WO2005081250A1 - Procede et appareil d'ordonnancement de donnees multimedia - Google Patents

Procede et appareil d'ordonnancement de donnees multimedia Download PDF

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Publication number
WO2005081250A1
WO2005081250A1 PCT/KR2005/000450 KR2005000450W WO2005081250A1 WO 2005081250 A1 WO2005081250 A1 WO 2005081250A1 KR 2005000450 W KR2005000450 W KR 2005000450W WO 2005081250 A1 WO2005081250 A1 WO 2005081250A1
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WO
WIPO (PCT)
Prior art keywords
media data
scheduling
data
source media
unit
Prior art date
Application number
PCT/KR2005/000450
Other languages
English (en)
Inventor
Seong-Cheol Kim
Original Assignee
Seong-Cheol Kim
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seong-Cheol Kim filed Critical Seong-Cheol Kim
Publication of WO2005081250A1 publication Critical patent/WO2005081250A1/fr

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/005—Reproducing at a different information rate from the information rate of recording
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • G06F3/0219—Special purpose keyboards
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • G06F3/0221—Arrangements for reducing keyboard size for transport or storage, e.g. foldable keyboards, keyboards with collapsible keys

Definitions

  • the present invention relates, in general, to a method and apparatus for performing scheduling to repeatedly play specific sections of source media data and, more particularly, to a method and apparatus which schedule the repetition sequence and number of repetitions of unit sections of specific source media data.
  • a user desires to repeatedly play specific sections of media data composed of audio or video data while playing the media data using a media player (including an audio player, such as a cassette tape recorder, a Compact Disc [CD] player or an MP3 player, and a video player, such as a video tape recorder).
  • a media player including an audio player, such as a cassette tape recorder, a Compact Disc [CD] player or an MP3 player, and a video player, such as a video tape recorder.
  • an audio player such as a cassette tape recorder, a Compact Disc [CD] player or an MP3 player
  • a video player such as a video tape recorder
  • An embodiment of a repetitive playback method is a scheme in which a repetitive playback button is separately provided on a media player, and media data are rewound by a preset period of time (for example, 4 to 8 seconds) at the moment the repetitive playback button is pressed, so that a specific section is repeatedly played.
  • a preset period of time for example, 4 to 8 seconds
  • the number of repetitions can be previously set or determined depending on the user's selection.
  • a method of allowing a user to personally set unit sections That is, if a repetitive playback setting button is separately provided on a media player, and a user selects the repetitive playback setting button at start and end points of a desired section to be repeatedly played, respectively, the section between the start and end points is repeatedly played. In this case also, the number of times the section is repeated can be set depending on the user's selection.
  • multimedia data include various source media data, such as video data, audio data, etc.
  • source media data such as video data, audio data, etc.
  • the conventional methods of playing the unit section of multimedia data are problematic in that they can only synchronize these source media data with each other and play the source media data together, but it is impossible to separate the source media data and set individual unit sections.
  • an object of the present invention is to provide a scheduling method, which can separate multimedia data to be played and set specific source media data to unit sections.
  • Another object of the present invention is to provide a scheduling method, which can variously perform scheduling with respect to the same type of media data in a media player for playing only one type of media data.
  • a further object of the present invention is to provide a scheduling method, which can repeatedly play preset unit sections among the source media data according to a preset repetition sequence and the preset number of repetitions.
  • Yet another object of the present invention is to provide a scheduling playback apparatus, which can repeatedly play scheduled media data.
  • the present invention provides a media data scheduling method of repeatedly playing specific sections of multimedia data composed of a plurality of pieces of source media data, comprising the steps of allowing a user to select source media data to be repeatedly played, among the plurality of pieces of source media data in the multimedia data and outputting the selected source media data, designating unit sections among the output source media data, setting a repetition sequence and the number of repetitions of the designated unit sections, and repeatedly playing the unit sections according to schedule setting.
  • a multimedia player is provided with a media data scheduling apparatus that comprises a source media data calling module for calling and playing specific source media data, a unit section designation module for allowing a user to designate specific sections of the played source media data and setting the specific sections to unit sections, a unit section scheduling module for receiving a repetition sequence and the number of repetitions of the unit sections from the user and performing repetitive playback scheduling, and a unit section database for storing the number of repetitions and a repetition sequence with respect to each unit section.
  • a user can repeatedly listen to required media data in a desired sequence.
  • the user may watch only specific sections of video data in a mute state without audio or subtitles or can repeatedly listen to English speech while watching a foreign film, so that the user receives great help in studying a language. Further, the user can set a repetitive playback sequence with respect to desired media sections, thus performing efficient language study.
  • FIG. la is a block diagram showing the internal construction of a media data scheduling apparatus according to the present invention.
  • FIG. lb is a block diagram showing the internal construction of a playback device for playing data output from the media data scheduling apparatus
  • FIG. 2 is a table showing an example of data stored in a unit section database
  • FIG. 3 is a view showing a process of repeatedly playing specific sections of multimedia data according to the present invention.
  • FIG. 4 is a perspective view showing the external shape of a remote controller for controlling a multimedia player
  • FIG. 5 is a view showing the type of source media data
  • FIGS. 6a and 6b are views showing the setting of unit sections of source media data
  • FIGS. 7a and 7b are unit section designation and scheduling tables
  • FIG. la is a block diagram showing the internal construction of a media data scheduling apparatus for repeatedly playing specific sections of multimedia data according to schedule setting.
  • a source media data calling module 102 functions to retrieve source media data to be repeatedly played from a corresponding data source.
  • the source media data include respective source data required at the time of playing multimedia.
