CN106601218A - Audio and video and piano action synchronization device and method - Google Patents
Audio and video and piano action synchronization device and method Download PDFInfo
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- CN106601218A CN106601218A CN201611198031.8A CN201611198031A CN106601218A CN 106601218 A CN106601218 A CN 106601218A CN 201611198031 A CN201611198031 A CN 201611198031A CN 106601218 A CN106601218 A CN 106601218A
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/0033—Recording/reproducing or transmission of music for electrophonic musical instruments
- G10H1/0041—Recording/reproducing or transmission of music for electrophonic musical instruments in coded form
- G10H1/0058—Transmission between separate instruments or between individual components of a musical system
- G10H1/0066—Transmission between separate instruments or between individual components of a musical system using a MIDI interface
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10F—AUTOMATIC MUSICAL INSTRUMENTS
- G10F1/00—Automatic musical instruments
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10F—AUTOMATIC MUSICAL INSTRUMENTS
- G10F1/00—Automatic musical instruments
- G10F1/02—Pianofortes with keyboard
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10F—AUTOMATIC MUSICAL INSTRUMENTS
- G10F3/00—Independent players for keyboard instruments
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
The invention discloses an audio and video and piano action synchronization device and method. The device comprises an audio and video acquisition module arranged at a mobile terminal, a data processing module, a data storage module and a mobile terminal data transceiver module and also comprises a piano action collection module and a piano data transceiver module arranged on a piano. The piano action collection module collects piano action and corresponding time stamps and sends the piano action and corresponding time stamps to the piano data transceiver module in the form of a midi message. The piano data transceiver module and the mobile terminal data transceiver module carry out data interaction. The mobile terminal data transceiver module sends the received midi message to the data processing module. The audio and video acquisition module collects audio and video information and sends the information to the data processing module. The data processing module synchronizes the midi message and the audio and video information to generate a music file and sends the music file to the data storage module. The data storage module stores the music file. When the audio and video information and the piano information are collected to generate an automatic playing file, the synchronization of audio and video and the piano action is ensured.
Description
Technical field
The present invention relates to automatic Playing musical instrument field, more particularly to a kind of audio frequency and video and piano action sychronisation and side
Method.
Background technology
Being provided with the piano of automatic playing system can realize, according to instruction automatic playing piano, playing without very important person,
It is to drive piano key to carry out automatic Playing by automatic playing system.Automatic playing system stores the number prerecorded
Digital data, these data be for controlling piano key and pedal bullet under and reset motion, including the speed under bullet and other
Some information.It is more rich and varied in order to allow this system to play, the good audio frequency and video recording of meeting played pre-recorded, and
Audio frequency and video need and piano is synchronously played.In order to ensure can to realize that audio frequency and video are same with piano action in piano automatic Playing
Step, it is necessary to ensure that audio frequency and video are same with piano action when audio frequency and video are gathered and piano information generates automatic Playing file
Step.
Therefore how could be when audio frequency and video be gathered and piano information generates automatic Playing file, it is ensured that audio frequency and video and piano
The synchronization of action, improving the sight of automatic playing system becomes the problem of those skilled in the art's urgent need to resolve.
The content of the invention
In view of this, it is an object of the invention to provide a kind of audio frequency and video and piano action sychronisation, regard in collection sound
When frequency and piano information generate automatic Playing file, it is ensured that audio frequency and video are synchronous with piano action, automatic playing system is improved
Sight.
The present invention provides a kind of audio frequency and video and piano action sychronisation, adopts including the audio frequency and video being arranged on mobile terminal
Collection module, data processing module, data memory module and mobile terminal data transceiver module, and the piano being arranged on piano
Action acquisition module and piano data transmit-receive module, wherein：
The piano action acquisition module, for gathering piano action and the corresponding timestamp of piano action, and will collect
Information piano data transmit-receive module is sent in the form of midi message；
The piano data transmit-receive module, for carrying out data interaction with mobile terminal data transceiver module；
The mobile terminal data transceiver module, for receiving midi message data processing module is sent to；
The audio-video collection module, for gathering audio/video information during piano performance, and is sent to data processing module；
The data processing module, for being generated as music text after synchronizing the midi for receiving message and audio/video information
Part, is sent to data memory module；
The data memory module, for storing music file.
