CN108322816A - The playback method and system of background music in broadcast program - Google Patents
The playback method and system of background music in broadcast program Download PDFInfo
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- CN108322816A CN108322816A CN201810060166.0A CN201810060166A CN108322816A CN 108322816 A CN108322816 A CN 108322816A CN 201810060166 A CN201810060166 A CN 201810060166A CN 108322816 A CN108322816 A CN 108322816A
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- background music
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- currently playing
- play
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
- H04N21/4394—Processing of audio elementary streams involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/482—End-user interface for program selection
- H04N21/4825—End-user interface for program selection using a list of items to be played back in a given order, e.g. playlists
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8106—Monomedia components thereof involving special audio data, e.g. different tracks for different languages
- H04N21/8113—Monomedia components thereof involving special audio data, e.g. different tracks for different languages comprising music, e.g. song in MP3 format
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Electrophonic Musical Instruments (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Abstract
The present invention provides the playback method and system of background music in a kind of broadcast program, and wherein method includes：Identify that the reproduction time information, BPM values and beat of currently playing background music, the reproduction time information include at the time of starting to play and playing duration；At the time of next background music being played according to the reproduction time information of currently playing background music, BPM values and selection, it obtains and is carved at the beginning of playing next background music, the beat of next background music is consistent with the beat of currently playing background music.The present invention obtains duration of the audio per trifle by the BPM values and beat of identification music.Music is allowed to start on beat using these information.It is connected smooth coherent between music, it is complete that loop play is seamless.
Description
Technical field
The present invention relates to music technical fields, more particularly, to the playback method of background music in broadcast program
And system.
Background technology
In broadcast program, host in a program reciting news or speech when usually also need to play and meet oneself
The background music of word speed rhythm, fixed beat.Broadcasting background music can prevent sky and broadcast, and program can also be made to be unlikely to
It is too dull.
In practical operation, host can both select loop play a piece of music, can also play at random or in order
More songs.If the rhythm and word speed rhythm of music are in step with, audience, which hears, will feel comfortable melodious.
But the existing mode for playing background music is usually determined to suspend or be switched with feeling by rule of thumb by host,
Host is when preparing to stop current music, and playing next song, if stopping music being played on, Ke Nengyin immediately
Pleasure can stop at an arbitrary position：It i.e. may be in strong beat, it is also possible in weak beat, it is also possible between two clap, can feel from acoustically
Program stops suddenly, and two program linkings have some setbacks.For example, 3/4 music clapped is the cycle that wiping is wiped, spring is wiped that jumps, if just sung
To jumping with regard to jumper connection to other music, the rhythm of script has just been interrupted.
Invention content
The present invention provides background in a kind of broadcast program for overcoming the above problem or solving the above problems at least partly
The playback method and system of music.
According to an aspect of the present invention, a kind of playback method of background music in broadcast program is provided, including：
S1, reproduction time information, BPM values and the beat for identifying currently playing background music, the reproduction time information
Including start play at the time of and playing duration；
S2, next background sound is played according to the reproduction time information of currently playing background music, BPM values and selection
At the time of happy, obtain play next background music at the beginning of carve, the beat of next background music with it is currently playing
Background music beat it is consistent.
Preferably, the step S1 is specifically included：
Identify the BPM values and beat of currently playing background music；
To currently playing background music, the beginning that background music is arranged according to the total duration of the background music and beat is small
Section terminates trifle and playing duration；
To start play current background music at the time of and playing duration as the reproduction time information.
Preferably, before the step S1, further include：
Select a certain number of music in Qu Ku, and identify in a certain number of music the BPM values of per song and
Beat, will be more than threshold value with the degree of approximation of preset BPM values and music identical with default beat is added in playlist, with
Next background music is selected from playlist.
Preferably, in the step S2 root according to the reproduction time information, BPM values and choosing of currently playing background music
At the time of selecting next background music of broadcasting, carves, specifically include at the beginning of obtaining next background music：
S2.1, the BPM values according to currently playing background music and every trifle beat number, obtain the currently playing back of the body
Every trifle duration of scape music；
S2.2, will start play current background music at the time of and selection play next background music at the time of distinguish
As the first moment and the second moment；
S2.3, the duration according to every trifle of the difference and current background music at first moment and the second moment,
At the time of acquisition starts to play next background music.
