CN110581889A - Piano classroom for one-to-many teaching and building method thereof - Google Patents

Piano classroom for one-to-many teaching and building method thereof Download PDF

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Publication number
CN110581889A
CN110581889A CN201910845460.7A CN201910845460A CN110581889A CN 110581889 A CN110581889 A CN 110581889A CN 201910845460 A CN201910845460 A CN 201910845460A CN 110581889 A CN110581889 A CN 110581889A
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CN
China
Prior art keywords
piano
teaching
client
classroom
pianos
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Pending
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CN201910845460.7A
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Chinese (zh)
Inventor
郭立
赖志强
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Hunan karod Piano Co.,Ltd.
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Hunan Carrod Music Group Co Ltd
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Priority to CN201910845460.7A priority Critical patent/CN110581889A/en
Publication of CN110581889A publication Critical patent/CN110581889A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00Electrically-operated educational appliances
    • G09B5/06Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
    • G09B5/065Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/06Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30Services specially adapted for particular environments, situations or purposes

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The invention discloses a piano classroom for one-to-many teaching and a construction method thereof, wherein the piano classroom comprises a piano, a mobile terminal and a camera, the camera is arranged on the piano, the piano comprises a main piano and a plurality of auxiliary pianos, an application client is arranged on the mobile terminal, the application client is connected with the piano to realize data interaction between the application client and the piano, the application client comprises a teaching client and a learning client, the main piano respectively controls the plurality of auxiliary pianos through the teaching client, the teaching client is provided with an information setting module, a monitoring switch, a marking switch, a mute switch and a video module, and the learning client is provided with a video module and a display module. The invention utilizes the wireless communication module to connect the application program client with the pianos, and respectively controls the sounding and playing practice processes of a plurality of auxiliary pianos through the teaching client, thereby realizing one-to-many piano teaching.

