JP2000115636A - Sound data transfer device, program data transfer device, program editing and reproducing system, sound data transfer method, program data transfer method, program editing and reproducing method, and storage medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a program-editing and reproducing system, capable of reducing a total sound data size in the state of uncompressed sound data, shortening data transfer time and reducing a storage medium. SOLUTION: Digitized image material and sound material are edited on a PC as a program. That is, a scenario file for which the time of reproduction is related to respective image, sound and character files is prepared (S10). The image material used in the program is transferred via a network (S11), and furthermore, the silence part of a uncompressed sound material used in the program is detected (S12). The detected silence area is abandoned and the file is divided for each sound part (S14) and transferred to a program server. Then, the divided sound file and reproducing time information are reflected on the scenario file, and the scenario file is reconstituted. The reconstituted scenario file is transferred to a program server (S18).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an audio data transfer apparatus and an audio data transfer method for transferring audio data to a network or the like, and a program data transfer apparatus and program for transferring program data including image and audio data to a network or the like. The present invention relates to a data transfer method, a program editing and reproducing system for distributing, storing, and reproducing program data, a program editing and reproducing method, and a storage medium for executing each of these methods.

[0002]

2. Description of the Related Art A program editing and reproducing system for distributing, storing, and reproducing program data via a network such as the Internet or an intranet has been conventionally known. In this program editing / playback system, a program supply side introduces, for example, a program for introducing, in high-definition images and high-quality audio, remote art works and real estate that cannot be easily seen, or large products such as automobiles and furniture. And distributes the program data to the program server via the network. The program server reproduces the program data including the image, audio, and character data as a program based on a certain scenario file, and provides the program to the viewer.

[0003] With recent advances in audio data compression processing technology, the method of compressing and using audio data has become mainstream, while demanding high sound quality equivalent to that of a CD (compact disk). Some programs require the use of uncompressed audio data.

A conventional program editing and reproducing system using uncompressed audio data will be described below with reference to FIGS. 6 and 7. FIG. FIG. 6 is a configuration diagram of a conventional program editing and reproducing system using uncompressed audio data, and FIG.
9 is a flowchart showing a conventional program data transfer procedure.

(A) Program editing operation Image material 52 and sound material 53 constituting a program are converted into data by a personal computer (PC) 51. Each of the converted material is edited as a program.
Specifically, a scenario file 54 is created in which the reproduction time is associated with each image and audio file (FIG. 7).
Step S61). Here, it is assumed that a scenario file having contents as shown in FIG. 8 has been created.

After the program is created, the material data and the scenario file used in the program are transferred to the program server 56 via the network 55 in the procedure shown in step S62 and subsequent steps in FIG.

In step S62, the image material used in the program is transferred. Image files are often compressed in JPEG format, etc.
An image file of the order of a file is used. here,
As shown in FIG. 8, for example, “Dog.jpg”, “Ca
t. jpg ”and“ Bird.jpg ”are transferred to the program server 56.

In step S63, the audio material used in the program is transferred. The audio file is often in an uncompressed format, and one file used for the entire program is used because of easy program editing. Here, as shown in FIG. 8, one file of “BGM.snd” is stored in the program server 56.
Is forwarded to

In step S64, the scenario file shown in FIG. 8 is transferred.

(B) Program Playback Operation The transferred program data is stored in the hard disk of the program server 56. Thereafter, when a scenario file execution instruction is transmitted from the PC 51, the program server 56 interprets the scenario file line by line while displaying the image on the monitor 5.
7 and the sound is output to the speaker 58 and provided to the viewer as a program.

Here, the procedure for interpreting the scenario file of the program server will be described by taking the case where the contents of the scenario file are shown in FIG. 8 as an example.

(A) The first line (000) of the scenario file
0 Play BGM. snd) is time 0 seconds (immediate)
After reading the "BGM.snd" file from the hard disk and performing D / A (digital / analog) conversion,
Output to the speaker 58.