Preferably, when the step S2.1 obtains every trifle of currently playing background music especially by following formula
It is long：
T=(60/b) * n
Wherein, T indicates every trifle duration of currently playing background music；B indicates the BPM of currently playing background music
Value；N indicates every trifle beat number of currently playing background music.
Preferably, at the time of the step S2.3 starts to play next background music especially by following formula acquisition：
Ts={ [(T2–T1)mod T]+1}×T+T1
Wherein, TsAt the time of expression starts to play next background music；T1Indicated for the first moment；T2Indicated for the second moment；
Mod indicates modulus operation.
Preferably, further include after the step S2：
The broadcast mode for inquiring preset background music is starting when the broadcast mode of background music is first method
After playing next background music, previous first background music fade out stopping operation.
Preferably, further include after the step S2：
The broadcast mode for inquiring preset background music, when the broadcast mode of background music is second method, before holding
The volume of one first background music is constant.
According to another aspect of the present invention, a kind of play system of background music in broadcast program is also provided, including：
Identification module, the reproduction time information, BPM values and beat of currently playing background music, described to broadcast for identification
It includes at the time of starting to play and playing duration to put temporal information；
Playing module, under being played according to the reproduction time information of currently playing background music, BPM values and selection
At the time of one first background music, obtains and carved at the beginning of playing next background music, the beat of next background music
It is consistent with the beat of currently playing background music.
Preferably, the playback method further includes：
List block for selecting a certain number of music in Qu Ku, and identifies in a certain number of music per first
The BPM values and beat of music, will be more than threshold value with the degree of approximation of preset BPM values and music identical with default beat is added to
In playlist, to select next background music from playlist.
The playback method and system of background music in broadcast program proposed by the present invention, by identify music BPM values and
Beat obtains duration of the audio per trifle.Music is allowed to start on beat using these information.It is connected between music smooth
Coherent, it is complete that loop play is seamless.
Description of the drawings
Fig. 1 is the flow diagram according to the playback method of the background music of the embodiment of the present invention；
Fig. 2 is the functional block diagram according to the play system of the background music of the embodiment of the present invention.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
In order to overcome the above problem of the prior art, the embodiment of the present invention provides a kind of broadcasting for background music in broadcast program
Method is put, referring to Fig. 1, including：
S1, reproduction time information, BPM values and the beat for identifying currently playing background music, reproduction time information include
Start play at the time of and playing duration；
S2, next background sound is played according to the reproduction time information of currently playing background music, BPM values and selection
At the time of happy, obtain play next background music at the beginning of carve, the beat of next background music with it is currently playing
Background music beat it is consistent.
It should be noted that the background music played in broadcast program, be usually fixed the music of beat, and music be by
A certain number of note compositions, note form trifle according to beat.Such as 4/4 clap, and indicates with 1/4 note to be one to clap, per trifle 4
It claps.The duration of each trifle is determined by note duration and beat number, and in a piece of music, the duration per trifle is fixed, and
And all contain complete beat.
BPM value (the full name in English of music：Beat Per Minute) value refer to song bat in one minute sum, i.e.,
In one minute, drum has issued sound several times in total, and the unit of this quantity is BPM values.Such as the electronics of a head House is waved
Drum sound has tapped 124 times within Qu Yi minutes, then this first song is just 124BPM values.The knowledge of BPM values in the embodiment of the present invention
Other mode can be used in combination artificial mode to count drum sound at leisure with wrist-watch or stopwatch come timing；Some calculating BPM values can also be used
Machine or mixer calculate, such as the mixer of Pioneer DJM-500 has a built-in BPM values counter.
The embodiment of the present invention at the time of starting to play in conjunction with current music, is determined by the BPM values and beat of identification music
The reproduction time of next song, allows music always on beat, is connected smooth coherent between music, it is complete that loop play is seamless
It is whole.
On the basis of the various embodiments described above, step S1 is specifically included：
Identify the BPM values and beat of currently playing background music；
To currently playing background music, the beginning that background music is arranged according to the total duration of the background music and beat is small
Section terminates trifle and playing duration；
To start play current background music at the time of and playing duration as reproduction time information.
It should be noted that the oscillogram (abscissa is the time, and ordinate is amplitude) by analyzing music, can know
At the beginning of the duration and each beat of each beat of music and the end time, and then obtain the beginning trifle of background music
With end trifle.
