringed instrument and the mobile terminal is turned on, and after the connection is established, the left-handed button is selected.
  • the mode of the right-handed string, the mobile terminal transmits the mode request to the intelligent stringed instrument, and the LED matrix on the intelligent stringed instrument displays corresponding prompts in the left-hand and right-hand positions to complete the Bluetooth control lighting process.
  • the Bluetooth module in the smart stringed instrument and the mobile terminal is turned on, and after the connection is established, the game mode is selected, the game module plays the current score, the notes are sequentially entered and sequentially passed through the determination area, and the note determination module determines the note type.
  • the note type is a single tone
  • the mobile terminal transmits the left-hand and right-hand prompt data, and the user presses the corresponding grade according to the prompt and plays the corresponding string.
  • the note type is a chord
  • the mobile terminal transmits the left-hand prompt data, and the user presses the left hand according to the prompt.
  • the corresponding grade is played according to the score played by the performance module.
  • the sound comparison module in the mobile terminal compares the collected sound played by the user with the standard sound, determines the accuracy of the user's playing, and feeds the judgment result to the mobile terminal display, and finally determines whether the music score is over or not, and plays in the music score. After the completion, the results display page is entered, and the process of learning the game is completed.
  • the Bluetooth module in the smart stringed instrument and the mobile terminal is turned on, and after the connection is established, the game mode or the teaching mode is selected, and when the teaching mode is selected, the teaching module inside the system is based on the pre-preparation.
  • Set the judgment standard the user completes the teaching process independently, and is familiar with the position of each note, and is recommended for beginners. Users with certain basic knowledge can skip the teaching mode and enter the game level.
  • the mode judgment module is used to distinguish the game mode according to the current score of the performance.
  • the game mode includes the waterfall flow mode and the chord circulation mode, and select the game form, such as the practice mode.
  • challenge mode finally through the user's game process, get the user's playing data, including accuracy, error rate, etc., and calculate the challenge score, and finally determine the user's today's challenge times, when the number of challenges today exceeds the preset limit When, the game is over.
  • the embodiment of the invention has the following advantages:
  • the data connection between the stringed instrument such as a guitar and the mobile terminal is realized by using Bluetooth, and the stringed instrument needs to be adjusted after the first connection, and the sound played by the user is collected by using the microphone, and the corresponding frequency information is obtained according to the sound, and the frequency is obtained. After the information is compared with the standard frequency information, the user is instructed to perform the tuning operation.
  • the user can select two learning modes: teaching and game. When playing the current music score in two modes, the microphone continuously collects the sound, and the sound comparison module compares the collected sound with the standard sound to judge the accuracy of the user's playing, according to the judgment. The results provide timely guidance to the user.
  • the user After the game level is over, the user will be prompted according to the analysis of the user's playing process, and the user will be rewarded according to the result of the playing.
  • the background will help the user to slowly train the less skilled user in the later learning process, which can help the user to learn the playing skills of the guitar from the easy to the difficult, and let the game The user pops a sense of accomplishment in a better place.

