KR100759903B1 - Record medium player and method capable of resuming a reproducing operation from a reproducing stopped location of record medium - Google Patents

Abstract

Disclosed is a recording medium reproducing apparatus and method for reproducing a combined recording medium following a previous reproduction stop position. In the recording medium reproducing apparatus of the present invention, when the recording medium is coupled to the apparatus, the control unit obtains basic information including identification information of the recording medium through the recording medium reading unit. When a play command is input through the input unit, the controller searches whether a file corresponding to the combined recording medium exists in the hard disk drive. At this time, if a file corresponding to the combined recording medium is present on the hard disk drive, the control unit reads out the file information matched with the file, and if the file information includes the previous playback stop position information, the recording medium follows the previous playback position. The recording medium reading unit is controlled to reproduce. On the other hand, if there is no previous playback stop position information in the read file information, the control unit controls the recording medium reading unit so that the recording medium can be reproduced from the beginning.

Recording media, playback device, previous playback stop position, hard disk drive, DVD, composite device

Description

Recording medium player and method capable of resuming a reproducing operation from a reproducing stopped location of record medium}

1 is a block diagram of a recording medium reproducing apparatus according to the present invention;

2 is a block diagram of a DVD playback device and a TV tuner combined type device according to an embodiment of the present invention;

FIG. 3 is a flowchart illustrating the operation of the host controller shown in FIG. 2;

4 is a view showing a part of the basic information read out from the DVD disc shown in FIG. 2;

FIG. 5 is a flowchart illustrating another embodiment of the initial operation shown in FIG. 3 of the host control unit shown in FIG. 2 and the playback operation of the DVD disc; FIG.

FIG. 6 is a flowchart for explaining a recording method of recording a playback stop position of a DVD disc of the host controller shown in FIG. 2;

FIG. 7 is a diagram showing file information recorded for a DVD disc of a file created in the HDD shown in FIG.

* Description of the symbols for the main parts of the drawings *

10: recording medium reading unit 20: input unit                 

30, 136: HDD (Hard Disk Drive) 40: Output

50: control unit 110: DVD playback unit

112: DVD disc 114: DVD DSP

116: DVD decoder 118: DVD control unit

120: input panel unit 130: HDD recording and playback unit

131: TV tuner 140: Input and output selector

150: host control unit

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording medium reproducing apparatus and a control method thereof, and more particularly, to a recording medium reproducing apparatus capable of reproducing a recording medium following a previous reproduction stop position and a reproducing method thereof.

With the development of the data recording method, various recording media capable of storing a large amount of data and devices for reproducing the recording media have been released. For example, a recording medium such as a DVD (Digital Versatile Disk) has a storage capacity of about 4.7 GB in case of single-sided recording, and this storage capacity can record a high quality movie with various information.

Meanwhile, in the recording medium reproducing apparatus, the playback may be paused due to the user's circumstances while playing the continuous video and audio data such as a movie. At this time, the recording medium reproducing apparatus records the unit value during reproducing of the recording medium in the built-in semiconductor memory, and when the play button is selected again, the video and audio data recorded on the recording medium with reference to the previous reproducing unit value recorded in the semiconductor memory. Is reproduced after the previous playback stop position.

However, the conventional recording medium reproducing apparatus as described above can only replay after the previous reproducing stop position only when the reproducing command is input again when the recording medium is not separated from the reproducing apparatus. However, when recombination is performed again, there is a problem that playback cannot be continued following the previous playback stop position of the recording medium. For example, when playback is stopped at the 'a' position while the DVD playback apparatus is playing the DVD disc 'A', the playback apparatus records the position 'a' in the built-in semiconductor memory. Then, when the play command is input again without the disc being detached, the play device uses the position information 'a' recorded in the semiconductor memory to play the DVD disc from the previous play stop position. However, when the 'A' disc is removed and the 'B' disc is inserted and played, the position information 'a' becomes meaningless. That is, the location information 'a' is meaningful only on the 'A' disk, and is unnecessary because it is meaningless information on other disks. Therefore, when the later 'A' disc is recombined, the previous position information 'a' does not exist, and thus it cannot be played after the previous playback stop position.

An object of the present invention is to provide a recording medium reproducing apparatus and a control method for reproducing the recording medium from the previous playback stop position even when the recording medium is separated and recombined to solve the above problems.