On the basis of the various embodiments described above, this playback method further includes before step S1：
Select a certain number of music in Qu Ku, and identify in a certain number of music the BPM values of per song and
Beat, will be more than threshold value with the degree of approximation of preset BPM values and music identical with default beat is added in playlist, with
Next background music is selected from playlist.
As well-known to those skilled in the art, announcing play-by-play would generally prepare a Qu Ku, for announcing play-by-play with
By means of experience and feel to select background music from Qu Ku.The embodiment of the present invention can combine to more easily select background music
A certain number of music are pre-selected from Qu Ku and are added to playlist for BPM values and beat, reduce main broadcaster and select background sound
Happy range, the beat and BPM values of selectable background music are close, do not have lofty feeling after switching.
On the basis of the various embodiments described above, in step S2 according to the reproduction time information of currently playing background music,
At the time of BPM values and selection play next background music, carves, specifically include at the beginning of obtaining next background music：
S2.1, the BPM values according to currently playing background music and every trifle beat number, obtain currently playing background sound
Happy every trifle duration obtains every trifle duration of currently playing background music especially by following formula：
T=(60/b) * n
Wherein, T indicates every trifle duration of currently playing background music；B indicates the BPM of currently playing background music
Value；N indicates every trifle beat number of currently playing background music, and 60 indicate 60 seconds.
S2.2, will start play current background music at the time of and selection play next background music at the time of distinguish
As the first moment and the second moment；
S2.3, the duration according to every trifle of the difference and current background music at the first moment and the second moment, obtain
At the time of starting to play next background music.
At the time of step S2.3 starts to play next background music especially by following formula acquisition：
Ts={ [(T2–T1)mod T]+1}×T+T1
Wherein, TsAt the time of expression starts to play next background music；T1Indicated for the first moment；T2Indicated for the second moment；
Mod indicates modulus operation.T2With T1Difference and T do the result of modulus operation and indicate from starting to play current background music to choosing
It selects and has played several complete trifles during playing next background music, which is added after 1 multiplied by with the duration of trifle, just
The time span that distance selection plays the integral multiple of the nearest complete duration of trifle of next background music is obtained, by the time
Length is added with the first moment, at the time of starting to play next background music with regard to obtaining.
On the basis of the various embodiments described above, further include after step S2：
The broadcast mode for inquiring preset background music is starting when the broadcast mode of background music is first method
After playing next background music, previous first background music fade out stopping operation.It should be noted that stopping behaviour of fading out
Work refers to the volume for continuously decreasing music, until volume decrease is down to 0, this general process can be completed at several seconds, and use is light
Go out and stop operation the broadcasting form that can enrich music, and brings complete paragraph sense.
On the basis of the various embodiments described above, further include after step S2：
The broadcast mode for inquiring preset background music, when the broadcast mode of background music is second method, before holding
The volume of one first background music is constant.Using keeping, the volume of previous first background music is constant to be suitable in the broadcast
The case where intercutting applause, laugh and other effects sound.
It should be noted that the broadcast mode of the present invention further includes single loop play, i.e., next background music is with before
One first background music is identical, in practical operation, can pre-set the beginning trifle of background music and terminate trifle to constitute
As soon as the snatch of music of cycle, realization loop play seamless connection at once after snatch of music previous in this way.
According to another aspect of the present invention, the play system that background music in a kind of broadcast program is also provided, referring to figure
2, including：
Identification module 201, the reproduction time information, BPM values and beat of currently playing background music, play for identification
Temporal information includes at the time of starting to play and playing duration；
Playing module 202, for being broadcast according to the reproduction time information of currently playing background music, BPM values and selection
At the time of putting next background music, obtains and carved at the beginning of playing next background music, next background music
Beat is consistent with the beat of currently playing background music.
The play system of the embodiment of the present invention starts to play by the BPM values and beat of identification music in conjunction with current music
At the time of, it determines the reproduction time of next song, allows music always on beat, be connected smooth coherent between music, cycle
It plays seamless complete.
On the basis of the above embodiments, play system further includes：
List block for selecting a certain number of music in Qu Ku, and identifies in a certain number of music per first
The BPM values and beat of music, will be more than threshold value with the degree of approximation of preset BPM values and music identical with default beat is added to
In playlist, to select next background music from playlist.