(B) The second line (001) of the scenario file
0 Display Dog. 10pg), the “Dog.jpg” file is read from the hard disk after 10 seconds, subjected to compression / decompression processing, D / A converted, and output to the monitor 57.

(C) Third line (003) of the scenario file
0 Display Cat. 30. After 30 seconds, the “Cat.jpg” file is read from the hard disk, compressed and decompressed, D / A converted, and output to the monitor 57. (D) The fourth line of the scenario file (0050 Disp)
ray Bird. jpg) is “Bi” 50 seconds later.
The "rd.jpg" file is read from the hard disk, compressed and decompressed, D / A converted, and output to the monitor.

(E) The fifth line (007) of the scenario file
0 STOP SCENARIO) stops all output processing after 70 seconds and stops the program.

FIG. 9 shows the above-described program reproduction in chronological order.

[0017]

However, in the above-mentioned conventional program editing / playback system, when uncompressed audio data is used for a program, the amount of data is enormous, so that a large amount of data is required for distribution via a network. There is a problem that not only time is required but also a large-capacity storage medium is required.

As a countermeasure, a method of using compressed audio data is conceivable. However, since the amount of data is small, the sound quality is degraded, and it cannot be used for a program requiring high sound quality equivalent to a CD.

In view of the above problems, the present invention reduces the total size of audio data in the state of uncompressed audio data, that is, while maintaining high sound quality, thereby realizing a reduction in transfer time and a reduction in storage medium. It is an object of the present invention to provide an audio data transfer device, a program data transfer device, a program editing and reproducing system, an audio data transferring method, a program data transferring method, a program editing and reproducing method, and a storage medium that can perform the operations.

[0020]

According to a first aspect of the present invention, there is provided an audio data transfer apparatus, comprising: detecting means for detecting a silent region of audio data; It is characterized by comprising a dividing means for discarding a silent region and dividing the sound data into a plurality of sound data, and a transfer means for transferring the sound data divided by the dividing means.

According to a second aspect of the present invention, in the audio data transfer apparatus according to the first aspect, the audio data is uncompressed audio data, and the detecting means outputs the uncompressed audio data from the uncompressed audio data. It is characterized in that a level is searched and a portion below a certain level is determined as a silent region.

According to a third aspect of the present invention, there is provided a program data transfer apparatus for transferring a scenario file in which reproduction time is associated with each file of program material data including image and audio data, and a program file for transferring the program material data. In the data transfer device, a detecting unit for detecting a silent region of the audio data, a dividing unit for discarding the silent region detected by the detecting unit and dividing into a plurality of audio data, and a sound divided by the dividing unit Audio data transfer means for transferring data, reconfiguration means for reconfiguring the scenario file according to the audio data divided by the division means,
And a scenario file transfer unit for transferring the scenario file reconfigured by the reconfiguration unit.

According to a fourth aspect of the present invention, in the program data transfer apparatus according to the third aspect, the audio data is uncompressed audio data, and the detecting means outputs the uncompressed audio data from the uncompressed audio data. It is characterized in that a level is searched and a portion below a certain level is determined as a silent region.

According to a fifth aspect of the present invention, there is provided the program editing / playback system, further comprising program editing means for creating a scenario file in which a playback time is associated with each file of program material data including image and audio data. A program editing / playback system comprising: a program data transfer device for transferring a file and the program material data; and a program playback device for playing the program material data based on the scenario file transferred from the program data transfer device. A detecting unit for detecting a silent region of the audio data, a dividing unit for discarding the silent region detected by the detecting unit and dividing the audio data into a plurality of audio data; Audio data transfer means for transferring the divided audio data to the program reproducing apparatus; Reconstructing means for reconstructing the scenario file according to voice data; and scenario file transferring means for transferring the scenario file reconstructed by the reconstructing means to the program reproducing apparatus. .

According to a sixth aspect of the present invention, in the program editing and reproducing system according to the fifth aspect, the audio data is uncompressed audio data, and the detecting means outputs the uncompressed audio data from the uncompressed audio data. It is characterized in that a level is searched and a portion below a certain level is determined as a silent region.