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Abstract

一种交互式弦乐器教学系统。该系统由智能弦乐器、移动终端和服务器组成，智能弦乐器和移动终端中均安装有蓝牙模块，移动终端中还设置有麦克风、调弦模块、数据库、教学模块和游戏模块，教学模块和游戏模块包括演奏模块、声音比对模块和音符判断模块，教学模块和游戏模块用于演奏当前曲谱，并利用声音比对模块将采集到的声音与标准声音对比，判断用户弹奏的准确度，根据判断结果对用户进行及时的指导，智能弦乐器中还安装有主控模块、声音唤醒模块、LED驱动模块和LED矩阵模块。降低了弦乐器的学习难度和门槛，增加游戏学习的趣味性，快速帮助初级用户真正享受音乐的快乐。

Description

一种交互式弦乐器教学系统 技术领域
本发明涉及乐器教学系统领域，尤其涉及一种能够使人机进行精确交互的乐器演奏辅助教学系统。
背景技术
弦乐器是乐器家族内的一个重要分支，在古典音乐乃至现代轻音乐中，几乎所有的抒情旋律都由弦乐声部来演奏。弦乐器从其发音方式上来说，分为弓拉弦鸣乐器(如提琴类)和弹拨弦鸣乐器(如吉他和阮)，击弦鸣乐器(钢琴)。弓拉弦鸣乐器：小提琴、中提琴、大提琴、倍低音提琴、二胡；弹拨弦鸣乐器：竖琴、吉他、电吉他、电贝司、古琴、琵琶、筝；击弦鸣乐器：钢琴。吉他又译为结他或六弦琴。是一种弹拨乐器，通常有六条弦，但亦有四弦、八弦、十弦和十二弦，形状与提琴相似，由于其音色优雅，有着极富个性的音色和表现手法，既能表达委婉动人的喃喃细语，也能表达大气磅礴的豪迈气概，让多少人为之魂牵梦萦；一把空心木吉他，拨动那六根金色的琴弦，就可以洋溢着青春气息的轻快旋律，弹奏出舒缓人心的音乐空间，可以表达出喜怒哀乐，也可以培养庄重优雅的气质魅力，美妙的音色及潇洒的弹奏更能添加其个人魅力，深受广大青年的喜爱。
然而，目前吉他的学习还停留在报培训班，老师手把手教学的状态，不仅费用高额，教学时间无法掌握，老师无法顾全所有学生，教学过程枯燥，学生无法长时间坚持练习等众多因素，造成了给人一种学吉他门槛很高的假象。因此，迫切需要一种现代化的交互式乐器教学系统，解决上述问题。
中国专利CN101344996A公开一种拉弦乐电子辅助教学系统，并具体公开了其由教师控制台、教师耳机、教师话筒、辅助教学装置、学生耳机和仿真微 音琴码组成，教师控制台上有n个并联的与学生人数对应的按钮开关，n个按钮开关的n个信号端口与辅助教学装置的网络端口连接，辅助教学装置的接口连接学生耳机和仿真微音琴码，仿真微音琴码设置在传统拉弦乐器上；教师控制台连接教师耳机和教师话筒；辅助教学装置的微电脑芯片EP3C50F对仿真微音琴码的音频信号处理，之后信号通过按钮开关传输到教师耳机中，教师的声音通过教师话筒以及教师控制台中的电路处理放大后，通过按钮开关传输到被监听学生的学生耳机中，监听某一学生的演奏或指导学生练习。
又如美国专利公开号US9218748B2的专利，其公开了一种“演奏乐器的练习系统和方法”。该专利认为现有技术存在着以下问题——无法充分激励用户持续地练习，以及对于特殊用户来说很难充分学习这些乐器。
上述的中国发明专利中虽然也是用于乐器辅助教学，但是其实际上是教师参与教学过程，对学生演奏过程中出现的错误，也是教师通过监听来发现的，因此其智能化程度低，也无法达到直接降低学习门槛，提高乐器学习的趣味性的目的，学生无法独自克服学习中遇到的困难。而美国发明专利中实际是提供一种用于练习乐器的播放系统，及时的将学习结果以特定的形式传递给用户，但其采用的技术方案与本发明有着明显不同，且发明目的也不一致。因此，上述发明均没有解决类似前面提到的弦乐器教学中存在的问题。
发明内容
本发明提供了一种交互式弦乐器教学系统，解决目前弦乐器学习门槛高，学生自主学习效果差，学习过程趣味性较差，无法及时帮助用户克服学习困难等问题。