Preferably, it is described that data processing module is included into synchronizing information module and file generating module, wherein：
Described information synchronization module is relative for the timestamp by timestamp in midi message and audio/video information per frame data
Should；
The file generating module, for the midi information after correspondence and audio/video information to be generated into audio/video information in front midi
The posterior music file of message.
Preferably, described information synchronization module includes coarse adjustment module, for determining the time for receiving first midi message
The overall offset amount of the timestamp of the initial time of stamp and audio/video information.
Preferably, described information synchronization module also includes fine setting module, for determine to follow-up certain midi information when
Between stamp and its corresponding audio/video information timestamp fine setting side-play amount.
Preferably, the data processing module also includes document analysis module, for accessing data memory module, by music
File is decomposed into audio/video information and midi information.
Preferably, the sychronisation also includes the audio and video playing module being arranged on mobile terminal and is arranged at piano
On piano control instruction performing module, wherein：
The audio and video playing module is connected with data processing module, for receiving the audio/video information of document analysis module and broadcasting
Put；
The piano control instruction performing module is connected with piano data transmit-receive module, and document analysis module leads to midi message
Cross mobile terminal data transceiver module and be sent to piano data transmit-receive module, the piano control instruction performing module receives piano
Data transmit-receive module receives midi message, and is controlled playing music to piano.
Preferably, the coarse adjustment module, is additionally operable to determine the broadcasting initial time of midi message earlier than audio/video information
Play initial time.
Preferably, the fine setting module, is additionally operable to the performance of the piano when piano control instruction performing module control
Action and audio/video information not to it is corresponding when determine that audio/video information is played and suspend the stand-by period.
Preferably, the audio and video playing module with 24 frames/point speed playing audio-video information.
An additional aspect of the present invention, also provides a kind of audio frequency and video and piano action synchronous method, comprises the following steps：
Step 1：Collection piano action and the corresponding timestamp of piano action, and by the information for collecting with midi message
Form is sent to mobile terminal；
Step 2：Audio/video information during mobile terminal collection piano performance；
Step 3：Mobile terminal is generated as music file and goes forward side by side after synchronizing the midi message for receiving and audio/video information
Row storage.
The audio frequency and video that the present invention is provided and piano action sychronisation and method, generate in collection audio frequency and video and piano information
During automatic Playing file, it is ensured that audio frequency and video are synchronous with piano action, so as to improve the sight of automatic playing system.
Description of the drawings
A kind of audio frequency and video and the structural representation of piano action sychronisation that Fig. 1 is provided for the present invention；
A kind of structural representation of data processing module that Fig. 2 is provided for the present invention；
A kind of audio frequency and video and the flow chart of piano action synchronous method that Fig. 3 is provided for the present invention.
Specific embodiment
In order that those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings to the present invention
It is described in further detail.
The structural representation of a kind of audio frequency and video and piano action sychronisation that provide for the present invention referring to Fig. 1 and Fig. 2, Fig. 1
Figure, a kind of structural representation of data processing module that Fig. 2 is provided for the present invention.
The present invention provides a kind of audio frequency and video and piano action sychronisation, regards including the sound being arranged in mobile terminal 1 00
Frequency acquisition module 130, data processing module 120, data memory module 140 and mobile terminal data transceiver module 110, Yi Jishe
The piano action acquisition module 230 being placed on piano 200 and piano data transmit-receive module 210, wherein：
The piano action acquisition module 230, for gathering piano action and the corresponding timestamp of piano action, and will collection
To information piano data transmit-receive module 210 is sent in the form of midi message；Piano data transmit-receive module 210, for
Mobile terminal data transceiver module 110 carries out data interaction；Mobile terminal data transceiver module 110, for midi will to be received
Message is sent to data processing module 120；Audio-video collection module 130, for gathering audio/video information during piano performance, and
It is sent to data processing module 120；Data processing module 120, the midi message and audio/video information for receiving is carried out
Music file is generated as after synchronization, data memory module 140 is sent to；Data memory module 140, for storing music file.