According to a seventh aspect of the present invention, in the audio data transfer method, a detection process of detecting a silent region of the audio data, and a dividing process of discarding the silent region detected in the detection process and dividing into a plurality of audio data. And a transfer process for transferring the audio data divided by the division process.

According to an eighth aspect of the present invention, in the audio data transfer method according to the seventh aspect, the audio data is uncompressed audio data, and the detection processing is performed based on the output of the uncompressed audio data. It is characterized in that a level is searched and a portion below a certain level is determined as a silent region.

According to a ninth aspect of the present invention, there is provided a program data transfer method, wherein a scenario file in which a reproduction time is associated with each file of program material data including image and audio data, and a program which transfers the program material data. In the data transfer method, a detection process for detecting a silence region of the audio data, a division process for discarding the silence region detected in the detection process and dividing the audio data into a plurality of audio data, Audio data transfer processing for transferring data, and reconfiguration processing for reconfiguring the scenario file according to the audio data divided by the division processing,
And a scenario file transfer process for transferring the scenario file reconfigured in the reconfiguration process.

According to a tenth aspect of the present invention, in the program data transmitting method according to the ninth aspect, the audio data is non-compressed audio data, and the detecting process includes outputting the non-compressed audio data from the non-compressed audio data. It is characterized in that a level is searched and a portion below a certain level is determined as a silent region.

[0030] In the program editing and reproducing method according to the present invention, a program editing process for creating a scenario file in which a reproduction time is associated with each file of program material data including image and audio data; A program data transfer process of transferring the program material data and the program material data; and a program playback process of playing the program material data based on the scenario file transferred by the program data transfer process. The program data transfer process includes a detection process of detecting a silent region of the audio data, a division process of discarding the silent region detected in the detection process and dividing the audio data into a plurality of audio data,
An audio data transfer process for transferring the audio data divided by the division process to the program reproducing apparatus; a reconstruction process for reconstructing the scenario file according to the audio data divided by the division process; And executing a scenario file transfer process of transferring the scenario file reconfigured in the configuration process to the program reproducing apparatus.

According to a twelfth aspect of the present invention, in the program editing and reproducing method according to the eleventh aspect, the audio data is non-compressed audio data, and the detecting process includes outputting from the non-compressed audio data. It is characterized in that a level is searched and a portion below a certain level is determined as a silent region.

In the storage medium according to the thirteenth aspect, a detecting step for detecting a silent region of the audio data;
A program is stored which has a dividing step of discarding the silent region detected in the detecting step and dividing the sound data into a plurality of sound data, and a transferring step of transferring the sound data divided in the dividing step. .

According to a fourteenth aspect of the present invention, in the storage medium of the thirteenth aspect, the audio data is uncompressed audio data, and the detecting step searches for an output level from the uncompressed audio data. Thus, a portion below a certain level is determined to be a silent region.

The storage medium according to the invention of claim 15 is:
A scenario file that associates the playback time with each file of program material data including image and audio data,
A storage medium storing a computer-readable program for executing a program data transfer method for transferring the program material data, wherein the program data transfer method includes detecting a silent region of the audio data. A dividing step of discarding the silent region detected in the detecting step and dividing the sound data into a plurality of audio data; an audio data transferring step of transferring the audio data divided in the dividing step; and a dividing step. It is characterized by comprising a reconfiguration step of reconfiguring the scenario file according to audio data, and a scenario file transfer step of transferring the scenario file reconfigured in the reconfiguration step.

The storage medium according to the sixteenth aspect of the present invention
16. The storage medium according to claim 15, wherein the audio data is non-compressed audio data, and the detecting step searches for an output level from the uncompressed audio data, and determines that a portion below a certain level is a silent region. Features.