本发明的目的是通过以下技术方案实现的：
一种交互式弦乐器教学系统，该系统由智能弦乐器、移动终端和服务器组成，所述智能弦乐器和移动终端中均安装有蓝牙模块，所述蓝牙模块用于智能弦乐器与移动终端的匹配及数据传输；所述移动终端中还设置有麦克风、调弦模块、数据库、教学模块和游戏模块，其中所述麦克风用于采集智能弦乐器发 出的声音信号，所述调弦模块用于根据麦克风采集到的声音信号得到频率信息，并指导用户对智能弦乐器的琴弦进行调整，所述数据库用于存储曲谱、标准声音和用户弹奏数据，所述教学模块和游戏模块包括演奏模块、声音比对模块和音符判断模块，教学模块和游戏模块用于演奏当前曲谱，并利用声音比对模块将采集到的声音与标准声音对比，判断用户弹奏的准确度，根据判断结果对用户进行及时的指导；
所述智能弦乐器中还安装有主控模块、声音唤醒模块、LED驱动模块和LED矩阵模块，所述教学模块和游戏模块将当前曲谱演奏过程中的每一个音符通过蓝牙模块发送给智能弦乐器，由主控模块将音符数据传输至LED驱动模块，所述LED驱动模块控制LED矩阵模块中对应音符位置的LED灯点亮。
所述音符判断模块用于判断音符为单音、和弦或其他音符的组合。
所述教学模块根据判断结果对用户进行及时的指导，具体包括：当声音比对模块判断用户弹奏的音符与标准声音不同时，则所述演奏模块停止播放下一个音符，直至判断结果为相同时，继续播放下一个音符。
所述游戏模块根据判断结果对用户进行及时的指导，具体包括：所述演奏模块持续播放当前曲谱，声音比对模块不断将采集到的声音与标准声音对比直至曲谱演奏完毕，声音比对模块根据对比结果记录用户弹奏音符的正误数并进行展示。
所述教学模块和游戏模块还用于根据曲谱难度设置不同的关卡。
所述游戏模块中还设有模式判断模块，所述模式判断模块用于根据演奏的当前曲谱区分游戏模式，所述游戏模式包括瀑布流模式及和弦循环模式。
所述服务器中包含曲库和文件转换模块，所述曲库用于存储文件转换模块生成的曲谱文件。
与现有技术相比，本发明实施例至少具有以下优点：
本发明实施例中，通过蓝牙实现吉他等弦乐器与移动终端的数据连接，首次连接之后需要对弦乐器进行调弦，利用麦克风采集用户弹奏的声音，根据该声音得到对应的频率信息，将该频率信息与标准的频率信息对比之后，指导用 户进行调弦操作。用户可以选择教学和游戏两种学习方式，在两种模式下演奏当前乐谱时，麦克风持续进行声音的采集，声音比对模块将采集声音与标准声音对比，判断用户弹奏的准确度，根据判断结果对用户进行及时的指导。游戏关卡结束后，会根据用户弹奏过程的分析来提示用户弹奏过程中的问题，并根据弹奏的结果给予用户对应的奖励。针对用户弹奏产生的数据，后台会通过算法帮助用户在之后的学习过程中慢慢训练用户不太熟练的地方，能够帮助用户从易到难的在游戏中学习吉他的弹奏技巧，并且让用户在掌握较好的地方弹出成就感。
附图说明
图1为本发明实施例提供的交互式弦乐器教学系统的结构组成示意图；
图2为本发明实施例提供的声音唤醒模块的工作原理图；
图3为本发明实施例提供的移动终端控制智能弦乐器上的LED灯点亮的流程示意图；
图4为本发明实施例提供的游戏模块的工作过程示意图；
图5为本发明实施例提供的交互式弦乐器教学系统的工作流程示意图。
具体实施方式
下面将结合本发明中的附图，对本发明中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
如图1所示，为本发明实施例提出的一种交互式弦乐器教学系统，该系统由智能弦乐器、移动终端和服务器组成。
智能弦乐器和移动终端中均安装有蓝牙模块，蓝牙模块用于智能弦乐器与移动终端的匹配及数据传输；移动终端中还设置有麦克风、调弦模块、数据库、教学模块和游戏模块，其中麦克风用于采集智能弦乐器发出的声音信号，调弦 模块用于根据麦克风采集到的声音信号得到频率信息，并指导用户对智能弦乐器的琴弦进行调整，数据库用于存储曲谱、标准声音和用户弹奏数据，教学模块和游戏模块包括演奏模块、声音比对模块和音符判断模块，教学模块和游戏模块用于演奏当前曲谱，并利用声音比对模块将采集到的声音与标准声音对比，判断用户弹奏的准确度，根据判断结果对用户进行及时的指导。
