KR20090021617A - System and method for editing audio data - Google Patents

Abstract

An audio editing system is provided to make contents fitting for the taste of a user by synthesizing channel sound data manufactured by using basis sound data. An audio editing system comprises a sound source server and a user terminal. The sound source server(110) transmits channel sound data of audio data for editing in response to request for transmission about audio data for editing. The user terminal(130) is connected to the sound source server through a communication network and transmits the request for transmission and receives the channel sound data and synthesizes selected channel sound data among channel sound data and produces editing audio data.

Description

System and method for editing audio data}

The present invention relates to an audio editing system and method, and more particularly, to a system and method for selectively synthesizing at least one channel sound source data generated by automatically synthesizing at least one elementary sound source data collected for each sound source. It is about.

With the rapid development of information and communication technology, the perspective on cultural contents is also changing rapidly. In other words, it is changing from the conventional analog view to the digital view. Most cultural contents such as movies and recordings are produced using digital devices from the production stage, and the final contents (ie, movie recordings, etc.) are also provided to the end user not only in a conventional offline manner but also in an online manner.

In particular, in the case of producing audio contents such as recordings, the voices of singers and sounds from a plurality of instruments are digitized from the beginning and stored as basic source data for each sound source, and the record producer synthesizes the basic sound source data stored for each sound source and makes a final recording. Will complete. At this time, the above-described process of producing a record is all digitized, and thus, a producer can produce a record by synthesizing the basic sound source data digitized and stored through a computer or the like.

In addition, the finished record may be provided to a user offline (ie, sold) in a medium capable of recording digital information such as a CD, but at present, a method of providing wav, mp3, etc. online as an electronic file is mainly used. It is used.

On the other hand, according to the development of the cultural industry, end users who use cultural contents tend to develop their own contents simply by appreciating the completed contents and to own their own contents. In particular, as mobile phones become a universal means of life, users tend to develop mobile phones with their own unique contents by developing from time to time to change the contents of mobile phones (especially ringtones) according to the fashion or their own tastes. .

However, in the conventional method, the user can use the final record produced and provided by the record producer, for example, his or her taste, such as a record produced by synthesizing specific basic sound source data rather than the record supplied by the producer. There is a problem that can not own and create your own content to fit.

In addition, in the conventional record production method, since the record producer produces the record by manually manipulating the basic sound source data stored for each sound source, there is a problem that it takes a lot of time and money for the record production even if the artist does not require artistic creativity. have.

An object of the present invention is to provide a system for selectively synthesizing at least one channel sound source data generated by automatically synthesizing at least one elementary sound source data collected for each sound source to edit audio data.

Another object of the present invention is to provide a method of selectively synthesizing at least one channel sound source data generated by automatically synthesizing at least one elementary sound source data collected for each sound source and editing audio data.

An audio editing system according to an embodiment of the present invention for achieving the above technical problem includes a sound source server, and a user terminal. The sound source server transmits channel sound source data of the audio data to be edited in response to a request for transmission of the audio data to be edited. The user terminal is connected to the sound source server through a communication network, transmits the transmission request, receives the channel sound source data, and synthesizes selected channel sound source data among the channel sound source data to generate edited audio data.

The sound source server may include a basic sound source storage unit, a channel sound source storage unit, and a channel sound source search unit. The basic sound source storage unit stores at least one basic sound source data for each audio data. The channel sound source storage unit generates and stores at least one channel sound source data by synthesizing the basic sound source data according to the type of sound source for each audio data. The channel sound source searching unit searches for the channel sound source storage unit in response to the transmission request and transmits the channel sound source data of the audio data to be edited.

The basic sound source data may include a channel identifier indicating a type of sound source, and the channel sound source storage unit may generate the channel sound source data by synthesizing the basic sound source data having the same channel identifier.

The user terminal includes an edit audio request unit, a channel sound source selector, and an edit audio generator. The edit audio request unit transmits the transmission request. The channel sound source selection unit selects channel sound source data to be synthesized among the received channel sound source data. The edited audio generator generates the edited audio data by synthesizing the selected channel sound source data.

