CN104361883A - Production method and device of singing evaluation standards files - Google Patents
Production method and device of singing evaluation standards files Download PDFInfo
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- CN104361883A CN104361883A CN201410531519.2A CN201410531519A CN104361883A CN 104361883 A CN104361883 A CN 104361883A CN 201410531519 A CN201410531519 A CN 201410531519A CN 104361883 A CN104361883 A CN 104361883A
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Abstract
The invention discloses a production method of singing evaluation standards files. The production method includes the steps of acquiring first information of a song, including lyric pitch information, lyric text information, correspondence between the lyric pitch information and time information and correspondence between the lyric text information and the lyric pitch information; converting the first information to obtain a singing evaluation standards file. The correspondence between the lyric pitch information and the time information is acquired from an MIDI (musical instrument digital interface) file of the song; the correspondence between the lyric text information and the lyric pitch information is acquired from the MIDI file or a score file of the song. The production method according to the technical scheme has the advantages that the time of confirming each word and its pitch during production of the singing evaluation standards file is greatly shortened, the production process of the singing evaluation standards file is simplified, and efficiency in producing the singing evaluation standards file is greatly improved.
Description
Technical field
The present invention relates to electronic format song secondary file manufacture technology field, particularly one sings evaluating standard documenting method and apparatus.
Background technology
Singing evaluating standard file is a kind of music subtitle file with the lyrics, tone and temporal information, can show together when music with music, and the lyrics that the inside comprises and tone can be presented at accurately in play time according to temporal information.
Present stage makes the method singing evaluating standard file and mainly passes through to take off spectrum from audio frequency, and the lyrics are inserted below the spectrum of correspondence, or directly download the music score of Chinese operas on the net, again the music score of Chinese operas is confirmed to the time of each word and sound, just can generate one and sing evaluating standard file, but the method is consuming time more, manufacturing process is also complicated.
Summary of the invention
For this reason, need to provide a kind of simple and convenient, automaticity higher sing evaluating standard documenting method and apparatus.
For achieving the above object, inventor provide one and sing evaluating standard documenting method, comprise step: the first information obtaining song, the described first information comprises the corresponding relation of lyrics pitch information, lyrics text message, lyrics pitch information and temporal information and the corresponding relation of lyrics text message and lyrics pitch information, the corresponding relation of described lyrics pitch information and temporal information is obtained from song MIDI file, and the corresponding relation of described lyrics text message and lyrics pitch information is obtained from song MIDI file or song music score of Chinese operas file;
Obtain singing evaluating standard file as conversion process to the described first information, described conversion process comprises:
A point row relax is done to lyrics text message, and the temporal information represented with MIDI time format is converted to the temporal information that absolute duration form shfft shows.
Further, described sings in evaluating standard documenting method, when the corresponding relation of lyrics text message and lyrics pitch information is obtained from song music score of Chinese operas file, before step " obtains the first information of song ", also comprises step:
From song music score of Chinese operas file, obtain the corresponding relation of lyrics text message and lyrics pitch information, and utilize the corresponding relation of song MIDI file and described lyrics text message and lyrics pitch information to generate the song MIDI file being with the lyrics; And
Described " obtaining the first information of song " specifically comprises: the first information obtaining song from the song MIDI file of the band lyrics.
Further, described sings in evaluating standard documenting method, and described conversion process also comprises:
The lyrics pitch information of decimal representation will be converted to the lyrics pitch information of hexadecimal representation in the first information.
Further, described sings in evaluating standard documenting method, and described conversion operations also comprises:
Corresponding relation according to Chinese character and Chinese character simple or compound vowel of a Chinese syllable resolves lyrics text message to obtain the simple or compound vowel of a Chinese syllable information of the lyrics, and described simple or compound vowel of a Chinese syllable information is added into and sings evaluating standard file.
Further, described sings in evaluating standard documenting method, and described " making a point row relax to lyrics text message " specifically comprises:
Make a point row relax according to branch marker to lyrics text message, described branch marker is marked in song MIDI file through a branch marker pre-treatment step; Or
Obtain branch location information from the LRC form lyrics file of song, and according to described branch location information, a point row relax is done to lyrics text message.
Further, described sings in evaluating standard documenting method, and described " temporal information represented by MIDI time format is converted to the temporal information in units of second or millisecond " specifically comprises:
From the file header of song MIDI file, obtain song format information basic time, and the temporal information represented with MIDI time format is converted to according to described song format information basic time the temporal information that absolute duration form shfft shows.
Inventor additionally provides one and sings evaluating standard file producing device, comprises information acquisition unit and conversion processing unit;
Described information acquisition unit is for obtaining the first information of song, the described first information comprises the corresponding relation of lyrics pitch information, lyrics text message, lyrics pitch information and temporal information and the corresponding relation of lyrics text message and lyrics pitch information, the corresponding relation of described lyrics pitch information and temporal information is obtained from song MIDI file, and the corresponding relation of described lyrics text message and lyrics pitch information is obtained from song MIDI file or song music score of Chinese operas file;
Described conversion processing unit is used for obtaining singing evaluating standard file as conversion process to the described first information, and described conversion processing unit comprises branch's module and time modular converter;
Described branch module is used for making a point row relax to lyrics text message;
The temporal information that described time modular converter shows for the temporal information represented with MIDI time format being converted to absolute duration form shfft.
