KR20040022783A - Logo output apparatus and method for dual video cassette recorder and optical disk player - Google Patents

Abstract

PURPOSE: A device and a method for outputting a logo of a complex player for a VCR(Video Cassette Recorder) and an optical disk are provided to output a logo screen displaying a current mode including a company logo when a medium is inserted into the complex player or a user stops playing. CONSTITUTION: A VCR controller(203) controls operation of a VCR player and entire operation of the complex player. A VCR deck(201) plays a video and an audio signal recorded in a videotape. A video signal processor(202) processes/outputs a VCR playback signal output from the VCR deck. A switch(204) selectively outputs the VCR playback signal and the logo screen. A DVDP(Digital Versatile disk Player) controller(304) subordinated to the VCR controller controls the operation of the DVDP. A logo switch(301) selectively withdraws a VCR logo or a DVD logo from a logo storage(302) by control of the DVDP controller. An MPEG(Moving Picture Experts Group) decoder(303) decodes/outputs the logo of an MPEG format.

Description

LOGO OUTPUT APPARATUS AND METHOD FOR DUAL VIDEO CASSETTE RECORDER AND OPTICAL DISK PLAYER}

The present invention relates to a logo output method of a V-Cal and an optical disc composite player, and in particular, the present invention including the logo of the company, such as when the playback medium is not inserted into the composite player or when the playback is stopped by the user during media playback. The present invention relates to a logo output method of a BC-AL and an optical disc composite player for outputting a logo screen indicating a mode.

In general, a DVD disc is the same size as a compact disc (CD) with a diameter of 12 cm and a thickness of 1.2 mm, but it can store seven times as much data as a CD. Is rapidly replacing storage media, and research is ongoing to improve performance.

In addition, as described above, a DVD disc capable of storing a large amount of data uses an MPEG-2 compression method with an emphasis on image quality, unlike a video CD in which an existing MPEG-1 compression method places a heavy weight on compression. By using this, it is possible to provide an image of a superior level compared to a conventional CD.

In addition, the disc for DVD allocates a space for information including audio, subtitles, and various menus, and enables the user to select a dialogue function to advance the contents, multilingual subtitle processing for up to 32 languages, and It can provide voice processing, digital surround, multi-story feature, multi-angle feature, and parental control feature that can set parental level for each scene.

However, despite the above-mentioned advantages, DVD software is not widely distributed, and there is no easy condition for renting compared to conventional video tapes, and thus, there are many obstacles to the spread of optical disc playback devices (DVD players). Functioned.

Accordingly, in recent years, V-CD and optical disc composite players have been developed that provide convenience in use by organically combining an optical disc player and V-AL and complementing their functions.

V-Cal and Optical Disc Composite Players have several advantages, such as not only allowing you to play back and view the contents of optical discs and video tapes separately, but also to record the contents of optical discs with V-Cal. However, many functions have not been developed to enhance the user's convenience by utilizing the characteristics of the composite player.

As an example, the VR player which is conventionally manufactured separately does not have a function to output a logo screen, but a single optical disc player (eg, a DVD player) has a function that can output a logo screen.

The logo screen output function is an improvement of a function of processing a blue back screen when there is no input of image data, and when there is no input of image data, a still image (or moving image) preset by the manufacturer is displayed. By displaying on the screen, it means the function that prevents the phenomenon that the screen is broken and noise is output by no signal.

In order to output the logo screen in the DVD player as described above, as shown in Fig. 1, any still image (or moving image) compressed by a predetermined digital method (e.g. MPEG-2) is stored in an internal memory (e.g. Flash memory, EEPROM) 101 is stored as a DVD logo screen, and when the optical disc is not inserted or playback is stopped by the user and becomes a no signal output state, the compressed is controlled by the DVDP control unit 103. The logo screen including the video and audio signals is restored through the MPEG decoder 104 and output to the screen.

Therefore, in the conventional case, a DVD player that digitally processes a signal could easily output a logo screen, but a VCR player did not have a function of outputting a logo screen because an analog signal was processed. Even in a multiplayer player, the logo screen is output only in the optical disc (DVD) mode, and only the blue back screen is output in the VCR mode. Compared with the operation, there was no improvement in the technology of the composite player.

Accordingly, the user can only check the current mode of the composite player with reference to an indicator (display means indicating the VCR and DVD mode using LEDs) (not shown) attached to the front side, which is inconvenient to use.

Accordingly, the present invention has been made to solve the above-mentioned conventional problems, and the present invention includes the logo of the company, for example, when the playback medium is not inserted into the composite player, or when the playback is stopped by the user during media playback. It is an object of the present invention to provide a logo output device and method for a VR and optical disc composite player, which outputs a logo screen indicating a mode.