When audio frequency and video are gathered and piano information generates automatic Playing file, player's playing piano, piano action collection
Module 230, by collection piano action and the corresponding timestamp of piano action, generates the midi message with timestamp and is sent to
Piano data transmit-receive module 210；Piano data transmit-receive module 210 carries out data interaction with mobile terminal data transceiver module 110,
Midi message with timestamp is sent to into data processing module 120；At the same time, the audio-video collection mould on mobile terminal
Block 130, gathers the sound and picture when player's playing piano is played, and generates audio/video information, and is sent to data processing mould
Block 120；Data processing module 120, it is raw after the midi message with timestamp for receiving and audio/video information are synchronized
Become music file, be sent to data memory module 140；Data memory module 140, for storing music file.
When audio frequency and video are gathered and piano information generates automatic Playing file, ensure that audio frequency and video are same with piano action
Step, so as to provide synchronism for the performance of follow-up automatic playing system file is preferably played, and improves the sight of automatic playing system
Reward property.
Referring to Fig. 2, below will be to further being told about in data processing module.
Data processing module 120 includes synchronizing information module 121 and file generating module 122, wherein：Described information synchronization
Module 121, it is corresponding for the timestamp by timestamp in midi message with audio/video information per frame data；The file generated
Module 122, for the midi information after correspondence and audio/video information to be generated into audio/video information in the posterior sound of front midi message
Music file.The music file includes audio-video document and midi files, and audio/video information in front midi message rear.
In further scheme, described information synchronization module 121 includes coarse adjustment module 1211, and coarse adjustment module 1211 is first
Receive audio/video information and determine that the initial time of audio/video information is 0 point of file, then coarse adjustment module 1211 receives first
The individual midi message with timestamp, may thereby determine that the initial time timestamp of midi message and the starting of audio/video information
The overall offset amount of moment timestamp.After determining midi message and audio-visual message initial time, follow-up audio frequency and video disappear
The timestamp of breath correspondence corresponding with work by the timestamp of midi message.
In further scheme, described information synchronization module 121 also includes fine setting module 1212, finely tunes module 1212
The waveform of midi message and audio/video information can be launched, for the timestamp and its corresponding audio frequency and video of certain midi information
The setting side-play amount for shifting of information time stamp is finely adjusted.
Data processing module 120 also includes document analysis module 123, for accessing data memory module 140, by music text
Part is decomposed into audio/video information and midi information.The sychronisation also includes that the audio frequency and video being arranged in mobile terminal 1 00 are broadcast
Amplification module 150 and the piano control instruction performing module 220 being arranged on piano 200, wherein：Audio and video playing module 150 with
Data processing module 120 connects, and the audio/video information for receiving data processing module 120 is simultaneously played；Piano control instruction is held
Row module 220 is connected with piano data transmit-receive module 210, and midi message is passed through mobile terminal number by data processing module 120
Piano data transmit-receive module 210 is sent to according to transceiver module 110, the piano control instruction performing module 220 receives piano number
Midi message is received according to transceiver module 210, and playing music is controlled to piano.
When automatic Playing file and playing music is played, document analysis module 123 accesses data memory module
140, music file is decomposed into into audio/video information and midi information.The audio and video playing module 150 of mobile terminal 1 00 receives text
The audio/video information of part parsing module 123 is simultaneously played；Piano control instruction performing module 220 and piano data transmit-receive module 210
It is connected, midi message is sent to piano data transmit-receive by document analysis module 123 by mobile terminal data transceiver module 110
Module 210, piano control instruction performing module 220 receives piano data transmit-receive module 210 and receives midi message, and to piano
It is controlled playing music.