Further, described sings in evaluating standard file producing device, when the corresponding relation of lyrics text message and lyrics pitch information is obtained from song music score of Chinese operas file, described information acquisition unit obtains the corresponding relation of lyrics text message and lyrics pitch information from song music score of Chinese operas file, and utilizes the corresponding relation of song MIDI file and described lyrics text message and lyrics pitch information to generate the song MIDI file being with the lyrics; And described " obtaining the first information of song " specifically comprises: the first information obtaining song from the song MIDI file of the band lyrics.
Further, described sings in evaluating standard file producing device, and described conversion processing unit also comprises pitch modular converter, for the lyrics pitch information by being converted into decimal representation in the first information with the lyrics pitch information of hexadecimal representation.
Further, described sings in evaluating standard file producing device, described conversion processing unit also comprises simple or compound vowel of a Chinese syllable and adds module, for resolving lyrics text message according to the corresponding relation of Chinese character and Chinese character simple or compound vowel of a Chinese syllable to obtain the simple or compound vowel of a Chinese syllable information of the lyrics, and described simple or compound vowel of a Chinese syllable information is added into sings evaluating standard file.
Further, described sings in evaluating standard file producing device, and described branch module is used for making a point row relax to lyrics text message and specifically comprises:
Make a point row relax according to branch marker to lyrics text message, described branch marker is marked in song MIDI file through a branch marker pre-treatment step; Or
Obtain branch location information from the LRC form lyrics file of song, and according to described branch location information, a point row relax is done to lyrics text message.
Further, described sings in evaluating standard file producing device, and time modular converter is used for the temporal information represented with MIDI time format to be converted to the temporal information that absolute duration form shfft shows and specifically comprises:
From the file header of song MIDI file, obtain song format information basic time, and the temporal information represented with MIDI time format is converted into according to described song format information basic time the temporal information that absolute duration form shfft shows.
Be different from prior art, technique scheme greatly can be saved to make and be sung the time confirming each word and pitch thereof in evaluating standard file processes, simplify and sing evaluating standard documenting flow process, thus greatly improve the make efficiency singing evaluating standard file.
Accompanying drawing explanation
Fig. 1 is for singing the process flow diagram of evaluating standard documenting method described in first embodiment of the invention;
Fig. 2 is for singing the process flow diagram of evaluating standard documenting method described in second embodiment of the invention;
Fig. 3 is for singing the process flow diagram of evaluating standard documenting method described in third embodiment of the invention;
Fig. 4 is the structural representation singing evaluating standard file producing device of the present invention.
Description of reference numerals:
1-information acquisition unit
2-conversion processing unit
21-branch module
22-time modular converter
23-pitch modular converter
24-simple or compound vowel of a Chinese syllable adds module
Embodiment
By describe in detail technical scheme technology contents, structural attitude, realized object and effect, coordinate accompanying drawing to be explained in detail below in conjunction with specific embodiment.
Refer to Fig. 1, for singing the process flow diagram of evaluating standard documenting method described in first embodiment of the invention; Described method comprises the following steps:
S10, in song MIDI file to lyrics text message add branch marker;
S11, from song MIDI file, obtain the first information of song, the described first information comprises the corresponding relation of lyrics pitch information, lyrics text message, lyrics pitch information and temporal information and the corresponding relation of lyrics text message and lyrics pitch information;
S12, obtain singing evaluating standard file as conversion process to the described first information, described conversion process comprises:
According to branch marker, a point row relax is done to lyrics text message;
From the file header of song MIDI file, obtain song format information basic time, and the temporal information represented with MIDI time format is converted to according to described song format information basic time the temporal information that absolute duration form shfft shows;
The lyrics pitch information of decimal representation will be converted to the lyrics pitch information of hexadecimal representation in the first information;
Corresponding relation according to Chinese character and Chinese character simple or compound vowel of a Chinese syllable resolves lyrics text message to obtain the simple or compound vowel of a Chinese syllable information of the lyrics, and described simple or compound vowel of a Chinese syllable information is added into and sings evaluating standard file.
In fact, before step S10, also comprise the pre-treatment step of a MIDI file checking and correction, in this step, first check whether MIDI file exists mistake or omit part, if any, the mistake existed is repaired or omission part is supplemented.
Step S10 is in fact one and adds the pre-treatment step of branch marker to song MIDI file, through this pre-treatment step, the song MIDI file including branch marker can be resolved these marks by converse routine easily and mark automatic branch according to these in subsequent transition procedure.Add branch marker can be ", ": "/" or " | " etc., can by adding manually for the mark identified, also can be add rule according to the branch marker preset and add.The branch marker preset adds rule and can comprise: semantics recognition punctuate rule, as added branch marker in the place can made pauses in reading unpunctuated ancient writings according to Semantic judgement; Time identifies punctuate rule, as added branch marker when being greater than a certain preset value according to the interval of the time that finishes of word before in the lyrics and the start time of rear word; The long punctuate rule of sentence can also be comprised, as added branch marker when a line length is greater than a certain preset value.Branch marker adds the combination that rule also can be several rules above-mentioned.
Conversion process described in step S12 comprises the lyrics pitch information by being converted to decimal representation in the first information with the lyrics pitch information of hexadecimal representation, because with the lyrics pitch information of the perfect pitch information of the lyrics of decimal representation compared with hexadecimal representation original in midi format, more contribute to comparing with the pitch information received in practical application and judging pitch whether standard.