The storage medium according to the seventeenth aspect of the present invention
A program editing process for creating a scenario file that associates a playback time with each file of program material data including image and audio data; a program data transfer process for transferring the scenario file and the program material data; A storage medium storing a computer-readable program, which executes a program editing / playback method of performing a program playback process of playing back the program material data based on the scenario file transferred by a data transfer process, The program data transfer process of the program editing and reproducing method, the detecting step of detecting a silent region of the audio data, a dividing step of discarding the silent region detected in the detecting step and dividing into a plurality of audio data, An audio data transfer step of transferring the audio data divided in the division step; A reconstructing step of reconstructing the scenario file in accordance with the audio data divided in the dividing step, and a scenario file transferring step of transferring the scenario file reconstructed in the reconstructing step. And

In the storage medium according to the eighteenth aspect of the present invention, in the storage medium according to the seventeenth aspect, the audio data is uncompressed audio data, and the detecting step searches for an output level from the uncompressed audio data. Thus, a portion below a certain level is determined to be a silent region.

[0038]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a schematic diagram showing a configuration of a program editing and reproducing system according to one embodiment of the present invention.

In the figure, reference numeral 10 denotes a personal computer (PC) which takes in an image material 21 and an audio material 22 constituting a program and digitizes the same, and converts the digitized materials 21 and 22 into, for example, an authoring tool. Has the function of editing as a program. Also, PC
A scenario file 11 is created on the file 10 in which the reproduction time is associated with each image, sound, and character file.

Further, the PC 10 includes a silent data detecting means 12 and a silent data discarding means 1 which are features of the present invention.
3. An audio file dividing unit 14 and a scenario file reconstructing unit 15 are provided. These means can realize the following functions, for example, by storing a program according to a flowchart of FIG. 2 described later in a storage device in the PC 10 and operating the program. That is, the silent data detecting means 12 performs a process of detecting a silent part of the uncompressed audio data, and the silent data discarding means 13
Discards the silent part of the detected audio data. Further, the audio file dividing means 14 divides the file for each sound portion of the audio data, and the scenario file reconstructing means 15 reconstructs the scenario file of the program according to the divided audio files.

The PC 10 is connected via a network 30 such as the Internet or an intranet, and transmits a signal such as a program reproduction command to the program server 40 in addition to an image material, an audio material which is a feature of the present invention, and a scenario file. It has a function to transfer to the side.

The program server 40 is connected to the network 3
A hard disk for storing the program data transferred via the H.0, and a function of interpreting the scenario file and outputting image data to the monitor 41 and audio data to the speaker 42, respectively.

Next, the operation from program editing to reproduction in the program editing and reproducing system will be described with reference to the flowchart of FIG.

First, the image material 21 and the audio material 22 constituting the program are converted into data by the PC 10. That is, the image material 21 is captured from a digital camera or the like,
It is filed on the PC 10. The audio material 22 is digitized by a sound board or the like, and is filed on the PC 10.

Each of the materials 21 and 2 thus digitized
2 is edited as a program using an authoring tool on the PC 10. Specifically, a scenario file is created in which the reproduction time is associated with each image, sound, and character file (step S10). Here, it is assumed that a scenario file having the contents shown in FIG. 8 is created.

After the program is created, material data and a scenario file used in the program are transferred to the program server 40 via the network 30 according to the procedure shown in step S11 and subsequent steps in FIG.

In step S11, the image material used in the program is transferred. The image file is compressed in, for example, the JPEG format, and about 50 image files are used for a 5-minute program. In the present embodiment, as shown in FIG. 8, for example, “Dog.jpg”, “Ca.
t. jpg ”and“ Bird.jpg ”are transferred to the program server 40.

In the following step S12, a silent portion of the uncompressed audio material used in the program is detected. The audio file of the present embodiment is in an uncompressed format, and one file used for the entire program is used because of easy program editing. Here, as is clear from FIG. 8, “BGM.s
One file “nd” is used in the program. As an example of a method of detecting a silent part, as shown in FIG. 3 showing an amplitude waveform of “BGM.snd”, a method of searching for an output level from uncompressed audio data, and determining a part below a certain level as a silent area. There is. In the example of FIG. 3, A, C,
The portions E and G can be determined to be silent regions.

