CN1786964A - Music data structure,terminal device and music replaying method - Google Patents
Music data structure,terminal device and music replaying method Download PDFInfo
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- CN1786964A CN1786964A CNA2005101314223A CN200510131422A CN1786964A CN 1786964 A CN1786964 A CN 1786964A CN A2005101314223 A CNA2005101314223 A CN A2005101314223A CN 200510131422 A CN200510131422 A CN 200510131422A CN 1786964 A CN1786964 A CN 1786964A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72442—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for playing music files
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72406—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by software upgrading or downloading
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- Computer Networks & Wireless Communication (AREA)
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- Multimedia (AREA)
- Telephonic Communication Services (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
- Electrophonic Musical Instruments (AREA)
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Abstract
The invention provides a structure of the musical piece data used in terminal equipment with a function to reproduce a musical piece and a function to connect the musical piece to a network, which can store musical piece data and deliver high-quality voices at a small data size. Phonemic piece data of the musical piece related to phonemic piece data that correspond to at least one portion of a musical piece to be reproduced, and used to reproduce the musical piece is not stored in the musical piece data, instead, the information in displaying the position of the phonemic piece data of the musical piece in the network is stored in the musical piece data.
Description
Technical field
The present invention relates to a kind of in end device the technology according to music data playback melody.
Background technology
In portable terminal devices such as mobile phone, develop the technology (for example with reference to patent documentation 1) of a kind of playback sounding with the sounding data of the so various data modes (form) such as sounding data of continuous data or ADPCM (adaptive differential pulse code modulation) data.To be stored in advance in the portable terminal device of mobile phone with the music data that this data mode is recorded and narrated, or download music data and be stored in music data by communication line and join on the telecommunications services device, utilize this music data then, can be on portable terminal devices such as mobile phone, the melodies such as so-called input tune of resetting.
Patent documentation 1: the spy opens the 2002-099541 communique
When utilizing portable terminal device to reset the sounding data of above-mentioned form, in order to reset, must be in advance with the sounding data storage on portable terminal device.When the data volume of these sounding data is very big, big quantity intactly need be stored or downloaded.Therefore, in the carried terminal of the natural resources shortages such as transmission speed of the memory capacity of storer and data communication, this sounding data consumes ample resources, thereby have the problem of inadequate resource.In addition, in the environment of this resource-constrained, owing to can data quantity transmitted be restricted, be difficult to the high-quality melody of resetting, can not meet the expectation user's the problem of requirement of high-qualityization of playback melody of the supplier who receives contents such as tune so also exist.
Summary of the invention
In view of the foregoing, propose the present invention, the purpose of this invention is to provide and a kind ofly can store high-quality melody and join the music data structure of the novelty of letter with small data quantity.Another object of the present invention provides a kind of by using the music data playback melody of this structure, can use the storer of low capacity to receive the end device that high-quality music data is joined letter.In addition, another object of the present invention provides a kind of by using the music data playback melody of this structure, can use the storer of low capacity to receive the music replaying method that high-quality music data is joined letter and reset.
In order to address the above problem, the invention provides a kind of music data structure of in the end device of function with playback melody and the function that links to each other with communication network, using of being suitable for, it is characterized in that: in this music data, do not preserve relevant with the pairing melody of at least a portion unit of the melody of waiting to reset, be used to the melody cell data of resetting this melody unit, replace, in this music data, preserve the place information that shows this position of melody cell data on described communication network.
According to the present invention, in music data, preserve and be used for the melody cell data reset in the melody unit, replace, in this music data, preserve the place information that shows this position of melody cell data on above-mentioned communication network.Thereby, can reduce the data volume of music data, be suitable in the limited Miniature Terminal device of memory capacity (for example portable mobile terminal), using.And, since the melody cell data itself in music replaying, used also can be at every turn position from the communication network obtain locally, also can form the bigger high-quality music data of data volume, and can carry out high-quality music replaying.Therefore, be suitable for the high-quality melody of in the limited Miniature Terminal device of memory capacity (for example portable mobile terminal), resetting.
In a preferred embodiment, described music data has the structure that is made of a plurality of channels; Described place information is included in the described music data with the configuration mode corresponding with the time of the channel of the described melody unit of should resetting and the described melody unit of should resetting
In another preferred embodiment, above-mentioned place information comprises the server name of the server that stores above-mentioned melody cell data and the filename of this melody cell data.
