CN101197180A - Player and method for playing media file - Google Patents
Player and method for playing media file Download PDFInfo
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- CN101197180A CN101197180A CNA2007101797834A CN200710179783A CN101197180A CN 101197180 A CN101197180 A CN 101197180A CN A2007101797834 A CNA2007101797834 A CN A2007101797834A CN 200710179783 A CN200710179783 A CN 200710179783A CN 101197180 A CN101197180 A CN 101197180A
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- 230000033764 rhythmic process Effects 0.000 claims abstract description 199
- 230000033001 locomotion Effects 0.000 claims abstract description 94
- 230000001133 acceleration Effects 0.000 claims abstract description 35
- 238000004458 analytical method Methods 0.000 claims description 30
- 230000008447 perception Effects 0.000 claims description 10
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- 238000000926 separation method Methods 0.000 description 4
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Abstract
The invention provides a media file player and a method for using the same. The player comprises a master control module and a motion rhythm calculation module, wherein, the motion rhythm calculation module calculates the motion rhythm according to the acceleration of the player and sends the motion rhythm to the master control module. The master control module is used for receiving the motion rhythm and then choosing a media file player to play which is proximal to the rhythm of the motion rhythm. The method comprises the following steps that: firstly, the motion rhythm computation module calculates the motion rhythm according to the acceleration of the player and then the master control module chooses the media file player to play which is proximal to the rhythm of the motion rhythm. The technical proposal of the invention has the advantages of choosing the media file player to play which is proximal to the motion rhythm according to the user motion rhythm, emphasizing amusements and practicalities and satisfying users with special demands.
Description
Technical field
The present invention relates to a kind of method of playback equipment and playing media file of media file.
Background technology
The inner structure of the portable player of existing playing media file generally is made up of main control module, playlist (or being called database), media file storage module, audio decoder module and audio frequency output module as shown in Figure 1.When playing media file, finish the broadcast of medium by other module cooperative of main control module controls.The general employing continuously of the method for its playing media file play, the combination in any of timing broadcast or artificial these three kinds of modes of controls playing or these three kinds of modes, but the mode of these three kinds of modes or its combination in any can not satisfy some specific demands of user, such as, the user wishes to play according to the rhythm of music under specific sight or environment, as: the user need listen some songs close with displacement rhythm when taking exercises, but the player of prior art can't be realized this specific demand of user, therefore, the player that is necessary to provide a kind of movement rhythm to select movement rhythm is close with it song to play automatically according to the user.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of player and method of playing media file, to solve the defective that player of the prior art can not select movement rhythm is close with it media file to play according to user's needs.
In order to address the above problem, the invention provides a kind of player of playing media file, comprising: the main control module; It is characterized in that,
Described player also comprises: the movement rhythm computing module;
Described movement rhythm computing module is calculated movement rhythm according to the accelerometer of described player, and described movement rhythm is sent to described main control module;
Described main control module is selected to play with the immediate media file of rhythm of described movement rhythm after being used to receive described movement rhythm.
Further, described system also comprises acceleration transducer;
Described acceleration transducer is used for the acceleration of the outer described player of bound pair of perception, and described acceleration is sent to described movement rhythm computing module.
Further, described system also comprises: playlist, media file storage module, audio decoder module and audio frequency output module;
Described playlist is used for the file name of store media files, at the sequence number of described media file storage module and the corresponding relation of rhythm thereof;
Described media file storage module is used to store the physical file of each media file, is used for also receiving that described main control module sends the file name of media file and finish the broadcast of described media file with described audio decoder module and described audio frequency output module after the sequence number of described media file storage module;
Described main control module is selected to play with the immediate media file of rhythm of described movement rhythm and is meant: in the described playlist of described main control module searches with the rhythm of the media file of the difference minimum of described movement rhythm, the pairing file name of rhythm of the media file of described difference minimum and the sequence number in described media file storage module are sent to described media file storage module, and described media file storage module is finished the broadcast of described media file with described audio decoder module and described audio frequency output module.
Further, described system also comprises the song rhythm analysis module;
Described audio decoder module also is used for and will sends to described song rhythm analysis module through the decoded media file;
Described song rhythm analysis module is used to the rhythm through the described media file of decoded media file post analysis of receiving that the audio decoder module is sent, and the rhythm of described media file is sent to described main control module;
Described main control module also is used for receiving behind the rhythm of described media file with the rhythm of described media file, title and in the sequence number of described media file storage module and stores described playlist into;
Described media file is audio compressed files or MIDI file;
The rhythm of described media file is known tempo and is preset in the player, or is placed in the player by the user, the rhythm of being analyzed out by the song rhythm analysis module;
The rhythm of described movement rhythm and media file is all used frequency representation.