The present invention for achieving the above object, the logo storage unit for storing the DVD logo and the VCR logo together in different memory areas; A logo switching unit which selectively extracts a DVD logo or a VCR logo from a corresponding memory area according to a mode in the logo storage unit; A DVDP control unit for controlling an output of a DVD logo or a VCR logo through reproduction of an optical disc or a logo switching unit according to a mode; And a switching unit for outputting a video signal generated by an optical disc or a VRL regeneration, or outputting a logo image extracted according to a mode in the logo storage unit when the video signal is not output in a power-on state. .

In addition, the present invention for achieving the above object comprises a first step of storing the logo image according to the mode in different address areas in the same memory means; Detecting a current mode when an image signal is not output while the logo image is stored; And a third step of extracting the logo image according to the mode from the corresponding address area of the memory means and outputting it while the video signal is not output.

1 is a block diagram showing a configuration of an optical disc player capable of outputting a conventional logo.

Figure 2 is an exemplary view showing a logo output screen according to the current mode of the composite player according to the present invention.

Figure 3 is a block diagram showing the configuration of the VR and optical disk composite player according to the present invention.

Figure 4 is a flow chart showing a logo output process at the start of the composite player according to the present invention.

Figure 5 is a flow chart showing a logo output process when stopped during playback of the composite player according to the present invention.

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

201: VDE deck unit 202: Image signal processing unit

203: VCR control unit 204: switching unit

301: logo switching unit 302: logo storage unit

303: MPEG decoder 304: DVDP control unit

305: pickup section

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, detailed description of well-known functions and structures which are determined to unnecessarily obscure the subject matter of the present invention will be omitted.

According to the present invention, when the optical disc (DVD) or the VR is started or when the optical disc or the V playback is stopped and the signal is turned off, the present company and the current mode (DVD mode or VCR mode) are shown as shown in FIG. It is for outputting a logo screen indicating. That is, in the DVD mode, the logo screen indicating the DVD mode is output as shown in FIG. 2 (a), and in the VCR mode, the logo screen indicating the VCR mode is output as shown in (b).

At this time, the logo screen may be used for both still and moving pictures, and without having a memory for storing the VCR logo separately, by using the memory for storing the DVD logo jointly, it is possible to reduce the production cost .

That is, the DVD logo is stored in a part of the internal memory (EEPROM) area provided in the optical disc player (DVD player), and the VCR logo is stored in another area of the same memory, and the current mode (DVD mode) of the composite player is stored. Or VCR mode), and extracts and displays the logo from the area where the corresponding logo is stored.

However, the logo screen can only be output from the DVD player which performs digital signal processing. Therefore, when the DVD logo is output from the DVD player, the DVD logo can be directly output instead of the DVD playback signal. In order to output the mode logo, the DVD player outputs the VCR logo and outputs the VCR logo only by switching while the VCR playback unit is in the no-signal state. When the VCR playback signal is output, the VCR playback signal is switched again. Perform the process of printing.

As shown in FIG. 3, a schematic configuration of a V-Cal and an optical disc composite player for outputting a logo according to the current mode of the composite player as described above is illustrated.

Referring to FIG. 3, the present invention provides a VCR control unit 203 for controlling the operation of a VCD playback unit and the overall operation of a composite player in response to a user input of a function key; A VCD deck unit 201 for reproducing video and audio signals recorded on a videotape under the control of the VCR control unit 203; A video signal processor (202) for performing image processing on the V-CAL reproduction signal output from the V-RC deck unit (201) under the control of the VCR controller (203); A switching unit 204 for selectively outputting a V-CAL reproduction signal or a logo screen output from the image signal processing unit 202; A DVDP control unit 304 which is driven by the optical disc reproducing unit and which is dependent on the VCR control unit 203; A logo switching unit (301) for selectively extracting the VCR logo or the DVD logo from the logo storage unit (302) by the control of the DVDP control unit (304); A logo storage unit 302 for storing mode-specific logos (DVD logos, VCR logos) in different predetermined areas; And an MPEG decoder 303 which decodes and outputs an MPEG format logo output from the logo storage unit 302 under the control of the DVDP control unit 304.

Here, the pick-up unit 305, which has not been described, is an apparatus for reproducing an optical disc (DVD). The pick-up unit 305 reads a video signal stored in the optical disc and outputs it to the MPEG decoder 303.

Hereinafter, the operation and effect of the device configured as described above will be described.

In the present invention, the VCR reproducing unit including the VCR control unit 203 and the VCR deck unit 201 includes a logo screen and the image in addition to the image signal processing unit 202 for processing and outputting a video signal recorded on a videotape to a screen. The apparatus may further include a switching unit 204 for selectively outputting one of the signals processed by the signal processing unit 202.