And, end device of the present invention is a kind of end device with function with the function that links to each other with communication network of playback melody, it comprises: the 1st memory storage that is used to store music data, in this music data, do not preserve relevant with the pairing melody of at least a portion unit of the melody of waiting to reset, be used to the melody cell data of resetting this melody unit, replace, in this music data, preserve the place information that shows this position of melody cell data on described communication network; From the shown described position of described place information, obtain the communicator of at least a portion of described melody cell data by this communication network; Be used to store the 2nd memory storage of the melody cell data of obtaining by described communicator; And the music replaying device of the melody cell data playback melody stored of the music data of storing according to described the 1st memory storage and described the 2nd memory storage.
In a preferred embodiment, this end device also comprises updating device, this updating device is controlled described communicator and the 2nd memory storage, so that the part storage of the described melody cell data that the new portion that utilizes this melody cell data along with described music replaying device playback melody finishes to the playback in described the 2nd memory storage is upgraded.Described updating device preferably includes: to the supervising device that the capacity of dummy section is monitored, described dummy section comprises the zone of the melody cell data that the playback that is used for storing described the 2nd memory storage finishes; With the downloading request device, described downloading request device is when the capacity of the dummy section of being monitored by described supervising device satisfies predetermined condition, generation is used to indicate the downloading request of the new portion that obtains described melody cell data, by described communicator the described position on the described communication network is sent this downloading request.
In another preferred embodiment, can pass through described communicator, between the arbitrary node on described the 1st memory storage and the described communication network, send or receive any music data.
In the above-described embodiments, above-mentioned end device is portable end device.
Music replaying method of the present invention is a kind of in the end device of function with playback melody and the function that is connected with communication network, by the performed music replaying method of computer installation, described end device has the storer that is used to store music data, do not preserve relevant in the described music data with the pairing melody of at least a portion unit of the melody of waiting to reset, be used for the melody cell data reset in this melody unit, replace, preserve the place information that shows this position of melody cell data on described communication network, described music replaying method comprises the steps: to carry out the step of music replaying control, comprises the step that reads the music data of the melody of should resetting from described storer; When resetting described melody, before the time of described melody unit of should resetting,, obtain the step of at least a portion of described melody cell data from described music data by the shown described position of described place information that this communication network is comprised; To be kept at the step in the storage area of regulation by the melody cell data that described communication network obtained; Along with described music replaying control, read the melody cell data of being preserved in the described storage area in the time of the described melody unit of should resetting, emit the step of music according to the melody cell data that is read; And the new portion that obtains this melody cell data by described communication network, and the new portion of this melody cell data of being obtained is kept in the storage area of described regulation, so that the part of the described melody cell data that the new portion that utilizes this melody cell data finishes to reading in the described storage area is carried out updating steps.According to the present invention, can also provide a kind of storage medium that makes computing machine carry out the program of music replaying method that is used to store.
Description of drawings
Fig. 1 is the block diagram that the melody in expression one embodiment of the invention is joined the structure of communication system 1;
Fig. 2 is the block diagram of the hardware configuration of expression portable terminal device 50;
Fig. 3 is the block diagram of the structure of expression sound source portion 100;
Fig. 4 is the figure of the music data D1 structure of the same embodiment of expression;
Fig. 5 is the block diagram that the hardware configuration of telecommunications services device 10 is joined in expression;
Fig. 6 is the process flow diagram that the expression melody is joined the action of communication system 1;
Fig. 7 is the figure that the method for supervising to the residual capacity of storage area M1 describes.
Embodiment
Hereinafter with reference to the accompanying drawings one embodiment of the invention is described.
1. structure
Fig. 1 is the block diagram that the melody of expression one embodiment of the invention is joined the structure of communication system 1.Distribution server 10 has the database D B1 that has stored audio data streams such as mp3 data.Distribution server 10 can communicate by networks such as internet 70 and other machines.Join telecommunications services device 20 and have database D B2, have and distribution server 10 identical functions.Mobile phone, PDA portable terminal devices 50 such as (individual digital utility appliance) can communicate with other machines by base station 30, base station 40 and network 70.That is, portable terminal device 50 can be by base station 30 (or base station 40) and communication network 70 with arbitrary node, for example join telecommunications services device 10 or join telecommunications services device 20 etc. and comprise that the machine of other communication functions communicates.Portable terminal device 60 also has and portable terminal device 50 identical functions.