The user terminal may further include a sound source controller for adjusting the sound quality of the selected channel sound source data. In this case, the edited audio generator generates the edited audio data by synthesizing the channel sound source data whose sound quality is controlled.

Meanwhile, the user terminal may further include an editing audio playback unit for playing the editing audio data.

The user terminal may further include a first format converter configured to convert the format of the edited audio data to generate first converted data.

The user terminal may further include a second format converter configured to convert the format of the edited audio data or the format of the first converted data to generate second converted data.

The user terminal may further include a conversion data transmission unit for transmitting the first conversion data or the second conversion data. At this time, the audio editing system according to an embodiment of the present invention receives and stores the first converted data or the second converted data for each user of the user terminal, and the stored first converted data in response to a download request of the user. Or a download server for transmitting the second converted data to the communication terminal corresponding to the download request.

The user terminal may further include an external sound source storage unit which collects sound sources input from the outside to generate and store external sound source data. In this case, the editing audio generation unit may further synthesize the external sound source data to generate the editing audio data.

Meanwhile, the audio editing system according to the embodiment of the present invention receives and stores the edited audio data for each user of the user terminal, and when a call is requested to the communication terminal corresponding to the connection tone request in response to the connection tone request of the user. And a connection tone server broadcasting the edited audio data to the counterpart terminal requesting the call.

An audio editing system according to another embodiment of the present invention for achieving the above technical problem includes a user terminal, and an editing server. The user terminal transmits a transmission request for audio data to be edited, and transmits a selection signal for selecting channel sound source data to be synthesized among channel sound source lists transmitted in response to the transmission request. The editing server is connected to the user terminal through a communication network, and in response to the transmission request, retrieves channel sound source data of the audio data to be edited, transmits a channel sound source list, and retrieves the channel sound source data in response to the selection signal. Among them, the selected channel sound source data is synthesized to generate edited audio data.

A user terminal according to another embodiment of the present invention for achieving the above technical problem includes a channel sound source selection unit, and an editing audio generation unit. The channel sound source selection unit receives the channel sound source data transmitted in response to a transmission request for the audio data to be edited, and selects the channel sound source data to be synthesized. The editing audio generator generates the editing audio data by synthesizing the selected channel sound source data.

According to another aspect of the present invention, an audio editing apparatus includes a channel sound source searching unit and an editing audio generating unit. The channel sound source searching unit receives a transmission request for audio data to be edited, and searches for channel sound source data of the audio data to be edited and transmits a channel sound source list in response to the transmission request. The edited audio generator receives a selection list transmitted in response to the channel sound source list, and synthesizes the channel sound source data selected by the selection list to generate the edited audio data.

According to another aspect of the present invention, there is provided an audio editing method, comprising: transmitting a transmission request for audio data to be edited, and channel sound source data of the audio data to be edited in response to the transmission request. And transmitting the channel sound source data, selecting channel sound source data to be synthesized among the channel sound source data, and synthesizing the selected channel sound source data to generate edited audio data.

The channel sound source data may be generated by synthesizing at least one elementary sound source data stored for each audio data according to the type of sound source.

The basic sound source data may include a channel identifier indicating a type of sound source, and the channel sound source data may be generated by synthesizing the basic sound source data having the same channel identifier.

The generating of the edited audio data may include adjusting the sound source quality of the selected channel sound source data, and generating the edited audio data by synthesizing the channel sound source data of which the sound source quality is adjusted. .

Meanwhile, the audio editing method according to the embodiment of the present invention may further include reproducing the edited audio data.

Meanwhile, the audio editing method according to the embodiment of the present invention may further include converting a format of the edited audio data to generate first converted data.

In addition, the audio editing method according to an embodiment of the present invention may further include generating the second converted data by converting the format of the edited audio data or the format of the first converted data.

In addition, the audio editing method according to an embodiment of the present invention, transmitting the first conversion data or the second conversion data, receiving and storing the first conversion data or the second conversion data for each user, and the user The method may further include transmitting the stored first converted data or second converted data to the communication terminal corresponding to the download request in response to the download request.