  • source media data may correspond to video data, foreign language audio data, and subtitle data. Therefore, the source media data calling module 102 can call respective source media data (video data, foreign language audio data, and subtitle data) stored on the foreign film DVD.
  • source media data correspond to video data, foreign language audio data, translated (Korean version) audio data, and subtitle data.
  • the source media data calling module 102 further executes a process of separately recognizing respective broadcast channels of digital broadcasting, without directly calling source media data from a DVD as in the case of repetitive DVD playback, thus calling source media digital data.
  • digital broadcast TV channels include a video channel for transmitting video data, an audio channel for transmitting audio data, a data channel for transmitting subtitles and required information, a control channel for transmitting control data, etc.
  • a process of separately recognizing the channels is additionally required.
  • a unit section designation module 104 functions to allow a user to designate specific sections of source media data to be repeatedly played and to store the designated specific sections in a unit section database 110. Therefore, the unit section designation module has various algorithms to designate unit sections. The unit section designation algorithms will be described in detail later, with reference to unit section designation and storage step S310 of FIG. 3 and unit section designation and storage step S910 of FIG. 9.
  • a unit section scheduling module 106 functions to allow the user to set the repetitive playback sequence and number of repetitions of the designated unit sections, store the repetitive playback sequence and number of repetitions in the unit section database 110, and allow the unit sections to be repeatedly played according to the repetitive playback sequence and the number of repetitions.
  • the unit sections of first source media data are designated as 1-A, 1-B and 1-C
  • the unit sections of second source media data are designated as 2- A and 2-B
  • scheduling is executed to perform repetitive playback in the sequence of [1-C, four repetitions] — » [2- A, three repetitions] — » [1-B, three repetitions] — » [1-A, fiver repetitions] — » [2-B, once]
  • the unit section scheduling module 106 stores the designated repetition sequence and the designated number of repetitions in the unit section database and allows the unit sections to be repeatedly played according to the designated repetition sequence and the designated number of repetitions.
  • the unit section database 110 is a database for storing the type of source media data to be repeatedly played, unit sections, a repetition sequence, the number of repetitions, etc.
  • An example of a table in the unit section database is shown in FIG. 2.
  • the type of first source media data is indicated as video data and the type of second source media data is indicated as audio data, but it is apparent that this indication is only an example and the type of source media data can be various source media data, such as subtitle data, in addition to video data.
  • a control unit 108 has an Operating System (OS) and protocols for controlling respective functional units, so that specific sections of source media data can be repeatedly played in a predetermined sequence.
  • OS Operating System
  • the functional blocks in the media data scheduling apparatus of FIG. la can be implemented using hardware, and can also be implemented using a predetermined algorithm module according to circumstance. Therefore, it is apparent that the media data scheduling apparatus of FIG. la is not limited to hardware, but it is an inclusive concept including an algorithm module and may be implemented using a hardware module or an algorithm module inserted in various multimedia players, such as a DVD player, a moving image CD player, and a digital broadcast TV (HDTV).
  • a hardware module or an algorithm module inserted in various multimedia players, such as a DVD player, a moving image CD player, and a digital broadcast TV (HDTV).
  • HDMI digital broadcast TV
  • FIG. lb is a block diagram showing the internal construction of the scheduling playback device.
  • a scheduling data input module 152 is a functional unit for receiving scheduling data from an external media data scheduling apparatus. Therefore, the scheduling data input module 152 is implemented using a wired terminal, such as a serial communication input terminal, or a local area wireless terminal, such as Bluetooth or infrared communication, so as to receive the scheduling data from the external media data scheduling apparatus. It is also possible to receive scheduling data from a storage medium on which the scheduling data is stored.
  • a media data input module 153 is a component for receiving source media data to be played.
  • the media data input module 153 denotes a means in which a storage medium for storing source media data is inserted and mounted to perform playback through a playback module.
  • the source media data input module 153 includes a means that receives source media data from the outside and stores the source media data to allow the source media data to be played by the playback module.
  • a memory module 154 is a module for storing the data received from the scheduling data input module 152. At the time of playback, the scheduling data stored in the memory module 154 are used by the playback module. Playback is performed in such a way that the unit sections of the source media data are played by a playback module according to the repetition sequence and the number of repetitions, which are the scheduling data stored in the memory module 154.
  • the playback module 156 is a playback device having a media playback function, such as a speaker, a monitor or digital player, and may correspond to all media players capable of reproducing scheduling data from the media data scheduling apparatus.
  • the playback module 156 plays source media data according to the scheduling data stored in the memory module 154.
  • FIG. 3 is a flowchart of a process of repeatedly playing specific unit sections of multimedia data through the use of the media data scheduling apparatus.
  • the media data scheduling apparatus outputs source media data included in corresponding multimedia data at step S304.
  • a media data scheduling apparatus provided in the digital broadcast TV outputs a list of source media data, constituting multimedia data, that are currently being broadcasted (or multimedia data stored in the internal storage device) in the display form of FIG. 5.
  • a medium on which the list is displayed can be a monitor when a multimedia player is a moving image CD player, and can be a Braun tube when a multimedia player is a DVD player or digital broadcast TV.
  • the media data scheduling apparatus allows a user to sequentially listen to foreign language source media data, thus allowing the user to select specific source media data at step S306.
  • the media data scheduling apparatus calls and plays the selected source media data at step S308.
  • Playback is performed using various playback methods according to the type of selected source media data.
  • video data only video data are played without audio and subtitle data.
  • English audio data only English audio data are played without video data, subtitle data, Japanese audio data or Korean audio data.