Fig. 2 is the block diagram of the hardware configuration of expression portable terminal device 50.CPU (CPU (central processing unit)) 51 is the operating area with RAM (random access memory) 55, reads and carry out the program that is stored in the ROM (ROM (read-only memory)) 52.And CPU51 also has the function that each composed component of portable terminal device 50 is controlled.The portable terminal device 50 of present embodiment is a mobile phone, and has by 54 pairs in acoustic processing portion and carry out analog/digital conversion by the sound that microphone collects sound, the voice data after the digital conversion is carried out the function of wireless transmission by Department of Communication Force 53.And portable terminal device 50 is received the voice data that sends by network 70 by Department of Communication Force 53.The voice data that is sent carries out the digital-to-analog conversion by acoustic processing portion 54, exports from loudspeaker as sound.And, portable terminal device 50 not only can communicate voice data by Department of Communication Force 53, and can also communicate data (content) such as the play control data of audio data streams such as mp3 data, SMF (standard instrument digital interface file) or SMAF (the removable application form of composite music) etc., Email Information, application software, these data can be sent to and join in telecommunications services device or other communicators, on the contrary also can be from joining the telecommunications services device or other communicators receive these data.These data are kept among the RAM 55.
Fig. 3 is the block diagram of the structure of expression sound source portion 100.Sound source portion 100 has the function that waveform compression data such as play control data such as SMF or SMAF and mp3 data are reset.If the indication play control data is reset, then CPU51 will be stored in play control data in the RAM55 (a part) and be fed to sound source portion 100.Read the play control data of ormal weight by I/F101 successively from the beginning of these data, and be stored in the FIFO (first-in first-out) 102 temporarily.FIFO102 can store the memory storage of play control data with limited amount, and the before play control data that writes begins to read successively these data.Sequencer 103 begins to read successively play control data from FIFO102, generates the sound source control data at any time according to the temporal information in the play control data (duration).Sequencer 103 outputs to the sound source control data that is generated in the sound source 104.Sound source 104 is according to this sound source control data output digital audio data.Voice data is converted to analoging sound signal by DAC (digital analog converter) 120, from loudspeaker 59 as voice output.In case when reading play control data that is stored in the FIFO102 and the dummy section that in FIFO102, produces the ormal weight of setting, then FIFO102 is transported to interrupt request singal (interrupt request, IRQ) among the CPU51 by not shown dedicated signal lines, requires to transmit follow-up play control data in CPU51.CPU51 is fed to the follow-up play control data of ormal weight in the FIFO102.
In case indication playback waveform compression data, then CPU51 will be stored in waveform compression data in the RAM55 (a part) and be fed to sound source portion 100.These waveform compression data read ormal weight by I/F111 successively from the beginning of these data and also are stored in the FIFO112 temporarily.FIFO112 is can be with the memory storage of limited amount stored waveform packed data, and the before waveform compression data that write begin to read successively.Waveform compression data such as 113 pairs of mp3 data of code translator, adpcm data are expanded, and are converted to Wave data (digital audio data).Wave data behind code translator 113 output transforms.Wave data is transformed to analoging sound signal by DAC120, exports from loudspeaker 59 as sound.In case read waveform compression data that are stored in the FIFO112 and the dummy section that in FIFO112, produces the ormal weight of setting, then FIFO112 sends to interrupt request singal (IRQ) among the CPU51 by not shown dedicated signal lines, requires to transmit the waveform subsequent packed data in CPU51.CPU51 is fed to the waveform subsequent packed data of ormal weight in the FIFO112.And in the present embodiment, decoding 113 has the function that can decipher the data of mp3 data and these two kinds of forms of adpcm data.In other embodiments, sound source portion 100 also can have separately mp3 code translator that the mp3 data are deciphered and the ADPCM decoder that adpcm data is deciphered.And data layout is not limited to mp3 form and ADPCM form, also can use the waveform compression data of extended formattings such as wma form.And sound source portion 100 at this moment must have the code translator that is adapted to employed data layout.
As mentioned above, sound source portion 100 these 2 playback systems of disposal system (I/F111, FIFO112, code translator 113) of having disposal system (I/F101, FIFO102, sequencer 103, sound source 104) that play control data is reset, waveform compression data such as mp3 data being reset.Play control data and waveform compression data are handled by each self-corresponding playback system, generate digital audio.Carry out additional calculation at these 2 voice datas that playback system produced by totalizer 105, carry out synchronously from loudspeaker 59 as voice output.