Still another object of the present invention is to enable a recording medium to be played back from a previous playback stop position even when playback is stopped due to a power failure.

The recording medium reproducing apparatus of the present invention for achieving the above object comprises an input unit for receiving a reproduction command from the user; A recording medium reading unit for reading data from the recording medium; A data storage device in which a previous reproduction stop position of each recording medium is recorded in accordance with each identifier corresponding to each of the reproduced recording media; And basic information including identification information of the combined recording medium when the recording medium is combined, and when the reproduction command is input through the input unit, an identifier corresponding to the combined recording medium exists in the data storage device. And a control unit which controls the recording medium reading unit to perform reproduction after the previous reproduction stop position of the combined recording medium when the information of the previous reproduction stop position matched with the identifier is included.

Here, the data includes video content, and the identifier may use the same name as the volume name of the recording medium.

If the identifier corresponding to the combined recording medium does not exist in the data storage device, the controller generates an identifier corresponding to the combined recording medium in the data storage device. When playback is stopped due to various factors during the playback of the recording medium, the current playback position is matched with the identifier and stored in the data storage device. Reproduction interruption factors of the recording medium may be a playback stop command and a power off command by the user, and another mode change command.

The control unit controls the recording medium reading unit to reproduce from the initial reproduction position of the combined recording medium when the previous reproduction stop position information does not exist in the identifier recorded in the data storage device. The recording medium reproducing apparatus may further include an output unit which outputs a reproducing position setting menu to allow a user to set a reproducing position. The control unit may further include a previous reproducing stop position information in the identifier recorded in the data storage device. If present, the playback position setting menu may be output through the output unit. At this time, the playback position setting menu is configured to allow a user to select one of the previous playback stop position and the initial playback position.

The recording medium reproducing method of the present invention for achieving the above object comprises the steps of: reading basic information including identification information of the combined recording medium when the recording medium is combined; Searching for a data storage device that matches each identifier corresponding to each of the reproduced recording media and records a previous reproduction stop position of each recording medium to determine whether an identifier corresponding to the combined recording medium exists; Detecting whether a playback command is input from a user; And if the identifier corresponding to the combined recording medium exists in the data storage device, and if there is a previous reproduction stop position information matched with the identifier, performing playback after the previous reproduction stop position of the combined recording medium. do.

If the identifier corresponding to the combined recording medium does not exist in the data storage device, generating an identifier corresponding to the combined recording medium in the data storage device; and reproducing the combined recording medium. If this is stopped, matching the current playback position to the identifier and storing the data in the data storage device. The method may further include reproducing from the initial playback position of the combined recording medium, if there is no previous playback stop position information in the identifier recorded in the data storage device.

On the other hand, when the previous playback stop position information is present in the identifier recorded in the data storage device, the playback position setting menu configured to select one of the previous playback stop position and the initial playback position so that the user can select the playback position. Outputting; may further include.

According to the recording medium reproducing apparatus and method of the present invention as described above, even if the recording medium is separated and then recombined, the recording medium can be replayed from the previous playback stop position. Even if the recording medium can be played back from the previous playback stop position.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a recording medium reproducing apparatus according to the present invention. The recording medium reproducing apparatus includes a recording medium reading unit 10, an input unit 20, a hard disk drive 30, an output unit 40, and a controller 50.

The recording medium reading unit 10 detects the combination of the recording medium 5 and transmits the same to the control unit 50, and reads data from the recording medium 5 coupled under the control of the control unit 50.

The input unit 10 receives a command related to the reproduction of the recording medium 5 and the reproduction mode selection from the user. The input unit 20 may be a remote controller (hereinafter referred to as a remote controller) and may be a key input unit that generates a command input signal in response to a user's direct key input. Accordingly, the voice input unit may generate a command input signal.

The hard disk drive 30 stores a reproduction stop position of each of the previously reproduced recording media in correspondence with an identifier corresponding to each recording medium.

The output unit 40 outputs a playback signal read out from the recording medium 5 and a playback position setting menu configured to allow a user to select a playback position of the recording medium under the control of the controller 50. In general, the output unit 40 is connected to a display device (not shown).