Conversion process described in step S12 also comprises the temporal information temporal information represented with MIDI time format being converted to absolute duration form shfft and showing, this is because song MIDI file is a kind of e-file, it only provides the relative position of the duration shared by each note at Quan Quzhong and relative length, this temporal information presentation format does not meet the demand singing evaluating standard document presentation, so need to be converted into " second, millisecond " etc. standard time format represent, and starting point and the end point absolute position on a timeline of each note are provided, more be conducive to the real process singing evaluation and test.Particularly, the time span that " tempo " field record in MIDI file in header information has a crotchet to occupy, the tick number (tick is chronomere minimum in midi format file) that " format " field record crotchet comprises, can obtain the time span that a tick represents, just can convert the temporal information obtaining representing with standard time format such as " second, milliseconds ".
Present embodiment is mainly set forth and obtain the first information (comprising the corresponding relation of lyrics pitch information, lyrics text message, lyrics pitch information and temporal information and the corresponding relation of lyrics text message and lyrics pitch information) from the MIDI file of subsidiary lyrics text message, and sings evaluating standard file according to first information foundation.Described evaluating standard file of singing is in fact a kind of music subtitle file with the lyrics, pitch and temporal information, can when playback of songs simultaneous display, comprising the lyrics and pitch information can be presented in each play time according to temporally precise; For evaluating and testing singer to the performance of a certain song whether standard, whether the note pitch comprising each word in evaluation and test every lyrics sings standard, whether note duration sings foot, the lyrics is whether sung and to enunciate whether standard and sing whether accurately meet beat to, Chinese speech pronunciation.
Described evaluating standard file of singing generally includes following information:
1, title of the song information, namely what the song title of this song is;
2, channel information, indicates that this song includes the lyrics of several passage, pitch and temporal information;
3, which the row lyrics, pitch and temporal information is row information, have in certain passage of this song;
4, lyrics information, indicate what these lyrics are, the inside includes which pitch and temporal information;
5, pitch information, indicates that perfect pitch value is how many, and the temporal information of its correspondence;
6, temporal information, shows with absolute duration, represents the time as used the International System of Units such as hour, minute, second, millisecond.
Such as, the following partial content singing evaluating standard file for song " east wind breaks ":
<title> east wind breaks </title> (this song " east wind breaks " by name)
<metachannel=" 2 "/> (this song includes the lyrics of two passages, pitch and temporal information)
<channelnum=" 1 " > (this indicates the lyrics of first passage, pitch and temporal information)
<linenum=" 1 " > (indicating the lyrics of the first row, pitch and temporal information)
<lrcnm=" one " yun=" i " > (this is the first row first lyrics " ", and its simple or compound vowel of a Chinese syllable is " i ", includes two pitches and temporal information)
<metaoff=" 13.475 " on=" 13.424 " pi=" 67 " vol=" 100 "/> (pitch value indicating first sound of the lyrics " " is 67, and the time was maintained to 13.475 seconds from 13.424 seconds)
<metaoff=" 13.707 " on=" 13.475 " pi=" 69 " vol=" 100 "/> (pitch value indicating second sound of the lyrics " " is 69, and the time was maintained to 13.707 seconds from 13.475 seconds)
The </lrc> end mark of a word (in the lyrics)
<lrcnm=" small cup " yun=" an " > (second lyrics information)
<metaoff＝"14.121"on＝"13.808"pi＝"67"vol＝"100"/>
</lrc>
……
</line> (end mark of a line)
……
Refer to Fig. 2, for singing the process flow diagram of evaluating standard documenting method described in second embodiment of the invention; Described method comprises the following steps:
The first information of S21, acquisition song, the described first information comprises the corresponding relation of lyrics pitch information, lyrics text message, lyrics pitch information and temporal information and the corresponding relation of lyrics text message and lyrics pitch information, the corresponding relation of described lyrics pitch information and temporal information is obtained from song MIDI file, and the corresponding relation of described lyrics text message and lyrics pitch information is obtained from song music score of Chinese operas file;
The music score of Chinese operas file of song is a kind of general file, obtains one of mode of lyrics text message, lyrics pitch information and the corresponding relation of the two and be artificial judgment and gather above-mentioned information from music score of Chinese operas file.
S22, obtain singing evaluating standard file as conversion process to the described first information, described conversion process comprises:
Obtain branch location information from the LRC form lyrics file of song, and according to described branch location information, a point row relax is done to lyrics text message.
Such as, the LRC lyrics of song " liking just to have liked " are as follows:
[00:32.81] he cut new hair
[00:37.85] phone has also changed number
How [00:41.82] asks is not answered
[00:47.22] calls it quits
Can find out, the beginning of often going marks all if having time, can reach distinguish the capable object of the lyrics with this, and Here it is from the LRC form lyrics file of song obtains the major way of branch location information.
From the file header of song MIDI file, obtain song format information basic time, and the temporal information represented with MIDI time format is converted to according to described song format information basic time the temporal information that absolute duration form shfft shows;
The lyrics pitch information of decimal representation will be converted to the lyrics pitch information of hexadecimal representation in the first information;
Corresponding relation according to Chinese character and Chinese character simple or compound vowel of a Chinese syllable resolves lyrics text message to obtain the simple or compound vowel of a Chinese syllable information of the lyrics, and described simple or compound vowel of a Chinese syllable information is added into and sings evaluating standard file.
In fact, before step S21, also comprise the pre-treatment step of a MIDI file checking and correction, in this step, first check whether MIDI file exists mistake or omit part, if any, the mistake existed is repaired or omission part is supplemented.