In the subsequent steps S13 and S14, the detected silent region is discarded, and the file is divided for each sound portion. For example, if the output envelope of “BGM.snd” is as shown in FIG. 3, the parts A, C, E, and G in the figure can be determined to be silent areas and are ignored, and the B, D, and F parts are ignored. Since the part is sounded, the respective areas are set to “01.snd”, “02.snd”, “0.
3. The file is automatically saved under the file name "snd", and is transferred to the program server 40 in step S15.

Next, in step S16, the audio file and the reproduction time information divided as described above are reflected in the scenario file. Originally, “0000 Play BG” on the first line of the scenario file having the contents shown in FIG.
M. "snd" is changed to "0" in the B area to be reproduced from time 5 seconds.
1. "snd" and "0" of the D area to be reproduced from the time 25 seconds.
2. "snd" and "0" of the F area to be reproduced from the time 45 seconds.
3. "0005" and "0005", respectively.
Play 01. snd "," 0025 Play
02. snd "," 0045 Play 03. sn
The instruction "d" is automatically inserted into the adaptation line of the scenario file, and the reconstruction is performed as shown in FIG.

Then, in step S17, the reconstructed scenario file is transferred to the program server 40.

In this way, the program data (material data and scenario file) transferred to the program server 40 side
Are stored on the hard disk of the program server 40. In step S18, when the PC 10 transmits a program reproduction command to the program server 40, the program server 40 outputs the image to the monitor 41 while interpreting the scenario file shown in FIG. Output and provide to viewers as a program. If this program reproduction is shown in chronological order, it is expressed as shown in FIG.

As described above, in the present embodiment, the silence portion of the uncompressed audio data is detected and discarded at the time of program data transfer, divided into a plurality of audio data, and a scenario file corresponding to the plurality of audio data is transmitted. Because it was reconstructed to make it uncompressed audio data,
In other words, the total audio data size can be reduced while maintaining high sound quality, so that the transfer time and the storage medium can be reduced. In particular, narration voices used in programs have a lot of non-voicing time, so that the total size of a group of files created by division can be made much smaller than the size of one file before division. .

The present invention is not limited to the device of the above-described embodiment, but may be applied to a system composed of a plurality of devices or to a device composed of one device. The storage medium storing the program codes of the software for realizing the functions of the above-described embodiments is also supplied to the system or the apparatus, and the system or the apparatus also executes the program code stored in the storage medium by the computer (or CPU or MPU). It goes without saying that reading is executed and completed.

In this case, the program code itself read from the storage medium implements the functions of the above-described embodiment, and the storage medium storing the program code constitutes the present invention. As a storage medium for supplying the program code, for example, a floppy disk, a hard disk, an optical disk, a magneto-optical disk, a CD-ROM, a CD-R, a magnetic tape, a nonvolatile memory card, and a ROM can be used.

When the computer executes the readout program code, not only the functions of the above-described embodiment are realized, but also the OS or the like running on the computer is actually executed based on the instructions of the program code. It goes without saying that a part or all of the above-described processing is performed, and the functions of the above-described embodiments are realized by the processing. Further, after the program code read from the storage medium is written into a memory provided in a function expansion board inserted into the computer or a function expansion unit connected to the computer, the next program code is expanded based on an instruction. It may also include a case where a function provided by an expansion board or a CPU provided in an expansion unit performs a part or all of the actual processing by performing the actual processing, and the processing realizes the functions of the above-described embodiments. Needless to say.

[0058]

As described in detail above, the audio data transfer apparatus according to the first aspect of the invention, the program data transfer apparatus according to the third aspect of the invention, and the program editing / playback system according to the fifth aspect of the invention. An audio data transfer method according to the invention according to claim 7, a program data transfer method according to the invention according to claim 9, a program editing / playback method according to the invention according to claim 11,
According to the storage medium according to the thirteenth, fifteenth, and seventeenth aspects, it is possible to reduce the total audio data size in a state of uncompressed audio data, that is, while maintaining high sound quality, The transfer time and the storage medium can be reduced.