The generating of the edited audio data may include: generating and storing external sound source data by collecting sound sources input from the outside; and generating the edited audio data by synthesizing the selected channel sound source data with the external sound source data. It may include a step.

On the other hand, the audio editing method according to an embodiment of the present invention, receiving and storing the edited audio data for each user, and the call is requested to the communication terminal corresponding to the connection tone request in response to the connection tone request of the user The method may further include broadcasting the edited audio data to the counterpart terminal requesting the request.

As described above, the audio editing system according to the exemplary embodiment of the present invention has an advantage of synthesizing the channel sound source data produced by using the basic sound source data to create a user's own content suitable for their taste.

In addition, the audio editing system according to an embodiment of the present invention has an advantage of reducing the time and cost required to produce audio data by automatically synthesizing the basic sound source data stored for each sound source.

DETAILED DESCRIPTION In order to fully understand the present invention, the operational advantages of the present invention, and the objects achieved by the practice of the present invention, reference should be made to the accompanying drawings which illustrate preferred embodiments of the present invention and the contents described in the drawings.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Like reference numerals in the drawings denote like elements.

Using the present invention, a user can select audio data to be edited by the user and edit audio data (for example, music data sold in a CD or mp3 format, etc.) that is normally provided according to his or her taste. . To this end, an audio editing system 100 according to an embodiment of the present invention is shown in FIG.

1 is a block diagram of an audio editing system according to an embodiment of the present invention. The audio editing system 100 according to the embodiment of the present invention includes a sound source server 110 and a user terminal 130 connected through a communication network including an arbitrary network 190, and through the communication network 190. The connection server may further include a download server 150 and / or a connection sound server 170. Hereinafter, the operation between the sound source server 110 and the user terminal 130 will be described first, and then the operation of the download server 150 and the connection sound server 170 will be further described.

The sound source server 110 transmits channel sound source data of audio data to be edited in response to a transmission request for audio data to be edited. In an embodiment of the present invention, the user may request audio data to be edited through a communication network 190 including an arbitrary network using the user terminal 130, but various inventions may be used in addition to this. will be.

The user terminal 130 is connected to the sound source server 110 through the communication network 190. The user terminal 130 transmits a transmission request for audio data requested by the user. As described above, the sound source server 110 transmits channel sound source data for the requested audio data in response to a transmission request from the user terminal 130. The user terminal 130 receives the transmitted channel sound source data. On the other hand, the user can select the desired channel sound source data from the received channel sound source data, the user terminal 130 synthesizes the selected channel sound source data to generate the edited audio data. Hereinafter, the configuration of the sound source server 110 and the user terminal 130 and operations between them will be described in detail with reference to FIGS. 2 to 7.

2 is a configuration diagram of the sound source server of FIG. 1, and FIG. 5 is a flowchart of an audio editing method according to an exemplary embodiment of the present invention. The sound source server 110 includes a basic sound source storage unit 111, a channel sound source storage unit 113, and a channel sound source search unit 115. The basic sound source storage unit 111 stores at least one basic sound source data for each audio data. Typically, audio data is produced by synthesizing a plurality of basic sound source data in various ways, and the basic sound source storage unit 111 stores the basic sound source data for each audio data.

The channel sound source storage unit 113 generates and stores at least one channel sound source data by synthesizing the basic sound source data according to the type of sound source for each audio data. The basic sound source data may be synthesized according to the type of sound source to make one channel sound source data.

For example, the channel sound source data corresponding to the vocal may be made by synthesizing the basic sound source data corresponding to the main vocal, the auxiliary vocal, the chorus, and the like, respectively. In addition, the channel sound source data corresponding to the string instrument may be made by synthesizing the basic sound source data corresponding to each of the various string instruments used. In this manner, channel sound source data corresponding to vocals, string instruments, rhythm instruments, keyboard instruments, and the like can be generated for one audio data (ie, one song), and the channel sound source data generated in this manner are classified by audio data. The channel sound source storage unit 113 is stored.