Fig. 4 is the figure of structure of the music data D1 of expression present embodiment.Melody D1 adopts the form that is made of these 5 parts (channel) of the 1st～the 5th part.The data of various piece are to have duration data and the right sequence data of event data.The duration data corresponding with certain event data are expression data from the duration (time) in the moment to the moment that this incident begins that last 1 incident begins.Event data is the data of expression for the control content of sound source portion 100 output devices such as grade.In Fig. 4, part 1, the 3rd part, the 5th part are MIDI (electronic musical instrument digital interface) data that have as the midi event of event data.Part 2 is the embedding voice data that has as the sounding data of the ADPCM form of event data.And part 4 has demonstration as the data (URL incident) of the URL (uniform resource locator) of the memory location of the audio data streams such as voice data of the mp3 form of event data with as duration data presentation should begin the to reset data in the moment of this audio data stream.The URL incident for example comprises the filename that " http://aaa.bbb.co.jp/sing-1.mp3 " etc. joins telecommunications services device name and join the letter object.Portable terminal device 50 is downloaded by specified the joining the specified data of telecommunications services device (audio data stream) and reset of this URL incident.
Fig. 5 is the block diagram that the hardware configuration of telecommunications services device 10 is joined in expression.Joining telecommunications services device 10 is the computer installations with CPU11, ROM12, RAM13, I/F14, input part 15, display part 16, storage part 17.Storage part 17 is made of memory storages such as HDD, stores the database D B1 that has write down audio data streams such as above-mentioned mp3 form voice data.Join telecommunications services device 10 and link to each other, and have the download request that is received corresponding to by network 70, send the function that is stored in the audio data stream on the storage part 17 by networks 70 such as I/F14 and internets.Join telecommunications services device 20 and have the hardware configuration identical with joining telecommunications services device 10.And, be stored in the data that the audio data stream of joining in the telecommunications services device 10 is not limited to the mp3 form, also can be the data of recording and narrating with extended formattings such as ADPCM form, wma forms.
2. action
Next the action that melody is joined communication system 1 describes.
Fig. 6 is the process flow diagram that the expression melody is joined the action of communication system 1.In case indication playback music data D1 (step S101: be) in portable terminal device 50, then CPU 51 is before music data D1 resets, and whether retrieval music data D1 has URL event data (step S102).When music data D1 has the URL event data (step S103: be), CPU51 generates the downloading request of the data shown in the indication download URL event data (when having a plurality of URL event data, in the process of playback music data D1 data presented) the earliest.CPU51 will be by joining the telecommunications services device as the address shown in the URL event data, and the downloading request that is generated sends (step S104) by Department of Communication Force 53.In the present embodiment, the demonstration of URL event data is stored in the voice data flow data D2 (hereinafter mp3 data D2) that joins the mp3 form in the telecommunications services device 10.Thereby CPU51 is for the downloading request of joining telecommunications services device 10 transmission mp3 data D2.Wherein, downloading request comprises the data amount information DS1 of the data volume that shows that portable terminal device 50 can receive.In addition, these mp3 data D2 expresses the part of music data, and it is called melody partial data or melody cell data.
And when music data D1 did not have URL event data (step S103: not), CPU51 is the processing of execution in step S104 and aftermentioned step S105 not, transfers to aftermentioned step S106 and handles.
In case receive downloading request, the CPU11 that then joins telecommunications services device 10 is from database D B1 retrieval mp3 data D2.In case find mp3 data D2, then CPU11 extracts mp3 data D2 out from database D B1.CPU11, extracts a part of data of mp3 data D2 out with the data volume of the specified amount of the data amount information DS1 that is comprised in the downloading request from the beginning of the mp3 data D2 that extracted out.Hereinafter a part of data among these mp3 data D2 are called melody cell data D3.
CPU11 is in the portable terminal 50 by I/F14 and network 70 with the transmission ground that the melody cell data D3 that is extracted out sends to downloading request.
