CN100399418C - Wavetable music synthesizing system - Google Patents
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- CN100399418C CN100399418C CNB031423787A CN03142378A CN100399418C CN 100399418 C CN100399418 C CN 100399418C CN B031423787 A CNB031423787 A CN B031423787A CN 03142378 A CN03142378 A CN 03142378A CN 100399418 C CN100399418 C CN 100399418C
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Abstract
The present invention relates to a music synthesis system which comprises a musical instrument database, an analysis module, a memorizer, a judgement module and a synthesis module, wherein the musical instrument database is used for storing first musical instrument data of which the kinds are preset, the analysis module is used for analyzing an input music file to obtain second musical instrument data of which the kinds are preset contained in the music file, the memorizer having a preset capacity is used for storing and synthesizing the musical instrument data needed by the music file, the judgment module is used for judging whether the sum data quantity of the second musical instrument data of which the kinds are preset is larger than the preset capacity of the memorizer, and the synthesis module is used for synthetizing a digital music signal according to the musical instrument data memorized in the memorizer. If the judgment result of the judgment module is negative, the second music data of which the kinds are preset is extracted from the music database to be memorized in the memorizer; else, the second musical instrument data of which the kinds are preset is changed into third musical instrument data of which the kinds are preset and the sum data quantity is not greater than the preset capacity of the memorizer.
Description
Technical field
The present invention relates to a kind of music synthesis system, particularly a kind of music synthesis system that is applied in the communication device.
Background technology
See also Fig. 1, Fig. 1 is the synoptic diagram of known wave table (wavetable) music synthesis system 10.Known wave table synthesis system 10 comprises a music archive storehouse 11, an analysis module 12, a music maker 14, a digital-to-analog conversion multiplying arrangement 20 and a loudspeaker 22.Known wave table music synthesis system 10 is when synthesizing a music archive 13, be to transmit music archive 13 to analysis module 12 by music archive storehouse 11, music archive 13 will be carried out note data and control command (comprises the selection of musical instrument by analysis module 12, the setting of volume and special efficacy ... or the like) acquisition, and then obtain the analysis data of relevant music archive 13.
In known wave table synthesis system, basic musical instrument data storehouse record includes 128 kinds of string rule musical instrument data and 47 kinds of percussion instrument data.In known wave table music synthesis system, generally with nonvolatile memory (Non-Volatile Memory), for example ROM (read-only memory) (Read Only Memory, ROM), deposited 128 kinds of string rule musical instruments and 47 kinds of idiophonic musical instrument data, as the musical instrument data storehouse.When needs synthesize melody, from musical instrument data storehouse 16, take out required musical instrument data 24 with synthetic melody by synthesis module 18 again.Though quality was perfect when this method can keep composite music, owing to need a large amount of memory spans, so manufacturing cost is higher usually.
Known low-cost wave table music synthesis system is to utilize to have the characteristic of similarity to a certain degree between many musical instruments, only gets the normal musical instrument data of using and is stored the required storage cost of paying when depositing 128+47 kind musical instrument data with reduction.
Please refer to Fig. 2, Fig. 2 is the synoptic diagram of a known low-cost wave table music synthesis system 30.Known low-cost wave table synthesis system 30 comprises a music archive storehouse 11, an analysis module 12, a music maker 34, a digital-to-analogue conversion and a multiplying arrangement 20 and a loudspeaker 22.The practice of known low-cost wave table synthesis system 30 is depositing M0 kind string rule musical instrument and the idiophonic musical instrument data 26 of P0 kind in the nonvolatile memory than low capacity, and stored M0 and P0 kind musical instrument are the representative musical instruments of normal use.Plant the musical instrument data storage area because of (M0+P0) plants the musical instrument data storage area much smaller than (128+47), therefore, the nonvolatile memory that is used low capacity is to reach the purpose that reduces cost.
As shown in Figure 2, known low-cost wave table synthesis system 30 is to take out earlier music archive 13 from music archive storehouse 11, is analyzed by 12 pairs of music archive 13 of analysis module and obtains one and analyze data.Comprise a storer 36, musical instrument replacing module 38 and a synthesis module 18 among the music maker 34, and after the analysis data that provided by analysis module 12 are provided, change module 38 via musical instrument and carry out musical instrument replacing program.Musical instrument is changed the matching list that module 38 records 128 kinds of strings rule musical instruments and the representative musical instrument of M0 kind, and the matching list of 47 kinds of percussion instruments and the representative musical instrument of P0 kind.And change program via musical instrument, convert the musical instrument of analyzing appointment in the data in M0 and the representative musical instrument of P0 kind musical instrument.18 of synthesis modules take out musical instrument data 26 to carry out the synthetic of music in storer 36.