Conversion process described in step S22 comprises the lyrics pitch information by being converted to decimal representation in the first information with the lyrics pitch information of hexadecimal representation.Because when the accuracy in pitch that actual analysis singer sings or pitch, result given by software is normally metric, so with the perfect pitch information of the lyrics of decimal representation compared with hexadecimal representation original in midi format lyrics pitch information more contribute to calculating in practical application and display, therefore for the decimal system pitch information be convenient to receive to be compared also unified for the pitch form sung in evaluating standard file and to judge pitch whether standard.
Conversion process described in step S22 also comprises the temporal information temporal information represented with MIDI time format being converted to absolute duration form shfft and showing, this is because song MIDI file is a kind of e-file, it only provides the relative position of the duration shared by each note at Quan Quzhong and relative length, this temporal information presentation format does not meet the demand singing evaluating standard document presentation, and be converted into " second, millisecond " etc. standard time format represent, and after the starting point that each note is provided and end point absolute position on a timeline, even if same person is sung same song and all can be obtained more stable mark under different time and different environment, consistance and the versatility of singing evaluation and test can be improved, more be conducive to the real process singing evaluation and test.
Present embodiment is mainly set forth and is obtained the first information (comprising the corresponding relation of lyrics pitch information, lyrics text message, lyrics pitch information and temporal information and the corresponding relation of lyrics text message and lyrics pitch information) to not attaching in the MIDI file of lyrics text message and song music score of Chinese operas file, and sings the process of evaluating standard file according to first information foundation.Described evaluating standard file of singing is in fact a kind of music subtitle file with the lyrics, pitch and temporal information, can when playback of songs simultaneous display, comprising the lyrics and pitch information can be presented in each play time according to temporally precise; For evaluating and testing singer to the performance of a certain song whether standard, whether the note pitch comprising each word in evaluation and test every lyrics sings standard, whether note duration sings foot, the lyrics is whether sung and to enunciate whether standard and sing whether accurately meet beat to, Chinese speech pronunciation.
Refer to Fig. 3, for singing the process flow diagram of evaluation and test documenting method described in third embodiment of the invention.Described method comprises the steps:
S31, from song music score of Chinese operas file, obtain the second information, described second information comprises the corresponding relation of lyrics text message and lyrics text message and lyrics pitch information;
S32, described second information is added into song MIDI file, then branch marker is added to the lyrics text message in song MIDI file;
S33, from song MIDI file, obtain the first information of song, the described first information comprises the corresponding relation of lyrics pitch information, lyrics text message, lyrics pitch information and temporal information and the corresponding relation of lyrics text message and lyrics pitch information;
S34, obtain singing evaluating standard file as conversion process to the described first information, described conversion process comprises:
According to branch marker, a point row relax is done to lyrics text message;
From the file header of song MIDI file, obtain song format information basic time, and the temporal information represented with MIDI time format is converted to according to described song format information basic time the temporal information that absolute duration form shfft shows;
The lyrics pitch information of decimal representation will be converted to the lyrics pitch information of hexadecimal representation in the first information;
Corresponding relation according to Chinese character and Chinese character simple or compound vowel of a Chinese syllable resolves lyrics text message to obtain the simple or compound vowel of a Chinese syllable information of the lyrics, and described simple or compound vowel of a Chinese syllable information is added into and sings evaluating standard file.
In fact, before step S31, also comprise the pre-treatment step of a MIDI file checking and correction, in this step, first check whether MIDI file exists mistake or omit part, if any, the mistake existed is repaired or omission part is supplemented.
Present embodiment mainly sets forth the corresponding relation obtaining lyrics text message and lyrics text message and lyrics pitch information from music score of Chinese operas file, then itself and branch marker information are added into MIDI file, thus make MIDI file have complete process information, so directly the overall process singing evaluating standard file is converted to MIDI file.Described evaluating standard file of singing is in fact a kind of music subtitle file with the lyrics, pitch and temporal information, can when playback of songs simultaneous display, comprising the lyrics and pitch information can be presented in each play time according to temporally precise; For evaluating and testing singer to the performance of a certain song whether standard, whether the note pitch comprising each word in evaluation and test every lyrics sings standard, whether note duration sings foot, the lyrics is whether sung and to enunciate whether standard and sing whether accurately meet beat to, Chinese speech pronunciation.
Refer to Fig. 4, be the structural representation singing evaluating standard file producing device of the present invention, described device comprises information acquisition unit 1 and conversion processing unit 2;
Described information acquisition unit 1 is for obtaining the first information of song, the described first information comprises the corresponding relation of lyrics pitch information, lyrics text message, lyrics pitch information and temporal information and the corresponding relation of lyrics text message and lyrics pitch information, the corresponding relation of described lyrics pitch information and temporal information is obtained from song MIDI file, and the corresponding relation of described lyrics text message and lyrics pitch information is obtained from song MIDI file or song music score of Chinese operas file;
Described conversion processing unit 2 is for obtaining singing evaluating standard file as conversion process to the described first information, and described conversion processing unit comprises branch module 21, time modular converter 22, pitch modular converter 23 and simple or compound vowel of a Chinese syllable and adds module 24;
Described branch module 21 is for making a point row relax to lyrics text message; Specifically comprise:
Make a point row relax according to branch marker to lyrics text message, described branch marker is marked in song MIDI file through a branch marker pre-treatment step; Or
Obtain branch location information from the LRC form lyrics file of song, and according to described branch location information, a point row relax is done to lyrics text message.