In case receive melody cell data D3, then the CPU51 of portable terminal device 50 is stored in received melody cell data D3 in the RAM55.In RAM55, guarantee the storage space M1 that the melody cell data is used.CPU51 is stored in melody cell data D3 in the storage area M1.And CPU51 will show that the information of the Data Position (promptly, beginning to carry out the position of data downloaded beginning next time) that the download among the mp3 data D2 finishes is that address P3 is stored in the RAM55.In case melody cell data D3 is stored in (step S105: be) in the storage area M1, and then CPU51 outputs to melody D1 in the sound source portion 100 successively.Thereby begin to reset melody D1 (step S106).Implementation step S107～S109 under though following processing is following, the melody of can resetting continuously in these steps finishes until music replaying.
And sound source portion 100 is according to temporal information (duration), the data of various piece shown in Figure 4 of resetting successively and as voice output.About the 1st, the 3rd, the 5th part, MIDI data (play control data) are fed in the FIFO102 successively the sound of resetting corresponding (musical sound) with the MIDI data of various piece.About part 2, adpcm data (compressed waveform data) is fed in the FIFO102 successively, and the corresponding with it sound of resetting.In the 4th part, in case replay position arrives the URL incident, then sound source portion 100 requires CPU51 to transmit melody cell data D3.CPU51 exports melody cell data D3 from storage area M1 successively according to this requirement to sound source portion 100.Because melody cell data D3 is the compressed waveform data of mp3 form, so in sound source portion 100, reset by the playback system (I/F111, FIFO112, code translator 113) of compressed waveform data.Like this, reset and melody cell data D3 corresponding audio data stream.Melody cell data D3 supplies successively corresponding to the memory capacity of the FIFO112 of sound source portion 100.At this, CPU51 monitors the residual capacity of storage area M1.
Fig. 7 is the figure that the method for supervising to the residual capacity of storage area M1 describes.CPU51 is stored in (Fig. 7 (a)) in the RAM55 with the end address (hereinafter being called address P2) that does not output to the beginning address (hereinafter being called address P1) of the data of sound source portion 100 among the storage area M1 as yet and do not output to the data of sound source portion 100 as yet as variable.Address P1 can be described as reading a little of data, and address P2 can be described as writing a little of data.
D3 outputs to sound source portion 100 along with the melody cell data, and address P1 moves to the rear portion successively.Because the data from the beginning of storage area M1 to the zone (blank parts of Fig. 7 (b)) of address P1 have transmitted and have finished, so become dummy section.CPU51 at regular intervals at interval, the capacity that calculates this dummy section according to address P1 and P2 just calculates the residual capacity of storage area M1.
Describe referring again to Fig. 6, whether the residual capacity of the storage area M1 that the CPU51 monitoring is calculated surpasses predetermined value (for example value of half of the memory capacity of storage area M1) (step S107).(step S107 when residual capacity does not surpass predetermined value; Not), CPU51 does not carry out the processing of following step S108, and carries out the processing of following step S109.
(step S107 when residual capacity surpasses predetermined value; Be), then carry out the transmission (step S108) of melody cell data.Particular content is as described below.CPU51 generates the downloading request to data among the mp3 data D2, after melody cell data D3.This downloading request comprises the data amount information DS2 of the residual capacity (value of half of the memory capacity of storage area M1 just) that shows storage area M1.And it is address P3 that this downloading request also comprises information among the mp3 data D2, demonstration beginning download location.CPU51 sends to joining in the telecommunications services device 10 shown in the URL event data with the downloading request that is generated.
When receiving downloading request, the CPU11 that then joins telecommunications services device 10 from mp3 data D2, will extract (hereinafter being called melody cell data D4) out by the specified quantity data of data amount information DS2 by the specified position of address P3.CPU11 is in the portable terminal 50 with the transmission ground that the melody cell data D4 that is extracted out sends to downloading request.
When receiving melody cell data after melody cell data D3 when being melody cell data D4, then the CPU51 of portable terminal device 50 is stored in melody cell data D4 in the dummy section that the next position from address P2 among the storage area M1 begins.Shown in Fig. 7 (b), when address P2 is in the end position of storage area M1, then melody cell data D4 is stored (Fig. 7 (c)) from the beginning of storage area M1.At this moment, CPU51 upgrades the value that is stored in the address P3 in the RAM55.