In this known sound synthetic system of wave table cheaply, storer 36 is stored on the nonvolatile memory (normally ROM (read-only memory) (ROM)) with the data recording that musical instrument is changed program 38 required uses, so the musical instrument kind that can use is fixed, thereby on reality is used, often have screened because of musical instrument after, the shortcoming of musical specific property distortion.
Summary of the invention
The music synthesis system that the purpose of this invention is to provide a low-cost design is in order to carry out wave table music synthetic (wavetable audio synthesis).This system is under situation cheaply, utilizes the finite memory data, wishes make the melody characteristic be reduced to minimum because of the musical instrument kind changes the incoordination that is caused, and reaches the synthetic purpose of music.
Music synthesis system of the present invention comprises: a musical instrument data storehouse, an analysis module, a storer and a judge module.The musical instrument data storehouse is in order to store the first predetermined quantity kind musical instrument data.The music archive that analysis module is imported in order to analysis, and draw the second predetermined quantity kind musical instrument data that this music archive comprises.Storer has a predetermined volumes, in order to store the synthetic required musical instrument data of this music archive.Judge module, in order to the sum data amount of judging this second predetermined quantity kind musical instrument data whether greater than the predetermined volumes of storer.If judged result is then taken out this second predetermined quantity kind musical instrument data and is stored in this storer for not in this music data storehouse.If judged result is for being, then carry out a musical instrument and change program, this second predetermined quantity kind musical instrument data is replaced by one the 3rd predetermined quantity kind musical instrument data, the sum data amount of the 3rd predetermined quantity kind musical instrument data is not more than this predetermined volumes, and this judge module also takes out the 3rd predetermined quantity musical instrument data and is stored in this storer in this musical instrument data storehouse.As for synthesis module, then be in order to synthesize a digital music signal according to musical instrument data stored in this storer.
But the present invention owing to use the storer of low capacity, has therefore reduced the cost of using the required cost of huge storer by the musical instrument data of the synthetic required musical instrument of melody of storage access of dynamic access.Though but (for example: DRAM) unit cost is higher usually, because desired volume is less, therefore generally its storage cost is still cheap than the known technology of Fig. 2 for the storer of dynamic access.In addition, the present invention is stored in the musical instrument data in the storer, and revocable musical instrument data, therefore but, significantly improved known technology and used the low capacity nonvolatile memory (for example: the performance quality of composite music when ROM) storing fixing musical instrument data along with the required musical instrument difference of melody is chosen immediate musical instrument data.
Can be further understood by detailed description about the advantages and spirit of the present invention below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the synoptic diagram of known wave table (wavetable) music synthesis system.
Fig. 2 is the synoptic diagram of a known low-cost wave table music synthesis system.
Fig. 3 is the synoptic diagram of wave table music synthesis system 40 of the present invention.
Fig. 4 is the synoptic diagram of judge module among Fig. 3.
Fig. 5 is the synoptic diagram of an embodiment of matching module among Fig. 4.
Fig. 6 is the synoptic diagram of another embodiment of matching module among Fig. 4.
Fig. 7 is a musical instrument system of selection process flow diagram of the present invention.
The reference numerals explanation
40: wave table music synthesis system 41,49: matching list
42: change module 43,45: inferior form
44: insmod 46: matching module
47: grouping sheet 51: the music archive storehouse
53: music archive 52: analysis module
54: judge module 56: the musical instrument data storehouse
60: storer 66: synthesis module
68: digital-to-analog conversion multiplying arrangement 70: loudspeaker
Embodiment
See also Fig. 3, Fig. 3 is the synoptic diagram of wave table music synthesis system 40 of the present invention.Wave table music synthesis system 40 of the present invention comprises a music archive storehouse 51, an analysis module 52, a judge module 54, a musical instrument data storehouse 56, a storer 60, a synthesis module 66, a digital-to-analog conversion multiplying arrangement 68 and a loudspeaker 70.Illustrate stored data in the various databases of the present invention earlier at this, store many melodies in the music archive storehouse 51, then store predetermined quantity (M1+P1) in the musical instrument data storehouse 56 and plant musical instrument data, wherein comprise M1 kind rhythm instrument data and P1 kind percussion instrument data.For example, can comprise 128 kinds of rhythm instrument data and 47 kinds of percussion instrument data in the musical instrument data storehouse.Therefore and be not suitable for directly replacing musical instrument data storehouse 16 in Fig. 1 known technology in the present embodiment, musical instrument data storehouse 56 is storage devices of a high power capacity, low cost, low access speed,, and is directly used by synthesis module.