That is, the VCR controller 203 controls the DVDP controller 304, which is a slave processor, as a master processor of the composite player, so that not only the VCR player but also the optical disc player (DVD player) are simultaneously held. The VCR player does not include any additional hardware for logo output, and when the logo is output, the DVD player is controlled to output the VCR logo, and the switching unit 204 receives the VCR logo and receives the VCR logo. The output is temporarily output until the playback signal is output (during no signal state), and when the VCR playback signal starts to be output, it is switched to output the VCR playback signal to the screen.

As described above, in the present invention, when the VCR playback unit is started or stopped during playback, the optical disc playback unit is controlled to output the VCR logo, and the VCR logo is temporarily output by a switching method. The technique which makes it possible to output a reproduction signal to the screen is the subject.

That is, the VCR logo is additionally stored in another address area of the logo storage unit 302 which previously stored only the DVD logo, and according to whether the current mode is the DVD mode or the VCR mode, the logo stored in the corresponding address area is extracted. When outputting, the switching unit outputs the VCR logo by switching until the VCR playback signal is output in the VCR mode, thereby enabling logo output according to the mode even in the VCR mode.

Then, the method of outputting the logo according to the present invention will be described in more detail with reference to the flowcharts of FIGS. 4 and 5.

First, FIG. 4 is a flowchart showing a logo output process at startup (power on) of the composite player according to the present invention. When the composite player of the present invention is powered on (S101), the final mode at power off is detected. (S102).

That is, it is detected whether the mode at power off was a DVD mode or a VCR mode, and the final mode at power off is set to the current mode as it is.

Therefore, when the current mode is the DVD mode (S103), the DVDP control unit 304 extracts and outputs the DVD logo stored in the logo storage unit 302 (S104), and when the current mode is the VCR mode (S103). The VCR logo stored in another area of the logo storage unit 302 is extracted and output (S105).

Next, although the process after the logo output is not shown in detail in FIG. 4, when the user presses the play button, when the current mode is the DVD mode, a media (DVD) playback screen is output instead of the DVD logo. If the mode is the VCR mode, the VCR control unit 203 controls the switching unit 204 to switch to the VCR playback signal output from the VCR playback unit instead of the VCR logo output from the DVD playback unit to output to the screen.

Next, FIG. 5 is a flowchart illustrating a logo output process during stop of media playback of the composite player according to the present invention. When the playback stop key is input (S201) while the media is currently being played (S202), the current mode is detected. (S203).

That is, if the mode at the time of inputting the playback stop key is the DVD mode or the VCR mode is detected, and if the current mode is the DVD mode (S204), the DVDP controller 304 stores the DVD logo stored in the logo storage unit 302. If the current mode is the VCR mode (S204), the VCR logo stored in another area of the logo storage unit 302 is similarly extracted and output (S206).

That is, when the composite player is in the no signal state, the logo according to the mode is output. When the play button is input by the user again, when the current mode is the DVD mode, the media (DVD) playback screen is output instead of the DVD logo. If the current mode is the VCR mode, the VCR controller 203 controls the switching unit 204 to switch to the VCR playback signal output from the VCR playback unit instead of the VCR logo output from the DVD playback unit to output the screen.

The concepts and specific embodiments of the present invention described above may be used by those skilled in the art as a basis for modifying or designing other structures for carrying out similar purposes as the present invention.

As described above, the logo output apparatus and method of the VR and the optical disc composite player of the present invention may be a logo of the company, for example, when the reproduction medium is not inserted into the composite player or the reproduction is stopped by the user during the reproduction of the medium. By outputting a logo screen indicating the current mode, including, the user can easily recognize the current mode of the composite player to increase the convenience, it is effective to advertise the company image to the operator.

Claims (3)

For V-Cal and Optical Disc Composite Players, A logo storage unit for storing the DVD logo and the VCR logo together in different memory areas; A logo switching unit which selectively extracts a DVD logo or a VCR logo from a corresponding memory area according to a mode in the logo storage unit; A DVDP control unit for controlling an output of a DVD logo or a VCR logo through reproduction of an optical disc or a logo switching unit according to a mode; And a switching unit for outputting an image signal by optical disk or V-Cal reproduction, or outputting a logo image extracted according to a mode in the logo storage unit when the image signal is not output in a power-on state. Logo output device for V-Cal and Optical Disc Composite Player. In outputting the logo according to the mode in the VCD and the optical disc composite player, A first step of storing logo images according to modes in different address areas in the same memory means; Detecting a current mode when an image signal is not output while the logo image is stored; And a third step of extracting the logo image according to the mode from the corresponding address area of the memory means and outputting the video signal while the image signal is not output. The image according to claim 2, wherein the logo image according to the mode does not output a video signal when the video signal is not output when the video signal is not output due to a stop during media playback and a video signal that is not yet valid during media playback. And a logo output method in the VR and optical disc composite player.