Proceeding the playback of melody cell data D3 handles, when the spatial capacity of storage area M1 reaches predetermined value once more (Fig. 7 (d)), identical during with download melody cell data D4, CPU51 generates the downloading request to the data after melody cell data D4, from joining telecommunications services device 10 data download (melody cell data D5).Melody cell data D5 after CPU51 will download is stored in the dummy section interior (Fig. 7 (e)) of storage area M1.In case melody cell data D5 is stored in the storage area M1, then CPU51 judges whether the playback melody finishes (step S109).When finishing music replaying (step S109: be), then CPU51 finishes the action that melody is joined communication system 1.When not finishing music replaying (step S109: not), the then CPU51 processing of execution in step S107, S108 repeatedly.And as mentioned above, in step S107～S109, be not only the 4th part with URL incident, other parts also can be reset before finishing music replaying continuously.
Before the end of resetting from beginning to the end of mp3 data D2, CPU51 carries out above-mentioned processing repeatedly.The end if mp3 data D2 resets, then CPU51 waits for, other URL event datas in arriving melody cell data D1.When arriving other URL event datas, with the processing of downloading in the same manner and reset of the situation of mp3 data D2.
As mentioned above, mp3 data D2 is divided into the melody cell data corresponding to the memory capacity of storage area M1, and piecemeal is downloaded.Handle owing to during download process, carry out side by side to reset, so carried terminal 50 can make the melody mp3 data D2 that resets incessantly.And MIDI data, the adpcm data of the 1st～3, the 5th part also can be reset side by side.Thereby the portable terminal device 50 of present embodiment can be to being mixed with embedding voice datas such as play control data, ADPCM such as MIDI and resetting from the music data of the audio data stream of downloaded.
That is, under the such available resources constrained environment of mobile phone, for example accompaniment part is reset by play control data such as MIDI, and the part that is difficult to reset in play control data such as sound can be reset by the data stream from downloaded.Thus, in portable terminal device 50, can utilize the high-quality melody of Limited resources playback.
3. variation
Embodiments of the invention are not limited to the foregoing description, can carry out various distortion.
In the above-described embodiments, although understand when downloading the melody cell data, the information relevant with the residual capacity of storage area M1 sent to join telecommunications services device 10, the data of joining the amount that the telecommunications services device will be corresponding with this residual capacity send to the situation of portable terminal device 50, but the method for down loading of melody cell data is not limited thereto.For example also can download the melody cell data by following method.Portable terminal device 50 only will show that the information (address P3) of downloading the starting position sends to and join in the telecommunications services device 10.Join telecommunications services device 10 and send data from the position shown in the P3 of address.The CPU51 of portable terminal device 50 monitors the capacity of storage area M1, when storage area M1 is taken by the melody cell data, then stops requirement to joining the 10 transmission downloads of telecommunications services device.
In the above-described embodiments,, generate the downloading request of follow-up melody cell data, generate the moment of downloading request, the threshold value of spatial capacity is not limited thereto though become a half of the memory capacity of storage area M1 at the spatial capacity of storage area M1.Can be set at arbitrarily corresponding to the environment of memory capacity and telecommunication circuit storage area M1 memory capacity 1/3,1/4 etc.And, also can form CPU51 determines the spatial capacity threshold value according to the communication environment information such as speed of telecommunication circuit structure.Perhaps, also can specify the threshold value of spatial capacity by the user.
In addition, in the above-described embodiment, though from the melody partial data is to extract the part of the mp3 data D2 that is equivalent to the specified data volume of data amount information the mp3 data D2 out as the melody cell data, and download successively, but be not limited thereto, when the residual capacity of storage area M1 can be stored all mp3 data D2, can extract a part of mp3 data D2 out downloads as the melody cell data, but with whole mp3 data D2 as a melody cell data, completely download and store in the storage area.
Music data is not limited to the data of form shown in the foregoing description.For example,, also can use the data of SMF form or SMAF form,, also can use other forms of data such as wma form as embedding voice data, audio data stream as play control data.And can not have play control data and embed the part of voice data, and only constitute music data by the part of URL incident.Music data also can have a plurality of URL incidents.In addition, the part of URL incident can not have the duration (or the time of duration is 0) yet, and only is made of 1 URL incident.
Claims (14)
1. structure that is suitable for the music data that uses in the end device of function with playback melody and the function that is connected with communication network is characterized in that:
In this music data, do not preserve relevant with the pairing melody of at least a portion unit of the melody of waiting to reset, be used to the melody cell data of resetting this melody unit, replace, in this music data, preserve the place information that shows this position of melody cell data on described communication network.
2. music data structure as claimed in claim 1 is characterized in that:
Described music data has the structure that is made of a plurality of channels;
Described place information is included in the described music data with the configuration mode corresponding with the time of the channel of the described melody unit of should resetting and the described melody unit of should resetting.