The control unit (50) controls the entire system, and in particular, reads whether the previous playback of the currently combined recording medium (5) through the information recorded on the hard disk drive, in the case of a recording medium that has been previously played, the playback command If is input, the recording medium reading unit 10 is controlled to play back the recording medium from the previous playback stop position with reference to the unit value during the previous playback.

In the recording medium reproducing apparatus as described above, when the recording medium 5 is coupled to the apparatus, the control unit 50 obtains basic information including identification information of the recording medium 5 through the recording medium reading unit 10. When a play command is input through the input unit 20, the controller 50 searches whether the identifier corresponding to the combined recording medium 5 exists in the hard disk drive 30. At this time, if an identifier corresponding to the combined recording medium is present in the hard disk drive 30, the controller 50 reads out information matched with the identifier, and if there is previous playback position information matched with the identifier, the previous playback is performed. The recording medium reading unit 10 is controlled to perform the reproducing operation from the previous reproducing position of the recording medium with reference to the stop position information.

2 is a block diagram of a composite apparatus in which a DVD player and a TV tuner are combined according to an exemplary embodiment of the present invention. The composite apparatus includes a DVD playback unit 110, an input panel unit 120, an HDD 136, a TV tuner 131, an HDD recording and playback unit 130, an input / output selection unit 140, and a host control unit 150. It includes.

The input panel unit 120 includes a remote controller 124, a key input unit 122, and a function display 126.

The DVD player 110 includes a DVD DSP 114 for outputting a pure DVD stream by removing additional data for error correction and data other than a pure digital signal from digital data picked up from the DVD disc 112, and a DVD DSP. A DVD decoder 116 for decoding the DVD bitstream output from 114 and outputting analog video and audio signals, and a DVD controller 118 for controlling the DVD player 110. The DVD player 110 may play a video CD and an audio CD in addition to a DVD title. The DVD decoder 116 is usually composed of a one-chip IC (Intergrated Circuit). In the one-chip IC, an MPEG2 decoder (not shown), an NTSC / PAL encoder (not shown) for converting digital video data into an analog video signal, and an A / D converter (not shown) for converting digital audio data into an analog audio signal are provided. Is built. However, NTSC / PAL encoders and A / D converters can be installed outside the IC, depending on the IC.

The HDD recording and reproducing unit 130 converts the input analog video and audio signals into digital data, compresses them to MPEG standard, and stores them in the HDD 136. Also, digital video and audio data are read from the HDD 136 and played back. To this end, the HDD recording and playback unit 130 converts the analog video and audio signals received through the TV tuner 131 or the external input terminal 144 into digital video data and audio data, respectively. And the MPEG encoder 134 and the MPEG encoder 134 for compressing the digital video data and the audio data converted through the audio A / D converter 133 and the video and audio A / D converters 132 and 133. HDD DSP 135 and HDD DSP 135 which add an error correction code and the like to the data, store them in the HDD 136, read compressed data stored in the HDD 136, and output pure compressed data through error correction. NTSC / PA converts the video stream output through the MPEG decoder 137 and the MPEG decoder 137 to restore the digital compressed video data and audio data read out through An L encoder 139 and an audio D / A converter 138 for converting the audio stream output through the MPEG decoder 137 into analog signals are provided. The HDD recording and playback unit 130 as described above is configured to perform compression through the MPEG encoder 134, but another compression processor may be used.

In the input / output selector 140, the input selector 144 selectively receives analog video signals and audio signals input from various external devices (not shown). In addition, according to the system, a separate digital interface (not shown) may be provided to interface digital data with an external device (not shown). The output selector 142 selectively outputs analog video signals and audio signals reproduced from the DVD disc 112 and analog video signals and audio signals reproduced from the HDD 136.

The host control unit 150 controls the overall system, and in particular, when the DVD disc 112 is combined, the basic information of the combined DVD title is obtained. Then, when a play command is input through the input unit 20, It searches for whether a file name such as a volume name included in the information exists in the HDD 136. If a file name equal to the volume name of the combined DVD title exists in the HDD 136, file information of the same file name as the volume name of the DVD title is read from the HDD 136. Then, the recording medium reading unit 10 is controlled to perform the playback from the previous playback stop position or to perform the playback operation from the beginning according to whether the DVD title 112 combined in the file information exists in the previous playback stop position information. Here, when the basic information is read from the DVD disk 112, the host controller 150 searches for whether a file name, such as a volume name included in the basic information, exists in the HDD 136 in the HDD 136, and the combined DVD. If a file name such as a volume name of a title exists in the HDD 136, the file information having the same file name as the volume name of the DVD title is automatically read from the HDD 136, and then the input unit 20 is used. It is also possible to operate in response to the playback command.