The audio data transfer device according to the second aspect, the program data transfer device according to the fourth aspect,
A program editing and reproducing system according to the invention according to claim 6, an audio data transfer method according to the invention according to claim 8, and claim 10.
A program data transfer method according to the present invention, a program editing and reproducing method according to the twelfth invention, Claims 14 and 1,
According to the storage medium according to the sixth and eighteenth aspects,
A silent region of audio data can be detected easily and accurately.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a configuration of a program editing and reproducing system according to an embodiment of the present invention.

FIG. 2 is a flowchart illustrating an operation from program editing to reproduction in the embodiment.

FIG. 3 is a diagram for describing detection of a silent part of audio data and division of an audio file in the embodiment.

FIG. 4 is a diagram showing an example of reconstructing a scenario file in the embodiment.

FIG. 5 is a diagram showing program reproduction in a time series in the embodiment.

FIG. 6 is a system configuration diagram of a conventional program editing and reproducing system using uncompressed audio.

FIG. 7 is a flowchart showing a conventional program data transfer procedure.

FIG. 8 is a diagram illustrating an example of a scenario file.

FIG. 9 is a diagram showing a conventional program reproduction in chronological order.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Personal computer (PC) 11 Scenario file 12 Silent data detecting means 13 Silent data discarding means 14 Audio file division means 15 Scenario file reconstructing means 21 Image material 22 Audio material 30 Network 40 Program server 41 Monitor 42 Speaker

Claims (18)