智能弦乐器中还安装有主控模块、声音唤醒模块、LED驱动模块和LED矩阵模块，教学模块和游戏模块将当前曲谱演奏过程中的每一个音符通过蓝牙模块发送给智能弦乐器，由主控模块将音符数据传输至LED驱动模块，LED驱动模块控制LED矩阵模块中对应音符位置的LED灯点亮。
如图2所示，整个唤醒模块包括一个MIC接收头(-30db)，一个LMV321信号运算放大器，一个SN74AHC1G14DBVR单施密特逆变器，MIC头采集的信号是非常微弱的，所以要经过LMV321运算放大器将MIC采集到的信号以一定倍数放大出来(目前采用30倍放大)，当放大信号出来后，由于数字IC是无法识别模拟信号的，所以要经过SN74AHC1G14DBVR进行信号转换修正处理，处理过后，主控IC就可以很好的识别.因为设备在睡眠前已经设置好管脚唤醒，所以只要收到MIC传来的信号，IC就会被唤醒。声音唤醒模块的作用在于，当设备长时间不用进入睡眠状态后，只要拿起吉他，拨动琴弦(音量高于70分呗)设备就会自动唤醒。
进一步的，音符判断模块用于判断音符为单音、和弦或其他音符的组合。
教学模块根据判断结果对用户进行及时的指导，具体包括：当声音比对模块判断用户弹奏的音符与标准声音不同时，则演奏模块停止播放下一个音符，直至判断结果为相同时，继续播放下一个音符。
游戏模块根据判断结果对用户进行及时的指导，具体包括：演奏模块持续播放当前曲谱，声音比对模块不断将采集到的声音与标准声音对比直至曲谱演奏完毕，声音比对模块根据对比结果记录用户弹奏音符的正误数并进行展示。
教学模块和游戏模块还用于根据曲谱难度设置不同的关卡。
游戏模块中还设有模式判断模块，模式判断模块用于根据演奏的当前曲谱 区分游戏模式，游戏模式包括瀑布流模式及和弦循环模式。
服务器中包含曲库和文件转换模块，曲库用于存储文件转换模块生成的曲谱文件。文件转换模块用于将不同格式的曲谱文件转换成符合APP要求的格式文件，如用户可以使用guitar pro格式的曲谱并上传至服务器，服务器会根据用户上传的文件进行转换，并生成符合App格式的曲谱文件，其他用户便可以在曲库中查询该歌曲并进行弹奏。
在具体实施过程中，本发明移动终端中的部分模块既可以通过软件实现，也可以通过硬件实现，当为软件时，将调弦模块、数据库、教学模块和游戏模块均安装于一个APP中，通过运行APP程序，实现上述模块的所有功能，并简化产品操作，提升人机交互的精度。
实施例
如图3所示，为本发明在选择吉他为左手按位，右手弹弦时的LED灯点亮过程，具体的，打开智能弦乐器和移动终端中的蓝牙模块，在建立连接之后，选择左手按位，右手弹弦的模式，移动终端将该模式要求传递给智能弦乐器，智能弦乐器上的LED矩阵在左手和右手位置显示相应提示，完成蓝牙控制点亮过程。
如图4所示，打开智能弦乐器和移动终端中的蓝牙模块，在建立连接之后，选择进入游戏模式，游戏模块演奏当前曲谱，音符按顺序进入并依次经过判定区域，音符判断模块判断音符类型，当音符类型为单音时，移动终端传递左手和右手提示数据，用户根据提示按对应的品位以及弹奏对应的弦，当音符类型为和弦时，移动终端传递左手提示数据，用户根据提示左手按对应的品位，并根据演奏模块演奏的曲谱进行弹奏。移动终端中的声音比对模块将采集到的用户弹奏的声音与标准声音对比，判断用户弹奏的准确度，并将判断结果反馈至移动终端显示，最终再判断曲谱是否结束，在曲谱演奏完毕后进入结果展示页面，游戏学习的过程完成。