The temporal information represented with MIDI time format for obtaining song format information basic time in the file header from song MIDI file, and to be converted into according to described song format information basic time the temporal information that absolute duration form shfft shows by described time modular converter 22;
Described pitch modular converter 23 is for the lyrics pitch information by being converted into decimal representation in the first information with the lyrics pitch information of hexadecimal representation;
Described simple or compound vowel of a Chinese syllable adds module 24 for resolving lyrics text message according to the corresponding relation of Chinese character and Chinese character simple or compound vowel of a Chinese syllable to obtain the simple or compound vowel of a Chinese syllable information of the lyrics, and described simple or compound vowel of a Chinese syllable information is added into and sings evaluating standard file.
The working method singing evaluating standard file producing device described in four embodiment of the invention is as follows:
Branch's module 21 adds branch marker to lyrics text message in song MIDI file;
Information acquisition unit 1 obtains the first information of song from song MIDI file, and the described first information comprises the corresponding relation of lyrics pitch information, lyrics text message, lyrics pitch information and temporal information and the corresponding relation of lyrics text message and lyrics pitch information;
Conversion processing unit 2 obtains singing evaluating standard file as conversion process to the described first information, and described conversion process comprises:
Branch's module 21 makes a point row relax according to branch marker to lyrics text message;
Time modular converter 22 obtains song format information basic time from the file header of song MIDI file, and the temporal information represented with MIDI time format is converted to according to described song format information basic time the temporal information that absolute duration form shfft shows;
Pitch modular converter 23 will be converted to the lyrics pitch information of decimal representation with the lyrics pitch information of hexadecimal representation in the first information;
Simple or compound vowel of a Chinese syllable adds module 24 and resolves lyrics text message to obtain the simple or compound vowel of a Chinese syllable information of the lyrics according to the corresponding relation of Chinese character and Chinese character simple or compound vowel of a Chinese syllable, and described simple or compound vowel of a Chinese syllable information is added into and sings evaluating standard file.
In fact, described in sing evaluating standard file producing device and also comprise a MIDI file pretreatment unit, for checking whether MIDI file exists mistake or omit part, if any, the mistake existed being repaired or omission part is supplemented.
Branch's module 21 pairs of MIDI files add branch marker, and so, the song MIDI file including branch marker can be resolved these marks easily and mark automatic branch according to these in subsequent transition procedure.Add branch marker can be ", ", "/" or " | " etc. for the mark identified, can, by adding manually, also can be add rule according to the branch marker preset and add.The branch marker preset adds rule and can comprise: semantics recognition punctuate rule, as added branch marker in the place can made pauses in reading unpunctuated ancient writings according to Semantic judgement; Time identifies punctuate rule, as added branch marker when being greater than a certain preset value according to the interval of the time that finishes of word before in the lyrics and the start time of rear word; The long punctuate rule of sentence can also be comprised, as added branch marker when a line length is greater than a certain preset value.Branch marker adds the combination that rule also can be several rules above-mentioned.
Pitch modular converter 23 will be converted to the lyrics pitch information of decimal representation with the lyrics pitch information of hexadecimal representation in the first information, because with the lyrics pitch information of the perfect pitch information of the lyrics of decimal representation compared with hexadecimal representation original in midi format, more contribute to comparing with the pitch information received in practical application and judging pitch whether standard.
The temporal information represented with MIDI time format is converted to the temporal information that absolute duration form shfft shows by time modular converter 22, this is because song MIDI file is a kind of e-file, it only provides the relative position of the duration shared by each note at Quan Quzhong and relative length, this temporal information presentation format does not meet the demand singing evaluating standard document presentation, so need to be converted into " second, millisecond " etc. standard time format represent, and starting point and the end point absolute position on a timeline of each note are provided, more be conducive to the real process singing evaluation and test.Particularly, the time span that " tempo " field record in MIDI file in header information has a crotchet to occupy, the tick number (tick is chronomere minimum in midi format file) that " format " field record crotchet comprises, can obtain the time span that a tick represents, just can convert the temporal information obtaining representing with standard time format such as " second, milliseconds ".
Present embodiment is mainly set forth and is sung evaluating standard file producing device from the MIDI file of subsidiary lyrics text message, obtain the first information (comprising the corresponding relation of lyrics pitch information, lyrics text message, lyrics pitch information and temporal information and the corresponding relation of lyrics text message and lyrics pitch information), and sets up the mode singing evaluating standard file according to the first information.Described evaluating standard file of singing is in fact a kind of music subtitle file with the lyrics, pitch and temporal information, can when playback of songs simultaneous display, comprising the lyrics and pitch information can be presented in each play time according to temporally precise; For evaluating and testing singer to the performance of a certain song whether standard, whether the note pitch comprising each word in evaluation and test every lyrics sings standard, whether note duration sings foot, the lyrics is whether sung and to enunciate whether standard and sing whether accurately meet beat to, Chinese speech pronunciation.
Described evaluating standard file of singing generally includes following information:
1, title of the song information, namely what the song title of this song is;
2, channel information, indicates that this song includes the lyrics of several passage, pitch and temporal information;
3, which the row lyrics, pitch and temporal information is row information, have in certain passage of this song;
4, lyrics information, indicate what these lyrics are, the inside includes which pitch and temporal information;
5, pitch information, indicates that perfect pitch value is how many, and the temporal information of its correspondence;
6, temporal information, shows with absolute duration, represents the time as used the International System of Units such as hour, minute, second, millisecond.