  • the media data scheduling apparatus performs step S310 of allowing the user to designate unit sections and storing the designated unit sections in the unit section database.
  • a first method is to set unit sections on the basis of unit section division points by pressing a unit section setting key 402 during playback of source media data. That is, if the unit section setting key 402 is pressed once during playback, an interval ranging from the start point of source media data to the point at which the unit section setting key is pressed (the unit section division point) is set to a first unit section (1-a section) 650, as shown in FIG. 6a. Thereafter, if the unit section setting key is pressed a second time S604, an interval ranging from the first key press point S602 of the unit section setting key to the second key press point S604 is set to a second unit section (1-b section) 651.
  • an interval ranging from the second key press point S604 of the unit section setting key to a playback end point S606 is set to a unit section (1-c section) 652.
  • a second method of designating unit sections is to press a unit section start key at a unit section start point and press a unit section stop key at a unit section end point so as to designate a unit section among played source media data, thus designating a single unit section. Thereafter, unit sections can be continuously designated by pressing the unit section start key and the unit section stop key while the user watches continuously played video data.
  • the unit section start key and the unit section stop key are pressed during playback of specific source media data at steps S652 and S654, as shown in FIG. 6b, so that desired sections to be repeatedly played can be set.
  • the unit sections can be designated using various methods. For example, the unit sections can be designated on the basis of specific time intervals by utilizing time tags for the unit section start and end points, or on the basis of media data block- based tags.
  • a third method of designating unit sections is to automatically designate unit sections by pressing a unit section automatic designation key 414 of a remote controller without separately designating the unit sections. For example, if the automatic designation key 414 is pressed, source media data are divided according to a preset time interval (for example, 10, 15 or 20 seconds), so that the unit sections can be designated.
  • a preset time interval for example, 10, 15 or 20 seconds
  • sections to be repeated are automatically set on the basis of mute points at which audio data are not output. For example, when a mute state having a sound volume lower than a certain level is maintained for a certain period of time starting at a specific point after a sound volume higher than a certain level was maintained, an interval ranging from the initial point to the mute point is set to a first repetition section.
  • the indexes of the unit sections designated through the above process are stored in the unit section database in the form of a table in a designated sequence 702 at step S310, as shown in FIG. 7a.
  • step S312 of asking whether to designate the unit sections of other source media data is performed.
  • the unit sections of other source media data are required to be designated at step S312a, the unit sections are designated after steps S304, S306, S308 and S310 are performed.
  • unit sections of second source media data are required to be designated after the designation of the unit sections of first source media data (video data) has terminated
  • unit sections 712 designated with respect to the second source media data are stored in the unit section database as shown in FIG. 7b, after steps S304, S306, S308 and S310 are performed.
  • unit section playback scheduling step S314 is performed. That is, at step S314, the repetition sequence and number of repetitions of the designated unit sections are determined. Furthermore, specific unit sections can be set so that they are repeated in a mute state in which no sound is output.
  • the scheduling is to set the repetition sequence and the number of repetitions with respect to each unit section.
  • the user can set the repetition sequence and the number of repetitions with reference to the contents output for unit sections.
  • an audio player playing only audio data sequentially outputs audio data according to respective sections, thus allowing the user to set the repetition sequence and number of repetitions of a given section.
  • a video player for example, a DVD player, or a digital broadcast TV
  • a monitor capable of displaying video pictures displays a repetition section field, a repetition sequence field and a repetition number field on a monitor for convenience in scheduling, as shown in FIG. 8.
  • the output of source media data can be limited.
  • the source media data are audio data
  • scheduling can be performed to repeat a corresponding section in a mute state, instead of repeatedly playing the audio data of the section.
  • the source media data are video data
  • scheduling can be performed to prohibit the video data of a corresponding section from being output, instead of repeatedly playing the video data of a corresponding section. For example, if the number of repetitions of a corresponding unit section is set to 0, the corresponding unit section is repeatedly played while remaining in a mute state.
  • a method of designating unit sections at unit section designation and storage step S310 is problematic in that it forces the user to separately designate unit section start points among the source media data being played. That is, there is a disadvantage in that the user must always separately designate unit section start points before the scheduling of the repetition sequence and the number of repetitions is performed.
  • step S904 scheduling step S904 of outputting the unit blocks of source media data and designating a repetition sequence and the number of repetitions is performed.
  • the source media data are characterized in that unit sections to be repeatedly played are preset therein at the time of generating the data.
  • the media data scheduling apparatus outputs preset unit sections.
  • an audio player outputs audio data of respective sections of corresponding source media data, thus allowing the user to set the repetition sequence and number of repetitions of the audio data.
  • step S906 of asking whether to perform scheduling for other source media data is performed.
  • scheduling is desired to be performed for other source media data
  • a repetition sequence and the number of repetitions are designated after scheduling step S904 is performed.
  • source media data are repeatedly played according to the schedule setting at any time if the user presses a playback key at step S908.
  • the present invention is useful for a user to variously study languages because only specific source media data can be repeatedly played at the time of repeatedly playing multimedia data including a plurality of pieces of source media data. Further, the present invention is useful for language study in that, even at the time of repetitively playing media for outputting the same type of media data, various scheduling operations are possible with respect to the corresponding media. Further, the present invention is advantageous in that a user can set the repetition sequence and number of repetitions of designated unit sections, thus providing various repetitive playback methods.