The operating process of present embodiment then is described in detail in detail.Wave table music synthesis system 40 of the present invention is first by analysis module 52, analyzes music archive 53 of 51 inputs from the music archive storehouse, plants musical instrument data and draw composite music archives 53 required predetermined quantities (M2+P2).For example, suppose to want synthetic a certain specific music archives 53 to need 8 kinds of rhythm instruments and 3 kinds of idiophonic musical instrument data, then M2 is 8, P2 is 3.
From the above, characteristics of the present invention are and can optionally select optimal musical instrument data to substitute the synthetic required musical instrument data of original wave table musical instrument along with the amount of capacity of the built-in storer of wave table synthesis system.Therefore, how selecting suitable musical instrument data is center of gravity of the present invention place.
See also Fig. 4.Judge module 54 of the present invention further comprises a matching module 46, a replacing module 42 and insmods 44.Change module 42 in order to use the replacing program of musical instrument kind during greater than the predetermined volumes of storer 60 in the musical instrument data amount of required use, to reduce data volume.Insmod 44 in order to determine required use when data volume is not more than the predetermined volumes of storer 60, carry out from outside musical instrument data storehouse 60 (M2+P2) of required use planted or (M3+P3) plant the action that musical instrument data is written into storer 60.
See also Fig. 5, Fig. 5 is the synoptic diagram of matching module 46 1 embodiment among Fig. 4, matching module 46 in the judge module 54 further comprises a matching list 41 on the implementation, musical instrument similar value in order to each musical instrument data and other kinds musical instrument data in record (M1+P1) the kind musical instrument data are compared in twos gives quantitative criteria for the similarity degree between the different musical instruments.Comprise form in the matching list 41 two times, form 43 is forms of setting up M1 * M1 at M1 kind string rule musical instrument in the musical instrument data storehouse 56.Form 45 is forms of setting up P1 * P1 at P1 kind percussion instrument.By the foundation of matching list, table look-at get final product the similarity degree between wantonly two kinds of musical instruments.For example, D0 in form 43,1 promptly represents the similarity of the musical sound of the 1st kind of musical instrument and the 2nd kind of musical instrument, D2,3 is the similarity of the musical sound of the 3rd kind of musical instrument and the 4th kind of musical instrument.Therefore, as D0,0, D1, the gap between these musical instruments of the same race of 1...... is 0.If when in order to the total amount of data of synthetic M2+P2 kind musical instrument data during greater than the predetermined volumes of storer 60, then can be according to matching list 41, (M2+P2) that find out the synthetic required use of wave table melody of desire in proper order plants a pair of musical instrument of musical instrument similar value minimum in the musical instrument data, suppose the musical instrument similar value maximum of musical instrument data M, then musical instrument data M is replaced with musical instrument data N musical instrument data N.After carrying out the replacing program, this moment, required musical instrument data further was reduced to (M3+P3) kind musical instrument data, and its total amount of data will be not more than this predetermined volumes.
Yet in above-mentioned matching list 41, when M1 and P1 were very big, form was set up and is difficult for and may takies many spaces.For example, having under 128 kinds of strings rule musical instruments and the 47 kinds of idiophonic situations, then need set up one 128 * 128 form and one 47 * 47 form.Therefore have another implementation method as follows, see also Fig. 6, Fig. 6 is the synoptic diagram of second embodiment of matching module 46 among Fig. 4.The implementation method of second embodiment is used a grouping sheet 47 and a matching list 49 that cooperates grouping sheet to use, a plurality of musical instrument data groups (M4+P4) group of gained after wherein grouping sheet 47 divides into groups according to similarity degree in order to record (M1+P1) kind musical instrument data.As shown in Figure 6, grouping sheet 47 is that M1 kind string rule musical instrument is divided into the M4 group, P1 kind percussion instrument is divided into the P4 group, m1, m2, m3...... then represent each other string rule musical instrument, on behalf of other percussion instrument, each musical instrument data group, p1, p2, p3...... then comprise multiple musical instrument data and with various musical instrument data of representing musical instrument data to represent this musical instrument data group to be comprised.That is when a required synthetic musical instrument data belonged to first G1 of musical instrument group, then direct representative musical instrument with the first musical instrument group replaced this musical instrument data.