Further, described main control module also is used to store the pairing movement rhythm of in progress media file;
Described main control module is compared with the pairing movement rhythm of in progress media file of storage after also being used to receive movement rhythm, if the preset threshold value that both differences equal to set is then changed in progress media file.
A kind of method of playing media file comprises:
A calculates movement rhythm according to the accelerometer of described player;
B selects the media file the most close with the rhythm of described movement rhythm and plays.
Further, the step that also comprises the acceleration of the outer described player of bound pair of perception before the described step a.
Further, among the described step b, selecting the media file the most close with the rhythm of described movement rhythm plays and is meant: search the rhythm with the media file of the difference minimum of described movement rhythm, and find out the pairing file name of rhythm and the sequence number of the media file of difference minimum, and then, finish the broadcast of described media file then according to the physical file that the title and the sequence number of described media file finds described media file;
Described media file is audio compressed files or MIDI file;
The rhythm of described media file is known tempo and is preset in the player, or is placed in the player by the user, the rhythm of being analyzed out by the song rhythm analysis module;
The rhythm of described movement rhythm and media file is all used frequency representation.
Further, described method also comprises the step of following analyzing medium file rhythm:
To carrying out the analysis of media file rhythm, draw the rhythm of described media file through the decoded media file;
Store the rhythm of described media file, and form the corresponding relation of title, rhythm and the sequence number of media file.
Further, the process of the step of described analyzing medium file rhythm and playing media file is carried out or simultaneously as new media file input player and start automatically when player is in open state.
Further, the mode of changing in progress media file during described playing media file is:
Relatively the movement rhythm of current time is compared with the pairing movement rhythm of in progress media file of storage, when equaling preset threshold value as if both difference, then changes in progress media file; Or:
The intact back of in progress playback of media files selects with it the immediate media file of rhythm to play according to the current movement rhythm of receiving.
In sum, the invention provides a kind of player and method of playing media file, can select the media file that movement rhythm is close with it to play according to user's movement rhythm, strengthen the recreational and practicality of player, satisfy some specific demand of user simultaneously.
Description of drawings
Fig. 1 is the structural representation of prior art player;
Fig. 2 is the structural representation of player of the present invention;
Fig. 3 is the method flow diagram of playing media file of the present invention;
Fig. 4 is the method flow diagram of analyzing medium file rhythm of the present invention.
Embodiment
The invention provides a kind of player and method of playing media file, when the user when taking exercises, the player of carrying can select the media file that movement rhythm is close with it to play according to user's movement rhythm, the user's who satisfies specific demand.
Present embodiment provides a kind of player of playing media file, as shown in Figure 2, comprise main control module, movement rhythm computing module, acceleration transducer, song rhythm analysis module, audio decoder module, audio frequency output module, media file storage module and playlist (or being called database); Acceleration transducer can also not be included within the player, and is carried by the user, sends to player after perception user's acceleration.Wherein:
The main control module stores its sequence number in the media file storage module, file name and speed rhythm thereof in the playlist into after being used for receiving the media file through the rhythm analysis that the song rhythm analysis module sends, and forms the corresponding relation of media file name, the sequence number in the media file storage module and rhythm thereof; Also be used for the movement rhythm computing module and send behind the movement rhythm playlist and find out title and sequence number thereof with the immediate media file of this movement rhythm, and the title and the sequence number of the media file found out sent to the media file storage module.Described title and the sequence number of finding out in the playlist with the immediate media file of this movement rhythm thereof be meant, finds out the rhythm of media file wherein and be the title and the sequence number of that media file of the difference minimum of the umber of beats of per second and the number of times that movement rhythm is per second in playlist.
Acceleration transducer is used for the acceleration of the outer bound pair player of perception, and the acceleration (instantaneous value) of perception is sent to the movement rhythm computing module constantly; The same prior art of method of the acceleration of the outer bound pair player of acceleration transducer perception herein.
Behind the instantaneous value of the acceleration that the movement rhythm computing module is used to receive that acceleration transducer is sent, form acceleration continually varying waveform according to instantaneous value, calculate the cycle of the changes in amplitude of acceleration again, it is the period of motion, the rhythm that the frequency of this cycle correspondence is promptly moved, therefore movement rhythm can but be not limited to represent that the movement rhythm that also is used for calculating sends to the main control module with the per second how many times.The movement rhythm computing module is according to the same prior art of the concrete grammar of its period of change of acceleration calculation.