Such as, the following partial content singing evaluating standard file for song " east wind breaks ":
<title> east wind breaks </title> (this song " east wind breaks " by name)
<metachannel=" 2 "/> (this song includes the lyrics of two passages, pitch and temporal information)
<channelnum=" 1 " > (this indicates the lyrics of first passage, pitch and temporal information)
<linenum=" 1 " > (indicating the lyrics of the first row, pitch and temporal information)
<lrcnm=" one " yun=" i " > (this is the first row first lyrics " ", and its simple or compound vowel of a Chinese syllable is " i ", includes two pitches and temporal information)
<metaoff=" 13.475 " on=" 13.424 " pi=" 67 " vol=" 100 "/> (pitch value indicating first sound of the lyrics " " is 67, and the time was maintained to 13.475 seconds from 13.424 seconds)
<metaoff=" 13.707 " on=" 13.475 " pi=" 69 " vol=" 100 "/> (pitch value indicating second sound of the lyrics " " is 69, and the time was maintained to 13.707 seconds from 13.475 seconds)
The </lrc> end mark of a word (in the lyrics)
<lrcnm=" small cup " yun=" an " > (second lyrics information)
<metaoff＝"14.121"on＝"13.808"pi＝"67"vol＝"100"/>
</lrc>
……
</line> (end mark of a line)
……
The working method singing evaluating standard file producing device described in fifth embodiment of the invention is as follows:
Information acquisition unit 1 obtains the first information of song, the described first information comprises the corresponding relation of lyrics pitch information, lyrics text message, lyrics pitch information and temporal information and the corresponding relation of lyrics text message and lyrics pitch information, the corresponding relation of described lyrics pitch information and temporal information is obtained from song MIDI file, and the corresponding relation of described lyrics text message and lyrics pitch information is obtained from song music score of Chinese operas file; The music score of Chinese operas file of song is a kind of general file, obtains one of mode of lyrics text message, lyrics pitch information and the corresponding relation of the two and be artificial judgment and gather above-mentioned information from music score of Chinese operas file.
Conversion processing unit 2 obtains singing evaluating standard file as conversion process to the described first information, and described conversion process comprises:
Branch's module 21 obtains branch location information from the LRC form lyrics file of song, and makes a point row relax according to described branch location information to lyrics text message;
Such as, the LRC lyrics of song " liking just to have liked " are as follows:
[00:32.81] he cut new hair
[00:37.85] phone has also changed number
How [00:41.82] asks is not answered
[00:47.22] calls it quits
Can find out, the beginning of often going marks all if having time, can reach distinguish the capable object of the lyrics with this, and Here it is from the LRC form lyrics file of song obtains the major way of branch location information.
Time modular converter 22 obtains song format information basic time from the file header of song MIDI file, and the temporal information represented with MIDI time format is converted to according to described song format information basic time the temporal information that absolute duration form shfft shows;
Pitch modular converter 23 will be converted to the lyrics pitch information of decimal representation with the lyrics pitch information of hexadecimal representation in the first information;
Simple or compound vowel of a Chinese syllable adds module 24 and resolves lyrics text message to obtain the simple or compound vowel of a Chinese syllable information of the lyrics according to the corresponding relation of Chinese character and Chinese character simple or compound vowel of a Chinese syllable, and described simple or compound vowel of a Chinese syllable information is added into and sings evaluating standard file.
In fact, described in sing evaluating standard file producing device and also comprise a MIDI file pretreatment unit, for checking whether MIDI file exists mistake or omit part, if any, the mistake existed being repaired or omission part is supplemented.
Pitch modular converter 23 will be converted to the lyrics pitch information of decimal representation with the lyrics pitch information of hexadecimal representation in the first information, because when the accuracy in pitch that actual analysis singer sings or pitch, result given by software is normally metric, so with the lyrics pitch information of the perfect pitch information of the lyrics of decimal representation compared with hexadecimal representation original in midi format, more contribute to the calculating in practical application and display, for the decimal system pitch information be convenient to receive to be compared also unified for the pitch form sung in evaluating standard file and to judge pitch whether standard.
The temporal information represented with MIDI time format is converted to the temporal information that absolute duration form shfft shows by time modular converter 22, this is because song MIDI file is a kind of e-file, it only provides the relative position of the duration shared by each note at Quan Quzhong and relative length, this temporal information presentation format does not meet the demand singing evaluating standard document presentation, and be converted into " second, millisecond " etc. standard time format represent, and after the starting point that each note is provided and end point absolute position on a timeline, even if same person is sung same song and all can be obtained more stable mark under different time and different environment, consistance and the versatility of singing evaluation and test can be improved, more be conducive to the real process singing evaluation and test.
Present embodiment is mainly set forth and is never attached in the MIDI file of lyrics text message and song music score of Chinese operas file obtain the first information (comprising the corresponding relation of lyrics pitch information, lyrics text message, lyrics pitch information and temporal information and the corresponding relation of lyrics text message and lyrics pitch information) to singing evaluating standard file producing device, and sings the process of evaluating standard file according to first information foundation.