The apparatus embodiments described above are merely exemplary, wherein can be as the unit that separating component illustrates
Or may not be and be physically separated, the component shown as unit may or may not be physical unit, i.e.,
A place can be located at, or may be distributed over multiple network units.It can select according to the actual needs therein
Some or all of module achieves the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creative labor
In the case of dynamic, you can to understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It is realized by the mode of software plus required general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be expressed in the form of software products in other words, should
Computer software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
The method of certain parts of example or embodiment.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. the playback method of background music in a kind of broadcast program, which is characterized in that including：
S1, reproduction time information, BPM values and the beat for identifying currently playing background music, the reproduction time information include
Start play at the time of and playing duration；
S2, next background music is played according to the reproduction time information of currently playing background music, BPM values and selection
Moment obtains and is carved at the beginning of playing next background music, the beat of next background music and the currently playing back of the body
The beat of scape music is consistent.
2. playback method as described in claim 1, which is characterized in that the step S1 is specifically included：
Identify the BPM values and beat of currently playing background music；
To currently playing background music, according to the total duration of the background music and beat be arranged background music beginning trifle,
Terminate trifle and playing duration；
To start play current background music at the time of and playing duration as the reproduction time information.
3. playback method as described in claim 1, which is characterized in that before the step S1, further include：
A certain number of music in Qu Ku are selected, and identify the BPM values and beat of per song in a certain number of music,
To be more than that threshold value and music identical with default beat are added in playlist with the degree of approximation of preset BPM values, with from broadcasting
It emplaces and selects next background music in table.
4. playback method as described in claim 1, which is characterized in that according to currently playing background music in the step S2
Reproduction time information, BPM values and selection play next background music at the time of, obtain the beginning of next background music
Moment specifically includes：
S2.1, the BPM values according to currently playing background music and every trifle beat number, obtain the currently playing background sound
Happy every trifle duration；
S2.2, will start play current background music at the time of and selection play next background music at the time of as
First moment and the second moment；
S2.3, the duration according to every trifle of the difference and current background music at first moment and the second moment, obtain
At the time of starting to play next background music.
5. playback method as claimed in claim 4, which is characterized in that the step S2.1 is worked as especially by following formula
Every trifle duration of the background music of preceding broadcasting：
T=(60/b) * n
Wherein, T indicates every trifle duration of currently playing background music；B indicates the BPM values of currently playing background music；n
Indicate every trifle beat number of currently playing background music.
6. playback method as claimed in claim 4, which is characterized in that the step S2.3 is opened especially by following formula
At the time of beginning to play next background music：
Ts={ [(T2–T1)mod T]+1}×T+T1
Wherein, TsAt the time of expression starts to play next background music；T1Indicated for the first moment；T2Indicated for the second moment；mod
Indicate modulus operation.
7. playback method as claimed in claim 4, which is characterized in that further include after the step S2：
The broadcast mode for inquiring preset background music is starting to play when the broadcast mode of background music is first method
After next background music, previous first background music fade out stopping operation.
8. playback method as claimed in claim 4, which is characterized in that further include after the step S2：
The broadcast mode for inquiring preset background music keeps previous head when the broadcast mode of background music is second method
The volume of background music is constant.
9. the play system of background music in a kind of broadcast program, which is characterized in that including：
Identification module, the reproduction time information, BPM values and beat of currently playing background music for identification, when the broadcasting
Between information include start play at the time of and playing duration；
Playing module plays next background according to the reproduction time information of currently playing background music, BPM values and selection
At the time of music, the beat of next background music is consistent with the beat of currently playing background music.
10. playback method as claimed in claim 9, which is characterized in that further include：
List block for selecting a certain number of music in Qu Ku, and identifies per song in a certain number of music
BPM values and beat, will be more than that threshold value and music identical with default beat are added to broadcasting with the degree of approximation of preset BPM values
In list, to select next background music from playlist.
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| CN201810060166.0A CN108322816B (en) | 2018-01-22 | 2018-01-22 | Method and system for playing background music in broadcast program |
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| CN201810060166.0A CN108322816B (en) | 2018-01-22 | 2018-01-22 | Method and system for playing background music in broadcast program |
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| CN112494944A (en) * | 2020-11-26 | 2021-03-16 | 北京达佳互联信息技术有限公司 | Game control method, device, electronic equipment and medium |
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| CN108322816B (en) | 2020-07-31 |
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