If reduce the musical instrument kind through inquiry packets table 47 after, total amount of data is during still greater than this predetermined volumes, can see through this moment to cooperate the matching list 49 that grouping sheet uses further selection can be for the musical instrument data of replacement again.As shown in Figure 6, matching list 49 is in order to write down the musical instrument similar value that each representative musical instrument of representing musical instrument and other groups is compared in twos.Because matching list 49 only writes down the similar value in twos of the representative musical instrument of each musical instrument data group, compared to setting up the matching list that (M1+P1) plants musical instrument, on behalf of the matching list of musical instrument, this kind be easier to set up and do not take up space.For example, 128 kinds of string rule musical instruments are categorized as 30 groups in advance, 47 kinds of percussion instruments further are categorized as 10 groups,, then only need set up one 30 * 30 string rule musical instrument matching list according to this grouping sheet, and 10 * 10 percussion instrument matching list.
At this lay special stress on a bit, when searching the most alike two musical instruments of musical instrument characteristic with matching list, musical instrument M can be different to the musical instrument similar value of musical instrument N and musical instrument N to the musical instrument similar value of musical instrument M in form, this is because in sense of hearing experience, the effect of musical instrument M replacement musical instrument N is pretty good, but the effect when musical instrument N replaces musical instrument M is not necessarily good, therefore can show this elasticity in the definition of form.
Next be that example is explained present embodiment with concrete numeral.The analysis of module 52 by analysis, composite music archives 53 need 8 kinds of string rule musical instrument ma, mb, mc, md, me, mf, mg, mh, reach 3 kinds of percussion instrument pa, pb, pc.Judge module 54 will judge that (8+3) plants musical instrument data and whether surpass the predetermined volumes size that storer can provide this moment, if for denying, insmoding in the judge module 54 44 will be written into (8+3) kind musical instrument data to storer 60.Surpass the predetermined volumes size that storer provided if (8+3) plant musical instrument data, then start and change module 42 to carry out the replacing program.In judge module 54, table look-up earlier and be able to mb to go to change the musical instrument similar value of ma the highest via matching module 46, after replacing module 42 is cast out the music data of mb, (7+3) plant musical instrument data if be no more than the predetermined volumes of storer, then insmod and 44 plant musical instrument data to storer 60 by this (7+3) of musical instrument data storehouse 56 accesses, carry out the synthetic of music archive 53 in order to synthesis module 66, the string rule of mb musical instrument is then played it with the musical sound of ma musical instrument.If (7+3) plant the predetermined volumes that musical instrument data still surpasses storer, then proceed the replacing program, be not more than this predetermined volumes up to the total data material of selected musical instrument data.
See also Fig. 7, Fig. 7 is a musical instrument system of selection process flow diagram of the present invention, in conjunction with Fig. 5, comprises the following step:
Step 500: beginning.
Step 502: obtain musical instrument usage quantity (M2+P2) by analysis module 52.
Step 504: judge musical instrument data that (M2+P2) plant the required use of musical instrument whether greater than the predetermined volumes of storer 60, if judged result is for being then carry out step 506; If answer then carry out step 510 for not.
Step 506: start matching module 40, find out the most similar musical instrument and suitable substitute mode.
Step 508: start and change module 42,, repeat the judgement of step 504 again to reduce the usage quantity of musical instrument.
Step 510: start and to insmod 44, the musical instrument data 62 of required use is written in the storer 60 by musical instrument data storehouse 56,
Step 510: finish.
In sum, but the musical instrument data that the present invention synthesizes the required musical instrument of melody by the storage access of dynamic access, owing to use the storer of low capacity, so reduced the cost of using the required cost of huge storer.In addition, the present invention is stored in the musical instrument data in the storer, and revocable musical instrument data, be along with the required musical instrument difference of melody is chosen immediate musical instrument data, the use low capacity nonvolatile memory that has therefore significantly improved known technology (for example: the performance quality of composite music when ROM) storing fixing musical instrument data.