The working method singing evaluating standard file producing device described in sixth embodiment of the invention is as follows:
Information acquisition unit 1 obtains the corresponding relation of lyrics text message and lyrics text message and lyrics pitch information from song music score of Chinese operas file;
Described lyrics text message is added into song MIDI file by conversion processing unit 2, and the lyrics text message then in branch's module 21 pairs of song MIDI files adds branch marker;
Information acquisition unit 1 obtains the first information of song from song MIDI file, and the described first information comprises the corresponding relation of lyrics pitch information, lyrics text message, lyrics pitch information and temporal information and the corresponding relation of lyrics text message and lyrics pitch information;
Conversion processing unit 2 obtains singing evaluating standard file as conversion process to the described first information, and described conversion process comprises:
Branch's module 21 makes a point row relax according to branch marker to lyrics text message;
Time modular converter 22 obtains song format information basic time from the file header of song MIDI file, and the temporal information represented with MIDI time format is converted to according to described song format information basic time the temporal information that absolute duration form shfft shows;
Pitch modular converter 23 will be converted to the lyrics pitch information of decimal representation with the lyrics pitch information of hexadecimal representation in the first information;
Simple or compound vowel of a Chinese syllable adds module 24 and resolves lyrics text message to obtain the simple or compound vowel of a Chinese syllable information of the lyrics according to the corresponding relation of Chinese character and Chinese character simple or compound vowel of a Chinese syllable, and described simple or compound vowel of a Chinese syllable information is added into and sings evaluating standard file.
In fact, described in sing evaluating standard file producing device and also comprise a MIDI file pretreatment unit, for checking whether MIDI file exists mistake or omit part, if any, the mistake existed being repaired or omission part is supplemented.
Branch's module 21 pairs of MIDI files add branch marker, and so, the song MIDI file including branch marker can be resolved these marks easily and mark automatic branch according to these in subsequent transition procedure.Add branch marker can be ", ", "/" or " | " etc. for the mark identified, can, by adding manually, also can be add rule according to the branch marker preset and add.The branch marker preset adds rule and can comprise: semantics recognition punctuate rule, as added branch marker in the place can made pauses in reading unpunctuated ancient writings according to Semantic judgement; Time identifies punctuate rule, as added branch marker when being greater than a certain preset value according to the interval of the time that finishes of word before in the lyrics and the start time of rear word; The long punctuate rule of sentence can also be comprised, as added branch marker when a line length is greater than a certain preset value.Branch marker adds the combination that rule also can be several rules above-mentioned.
Pitch modular converter 23 will be converted to the lyrics pitch information of decimal representation with the lyrics pitch information of hexadecimal representation in the first information, because with the lyrics pitch information of the perfect pitch information of the lyrics of decimal representation compared with hexadecimal representation original in midi format, more contribute to comparing with the pitch information received in practical application and judging pitch whether standard.
The temporal information represented with MIDI time format is converted to the temporal information that absolute duration form shfft shows by time modular converter 22, this is because song MIDI file is a kind of e-file, it only provides the relative position of the duration shared by each note at Quan Quzhong and relative length, this temporal information presentation format does not meet the demand singing evaluating standard document presentation, so need to be converted into " second, millisecond " etc. standard time format represent, and starting point and the end point absolute position on a timeline of each note are provided, more be conducive to the real process singing evaluation and test.
Present embodiment is mainly set forth and is never attached in the MIDI file of lyrics text message and song music score of Chinese operas file obtain the first information (comprising the corresponding relation of lyrics pitch information, lyrics text message, lyrics pitch information and temporal information and the corresponding relation of lyrics text message and lyrics pitch information) to singing evaluating standard file producing device, and sings the process of evaluating standard file according to first information foundation.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or terminal device and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or terminal device.When not more restrictions, the key element limited by statement " comprising ... " or " comprising ... ", and be not precluded within process, method, article or the terminal device comprising described key element and also there is other key element.In addition, in this article, " be greater than ", " being less than ", " exceeding " etc. be interpreted as and do not comprise this number; " more than ", " below ", " within " etc. be interpreted as and comprise this number.
Those skilled in the art should understand, the various embodiments described above can be provided as method, device or computer program.These embodiments can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.The hardware that all or part of step in the method that the various embodiments described above relate to can carry out instruction relevant by program has come, described program can be stored in the storage medium that computer equipment can read, for performing all or part of step described in the various embodiments described above method.Described computer equipment, includes but not limited to: personal computer, server, multi-purpose computer, special purpose computer, the network equipment, embedded device, programmable device, intelligent mobile terminal, intelligent home device, wearable intelligent equipment, vehicle intelligent equipment etc.; Described storage medium, includes but not limited to: the storage of RAM, ROM, magnetic disc, tape, CD, flash memory, USB flash disk, portable hard drive, storage card, memory stick, the webserver, network cloud storage etc.
The various embodiments described above describe with reference to the process flow diagram of method, equipment (system) and computer program according to embodiment and/or block scheme.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or square frame.These computer program instructions can being provided to the processor of computer equipment to produce a machine, making the instruction performed by the processor of computer equipment produce device for realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer equipment readable memory that works in a specific way of vectoring computer equipment, the instruction making to be stored in this computer equipment readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be loaded on computer equipment, make to perform sequence of operations step on a computing device to produce computer implemented process, thus the instruction performed on a computing device is provided for the step realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
Although be described the various embodiments described above; but those skilled in the art are once obtain the basic creative concept of cicada; then can make other change and amendment to these embodiments; so the foregoing is only embodiments of the invention; not thereby scope of patent protection of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included within scope of patent protection of the present invention.