Description

piano classroom for one-to-many teaching and building method thereof
Technical Field
the invention relates to the technical field of intelligent pianos, in particular to a piano classroom for one-to-many teaching and a construction method thereof.
background
The piano is a keyboard instrument from Western classical music, consists of 88 keys and metal string soundboards, is generally used for solo, repeated playing, accompaniment and other performances, and is very convenient for composing music and rehearsing music. Because the excellent overall performance and wide application of the piano are incomparable with any other musical instruments, the piano is known as the king of the musical instrument by numerous musicians, but the traditional piano learning is generally one-to-one teaching, the cost is high, and the learning method is also boring and tasteless.
With the progress of science and technology, people show the performance process of a teacher to students by means of an artificial intelligence technology and a projector, so that one-to-many teaching is realized, but as the students are many, the students sitting at the back often cannot observe the performance process of the teacher without interference, and the students can only observe the learning of the fingering of the teacher at one time, and in the student playing exercise process, the teacher cannot effectively monitor and guide a plurality of students, so that the one-to-many piano teaching efficiency is low, and the effect is poor.
in view of this, it is an urgent technical problem to be solved by those skilled in the art to develop a piano classroom and a teaching method for one-to-many teaching with high teaching efficiency and good effect.
Disclosure of Invention
The invention aims to provide a piano classroom for one-to-many teaching and a construction method thereof.
in order to solve the technical problems, the invention provides a piano classroom for one-to-many teaching, which comprises a piano, a mobile terminal, a wireless communication module and a camera, wherein the camera is arranged on the piano and is used for recording and uploading performance videos, the piano comprises a main piano for teacher teaching and a plurality of auxiliary pianos for student learning, an application client side is arranged on the mobile terminal and connected with the piano to realize data interaction between the application client side and the piano, the application client side comprises a teaching client side for teacher teaching and a learning client side for student learning, the main piano controls the plurality of auxiliary pianos through the teaching client side, and the teaching client side is provided with an information setting module for setting classroom information, a monitoring switch for selectively monitoring the auxiliary pianos, a monitoring module and a monitoring module, The piano video recording and playing system comprises a labeling switch for commenting the performance of the auxiliary piano, a mute switch for selectively controlling the sounding of the auxiliary piano and a video module for displaying and recording the performance video, wherein the learning client side is provided with a video module and a display module capable of viewing classroom information.
Preferably, a wireless communication module is arranged between the application client and the piano, and the wireless communication module comprises a first wireless communication module arranged on the piano and a second wireless communication module arranged in the mobile terminal in a matched manner.
Preferably, the mobile terminal is a tablet computer, and the mobile terminal is arranged on the main piano.
Preferably, the teaching client is further provided with a linkage switch for controlling the main piano and the sub piano to sound simultaneously.
Preferably, all be equipped with the headset jack that is used for connecting the headset on the vice piano, the headset jack is located the side of vice piano.
Preferably, the login mode of the application program client includes account login and two-dimensional code scanning login.
A one-to-many teaching piano classroom building method comprises the one-to-many teaching piano classroom, and the method comprises the following steps:
S1, logging in a teaching client through the mobile terminal, and connecting the teaching client with the piano by using the wireless communication module;
S2, classroom information is set on the teaching client, and students and the subppianos correspond one to one according to the study numbers;
S3, turning on a mute switch on the teaching client to control the auxiliary piano to sound, and simultaneously recording the playing video of the main piano by using the camera and uploading the recorded playing video to the teacher client for storage;
S4, the students practice the playing of the pianos on the auxiliary pianos according to the playing of the teacher, and meanwhile, the teacher controls the monitoring switch and the comment switch on the teaching client end to selectively monitor and comment on the auxiliary pianos through switching in the process of the practice of the playing of the students;
s5, the student checks the performance video of the teacher through the learning client, performs piano performance after class, and records the performance video after class by using the camera and uploads the performance video to the learning client;
And S6, the teacher monitors the after-class playing video of the student through the teaching client and gives guidance after class.
compared with the prior art, the invention has the following beneficial technical effects:
(1) In the invention, the application program client is connected with the piano to realize data interaction between the application program client and the piano, and the teaching client respectively controls the sounding and playing practice processes of a plurality of auxiliary pianos, thereby realizing piano teaching of a teacher to a plurality of students;
(2) The invention realizes that the main piano is linked with a plurality of auxiliary pianos to play together by controlling the linkage switch, so that the piano teaching mode is richer;
(3) according to the invention, the performance video of the main piano is recorded and uploaded, so that students can check the performance video of teachers and practice the piano performance at any time, and the high integration of on-line teaching and off-line teaching is realized.
drawings
Figure 1 is a block diagram of the piano classroom for one-to-many teaching of the present invention,
Figure 2 is a block diagram of the architecture of an application client of the present invention,
Fig. 3 is a flow chart of a piano classroom building method of the invention.
in the figure: 1. the piano comprises a main piano, a 2 auxiliary piano, a 3 camera, a 4 application client, a 41 teaching client, a 42 learning client, a 411 information setting module, a 412 monitoring switch, a 413 marking switch, a 414 mute switch, a 415 video module, a 416 linkage switch, a 421 display module, a 51 first wireless communication module, a 52 second wireless communication module and a 6 mobile terminal.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention is further described in detail below with reference to the accompanying drawings.
as shown in fig. 1 and fig. 2, a piano classroom for one-to-many teaching comprises a piano, a mobile terminal 6 and a camera 3, wherein the camera 3 is arranged on the piano and used for recording and uploading performance videos, the piano comprises a main piano 1 for teacher teaching and a plurality of auxiliary pianos 2 for student learning, an application client 4 is arranged on the mobile terminal 6, the application client 4 is connected with the piano to realize data interaction between the application client and the piano, the application client 4 comprises a teaching client 41 for teacher teaching and a learning client 42 for student learning, the main piano 1 controls the plurality of auxiliary pianos 2 through the teaching client 41, and the teaching client 41 is provided with an information setting module 411 for setting classroom information, a monitoring switch 412 for selectively monitoring the performance of the auxiliary pianos, The system comprises a marking switch 413 for commenting the performance of the slave piano, a mute switch 414 for selectively controlling the sounding of the slave piano, and a video module 415 for displaying and recording the performance video, wherein the learning client 42 is provided with the video module 415 and a display module 421 capable of viewing classroom information.
in this embodiment, the application client 4 and the main piano 1, and the application client 4 and the multiple auxiliary pianos 2 are respectively connected to realize data interaction, and the sounding and playing exercise processes of the multiple auxiliary pianos 2 are respectively controlled through the teaching client 41, so that a teacher can teach the pianos of multiple students, and meanwhile, offline practice and tutoring can be performed through the learning client 42, so that high integration of online teaching and offline teaching is realized. In this embodiment, 1 main piano 1 and 6 sub pianos 2 are provided, and data interaction between the main piano 1, the sub pianos 2 and the application client 4 is realized by connecting the mobile terminal 6 to the piano.
As shown in fig. 1, a wireless communication module is arranged between the application client 4 and the piano, and the wireless communication module includes a first wireless communication module 51 arranged on the piano and a second wireless communication module 52 arranged in the mobile terminal 6. In this embodiment, the application client 4 is connected to the master piano 1 and the plurality of slave pianos 2 through the wireless communication module, so that data lines between the pianos and the application client 4 are effectively reduced, and the connection structure between the components in the piano classroom for one-to-many teaching is simplified.
As shown in fig. 1, the mobile terminal 6 is a tablet computer, and the mobile terminal 6 is disposed on the main piano 1. In this embodiment, mobile terminal 6 selects to adopt the panel computer to locate the panel computer on main piano 1, the mr carries out piano teaching to a plurality of students through many vice pianos 2 of panel computer control on the main piano 1.
As shown in fig. 2, the teaching client 41 is further provided with a linkage switch 416 for controlling the master piano 1 and the slave piano 2 to sound simultaneously. In this embodiment, by turning on the link switch 416 on the teaching client 41, the master piano 1 and the plurality of slave pianos 2 can be played in a linked manner, and the piano teaching mode is enriched.
As shown in fig. 1, each sub-piano 2 is provided with an earphone jack for connecting an earphone, and the earphone jack is provided on a side surface of the sub-piano 2. In this embodiment, by inserting the microphones into the microphone insertion holes on the side surfaces of the sub-piano 2, it is ensured that the performance practice processes of the sub-piano 2 are not influenced by each other; meanwhile, when a plurality of the auxiliary pianos 2 are in linkage playing, the playing effect of linkage playing can be monitored by pulling out the earphones on the earphone jacks on the side surfaces of the auxiliary pianos 2.
as shown in fig. 1, the login manner of the application client 4 includes account login and two-dimensional code scanning login. In this embodiment, the login mode of the application client 4 is set to be an account login mode and a two-dimensional code scanning login mode, and a teacher and a student can randomly select the login mode according to their preferences.
A one-to-many teaching piano classroom building method comprises the one-to-many teaching piano classroom, and the method comprises the following steps:
s1, logging in a teaching client through the mobile terminal, and connecting the teaching client with the piano;
S2, classroom information is set on the teaching client, and students and the subppianos correspond one to one according to the study numbers;
s3, turning on a mute switch on the teaching client to control the slave piano to sound, recording the performance of the teacher on the master piano by using the camera, and uploading the recorded performance video to the teaching client for storage;
S4, the students practice the playing of the pianos on the auxiliary pianos according to the playing of the teacher, and meanwhile, the teacher controls the monitoring switch and the comment switch on the teaching client end to selectively monitor and comment on the auxiliary pianos through switching in the process of the practice of the playing of the students;
s5, the student checks the performance video of the teacher through the learning client, performs piano performance after class, and records the performance video after class by using the camera and uploads the performance video to the learning client;
And S6, the teacher monitors or checks the after-class playing video of the student through the teaching client and performs after-class tutoring.
In the embodiment, firstly, a teacher logs in a teaching client through a mobile terminal and connects the teaching client with a piano, after connection, classroom information is set on the teaching client, such as teacher names and head portraits, student names and head portraits, class names, course progress and timing, knowledge points and music scores during the class, and basic information of numbering the students, then the teacher corresponds slave pianos and the students one by one according to the student numbers, then the teacher performs classroom performance demonstration on the master piano and records and uploads videos by using a camera, then the students perform performance practice on the slave pianos, meanwhile, the teacher controls the teaching client to selectively select different slave pianos to perform switching monitoring and evaluation in the process of student performance practice, so that the teacher can simultaneously teach a plurality of students, and the students can check the performance videos of the teacher through the learning client and perform the classroom practice after the students perform teaching, meanwhile, the mobile terminal records and uploads the post-class exercise video to the learning client, a teacher can comment and guide the post-class exercise video through the teaching client at any time, the on-line teaching and the off-line teaching are highly integrated, and the piano teaching and learning are facilitated.
the piano classroom for one-to-many teaching and the construction method thereof provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the core concepts of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (7)