A kind of musical instrument data selective system that is applied to a music synthesizer is provided in the another embodiment of the present invention, in order to select the synthetic required musical instrument data of a music archive, this music synthesizer comprises a musical instrument data storehouse and a storer, this musical instrument data storehouse is in order to store one first predetermined quantity kind musical instrument data, this storer has a predetermined volumes, in order to store the synthetic required musical instrument data of this melody.This musical instrument data selective system comprises: an analysis module, in order to analyze this wave table melody of input, synthesize one second required predetermined quantity kind musical instrument data of this wave table melody and draw; And a judge module, in order to the sum data amount of judging this second predetermined quantity kind musical instrument data whether greater than this predetermined volumes; If judged result is then taken out this second predetermined quantity kind music data and is stored in this storer for not in this musical instrument data storehouse; If judged result is then carried out a musical instrument and is changed program for being, this second predetermined quantity kind musical instrument data is replaced by one the 3rd predetermined quantity kind musical instrument data, the sum data amount of the 3rd predetermined quantity kind musical instrument data is not more than this predetermined volumes; And take out the 3rd predetermined quantity kind music data certainly in this musical instrument data storehouse and be stored in this storer.In addition, the analysis module in this musical instrument data selective system can have and analysis module 52 identical function and structures; Judge module in this musical instrument data selective system can have and judge module 54 identical function and structures.
By the detailed description of above preferred embodiment, be to wish to know more to describe feature of the present invention and spirit, and be not to come category of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its objective is that hope can contain in the category of claim of being arranged in of various changes and tool equality institute of the present invention desire application.
Claims (18)
1. a music synthesis system synthesizes in order to carry out the wave table melody, and this system comprises:
One musical instrument data storehouse is in order to store one first predetermined quantity kind musical instrument data;
One analysis module in order to analyze a wave table melody of input, synthesizes one second required predetermined quantity kind musical instrument data of this wave table melody and draw;
One storer has a predetermined volumes, in order to store the synthetic required musical instrument data of this wave table melody;
One judge module, in order to the sum data amount of judging this second predetermined quantity kind musical instrument data whether greater than this predetermined volumes;
If judged result is then taken out this second predetermined quantity kind musical instrument data and is stored in this storer for not in this musical instrument data storehouse;
If judged result is then carried out a musical instrument and is changed program for being, this second predetermined quantity kind musical instrument data is replaced by one the 3rd predetermined quantity kind musical instrument data, the sum data amount of the 3rd predetermined quantity kind musical instrument data is to be not more than this predetermined volumes; And
Taking out the 3rd predetermined quantity kind musical instrument data in this musical instrument data storehouse is stored in this storer; And
One synthesis module is in order to synthesize a digital music signal according to musical instrument data stored in this storer.
2. music synthesis system as claimed in claim 1, wherein this judge module further comprises a matching list, in order to write down the musical instrument similar value that each musical instrument data and other kinds musical instrument data are compared in twos in this first predetermined quantity kind musical instrument data.
3. music synthesis system as claimed in claim 2, wherein this musical instrument replacing program comprises the following step:
According to this matching list, find out the highest musical instrument data of musical instrument similar value of each musical instrument data in this second predetermined quantity kind musical instrument data in proper order;
Repeat above-mentioned steps, be not more than this predetermined volumes, promptly obtain the 3rd predetermined quantity kind data up to the sum data amount of all musical instrument data.
4. music synthesis system as claimed in claim 1, wherein this judge module further comprises a grouping sheet, in order to writing down a plurality of musical instrument data group of this first predetermined quantity kind musical instrument data, each musical instrument data group comprises multiple musical instrument data and with a described musical instrument data of representing musical instrument data to represent this musical instrument data group to be comprised.
5. music synthesis system as claimed in claim 4, wherein this judge module further comprises a matching list, in order to write down the musical instrument similar value that each musical instrument data group and other musical instrument data groups compare in twos in the described musical instrument data group.