Claims (12)
1. sing an evaluating standard documenting method, it is characterized in that, comprise step:
Obtain the first information of song, the described first information comprises the corresponding relation of lyrics pitch information, lyrics text message, lyrics pitch information and temporal information and the corresponding relation of lyrics text message and lyrics pitch information, the corresponding relation of described lyrics pitch information and temporal information is obtained from song MIDI file, and the corresponding relation of described lyrics text message and lyrics pitch information is obtained from song MIDI file or song music score of Chinese operas file;
Obtain singing evaluating standard file as conversion process to the described first information, described conversion process comprises:
A point row relax is done to lyrics text message, and the temporal information represented with MIDI time format is converted to the temporal information that absolute duration form shfft shows.
2. sing evaluating standard documenting method as claimed in claim 1, it is characterized in that, when the corresponding relation of lyrics text message and lyrics pitch information is obtained from song music score of Chinese operas file, before step " obtains the first information of song ", also comprise step:
From song music score of Chinese operas file, obtain the corresponding relation of lyrics text message and lyrics pitch information, and utilize the corresponding relation of song MIDI file and described lyrics text message and lyrics pitch information to generate the song MIDI file being with the lyrics; And
Described " obtaining the first information of song " specifically comprises: the first information obtaining song from the song MIDI file of the band lyrics.
3. sing evaluating standard documenting method as claimed in claim 1 or 2, it is characterized in that, described conversion process also comprises:
The lyrics pitch information of decimal representation will be converted to the lyrics pitch information of hexadecimal representation in the first information.
4. sing evaluating standard documenting method as claimed in claim 1 or 2, it is characterized in that, described conversion operations also comprises:
Corresponding relation according to Chinese character and Chinese character simple or compound vowel of a Chinese syllable resolves lyrics text message to obtain the simple or compound vowel of a Chinese syllable information of the lyrics, and described simple or compound vowel of a Chinese syllable information is added into and sings evaluating standard file.
5. sing evaluating standard documenting method as claimed in claim 1 or 2, it is characterized in that, described " making a point row relax to lyrics text message " specifically comprises:
Make a point row relax according to branch marker to lyrics text message, described branch marker is marked in song MIDI file through a branch marker pre-treatment step; Or
Obtain branch location information from the LRC form lyrics file of song, and according to described branch location information, a point row relax is done to lyrics text message.
6. sing evaluating standard documenting method as claimed in claim 1 or 2, it is characterized in that, described " temporal information represented with MIDI time format being converted to the temporal information shown with absolute duration form shfft " specifically comprises:
From the file header of song MIDI file, obtain song format information basic time, and the temporal information represented with MIDI time format is converted to according to described song format information basic time the temporal information that absolute duration form shfft shows.
7. sing an evaluating standard file producing device, it is characterized in that, comprise information acquisition unit and conversion processing unit;
Described information acquisition unit is for obtaining the first information of song, the described first information comprises the corresponding relation of lyrics pitch information, lyrics text message, lyrics pitch information and temporal information and the corresponding relation of lyrics text message and lyrics pitch information, the corresponding relation of described lyrics pitch information and temporal information is obtained from song MIDI file, and the corresponding relation of described lyrics text message and lyrics pitch information is obtained from song MIDI file or song music score of Chinese operas file;
Described conversion processing unit is used for obtaining singing evaluating standard file as conversion process to the described first information, and described conversion processing unit comprises branch's module and time modular converter;
Described branch module is used for making a point row relax to lyrics text message;
The temporal information that described time modular converter shows for the temporal information represented with MIDI time format being converted to absolute duration form shfft.
8. sing evaluating standard file producing device as claimed in claim 7, it is characterized in that, when the corresponding relation of lyrics text message and lyrics pitch information is obtained from song music score of Chinese operas file, described information acquisition unit obtains the corresponding relation of lyrics text message and lyrics pitch information from song music score of Chinese operas file, and utilizes the corresponding relation of song MIDI file and described lyrics text message and lyrics pitch information to generate the song MIDI file being with the lyrics; And described " obtaining the first information of song " specifically comprises: the first information obtaining song from the song MIDI file of the band lyrics.
9. sing evaluating standard file producing device as claimed in claim 7 or 8, it is characterized in that, described conversion processing unit also comprises pitch modular converter, for the lyrics pitch information by being converted into decimal representation in the first information with the lyrics pitch information of hexadecimal representation.
10. sing evaluating standard file producing device as claimed in claim 7 or 8, it is characterized in that, described conversion processing unit also comprises simple or compound vowel of a Chinese syllable and adds module, for resolving lyrics text message according to the corresponding relation of Chinese character and Chinese character simple or compound vowel of a Chinese syllable to obtain the simple or compound vowel of a Chinese syllable information of the lyrics, and described simple or compound vowel of a Chinese syllable information is added into sings evaluating standard file.
11. sing evaluating standard file producing device as claimed in claim 7 or 8, it is characterized in that, described branch module is used for making a point row relax to lyrics text message and specifically comprises:
Make a point row relax according to branch marker to lyrics text message, described branch marker is marked in song MIDI file through a branch marker pre-treatment step; Or
Obtain branch location information from the LRC form lyrics file of song, and according to described branch location information, a point row relax is done to lyrics text message.
12. sing evaluating standard file producing device as claimed in claim 7 or 8, it is characterized in that, time modular converter is used for the temporal information represented with MIDI time format to be converted to the temporal information that absolute duration form shfft shows and specifically comprises:
From the file header of song MIDI file, obtain song format information basic time, and the temporal information represented with MIDI time format is converted into according to described song format information basic time the temporal information that absolute duration form shfft shows.
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