3 is a diagram illustrating an example in which basic sound source data and channel sound source data are stored, and a structure of the basic sound source data. In the embodiment of the present invention as shown in Figs. 3A and 3B, the basic sound source data BS11, BS12, ..., BS21, BS22, ..., and the channel sound source data CS11, CS12, ..., CS21. , CS22, ...) are stored separately for audio data AD1, AD2, ...).

On the other hand, in the embodiment of the present invention, the basic sound source data BS preferably includes a basic sound source, which is a part where the sound source is actually stored, and a channel identifier indicating the type of the basic sound source, and the channel identifier is the type of the sound source to which the basic sound source belongs. (For example, vocals, string instruments, rhythm instruments, keyboard instruments, etc.).

For example, the basic sound source data BS11, BS12, ... corresponding to the audio data AD1 may be a basic sound source corresponding to a vocal such as a main singer 1, a main singer 2, a main singer 3, a chorus 1, a chorus 2, and the like. It may include a basic sound source corresponding to a string instrument such as a main guitar, an auxiliary guitar, a bass guitar, a basic sound source corresponding to each rhythm instrument constituting the drum, and the basic sound source data corresponding to each basic sound source may be a basic sound source. In addition, it includes a channel identifier indicating the type of the basic sound source, that is, vocals, strings, rhythm instruments, and the like.

In this case, the channel sound source storage unit 113 may generate the channel sound source data by synthesizing the basic sound source data according to the same basic sound source data, that is, the type of the sound source (ie, vocals, string instruments, rhythm instruments, etc.). In this configuration, the operation of generating the channel sound source data may be automatically performed.

Referring back to FIG. 2, when the user terminal 130 transmits a transmission request for audio data to be edited (S510), the channel sound source searching unit 115 receives the transmission request. Thereafter, the channel sound source searching unit 115 searches for the channel sound source storage unit 113 in response to the transmission request. In other words, the channel sound source searching unit 115 finds the channel sound source data of the audio data (that is, the audio data that the user wants to edit) corresponding to the transmission request from the channel sound source storage unit 113 and transmits it to the user terminal 130 (S520). ).

4 is a configuration diagram of the user terminal of FIG. 1. The user terminal 130 includes an edited audio request unit 131, a channel sound source selector 132, and an edited audio generator 133. Meanwhile, the user terminal 130 may include a sound source controller 134, an edited audio playback unit 135, an external sound source storage unit 136, a first format converter 137, a second format converter 138, and And / or the conversion data transmission unit 139 may be further included, which will be described later.

Referring to FIG. 4, the transmission request for the audio data to be edited is transmitted from the edit audio request unit 131 to the sound source server 110. In an embodiment of the present invention, the user may select audio data to be edited in various ways. For example, the audio data may be selected by searching a list of audio data stored in the user terminal 130. After receiving the audio data list from the sound source server 110, the audio data list may be searched to select the audio data. It may be. Those skilled in the art will be able to easily implement a configuration for selecting the audio data to be edited, a detailed description thereof will be omitted.

The channel sound source selection unit 132 receives the channel sound source data transmitted from the sound source server 110 in response to the transmission request. Thereafter, the channel sound source selection unit 132 selects channel sound source data to be synthesized among the received channel sound source data according to a user's selection (S530). The configuration in which the user selects the channel sound source data may be implemented in various ways.

In an embodiment of the present invention, after displaying a list of channel sound source data received on a display device (not shown) such as an LCD connected to the user terminal 130, an input device (not shown) such as a keypad and a keyboard is used. It is preferable to use a method for the user to select the desired channel sound source data from the displayed channel sound source data.

For example, when the user requests audio data A, the display apparatus may display channel sound source data corresponding to A, channel sound source data corresponding to vocals, string instruments, rhythm instruments, keyboard instruments, etc. constituting audio data A, respectively. will be. At this time, the user can edit the audio by selecting the desired channel sound source data among the displayed channel sound source data. At this time, when the audio is to be edited using only the vocal and string instruments among the channel sound sources constituting the audio data A, the user selects the channel sound source data corresponding to the vocal and string instruments from the displayed channel sound source data.