6. music synthesis system as claimed in claim 5, wherein this musical instrument replacing program comprises the following step:
According to this grouping sheet, find out the musical instrument data group that each musical instrument data is sorted out in this second predetermined quantity kind musical instrument data in proper order;
Whether the required sum data amount of representative musical instrument data of judging the musical instrument data group after this second predetermined quantity kind musical instrument data is sorted out is not more than this predetermined volumes;
If promptly obtain the 3rd predetermined quantity kind musical instrument data;
If not, then according to this matching list, find out the highest musical instrument data group of its musical instrument similar value of each musical instrument data group after this second predetermined quantity kind musical instrument data is sorted out in proper order;
Repeat step, be not more than this predetermined volumes, promptly obtain the 3rd predetermined quantity kind musical instrument data up to the sum data amount of the representative musical instrument data of all musical instrument data groups.
7. musical instrument data selective system that is applied to a music synthesizer, in order to select the synthetic required musical instrument data of a music archive, this music synthesizer comprises a musical instrument data storehouse and a storer, this musical instrument data storehouse is in order to store one first predetermined quantity kind musical instrument data, this storer has a predetermined volumes, in order to store the synthetic required musical instrument data of this melody, this system comprises:
One analysis module in order to analyze this wave table melody of input, synthesizes one second required predetermined quantity kind musical instrument data of this wave table melody and draw; And
One judge module, in order to the sum data amount of judging this second predetermined quantity kind musical instrument data whether greater than this predetermined volumes;
If judged result is then taken out this second predetermined quantity kind music data and is stored in this storer for not in this musical instrument data storehouse;
If judged result is then carried out a musical instrument and is changed program for being, this second predetermined quantity kind musical instrument data is replaced by one the 3rd predetermined quantity kind musical instrument data, the sum data amount of the 3rd predetermined quantity kind musical instrument data is not more than this predetermined volumes; And
Taking out the 3rd predetermined quantity kind music data in this musical instrument data storehouse is stored in this storer.
8. musical instrument data selective system as claimed in claim 7, wherein this judge module further comprises a matching list, in order to write down the musical instrument similar value that each musical instrument data and other kinds musical instrument data are compared in twos in this first predetermined quantity kind musical instrument data.
9. musical instrument data selective system as claimed in claim 8, wherein this musical instrument replacing program comprises the following step:
According to this matching list, find out the highest musical instrument data of musical instrument similar value of each musical instrument data in this second predetermined quantity kind musical instrument data in proper order;
Repeat above-mentioned steps, be not more than this predetermined volumes, promptly obtain the 3rd predetermined quantity kind data up to the sum data amount of all musical instrument data.
10. musical instrument data selective system as claimed in claim 7, wherein this judge module further comprises a grouping sheet, in order to writing down a plurality of musical instrument data group of this first predetermined quantity kind musical instrument data, each musical instrument data group comprises multiple musical instrument data and with a described musical instrument data of representing musical instrument data to represent this musical instrument data group to be comprised.
11. musical instrument data selective system as claimed in claim 10, wherein this judge module further comprises a matching list, in order to write down the musical instrument similar value that each musical instrument data group and other musical instrument data groups compare in twos in the described musical instrument data group.
12. musical instrument data selective system as claimed in claim 11, wherein this musical instrument replacing program comprises the following step:
According to this grouping sheet, find out the musical instrument data group that each musical instrument data is sorted out in this second predetermined quantity kind musical instrument data in proper order;
Whether the required sum data amount of representative musical instrument data of judging the musical instrument data group after this second predetermined quantity kind musical instrument data is sorted out is not more than this predetermined volumes;
If promptly obtain the 3rd predetermined quantity kind musical instrument data;
If not, then according to this matching list, find out the highest musical instrument data group of its musical instrument similar value of each musical instrument data group after this second predetermined quantity kind musical instrument data is sorted out in proper order;
Repeat step, be not more than this predetermined volumes, promptly obtain the 3rd predetermined quantity kind musical instrument data up to the sum data amount of the representative musical instrument data of all musical instrument data groups.