[Claims] 1. A detecting means for detecting a silent area of audio data, a dividing means for discarding a silent area detected by the detecting means and dividing the sound data into a plurality of audio data, and an audio data divided by the dividing means. And a transfer unit for transferring the audio data. 2. The audio data is non-compressed audio data, and the detecting means searches an output level from the non-compressed audio data, and determines a portion below a certain level as a silent region. The audio data transfer device according to claim 1, wherein 3. A program data transfer device for transferring a scenario file in which reproduction time is associated with each file of program material data including image and audio data and the program material data, wherein a silent region of the audio data is Detecting means for detecting; dividing means for discarding the silent region detected by the detecting means to divide the sound data into a plurality of sound data; sound data transferring means for transferring the sound data divided by the dividing means; Reconstructing means for reconstructing the scenario file according to the audio data divided by the means, and scenario file transfer means for transferring the scenario file reconstructed by the reconstructing means. Program data transfer device. 4. The audio data is non-compressed audio data, and the detection means searches an output level from the uncompressed audio data, and determines a portion below a certain level as a silent region. The program data transfer device according to claim 3, wherein 5. Program data having program editing means for creating a scenario file in which reproduction time is associated with each file of program material data including image and audio data, and transferring the scenario file and the program material data. A program editing / playback system comprising: a transfer device; and a program playback device that plays back the program material data based on the scenario file transferred from the program data transfer device. Detecting means for detecting a silent area; dividing means for discarding the silent area detected by the detecting means and dividing the sound data into a plurality of audio data; and transferring the audio data divided by the dividing means to the program reproducing apparatus. Reconstructing the scenario file in accordance with the audio data transferred by the audio data transfer means; Program editing playback system characterized by comprising: a reconstruction means, and a scenario file transferring means for transferring the reconstructed scenario file in said reconstruction means to the program reproducing apparatus for. 6. The audio data is non-compressed audio data, and the detecting means searches an output level from the non-compressed audio data and determines a portion below a certain level as a silent region. The program editing and reproducing system according to claim 5, wherein 7. A detection process for detecting a silence region of audio data, a division process for discarding a silence region detected in the detection process and dividing the audio data into a plurality of audio data, and the speech data divided in the division process. And a transfer process for transferring audio data. 8. The audio data is non-compressed audio data, and in the detection processing, an output level is searched from the uncompressed audio data, and a portion below a certain level is determined as a silent region. Item 7. The audio data transfer method according to Item 7. 9. A program data transfer method for transferring a scenario file in which reproduction time is associated with each file of program material data including image and audio data and the program material data, wherein a silent region of the audio data is A detection process for detecting; a division process for discarding a silent region detected in the detection process to divide the audio data into a plurality of audio data; an audio data transfer process for transferring the audio data divided in the division process; A reconfiguration process for reconfiguring the scenario file according to the audio data divided by the process, and a scenario file transfer process for transferring the scenario file reconfigured in the reconfiguration process are performed. Program data transfer method. 10. The audio data is non-compressed audio data, and in the detection processing, an output level is searched from the uncompressed audio data, and a portion below a certain level is determined as a silent region. Item 10. The program data transfer method according to Item 9. 11. A program editing process for creating a scenario file in which reproduction time is associated with each file of program material data including image and audio data, and program data transfer for transferring the scenario file and the program material data A program editing / playback method for performing a process and a program playback process for playing back the program material data based on the scenario file transferred by the program data transfer process, wherein the program data transfer process includes: A dividing process of discarding the silent region detected in the detecting process to divide the sound data into a plurality of audio data; and transmitting the audio data divided in the dividing process to the program reproducing apparatus. Transferring the scenario file according to the audio data divided by the transfer processing; And a scenario file transfer process for transferring the scenario file reconstructed in the reconstruction process to the program playback device. 12. The audio data is non-compressed audio data, and in the detection processing, an output level is searched from the uncompressed audio data, and a portion below a certain level is determined as a silent region. Item 12. The program editing and reproducing method according to Item 11. 13. A detecting step of detecting a silent area of audio data, a dividing step of discarding the silent area detected in the detecting step and dividing the audio data into a plurality of audio data, and the audio data divided in the dividing step. A storage medium storing a program having a transfer step of transferring the data. 14. The audio data is non-compressed audio data, and in the detecting step, an output level is searched from the uncompressed audio data, and a portion below a certain level is determined as a silent region. Item 14. The storage medium according to Item 13. 15. A computer-readable program that executes a program data transfer method of transferring a scenario file in which reproduction time is associated with each file of program material data including image and audio data and the program material data. A storage medium storing a program, wherein the program data transfer method comprises: a detecting step of detecting a silent area of the audio data; and discarding the silent area detected in the detecting step to divide the audio data into a plurality of audio data. A dividing step; an audio data transferring step of transferring the audio data divided in the dividing step; a reconfiguring step of reconfiguring the scenario file according to the audio data divided in the dividing step; Scenario file transfer step to transfer scenario files reconfigured in step And a storage medium comprising: 16. The audio data is non-compressed audio data, and in the detecting step, an output level is searched from the uncompressed audio data, and a portion below a certain level is determined as a silent region. Item 16. The storage medium according to Item 15. 17. A program editing process for creating a scenario file in which reproduction time is associated with each file of program material data including image and audio data, and program data transfer for transferring the scenario file and the program material data A storage medium storing a computer-readable program for executing a program editing / playback method for performing a process and a program playback process for playing back the program material data based on the scenario file transferred by the program data transfer process In the program data transfer process of the program editing and reproducing method, a detecting step of detecting a silent area of the audio data, and a silent area detected in the detecting step are discarded and divided into a plurality of audio data. A dividing step; and audio data for transferring the audio data divided in the dividing step. A transfer step; a reconfiguration step of reconfiguring the scenario file in accordance with the audio data divided in the division step; and a scenario file transfer step of transferring the scenario file reconfigured in the reconfiguration step. A storage medium characterized by the following. 18. The audio data is non-compressed audio data, and in the detecting step, an output level is searched from the uncompressed audio data, and a portion below a certain level is determined as a silent region. Item 18. The storage medium according to Item 17.