3 is a flowchart illustrating an initial operation of the host controller 150 shown in FIG. 2. When the DVD disc 112 is inserted into the apparatus (S310), the host controller 150 instructs the DVD controller 118 to read basic information of the DVD disc 112. Then, the DVD controller 118 drives the spindle motor (not shown), and locates the pickup device (not shown) in the basic information recording area of the DVD disc 112 to read basic information through the DVD DSP 114. (S320). 4 shows the contents of a part of the basic information read out from the DVD disc. The basic information includes main information and video information. The main information includes information such as volume, size, frame rate, and data rate, and the video information includes information such as compression, aspect ratio, TV scanning, display mode, and the like. In addition, the basic information read from the DVD disc includes stream information and chapter information not shown.

When the above basic information is read from the DVD disk 112, the host controller 150 searches whether the same file name as the volume name "YOU'VE_GOT_MAIL_16X9_FF_NA" of the DVD disk 112 exists in the HDD 136 (S330). . If the same file name as the volume name of the DVD disk exists in the HDD 136, the host controller 150 reads out data matched with the file (S350). On the other hand, if the file name identical to the volume name of the currently inserted DVD disk 112 does not exist in the HDD 136, the host controller 150 creates a file in the HDD 136 with the same volume name as the inserted disk (S360). . Then, necessary information that can be reused among the basic information read out from the inserted disc is matched with the generated file and recorded (S370).

FIG. 5 is a flowchart illustrating another embodiment of the initial operation of the host controller 150 shown in FIG. 2 and the reproduction operation of the recording medium. The host controller 150 instructs the DVD controller 118 to read the basic information of the DVD disk 112 when the DVD disk 112 is inserted into the apparatus. Then, the DVD controller 118 drives the spindle motor (not shown), while the pickup device (not shown) is positioned in the basic information recording area of the DVD disc 112, as shown in FIG. 4 through the DVD DSP 114. Basic information including the same main information and video information is read (S510). Thereafter, when a play command is input from the user (S520), the host controller 150 searches whether the file name identical to the volume name of the currently coupled DVD disk 112 exists in the HDD 136 (S530). If the file name identical to the volume name of the currently combined DVD disc 112 does not exist in the HDD 136, a file identical to the volume name of the DVD disc is generated in the HDD 136 (S532), and the DVD disc 112 currently combined is present. If the same file name as the volume name in the file name exists in the HDD 136, data matched with the file is read from the HDD 136 (S540). When the data is read from the HDD 136, the host controller 150 determines whether there is previous playback stop position information for the DVD disk 112 currently coupled (S550). At this time, if the previous playback stop position information is present in the file information, the DVD playback unit 110 is controlled to play the DVD disc 112 from the previous playback stop position (S570). If there is no previous playback stop position information in the file information, the DVD playback unit 110 is controlled to play the DVD disc 112 from the beginning (S580).

In the above process, if the same file name as the volume name of the currently combined DVD disc 112 is present in the HDD 136, and previous play stop position information for the DVD disc currently combined is present in the data read from the HDD 136, The user can check the previous play stop position information of the DVD disc 112 and output the previous play stop position information and the play position setting menu through the output signal selecting unit 142 so that the user can select the play position. There is (S560). If the user selects the playback position through the previous playback stop position information and the playback position setting menu, that is, if the user wants to perform playback from the previous playback stop position (S564), the playback starts from the previous playback stop position (S570), If playback is to be performed from the beginning (S566), playback can be performed from the beginning of the disc.                     

6 is a flowchart for explaining a method of recording a playback stop position of the host controller 150 according to the playback stop of the combined disk. The host control unit 150 is the DVD disk 112 is being played (S610), if the playback is interrupted by the user's stop command or mode switching or power off (S620), the combined DVD disk generated on the HDD 136 The unit value during playback of the DVD disc 112 is recorded in accordance with the file corresponding to 112 (S630). Fig. 7 shows file information that matches the file name generated corresponding to the DVD disc in the HDD and records the playback stop position and other information of the DVD disc.