The edited audio generator 133 synthesizes the selected channel sound source data to generate the edited audio data (S540). In an embodiment of the present invention, the edited audio data can be generated in various ways. Hereinafter, various methods of generating edited audio data will be described with reference to FIGS. 4, 6, and 7.

6 and 4 for describing an example of generating edited audio data, the user terminal 130 may further include a sound source controller 134. The sound source controller 134 adjusts the sound source quality of each of the channel sound source data selected by the user's operation (S541), and the edited audio generator 133 synthesizes and edits the channel sound source data of which the sound source quality is adjusted. It is preferable to generate audio data (S543).

For example, when a list of channel sound source data is displayed on a display device (not shown), a function of adjusting the properties of the channel sound source data, for example, volume, echo, and the like, may be additionally displayed. After the user selects the desired channel sound source data from the list, the user can adjust the properties of the selected channel sound source data using the input device. According to the user's input, the sound source controller 134 adjusts the property of the channel sound source data. do. On the other hand, those skilled in the art can easily implement a configuration for adjusting the properties of the sound source data, a detailed description thereof will be omitted.

Meanwhile, referring to FIGS. 7 and 4 for describing another example of generating edited audio data, the user terminal 130 may further include an external sound source storage unit 136. The external sound source storage unit 136 collects sound sources input from the outside to generate and store external sound source data (S542), and at this time, the edited audio generator 133 further synthesizes the external sound source data to generate edited audio data. It is preferable to carry out (S544).

For example, a user may wish to edit audio using his or her voice. In this case, when a user inputs his or her voice through a sound source input device such as a microphone, the external sound source storage unit 136 collects the input voice and generates and stores it as external sound source data. In addition, the user may select other channel sound source data other than the external sound source data and the channel sound source data corresponding to the vocal, such that the edited audio generator 133 generates the edited audio data including the user's voice.

Through the above-described configuration, the user can create edited audio data capable of producing a duet song with the singer. That is, if the requested audio data is a duet song, instead of using the channel sound source data corresponding to the vocal of one of the singer who sings duet songs, the external sound source data corresponding to the user's own voice is used. Included edited audio data can be created.

Referring back to FIG. 4, the user terminal 130 may further include an editing audio playback unit 135. The edited audio playback unit 135 plays back the edited audio data generated by the edited audio generator 133 (S550). The user may make the edited audio data more completely by confirming the sound played by the edited audio playback unit 135.

As described above, the user may edit the audio provided in the completed form in his / her own style using the audio editing system 100 according to the exemplary embodiment of the present invention. In addition, in the embodiment of the present invention, the edited audio data may be used in various forms. Hereinafter, various embodiments in which the edited audio data is used will be described.

4 and 5, the audio editing system 100 further includes a download server 150, and the user terminal 130 includes a first format converter 137 and / or a second format converter. 138, and the conversion data transmission unit 139 may be further included. The first and second format converters 137 and 138 convert the data format of the edited audio data so that the edited audio data can be used in another application. In detail, the first format converter 137 converts the format of the edited audio data to generate the first converted data (S560), and the second format converter 138 converts the format of the edited audio data or the first converted data. The second conversion data is generated by converting the format of the data (S570).

In the embodiment of the present invention, the edited audio data may be used as a ringtone. In general, in order to improve sound quality, it is preferable that the edited audio data is a window supported format such as mp3, wav, midi, or the like. For ringtone applications, the first converted data is preferably a mobile phone ringtone support format such as ma1 (4poly), ma2 (16poly), ma3 (40poly), mmf, and the second format supports a specific carrier ringtone such as ndwn. It is preferable that the format is.

That is, in the embodiment of the present invention, the first format converter 137 converts the data format of the edited audio data to generate first converted data of ma1, ma2, ma3, or mmf format. Meanwhile, the second format converter 138 converts the data format of the edited audio data or the first converted data to generate second converted data in the ndwn format.

On the other hand, in the embodiment of the present invention, by using a separate download server 150 and the conversion data transmission unit 139 for downloading the ringtone, the converted data can be used as the ringtone. The conversion data transmission unit 139 transmits the first conversion data or the second conversion data to the download server 150 (S570).