3. music data structure as claimed in claim 1 is characterized in that:
Described place information comprises the server name of the server that is used to store described melody cell data and the filename of this melody cell data.
4. music data structure as claimed in claim 1 is characterized in that:
Preserve such performance data in described music data, described such performance data is used to reset and waits the corresponding performance of other parts of resetting melody with described, and is made of the music data form of regulation.
5. end device with function with the function that is connected with communication network of playback melody is characterized in that:
Comprise: the 1st memory storage that is used to store music data, in this music data, do not preserve relevant with the pairing melody of at least a portion unit of the melody of waiting to reset, be used to the melody cell data of resetting this melody unit, replace, in this music data, preserve the place information that shows this position of melody cell data on described communication network;
From the shown described position of described place information, obtain the communicator of at least a portion of described melody cell data by this communication network;
Be used to store the 2nd memory storage of the melody cell data of obtaining by described communicator; And
The music replaying device of the melody cell data playback melody that music data of storing according to described the 1st memory storage and described the 2nd memory storage are stored.
6. end device as claimed in claim 5 is characterized in that:
Also comprise updating device, this updating device is controlled described communicator and the 2nd memory storage, so that the part storage of the described melody cell data that the new portion that utilizes this melody cell data along with described music replaying device playback melody finishes to the playback in described the 2nd memory storage is upgraded.
7. end device as claimed in claim 6 is characterized in that: described updating device comprises:
To the supervising device that the capacity of dummy section is monitored, described dummy section comprises the zone of the melody cell data that the playback that is used for storing described the 2nd memory storage finishes; With
The downloading request device, described downloading request device is when the capacity of the dummy section of being monitored by described supervising device satisfies predetermined condition, generation is used to indicate the downloading request of the new portion that obtains described melody cell data, by described communicator the described position on the described communication network is sent this downloading request.
8. end device as claimed in claim 5 is characterized in that:
Can pass through described communicator, between the arbitrary node on described the 1st memory storage and the described communication network, send or receive any music data.
9. end device as claimed in claim 5 is characterized in that:
Described music data has the structure that is made of a plurality of channels, and described place information is included in the described music data with the configuration mode corresponding with the time of the channel of the described melody unit of should resetting and the described melody unit of should resetting.
10. end device as claimed in claim 5 is characterized in that:
Described place information comprises the server name of the server that is used to store described melody cell data and the filename of this melody cell data.
11. end device as claimed in claim 5 is characterized in that:
Preserve such performance data in described music data, described such performance data is used to reset and waits the corresponding performance of other parts of resetting melody with described, and is made of the music data form of regulation.
12. end device as claimed in claim 5 is characterized in that:
Preserve a plurality of described places information in the described music data, can be by the combination described melody cell data corresponding melody of resetting with these a plurality of places information.
13. as each described end device in the claim 5～12, it is characterized in that: described end device can carry.
14. one kind in the end device of function with playback melody and the function that is connected with communication network, by the performed music replaying method of computer installation, described end device has the storer that is used to store music data, do not preserve relevant in the described music data with the pairing melody of at least a portion unit of the melody of waiting to reset, be used for the melody cell data reset in this melody unit, replace and preserve the place information that shows this position of melody cell data on described communication network, described music replaying method comprises the steps:
Carry out the step of music replaying control, comprise the step that reads the music data of the melody of should resetting from described storer;
When resetting described melody, before the time of described melody unit of should resetting,, obtain the step of at least a portion of described melody cell data from described music data by the shown described position of described place information that this communication network is comprised;
To be kept at the step in the storage area of regulation by the melody cell data that described communication network obtained;
Along with described music replaying control, read the melody cell data of being preserved in the described storage area in the time of the described melody unit of should resetting, emit the step of music according to the melody cell data that is read; And
Obtain the new portion of this melody cell data by described communication network, and the new portion of this melody cell data of being obtained is kept in the storage area of described regulation, so that the part of the described melody cell data that the new portion that utilizes this melody cell data finishes to reading in the described storage area is carried out updating steps.