In the above embodiment, a DVD player and a TV tuner are combined as an example, but the idea of the present invention can be applied to a single playback device and various complex devices, and can be applied to various recording media as well as a DVD disc. have. In addition, it is well known that the present invention can be applied to a video CD, an audio CD, an MP3 disc, and the like that can be played on a DVD player.

According to the recording medium reproducing apparatus and method of the present invention as described above, even if the recording medium is separated and recombined, or the playback is stopped due to power failure due to a power failure or the like, the information on the hard disk is preserved. The recording medium can be played back following the stop position. Accordingly, when the user wants to play the recording medium following the previous playback position, it is possible to save the trouble of having to search the recording medium to find the unit value during the previous playback.

Although the preferred embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and the general knowledge in the technical field to which the present invention pertains without departing from the gist of the present invention claimed in the claims. Anyone with a variety of variations will be possible.

Claims (15)

Tuner; An input unit for receiving a play command from a user; A recording medium reading unit for reading data from the recording medium; The previous playback stop position of each recording medium is recorded in correspondence with each identifier corresponding to each of the recorded recording media, and the video contents received from the tuner or the video contents read out from the recording media by the recording medium reading unit are stored. Data storage devices; And When the recording medium is combined, basic information including identification information of the combined recording medium is read. When the reproduction command is input through the input unit, an identifier corresponding to the combined recording medium is present in the data storage device. And a control unit which controls the recording medium reading unit to perform playback after the previous playback stop position of the combined recording medium when the information on the previous storage stop position matching the identifier exists in the data storage device. A recording medium reproducing apparatus. The method of claim 1, The data includes video content, The data storage device is a recording medium playback device characterized in that the HDD (Hard Disk Drive). The method of claim 1, And the identifier is the same as the volume name of the recording medium. The method of claim 1, And the control unit generates an identifier corresponding to the combined recording medium in the data storage device when the identifier corresponding to the combined recording medium does not exist in the data storage device. The method of claim 4, wherein And when the reproduction is stopped during the reproduction of the recording medium, the controller matches the current reproduction position with the identifier and stores the current reproduction position in the data storage device. The method of claim 1, And the control unit controls the recording medium reading unit to reproduce from the initial reproduction position of the combined recording medium when the previous reproduction stop position information does not exist in the identifier recorded in the data storage device. The method of claim 1, And an output unit for outputting a play position setting menu to a user to set a play position. And the control unit outputs the playback position setting menu through the output unit when the previous playback stop position information is present in the identifier recorded in the data storage device. The method of claim 7, wherein And the play position setting menu is configured to select one of a previous play stop position and an initial play position. When the recording medium is combined, reading basic information including identification information of the combined recording medium; Reading video content from the recording medium; The previous playback stop position of each recording medium is recorded in correspondence with each identifier corresponding to each of the reproduced recording media, and the video storage device storing the video content or the read video content received from the outside is searched for the combined recording medium. Determining whether there is an identifier corresponding to; Detecting whether a playback command is input from a user; And if the identifier corresponding to the combined recording medium exists in the data storage device, and if there is a previous reproduction stop position information matched with the identifier, performing playback after the previous reproduction stop position of the combined recording medium. Recording medium playback method characterized in that. The method of claim 9, And if the identifier corresponding to the combined recording medium does not exist in the data storage device, generating an identifier corresponding to the combined recording medium in the data storage device. The method of claim 10, And reproducing the combined recording medium when the reproduction is stopped, matching the current reproduction position with the identifier and storing the current reproduction position in the data storage device. The method of claim 9, And reproducing from the initial playback position of the combined recording medium, if there is no previous playback stop position information in the identifier recorded in the data storage device. The method of claim 9, And outputting a playback position setting menu to allow a user to select a playback position when the previous playback stop position information is present in the identifier recorded in the data storage device. The method of claim 13, And the playback position setting menu is configured to select one of a previous playback stop position and an initial playback position. The method of claim 9, The data storage device is a recording medium playback method characterized in that the HDD (Hard Disk Drive).

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