Meanwhile, the download server 150 receives and stores the first converted data and / or the second converted data for each user of the user terminal (S590). The user may download the stored first and / or second converted data to his or her user terminal using the download server 150 or transmit it to the user terminal of another user. In this case, the terminal to which the first and / or second converted data is transmitted is preferably a communication terminal, more preferably a wireless communication terminal. Hereinafter, an operation of transmitting (or downloading) the converted data to the communication terminal according to the user's download request will be described.

The user may access the download server 150 by using any terminal connected to the user terminal 130 or the communication network 190, and then request a download of the stored first and / or second converted data. In this case, the terminal requesting the download may be a user's own user terminal or a user terminal of another user.

On the other hand, the download server 150, in response to the download request of the user, the first converted data stored in the user terminal (preferably a communication terminal) corresponding to the download request, that is, the terminal is requested to download, and / or the second The converted data is transmitted (S595). Meanwhile, a person having ordinary knowledge in the art may easily implement a configuration for transmitting data to a communication terminal in response to a download request, and thus a detailed description thereof will be omitted.

FIG. 8 is a diagram illustrating another method of utilizing edited audio data, and is a flowchart illustrating a method of using edited audio data as a ring back tone. In order to use the edited audio data as the ring back tone, the audio editing system 100 may further include a ring tone server 170, and the edited audio generator 133 may convert the generated edited audio data into the ring tone server 170. You can send more.

4 and 8, when the user terminal 130 (in the embodiment of the present invention, the edit audio generator 133) transmits the generated edited audio data to the connection sound server 170, The connection sound server 170 receives and stores the edited audio data for each user (S555).

The user may use the connection tone server 170 to use the stored edited audio data as a call ring tone of his or her user terminal or as a ring tone for another user's user terminal. The user terminal is preferably a communication terminal, more preferably a wireless communication terminal. Hereinafter, the operation of using the edited audio data as the ring back tone according to the user's ring tone request will be described.

The user may access the connection sound server 170 using any terminal connected to the user terminal 130 or the communication network 190, and then request the connection sound for the stored edited audio data. At this time, the connection tone request is a request to use the edited audio data designated by the user as the call connection tone of the user terminal.

On the other hand, the ring tone server 170, in response to the user's ring tone request, if the call is requested to the user terminal (preferably a communication terminal) corresponding to the ring tone request, that is, a terminal to use the specified edit audio data as the ring back tone The edited audio data is broadcast to the requested counterpart terminal (S565).

On the other hand, those skilled in the art will be able to easily implement a configuration for broadcasting audio data to the communication terminal requesting a call in response to the connection tone request, a detailed description thereof will be omitted.

In the above description, the sound source server 110, the download server 150, and the connection sound server 170 are independently connected to the communication network 190 to operate. However, the sound source server 110, the download server 150, and the connection sound The server 170 may be integrated and operated.

On the other hand, the above has been described a configuration that is edited and applied to the entire section of the audio data to be edited, but those skilled in the art to which the present invention belongs to a particular section (for example, of the song It will be appreciated that the present invention can also be applied to a configuration in which only a chorus, etc.) is selected, edited, and applied to this part.

In addition, in the above, the operation of selecting and synthesizing the channel sound source data and converting the synthesized edited audio data is performed by the user terminal 130. However, in the present invention, the operation may be performed by various methods.

For example, in another embodiment of the present invention, the user terminal receives only information for synthesizing the channel sound source data, and the synthesis of the channel sound source data and the conversion of the synthesized edited audio data may be implemented in an editing server. have. In this case, the audio editing system according to another embodiment of the present invention includes a user terminal and an editing server.

At this time, the user terminal transmits a transmission request for audio data to be edited, and transmits a selection signal for selecting channel sound source data to be synthesized among the channel sound source lists transmitted in response to the transmission request.

On the other hand, the editing server is connected to the user terminal through a communication network, and responsive to the transmission request, the channel sound source data of the audio data to be edited is searched and transmitted to the channel sound source list, and the selected channel among the channel sound source data found in response to the selection signal is selected. Synthesize sound source data to generate edited audio data.