1. The piano classroom for one-to-many teaching is characterized by comprising a piano, a mobile terminal and a camera, wherein the camera is arranged on the piano and used for recording and uploading playing videos, the piano comprises a main piano used for teacher teaching and a plurality of auxiliary pianos used for student learning, an application client side is arranged on the mobile terminal and connected with the piano to realize data interaction between the application client side and the piano, the application client side comprises a teaching client side used for teacher teaching and a learning client side used for student learning, the main piano controls the plurality of auxiliary pianos through the teaching client side, and an information setting module used for setting classroom information, a monitoring switch used for selectively monitoring the performance of the auxiliary pianos, a marking switch used for commenting the performance of the auxiliary pianos, and an application client side are arranged on the teaching client side, The device comprises a mute switch for selectively controlling the sound production of the auxiliary piano and a video module for displaying and recording the performance video, wherein the learning client is provided with a video module and a display module capable of checking classroom information.
2. A piano classroom of one-to-many education as recited in claim 1, wherein a wireless communication module is provided between said application client and the piano, said wireless communication module comprising a first wireless communication module provided on the piano and a second wireless communication module provided in the mobile terminal in a matching manner.
3. A piano classroom of one-to-many teaching as claimed in claim 1, wherein said mobile terminal is a tablet computer and the mobile terminal is located on a master piano.
4. A piano classroom of one-to-many teaching as claimed in claim 2, wherein said teaching client is further provided with a link switch for controlling simultaneous sound production of the master piano and the slave piano.
5. a piano classroom for one-to-many teaching as defined in claim 3, wherein each said slave piano has an earphone jack for connecting an earphone, said earphone jack being provided at a side of said slave piano.
6. A piano classroom of one-to-many education as recited in claim 4, wherein the login modes of the application client include account login and two-dimensional code scan login.
7. A one-to-many pedagogic piano classroom construction method, comprising the one-to-many pedagogic piano classroom of at least one of claims 1-5, the method comprising the steps of:
s1, logging in a teaching client through the mobile terminal, and connecting the teaching client with the piano by using the wireless communication module;
S2, classroom information is set on the teaching client, and students and the subppianos correspond one to one according to the study numbers;
S3, turning on a mute switch on the teaching client to control the auxiliary piano to sound, and simultaneously recording the playing video of the main piano by using the camera and uploading the recorded playing video to the teacher client for storage;
s4, the students practice the playing of the pianos on the auxiliary pianos according to the playing of the teacher, and meanwhile, the teacher controls the monitoring switch and the comment switch on the teaching client end to selectively monitor and comment on the auxiliary pianos through switching in the process of the practice of the playing of the students;
S5, the student checks the performance video of the teacher through the learning client, performs piano performance after class, and records the performance video after class by using the camera and uploads the performance video to the learning client;
and S6, the teacher monitors the after-class playing video of the student through the teaching client and gives guidance after class.
CN201910845460.7A 2019-09-06 2019-09-06 Piano classroom for one-to-many teaching and building method thereof Pending CN110581889A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111583738A (en) * 2020-06-17 2020-08-25 湖南卡罗德音乐集团有限公司 Online partner training method for one-to-many pianos
CN111816013A (en) * 2020-08-17 2020-10-23 玖月音乐科技(北京)有限公司 Control method for teaching of double-row key group lessons
CN112735225A (en) * 2020-12-31 2021-04-30 广州珠江艾茉森数码乐器股份有限公司 Piano teaching system
CN114078343A (en) * 2020-08-17 2022-02-22 森兰信息科技(上海)有限公司 One-to-many piano teaching system and method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205827903U (en) * 2016-03-06 2016-12-21 广州市贝斯曼乐器有限公司 A kind of intelligence wifi wireless electron piano
CN107341990A (en) * 2017-08-15 2017-11-10 北京库客音乐股份有限公司 Piano teaching system
US20170358237A1 (en) * 2016-06-08 2017-12-14 Wai Yuk Annie YUEN Computer-assisted method and computer system for teaching piano
CN109035963A (en) * 2018-07-20 2018-12-18 广州市雅迪数码科技有限公司 The method and device of piano long-distance education
CN109841198A (en) * 2019-02-01 2019-06-04 长沙乐和乐器有限公司 A kind of silencing system of intelligence piano