Abstract

L'invention concerne, de manière générale, un procédé et un appareil permettant d'effectuer un ordonnancement afin de lire, de manière répétée, des sections spécifiques de données multimédia source, et plus particulièrement, un procédé et un appareil permettant d'ordonnancer la séquence de répétitions et le nombre de sections unitaires de données multimédia source spécifiques. Dans ce procédé d'ordonnancement de données multimédia lues de manière répétitive et composées d'une pluralité d'éléments de données multimédia source, un utilisateur sélectionne des données multimédia source à lire de manière répétitive dans la pluralité d'éléments de données multimédia source, et les données multimédia source sont émises. Des sections à lire de manière répétitive (appelées sections unitaires) sont désignées parmi les données multimédia source émises. Une séquence de répétitions et le nombre de répétitions des sections unitaires désignées sont réglées. Lesdites sections unitaires sont lues de manière répétitive en fonction du réglage de l'ordonnancement.
PCT/KR2005/000450 2004-02-19 2005-02-17 Procede et appareil d'ordonnancement de donnees multimedia WO2005081250A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040011116A KR100595421B1 (ko) 2004-02-19 2004-02-19 미디어 데이터를 스케쥴링하는 방법 및 장치
KR10-2004-0011116 2004-02-19

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US8839108B2 (en) 2010-01-06 2014-09-16 Samsung Electronics Co., Ltd. Method and apparatus for selecting a section of a multimedia file with a progress indicator in a mobile device

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KR101103329B1 (ko) * 2010-01-29 2012-01-18 윤만희 어학 학습기 재생 방법

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