Because just to audio/video information and midi information having done synchronization when music file is recorded, hereby it is ensured that music text
Synchronization of the part in automatic Playing.
Consider that piano data transmit-receive module 210 receives midi message and has the regular hour poor, add piano control instruction
Performing module 220 has buffer time receiving midi message, so that determining midi message by coarse adjustment module 1211
Play time difference of the initial time earlier than the broadcasting initial time of audio/video information.
The performance action in the piano when piano control instruction performing module control and sound during automatic Playing
Video information does not suspend the stand-by period to determining that audio/video information is played by fine setting module 1212 during correspondence, fixes tentatively the stand-by period
Generally 80ms.
Preferably, the audio and video playing module 150 with 24 frames/point speed playing audio-video information.
Referring to Fig. 3, a kind of audio frequency and video and the flow chart of piano action synchronous method that Fig. 3 is provided for the present invention.
An additional aspect of the present invention, also provides a kind of audio frequency and video and piano action synchronous method, comprises the following steps：
Step 1：Collection piano action and the corresponding timestamp of piano action, and by the information for collecting with midi message
Form is sent to mobile terminal；
Step 2：Audio/video information during mobile terminal collection piano performance；
Step 3：Mobile terminal is generated as music file and goes forward side by side after synchronizing the midi message for receiving and audio/video information
Row storage.
When audio frequency and video are gathered and piano information generates automatic Playing file, player's playing piano gathers piano action
And the corresponding timestamp of piano action, generate the midi message with timestamp and be sent to mobile terminal；At the same time, it is mobile
Sound and picture when terminal collection player playing piano is played, generates audio/video information.Mobile terminal is by the band for receiving
The midi message and audio/video information for having timestamp is generated as music file and is stored after synchronizing.
When audio frequency and video are gathered and piano information generates automatic Playing file, ensure that audio frequency and video are same with piano action
Step, so as to provide synchronism for the performance of follow-up automatic playing system file is preferably played, and improves the sight of automatic playing system
Reward property.
A kind of audio frequency and video provided by the present invention and piano action sychronisation and method are described in detail above.
Specific case used herein is set forth to the principle and embodiment of the present invention, and the explanation of above example is simply used
Understand the core concept of the present invention in help.It should be pointed out that for those skilled in the art, without departing from
On the premise of the principle of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into this
In bright scope of the claims.
Claims (10)
1. a kind of audio frequency and video and piano action sychronisation, it is characterised in that include：The audio frequency and video being arranged on mobile terminal are adopted
Collection module, data processing module, data memory module and mobile terminal data transceiver module, and the piano being arranged on piano
Action acquisition module and piano data transmit-receive module, wherein：
The piano action acquisition module, for gathering piano action and the corresponding timestamp of piano action, and will collect
Information piano data transmit-receive module is sent in the form of midi message；
The piano data transmit-receive module, for carrying out data interaction with mobile terminal data transceiver module；
The mobile terminal data transceiver module, for receiving midi message data processing module is sent to；
The audio-video collection module, for gathering audio/video information during piano performance, and is sent to data processing module；
The data processing module, for being generated as music text after synchronizing the midi for receiving message and audio/video information
Part, is sent to data memory module；
The data memory module, for storing music file.
2. audio frequency and video according to claim 1 and piano action sychronisation, it is characterised in that described by data processing mould
Block includes synchronizing information module and file generating module, wherein：
Described information synchronization module is relative for the timestamp by timestamp in midi message and audio/video information per frame data
Should；
The file generating module, for the midi information after correspondence and audio/video information to be generated into audio/video information in front midi
The posterior music file of message.