On the other hand, the configuration for editing audio by mutual communication between the user terminal and the sound source server (or the editing server) has been described, but in the embodiment of the present invention, the user terminal or the editing server may operate independently.

In this case, the user terminal according to another embodiment of the present invention includes a channel sound source selector, and an edited audio generator. The channel sound source selection unit receives the channel sound source data transmitted in response to a transmission request for the audio data to be edited, and selects the channel sound source data to be synthesized. The edited audio generator generates edited audio data by synthesizing the selected channel sound source data.

On the other hand, an audio editing apparatus according to another embodiment of the present invention includes a channel sound source searching unit, and an editing audio generating unit. The channel sound source search unit receives a transmission request for audio data to be edited, and searches for channel sound source data of audio data to be edited in response to the transmission request and transmits a channel sound source list. The edited audio generator receives a select list transmitted in response to the channel sound source list, and synthesizes the channel sound source data selected by the select list to generate the edited audio data.

In the above embodiments, the configuration of selecting and synthesizing the channel sound source data, and converting and applying the synthesized edited audio data is different from the embodiments described with reference to FIGS. Since the configuration is the same, using the embodiments described in Figures 1 to 8, it can be easily implemented by those of ordinary skill in the art.

Meanwhile, the above-described embodiments of the present invention can be written as a program that can be executed in a computer, and can be implemented in a general-purpose digital computer that operates the program using a computer-readable recording medium. In addition, the structure of the data used in the above-described embodiment of the present invention can be recorded on the computer-readable recording medium through various means.

The computer-readable recording medium may be a magnetic storage medium (for example, a ROM, a floppy disk, a hard disk, etc.), an optical reading medium (for example, a CD-ROM, DVD, etc.) and a carrier wave (for example, the Internet). Storage medium).

As described above, optimal embodiments have been disclosed in the drawings and the specification. Although specific terms have been used herein, they are used only for the purpose of describing the present invention and are not intended to limit the scope of the invention as defined in the claims or the claims. Therefore, those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

BRIEF DESCRIPTION OF THE DRAWINGS In order to better understand the drawings cited in the detailed description of the invention, a brief description of each drawing is provided.

1 is a block diagram of an audio editing system according to an embodiment of the present invention.

2 is a block diagram of the sound source server of FIG.

3 is a diagram illustrating an example in which basic sound source data and channel sound source data are stored, and a structure of the basic sound source data.

4 is a configuration diagram of the user terminal of FIG. 1.

5 is a flowchart of an audio editing method according to an embodiment of the present invention.

FIG. 6 is a flowchart illustrating an example of generating edited audio data in FIG. 5.

FIG. 7 is a flowchart illustrating another example of generating edited audio data in FIG. 5.

8 is a flowchart illustrating a method of using edited audio data generated according to an embodiment of the present invention as a ring back tone.

Claims (24)