13. musical instrument data system of selection that is applied to a music synthesizer, in order to select the synthetic required musical instrument data of a music archive, this music synthesizer comprises a musical instrument data storehouse and a storer, this musical instrument data storehouse is in order to store one first predetermined quantity kind musical instrument data, this storer has a predetermined volumes, in order to store the synthetic required musical instrument data of this music archive, this method comprises:
Analyze this music archive, and draw synthetic one second required predetermined quantity kind musical instrument data of this music archive;
Whether the sum data amount of judging this second predetermined quantity kind musical instrument data is greater than this predetermined volumes;
If judged result is then taken out this second predetermined quantity kind music data and is stored in this storer for not in this musical instrument data storehouse;
If judged result is then carried out a musical instrument and is changed program for being, this second predetermined quantity kind musical instrument data is replaced by one the 3rd predetermined quantity kind musical instrument data, the sum data amount of the 3rd predetermined quantity kind musical instrument data is not more than this predetermined volumes; And
Taking out the 3rd predetermined quantity kind musical instrument data in this musical instrument data storehouse is stored in this storer.
14. musical instrument data system of selection as claimed in claim 13 further comprises step: provide a matching list, in order to write down the musical instrument similar value that each musical instrument data and other kinds musical instrument data are compared in twos in this first predetermined quantity kind musical instrument data.
15. musical instrument data system of selection as claimed in claim 14, wherein this musical instrument replacing program comprises the following step:
According to this matching list, find out the highest musical instrument data of musical instrument similar value of each musical instrument data in this second predetermined quantity kind musical instrument data in proper order;
Repeat above-mentioned steps, be not more than this predetermined volumes, promptly obtain the 3rd predetermined quantity kind data up to the sum data amount of all musical instrument data.
16. musical instrument data system of selection as claimed in claim 13, further comprise step: provide a grouping sheet, in order to writing down a plurality of musical instrument data group of this first predetermined quantity kind musical instrument data, each musical instrument data group comprises that plural number is planted musical instrument data and with a described musical instrument data of representing musical instrument data to represent this musical instrument data group to be comprised.
17. musical instrument data system of selection as claimed in claim 16 further comprises step: provide a matching list, in order to write down the musical instrument similar value that each musical instrument data group and other musical instrument data groups compare in twos in the described musical instrument data group.
18. musical instrument data system of selection as claimed in claim 17, wherein this musical instrument replacing program comprises the following step:
According to this grouping sheet, find out the musical instrument data group that each musical instrument data is sorted out in this second predetermined quantity kind musical instrument data in proper order;
Whether the required sum data amount of representative musical instrument data of judging the musical instrument data group after this second predetermined quantity kind musical instrument data is sorted out is not more than this predetermined volumes;
If promptly obtain the 3rd predetermined quantity kind musical instrument data;
If not, then according to this matching list, find out the highest musical instrument data group of its musical instrument similar value of each musical instrument data group after this second predetermined quantity kind musical instrument data is sorted out in proper order;
Repeat step, be not more than this predetermined volumes, promptly obtain the 3rd predetermined quantity kind musical instrument data up to the sum data amount of the representative musical instrument data of all musical instrument data groups.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB031423787A CN100399418C (en) | 2003-06-10 | 2003-06-10 | Wavetable music synthesizing system |
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| CNB031423787A CN100399418C (en) | 2003-06-10 | 2003-06-10 | Wavetable music synthesizing system |
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| CN100399418C true CN100399418C (en) | 2008-07-02 |
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| CN1085678A (en) * | 1993-03-17 | 1994-04-20 | 刘培祯 | Multi-function music generator |
| CN1243303A (en) * | 1998-07-16 | 2000-02-02 | 雅马哈株式会社 | Music composing device, music-composing method and storage medium |
| US6362409B1 (en) * | 1998-12-02 | 2002-03-26 | Imms, Inc. | Customizable software-based digital wavetable synthesizer |
| US20020143545A1 (en) * | 2001-03-27 | 2002-10-03 | Yamaha Corporation | Waveform production method and apparatus |
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2003
- 2003-06-10 CN CNB031423787A patent/CN100399418C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1085678A (en) * | 1993-03-17 | 1994-04-20 | 刘培祯 | Multi-function music generator |
| CN1243303A (en) * | 1998-07-16 | 2000-02-02 | 雅马哈株式会社 | Music composing device, music-composing method and storage medium |
| US6362409B1 (en) * | 1998-12-02 | 2002-03-26 | Imms, Inc. | Customizable software-based digital wavetable synthesizer |
| US20020143545A1 (en) * | 2001-03-27 | 2002-10-03 | Yamaha Corporation | Waveform production method and apparatus |
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| Publication number | Publication date |
|---|---|
| CN1567426A (en) | 2005-01-19 |
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