Playlist is used for the title of store media files, at the sequence number of media file storage module and the corresponding relation of rhythm thereof.
The media file storage module is used to store the physical file of each media file, and after the title of the media file that is used to receive that the main control module is sent and the sequence number physical file of this media file is sent to the audio decoder module.
Behind the physical file of the media file that the audio decoder module is used to receive that the media file storage module is sent this physical file is decoded, operate same prior art herein.And be used for decoded media file is sent to audio frequency output module and song rhythm analysis module.
The audio frequency output module is used for the media file behind the broadcast decoder, operates same prior art herein.
Described media file can be that audio compressed files such as MP3 also can be the MIDI files; The rhythm of described media file can be known tempo and be preset in the player, also can be to be placed in the player by the user, the rhythm of being analyzed out by the song rhythm analysis module.
Present embodiment also provides a kind of method of playing media file, as shown in Figure 3, may further comprise the steps:
Step 301: acceleration transducer sends to the movement rhythm computing module constantly with the instantaneous value of the acceleration of the outer bound pair player of perception.
Step 302: the movement rhythm computing module forms acceleration continually varying waveform according to the instantaneous value of the acceleration of receiving, calculate the period of change of the acceleration of motion again, the frequency of this cycle correspondence is a movement rhythm, thus movement rhythm can but be not limited to represent with the per second how many times.And the movement rhythm that calculates sent to the main control module.The movement rhythm computing module is according to the same prior art of the concrete grammar of its period of change of acceleration calculation.
The computation of Period of the changes in amplitude signal of acceleration has several different methods in the prior art.In the present embodiment can but be not limited to position by detection peak, estimate that simply distance between the adjacent peak value is as cycle of range signal.Range signal f (t), specific embodiments is as follows:
Be determined by experiment appropriate threshold value A1, for example can get one section amplitude signal,, the range signal that drops on 10% maximum scope is weighted on average along the horizontal direction projection, as the threshold value A 1 of the peak value detection of acceleration:
The P of projection signal (a)=num
F (t)F (t)==a}
Each satisfy t ∈ (t1, in time period t2), detection peak in the scope of f (t)＞A1;
Distance between the adjacent peak value is exactly the cycle of amplitude signal.After calculating the distance between the adjacent peak value, can remove excessive or too small peak separation (as the higher limit and the lower limit of peak separation can be set according to actual conditions, the peak separation that reaches less than lower limit greater than higher limit then omits), calculate the cycle of the mean value of peak separation again as range signal.
Step 303: after the main control module is received movement rhythm, search title and sequence number with the immediate media file of rhythm of this movement rhythm in the playlist, and the title and the sequence number of the media file searched sent to the media file storage module.Described title and the sequence number of finding out in the playlist with the immediate media file of this movement rhythm thereof be meant, finds out the rhythm of media file wherein and be the title and the sequence number of that media file of the difference minimum of the umber of beats of per second and the number of times that movement rhythm is per second in playlist.Described media file can be that audio compressed files such as MP3 also can be the MIDI files; The rhythm of described media file can be known tempo and be preset in the player, also can be to be placed in the player by the user, the rhythm of being analyzed out by the song rhythm analysis module.
Step 304: after the media file storage module is received the title and sequence number of media file, the physical file of this media file is sent to the audio decoder module.
Step 305: the audio decoder module is decoded to the physical file of the media file received, and decoded media file is sent to the audio frequency output module.
Step 306: the audio frequency output module is play through the decoded media file.
At above-mentioned playing media file is in the process of song, and acceleration transducer is the acceleration of bound pair player outside perception constantly, so the movement rhythm that the movement rhythm computing module calculates might change at any time.To the song of playing carry out conversion can but to be not limited to be following several mode:
(1) main control module is compared with the pairing movement rhythm of in progress song of storage according to the movement rhythm of receiving, when if the main control module is judged certain threshold value that both difference equals to preset, the main control module is then selected to play with the immediate media file of rhythm of the movement rhythm of this moment according to above step again.Otherwise the rhythm as if motion before in progress song does not play surpasses the song that preset threshold value is not then changed broadcast.In this case, if in progress song movement rhythm in its playing process never surpasses preset threshold value, then the main control module selects the song that rhythm is the most close with it to play according to this movement rhythm of receiving constantly after this playback of songs is intact.Main control module in such cases also should be stored playing and be sent out the pairing movement rhythm of song.
(2) in playing in progress song process, whether the variation of movement rhythm surpasses certain default threshold value and the song of playing is not carried out conversion, has only after this in progress playback of songs is finished just according to current movement rhythm and selects with it the immediate song of rhythm to play.