A sound source server for transmitting channel sound source data of the audio data to be edited in response to a transmission request for the audio data to be edited; And And a user terminal connected to the sound source server through a communication network, transmitting the transmission request, receiving the channel sound source data, and synthesizing the selected channel sound source data among the channel sound source data to generate edited audio data. Audio editing system. The method of claim 1, wherein the sound source server, A basic sound source storage unit for storing at least one basic sound source data for each audio data; A channel sound source storage unit configured to generate and store at least one channel sound source data by synthesizing the basic sound source data according to a sound source type for each audio data; And And a channel sound source searcher for searching the channel sound source storage in response to the transmission request and transmitting channel sound source data of the audio data to be edited. The method of claim 2, The basic sound source data includes a channel identifier indicating the type of sound source, The channel sound source storage unit generates the channel sound source data by synthesizing the basic sound source data having the same channel identifier. The method of claim 1, wherein the user terminal, An editing audio request unit for transmitting the transmission request; A channel sound source selection unit for selecting channel sound source data to be synthesized among the received channel sound source data; And And an edited audio generator for synthesizing the selected channel sound source data to generate the edited audio data. The method of claim 4, wherein the user terminal, Further comprising a sound source control unit for adjusting the sound source quality of the selected channel sound source data, And the edited audio generator generates the edited audio data by synthesizing the channel sound source data whose sound quality is controlled. The method of claim 4, wherein the user terminal, And an editing audio reproducing unit for reproducing the editing audio data. The method of claim 4, wherein The user terminal further comprises a first format conversion unit for generating a first conversion data by converting the format of the edited audio data. The method of claim 7, wherein And the user terminal further comprises a second format converter configured to convert the format of the edited audio data or the format of the first converted data to generate second converted data. The method according to claim 7 or 8, The user terminal further comprises a conversion data transmission unit for transmitting the first conversion data or the second conversion data, Receives and stores the first converted data or the second converted data for each user of the user terminal, and stores the stored first converted data or the second converted data in response to the download request of the user. And an download server for transmitting to the communication terminal. The method of claim 3, wherein The user terminal further includes an external sound source storage unit for generating and storing external sound source data by collecting a sound source input from the outside, And the edited audio generator further synthesizes the external sound source data to generate the edited audio data. The method of claim 1, Receives and stores the edited audio data for each user of the user terminal, and broadcasts the edited audio data to the counterpart terminal that requested the call when a call is requested to the communication terminal corresponding to the connection tone request in response to the connection tone request of the user. Audio editing system further comprises a connection sound server. A user terminal transmitting a transmission request for audio data to be edited and transmitting a selection signal for selecting channel sound source data to be synthesized among channel sound source lists transmitted in response to the transmission request; And Connected to the user terminal through a communication network, in response to the transmission request to retrieve the channel sound source data of the audio data to be edited, and transmits the channel sound source list, selected channel among the found channel sound source data in response to the selection signal And an editing server for synthesizing the sound source data to generate the edited audio data. A channel sound source selection unit for receiving channel sound source data transmitted in response to a transmission request for audio data to be edited and selecting channel sound source data to be synthesized; And And an edited audio generator for synthesizing the selected channel sound source data to generate edited audio data. A channel sound source search unit for receiving a transmission request for audio data to be edited and retrieving channel sound source data of the audio data to be edited in response to the transmission request and transmitting a channel sound source list; And And an editing audio generation unit configured to receive a selection list transmitted in response to the channel sound source list, and to generate the edited audio data by synthesizing the channel sound source data selected by the selection list. Transmitting a transmission request for audio data to be edited; Transmitting channel sound source data of the audio data to be edited in response to the transmission request; And Receiving the channel sound source data and selecting channel sound source data to be synthesized among the channel sound source data; And Synthesizing the selected channel sound source data to generate edited audio data. The method of claim 15, The channel sound source data is generated by synthesizing at least one elementary sound source data stored for each audio data according to a sound source type. The method of claim 16, The basic sound source data includes a channel identifier indicating the type of sound source, And the channel sound source data is generated by synthesizing the basic sound source data having the same channel identifier. The method of claim 15, wherein generating the edited audio data comprises: Adjusting sound quality of the selected channel sound source data; And And generating the edited audio data by synthesizing the channel sound source data whose sound source quality is adjusted. The method of claim 15, And reproducing the edited audio data. The method of claim 15, Converting a format of the edited audio data to generate first converted data. The method of claim 20, And converting the format of the edited audio data or the format of the first converted data to generate second converted data. The method of claim 20 or 21, Transmitting the first converted data or the second converted data; Receiving and storing the first converted data or the second converted data for each user; And And transmitting the stored first converted data or second converted data to a communication terminal corresponding to the download request in response to the user's download request. The method of claim 15, wherein generating the edited audio data comprises: Collecting external sound sources and generating and storing external sound source data; And And synthesizing the selected channel sound source data with the external sound source data to generate the edited audio data. The method of claim 15, Receiving and storing the edited audio data for each user; And And when the call is requested to the communication terminal corresponding to the connection tone request in response to the connection tone request of the user, broadcasting the edited audio data to the other party requesting the call.

Images