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205827903U (en) * 2016-03-06 2016-12-21 广州市贝斯曼乐器有限公司 A kind of intelligence wifi wireless electron piano
US20170358237A1 (en) * 2016-06-08 2017-12-14 Wai Yuk Annie YUEN Computer-assisted method and computer system for teaching piano
CN107341990A (en) * 2017-08-15 2017-11-10 北京库客音乐股份有限公司 Piano teaching system
CN109035963A (en) * 2018-07-20 2018-12-18 广州市雅迪数码科技有限公司 The method and device of piano long-distance education
CN109841198A (en) * 2019-02-01 2019-06-04 长沙乐和乐器有限公司 A kind of silencing system of intelligence piano

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111583738A (en) * 2020-06-17 2020-08-25 湖南卡罗德音乐集团有限公司 Online partner training method for one-to-many pianos
CN111816013A (en) * 2020-08-17 2020-10-23 玖月音乐科技(北京)有限公司 Control method for teaching of double-row key group lessons
CN114078343A (en) * 2020-08-17 2022-02-22 森兰信息科技(上海)有限公司 One-to-many piano teaching system and method
CN112735225A (en) * 2020-12-31 2021-04-30 广州珠江艾茉森数码乐器股份有限公司 Piano teaching system

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Address after: 410000 Building 2, Houhu business center, CSCEC smart Industrial Park, No. 50, Jinjiang Road, Yuelu street, Yuelu District, Changsha City, Hunan Province

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