In above-mentioned playing media file is the process of song, can also comprise the media file in the media file storage module is carried out the process that rhythm is analyzed.As shown in Figure 4, the process of this analyzing medium file rhythm may further comprise the steps:
Step 401: the physical file that the media file storage module need be carried out the media file of rhythm analysis sends to the audio decoder module;
Step 402: the audio decoder module is decoded to the physical file of the media file received, and decoded media file is sent to the song rhythm analysis module;
Step 403: the song rhythm analysis module carries out the rhythm analysis to the media file of receiving, draws the rhythm of this media file, can but be not limited to how much clap the rhythm of presentation medium file with per second.And the rhythm of the media file that draws sent to the main control module.The same prior art of method of song rhythm analysis module analyzing medium file rhythm herein.
Step 404: the main control module stores the rhythm of the media file received in the playlist into, title and the sequence number in the media file storage module thereof with this media file also stores in the playlist simultaneously, and forms the corresponding relation of title, rhythm and the sequence number in the media file storage module thereof of media file.
The media file of process rhythm analysis is deleted from the media file storage module up to it as long as just be stored in the playlist through its relevant information after the rhythm analysis.
The process of above-mentioned analyzing medium file rhythm can be carried out simultaneously with playing process, when selecting certain media file to play as the user, the main control module searches is to the relevant information of not storing this media file in playlist, and then main control module notice media file storage module is carried out the rhythm analysis to this media file.The media file storage module is carried out the rhythm analysis according to above-mentioned steps after receiving described notice of this media file being carried out the rhythm analysis.
The process of above-mentioned analyzing medium file rhythm can also be as new media file input player and start automatically when player is in open state.
Claims (11)
1. the player of a playing media file comprises: the main control module; It is characterized in that,
Described player also comprises: the movement rhythm computing module;
Described movement rhythm computing module is calculated movement rhythm according to the accelerometer of described player, and described movement rhythm is sent to described main control module;
Described main control module is selected to play with the immediate media file of rhythm of described movement rhythm after being used to receive described movement rhythm.
2. the system as claimed in claim 1 is characterized in that,
Described system also comprises acceleration transducer;
Described acceleration transducer is used for the acceleration of the outer described player of bound pair of perception, and described acceleration is sent to described movement rhythm computing module.
3. the system as claimed in claim 1 is characterized in that,
Described system also comprises: playlist, media file storage module, audio decoder module and audio frequency output module;
Described playlist is used for the file name of store media files, at the sequence number of described media file storage module and the corresponding relation of rhythm thereof;
Described media file storage module is used to store the physical file of each media file, is used for also receiving that described main control module sends the file name of media file and finish the broadcast of described media file with described audio decoder module and described audio frequency output module after the sequence number of described media file storage module;
Described main control module is selected to play with the immediate media file of rhythm of described movement rhythm and is meant: in the described playlist of described main control module searches with the rhythm of the media file of the difference minimum of described movement rhythm, the pairing file name of rhythm of the media file of described difference minimum and the sequence number in described media file storage module are sent to described media file storage module, and described media file storage module is finished the broadcast of described media file with described audio decoder module and described audio frequency output module.
4. system as claimed in claim 3 is characterized in that,
Described system also comprises the song rhythm analysis module;
Described audio decoder module also is used for and will sends to described song rhythm analysis module through the decoded media file;
Described song rhythm analysis module is used to the rhythm through the described media file of decoded media file post analysis of receiving that the audio decoder module is sent, and the rhythm of described media file is sent to described main control module;
Described main control module also is used for receiving behind the rhythm of described media file with the rhythm of described media file, title and in the sequence number of described media file storage module and stores described playlist into;
Described media file is audio compressed files or MIDI file;
The rhythm of described media file is known tempo and is preset in the player, or is placed in the player by the user, the rhythm of being analyzed out by the song rhythm analysis module;
The rhythm of described movement rhythm and media file is all used frequency representation.
5. system as claimed in claim 3 is characterized in that,
Described main control module also is used to store the pairing movement rhythm of in progress media file;
Described main control module is compared with the pairing movement rhythm of in progress media file of storage after also being used to receive movement rhythm, if the preset threshold value that both differences equal to set is then changed in progress media file.
6. the method for a playing media file comprises:
A calculates movement rhythm according to the accelerometer of described player;
B selects the media file the most close with the rhythm of described movement rhythm and plays.
7. method as claimed in claim 6 is characterized in that,
The step that also comprises the acceleration of the outer described player of bound pair of perception before the described step a.