如图5所示，打开智能弦乐器和移动终端中的蓝牙模块，在建立连接之后，选择进入游戏模式或教学模式，选择教学模式时，系统内部的教学模块根据预 设判定标准，用户独立完成教学过程，熟悉每个音符的位置，推荐初学者使用。具备一定基础知识的用户，可直接跳过教学模式进入游戏关卡，模式判断模块用于根据演奏的当前曲谱区分游戏模式，游戏模式包括瀑布流模式及和弦循环模式，并选择游戏形式，如练习模式或挑战模式，最终通过对用户的游戏过程，得到用户的弹奏数据，包括准确性、失误率等，并计算挑战得分，最终判断该用户的今日挑战次数，当今日挑战次数超过预设的限制时，结束游戏教学。
与现有技术相比，本发明实施例具有以下优点：
本发明实施例中，通过蓝牙实现吉他等弦乐器与移动终端的数据连接，首次连接之后需要对弦乐器进行调弦，利用麦克风采集用户弹奏的声音，根据该声音得到对应的频率信息，将该频率信息与标准的频率信息对比之后，指导用户进行调弦操作。用户可以选择教学和游戏两种学习方式，在两种模式下演奏当前乐谱时，麦克风持续进行声音的采集，声音比对模块将采集声音与标准声音对比，判断用户弹奏的准确度，根据判断结果对用户进行及时的指导。游戏关卡结束后，会根据用户弹奏过程的分析来提示用户弹奏过程中的问题，并根据弹奏的结果给予用户对应的奖励。针对用户弹奏产生的数据，后台会通过算法帮助用户在之后的学习过程中慢慢训练用户不太熟练的地方，能够帮助用户从易到难的在游戏中学习吉他的弹奏技巧，并且让用户在掌握较好的地方弹出成就感。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应该以权利要求书的保护范围为准。

Claims (7)

  1. 一种交互式弦乐器教学系统，其特征在于，该系统由智能弦乐器、移动终端和服务器组成，所述智能弦乐器和移动终端中均安装有蓝牙模块，所述蓝牙模块用于智能弦乐器与移动终端的匹配及数据传输；所述移动终端中还设置有麦克风、调弦模块、数据库、教学模块和游戏模块，其中所述麦克风用于采集智能弦乐器发出的声音信号，所述调弦模块用于根据麦克风采集到的声音信号得到频率信息，并指导用户对智能弦乐器的琴弦进行调整，所述数据库用于存储曲谱、标准声音和用户弹奏数据，所述教学模块和游戏模块包括演奏模块、声音比对模块和音符判断模块，教学模块和游戏模块用于演奏当前曲谱，并利用声音比对模块将采集到的声音与标准声音对比，判断用户弹奏的准确度，根据判断结果对用户进行及时的指导；
    所述智能弦乐器中还安装有主控模块、声音唤醒模块、LED驱动模块和LED矩阵模块，所述教学模块和游戏模块将当前曲谱演奏过程中的每一个音符通过蓝牙模块发送给智能弦乐器，由主控模块将音符数据传输至LED驱动模块，所述LED驱动模块控制LED矩阵模块中对应音符位置的LED灯点亮。
  2. 如权利要求1所述的系统，其特征在于，所述音符判断模块用于判断音符为单音、和弦或其他音符的组合。
  3. 如权利要求1所述的系统，其特征在于，所述教学模块根据判断结果对用户进行及时的指导，具体包括：当声音比对模块判断用户弹奏的音符与标准声音不同时，则所述演奏模块停止播放下一个音符，直至判断结果为相同时，继续播放下一个音符。
  4. 如权利要求1所述的系统，其特征在于，所述游戏模块根据判断结果对用户进行及时的指导，具体包括：所述演奏模块持续播放当前曲谱，声音比对模块不断将采集到的声音与标准声音对比直至曲谱演奏完毕，声音比对模块根据对比结果记录用户弹奏音符的正误数并进行展示。
  5. 如权利要求1所述的系统，其特征在于，所述教学模块和游戏模块还用 于根据曲谱难度设置不同的关卡。
  6. 如权利要求1所述的系统，其特征在于，所述游戏模块中还设有模式判断模块，所述模式判断模块用于根据演奏的当前曲谱区分游戏模式，所述游戏模式包括瀑布流模式及和弦循环模式。
  7. 如权利要求1所述的系统，其特征在于，所述服务器中包含曲库和文件转换模块，所述曲库用于存储文件转换模块生成的曲谱文件。
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