Applications Claiming Priority (3)
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| JP2004358444A JP4229058B2 (en) | 2004-12-10 | 2004-12-10 | Terminal device and recording medium |
| JP2004358444 | 2004-12-10 | ||
| JP2004-358444 | 2004-12-10 |
Publications (2)
| Publication Number | Publication Date |
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| CN1786964A true CN1786964A (en) | 2006-06-14 |
| CN100429657C CN100429657C (en) | 2008-10-29 |
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| CNB2005101314223A Expired - Fee Related CN100429657C (en) | 2004-12-10 | 2005-12-12 | Music data structure,terminal device and music replaying method |
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| Country | Link |
|---|---|
| JP (1) | JP4229058B2 (en) |
| KR (1) | KR100650462B1 (en) |
| CN (1) | CN100429657C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070298A (en) * | 2015-07-20 | 2015-11-18 | 科大讯飞股份有限公司 | Polyphonic musical instrument scoring method and device |
| CN106537929A (en) * | 2014-05-28 | 2017-03-22 | 弗劳恩霍夫应用研究促进协会 | Data processor and transport of user control data to audio decoders and renderers |
| CN108630178A (en) * | 2017-03-23 | 2018-10-09 | 卡西欧计算机株式会社 | Note generating device, musical sound generation method, recording medium and electronic musical instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8205223B2 (en) | 2000-04-12 | 2012-06-19 | Lg Electronics Inc. | Method and video device for accessing information |
| US20010052133A1 (en) | 2000-04-12 | 2001-12-13 | Lg Electronics Inc. | Apparatus and method for providing and obtaining product information through a broadcast signal |
| KR101301039B1 (en) * | 2006-10-19 | 2013-08-28 | 엘지전자 주식회사 | Method for providing contents data using a network |
| JP4872734B2 (en) * | 2007-03-16 | 2012-02-08 | ヤマハ株式会社 | Distribution apparatus and program |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3255059B2 (en) * | 1996-12-19 | 2002-02-12 | 日本電気株式会社 | Communication karaoke system |
| JP2000339345A (en) * | 1999-03-25 | 2000-12-08 | Sony Corp | Retrieval system, retrieval device, retrieval method, input device and input method |
| DE19950001A1 (en) * | 1999-10-15 | 2001-04-19 | Deutsche Telekom Mobil | Method for selection, transmission and playback of pieces of music by participants in a digital mobile communication system |
| ES2277419T3 (en) * | 1999-12-03 | 2007-07-01 | Telefonaktiebolaget Lm Ericsson (Publ) | A METHOD FOR SIMULTANEOUSLY PRODUCING AUDIO FILES ON TWO PHONES. |
| JP2002091452A (en) * | 2000-09-11 | 2002-03-27 | Nec Corp | System for distributing data and method for the same |
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2004
- 2004-12-10 JP JP2004358444A patent/JP4229058B2/en not_active Expired - Fee Related
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2005
- 2005-12-09 KR KR1020050120404A patent/KR100650462B1/en not_active IP Right Cessation
- 2005-12-12 CN CNB2005101314223A patent/CN100429657C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106537929A (en) * | 2014-05-28 | 2017-03-22 | 弗劳恩霍夫应用研究促进协会 | Data processor and transport of user control data to audio decoders and renderers |
| CN106537929B (en) * | 2014-05-28 | 2019-07-09 | 弗劳恩霍夫应用研究促进协会 | Handle method, processor and the computer readable storage medium of audio data |
| US10674228B2 (en) | 2014-05-28 | 2020-06-02 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Data processor and transport of user control data to audio decoders and renderers |
| US11381886B2 (en) | 2014-05-28 | 2022-07-05 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Data processor and transport of user control data to audio decoders and renderers |
| US11743553B2 (en) | 2014-05-28 | 2023-08-29 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Data processor and transport of user control data to audio decoders and renderers |
| CN105070298A (en) * | 2015-07-20 | 2015-11-18 | 科大讯飞股份有限公司 | Polyphonic musical instrument scoring method and device |
| CN108630178A (en) * | 2017-03-23 | 2018-10-09 | 卡西欧计算机株式会社 | Note generating device, musical sound generation method, recording medium and electronic musical instrument |
| CN108630178B (en) * | 2017-03-23 | 2023-06-16 | 卡西欧计算机株式会社 | Musical tone generating apparatus, musical tone generating method, recording medium, and electronic musical instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4229058B2 (en) | 2009-02-25 |
| KR100650462B1 (en) | 2006-11-30 |
| KR20060065544A (en) | 2006-06-14 |
| JP2006163280A (en) | 2006-06-22 |
| CN100429657C (en) | 2008-10-29 |
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