8. method as claimed in claim 6 is characterized in that,
Among the described step b, selecting the media file the most close with the rhythm of described movement rhythm plays and is meant: search the rhythm with the media file of the difference minimum of described movement rhythm, and find out the pairing file name of rhythm and the sequence number of the media file of difference minimum, and then, finish the broadcast of described media file then according to the physical file that the title and the sequence number of described media file finds described media file;
Described media file is audio compressed files or MIDI file;
The rhythm of described media file is known tempo and is preset in the player, or is placed in the player by the user, the rhythm of being analyzed out by the song rhythm analysis module;
The rhythm of described movement rhythm and media file is all used frequency representation.
9. method as claimed in claim 6 is characterized in that,
Described method also comprises the step of following analyzing medium file rhythm:
To carrying out the analysis of media file rhythm, draw the rhythm of described media file through the decoded media file;
Store the rhythm of described media file, and form the corresponding relation of title, rhythm and the sequence number of media file.
10. method as claimed in claim 8 is characterized in that,
The step of described analyzing medium file rhythm and the process of playing media file are carried out or simultaneously as new media file input player and start automatically when player is in open state.
11. method as claimed in claim 7 is characterized in that,
The mode of changing in progress media file during described playing media file is:
Relatively the movement rhythm of current time is compared with the pairing movement rhythm of in progress media file of storage, when equaling preset threshold value as if both difference, then changes in progress media file; Or:
The intact back of in progress playback of media files selects with it the immediate media file of rhythm to play according to the current movement rhythm of receiving.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101797834A CN101197180B (en) | 2007-12-18 | 2007-12-18 | Player and method for playing media file |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101797834A CN101197180B (en) | 2007-12-18 | 2007-12-18 | Player and method for playing media file |
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| CN101197180A true CN101197180A (en) | 2008-06-11 |
| CN101197180B CN101197180B (en) | 2010-12-08 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101635156B (en) * | 2008-07-21 | 2011-08-24 | 鸿富锦精密工业（深圳）有限公司 | Handheld device effect and method capable of generating scratch |
| CN102403011A (en) * | 2010-09-14 | 2012-04-04 | 北京中星微电子有限公司 | Music output method and device |
| CN102969008A (en) * | 2012-11-02 | 2013-03-13 | 天津大学 | Digital music playing system with music changing along with motion |
| CN104318950B (en) * | 2014-08-25 | 2017-04-19 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN106606854A (en) * | 2016-02-29 | 2017-05-03 | 简极科技有限公司 | Basketball training or entertainment method with sound effect acting as rhythm and basketball training or entertainment system thereof |
| CN108681546A (en) * | 2018-03-26 | 2018-10-19 | 四川斐讯信息技术有限公司 | One kind moving synchronously method and system |
| CN109360592A (en) * | 2018-10-26 | 2019-02-19 | 苏州市航银机电有限公司 | Intelligent love song player |
Family Cites Families (3)
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| CN1953045A (en) * | 2005-09-09 | 2007-04-25 | 曹坚 | Method of playing rhythm music according to sports rhythm by digital music player |
| CN1932968A (en) * | 2005-09-15 | 2007-03-21 | 曹坚 | Musical rhythm identifying method for digital music player |
| CN1819014A (en) * | 2006-03-22 | 2006-08-16 | 曹坚 | Method for playing related rhythm music according to kinematic rhythm by digital musicial player |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101635156B (en) * | 2008-07-21 | 2011-08-24 | 鸿富锦精密工业（深圳）有限公司 | Handheld device effect and method capable of generating scratch |
| CN102403011A (en) * | 2010-09-14 | 2012-04-04 | 北京中星微电子有限公司 | Music output method and device |
| CN102969008A (en) * | 2012-11-02 | 2013-03-13 | 天津大学 | Digital music playing system with music changing along with motion |
| CN104318950B (en) * | 2014-08-25 | 2017-04-19 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN106606854A (en) * | 2016-02-29 | 2017-05-03 | 简极科技有限公司 | Basketball training or entertainment method with sound effect acting as rhythm and basketball training or entertainment system thereof |
| CN106606854B (en) * | 2016-02-29 | 2019-05-14 | 简极科技有限公司 | It is a kind of using audio as the basketball training of rhythm or amusing method and system |
| CN108681546A (en) * | 2018-03-26 | 2018-10-19 | 四川斐讯信息技术有限公司 | One kind moving synchronously method and system |
| CN109360592A (en) * | 2018-10-26 | 2019-02-19 | 苏州市航银机电有限公司 | Intelligent love song player |
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| CN101197180B (en) | 2010-12-08 |
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