3. audio frequency and video according to claim 2 and piano action sychronisation, it is characterised in that described information synchronization module
Including coarse adjustment module, for determining the timestamp for receiving the timestamp of first midi message and the initial time of audio/video information
Overall offset amount.
4. audio frequency and video according to claim 3 and piano action sychronisation, it is characterised in that described information synchronization module
Also include fine setting module, for determining the timestamp to follow-up certain midi information and its corresponding audio/video information timestamp
Fine setting side-play amount.
5. the audio frequency and video according to claim 2 to 4 and piano action sychronisation, it is characterised in that the data processing
Module also includes document analysis module, for accessing data memory module, music file is decomposed into into audio/video information and midi
Information.
6. audio frequency and video according to claim 5 and piano action sychronisation, it is characterised in that the sychronisation is also wrapped
The audio and video playing module being arranged on mobile terminal and the piano control instruction performing module being arranged on piano are included, wherein：
The audio and video playing module is connected with data processing module, for receiving the audio/video information of document analysis module and broadcasting
Put；
The piano control instruction performing module is connected with piano data transmit-receive module, and document analysis module leads to midi message
Cross mobile terminal data transceiver module and be sent to piano data transmit-receive module, the piano control instruction performing module receives piano
Data transmit-receive module receives midi message, and is controlled playing music to piano.
7. audio frequency and video according to claim 6 and piano action sychronisation, it is characterised in that the coarse adjustment module, also
For determining the broadcasting initial time of the broadcasting initial time earlier than audio/video information of midi message.
8. audio frequency and video according to claim 7 and piano action sychronisation, it is characterised in that the fine setting module, also
For when the performance action of the piano that the piano control instruction performing module is controlled and audio/video information not to it is corresponding when determine sound
Video information is played and suspends the stand-by period.
9. audio frequency and video according to claim 8 and piano action sychronisation, it is characterised in that the audio and video playing mould
Block with 24 frames/point speed playing audio-video information.
10. a kind of audio frequency and video and piano action synchronous method, it is characterised in that the method comprising the steps of：
Step 1：Collection piano action and the corresponding timestamp of piano action, and by the information for collecting with midi message
Form is sent to mobile terminal；
Step 2：Audio/video information during mobile terminal collection piano performance；
Step 3：Mobile terminal is generated as music file and goes forward side by side after synchronizing the midi message for receiving and audio/video information
Row storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611198031.8A CN106601218A (en) | 2016-12-22 | 2016-12-22 | Audio and video and piano action synchronization device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611198031.8A CN106601218A (en) | 2016-12-22 | 2016-12-22 | Audio and video and piano action synchronization device and method |
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| CN106601218A true CN106601218A (en) | 2017-04-26 |
Family
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| CN201611198031.8A Pending CN106601218A (en) | 2016-12-22 | 2016-12-22 | Audio and video and piano action synchronization device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109413476A (en) * | 2018-10-17 | 2019-03-01 | 湖南乐和云服网络科技有限公司 | A kind of audio-video and piano action live broadcasting method and system |
| CN110570832A (en) * | 2019-09-29 | 2019-12-13 | 湖北美和易思教育科技有限公司 | internet-of-things air electronic organ |
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| CN103403794A (en) * | 2011-01-07 | 2013-11-20 | 雅马哈株式会社 | Automatic musical performance device |
| CN104796471A (en) * | 2015-04-20 | 2015-07-22 | 宜昌金宝乐器制造有限公司 | Music radio station for automatic playing piano |
| CN105895066A (en) * | 2015-08-10 | 2016-08-24 | 杨飞 | Digitalized piano capable of network demonstration piano performing and real time video teaching |
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| CN101004865A (en) * | 2006-01-17 | 2007-07-25 | 雅马哈株式会社 | Music performance system,music stations synchronized with one another and computer program used therein |
| CN101145288A (en) * | 2007-08-03 | 2008-03-19 | 上海欧亚钢琴乐器有限公司 | Piano remote-distance teaching system based on broad band internet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20170426 |