JP2008035046A - Video output system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a video output system capable of more satisfactorily adjusting picture quality according to the classification of the type of external equipment and content or the like. <P>SOLUTION: This digital television 200 includes: an in-television database 12 in which equipment information for classifying external equipment and equipment image adjustment information for adjusting picture quality in the case of outputting content to be transmitted from the external equipment are stored so as to be associated with each other, and the content information for classifying the content and the content picture quality adjustment information for adjusting picture quality in the case of outputting the content are stored so as to be associated with each other; an adjustment information acquisition program 13G for making a CPU 10 acquire equipment picture quality adjustment information associated with the equipment information of the external equipment which transmits content and content picture quality adjustment information corresponding to the content information of the content from the in-television database 12; and a picture quality adjustment program 13H for making the CPU 10 perform picture quality adjustment based on comprehensive picture quality adjustment information calculated based on the equipment picture quality adjustment information and the content picture quality adjustment information. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a video output system.

  2. Description of the Related Art Conventionally, there are known content playback systems and playback devices that perform image quality adjustment when playing back content. For example, a playback system is also known in which content data to be played back is transmitted to a management server on the network, the management server analyzes the image quality characteristics of the content, and adjusts the image quality of the playback device based on the analysis result (for example, Patent Document 1). Also, a playback device is known that stores a keyword and an image quality adjustment parameter in association with each other and adjusts the image quality based on the image quality adjustment parameter corresponding to the keyword included in the EPG data of the content to be played back ( For example, Patent Document 2). There is also known a playback device that adjusts image quality based on image quality characteristics stored in advance in content stored in the optical disc (for example, Patent Document 3).

By the way, a video output system is known in which an external device such as a CS tuner, a DVD player, a VCR, or a game machine is connected to a digital television, and an image based on content data transmitted from the external device is output to the digital television. Yes.
JP 2003-158703 A JP 2005-94072 A JP 2005-295437 A

  However, the optimum values of image quality adjustment values such as brightness, contrast, hue, response speed, and screen size of the digital TV differ depending on the types of external devices connected to the digital TV and the type of content. Each time content data transmitted from an external device is output or each time different content data is output, it is necessary for the user to individually set an optimum image quality adjustment value, which is troublesome. Since the inventions described in Patent Documents 1-3 perform image quality adjustment based only on the image quality characteristics of content, this problem cannot be solved.

  An object of the present invention is to provide a video output system that can be adjusted to a better image quality according to the classification of external devices and content types.

The invention according to claim 1 is a video output system comprising: an external device; and a television device that is connected to the external device and outputs a video based on content data transmitted by the external device.
The television device includes:
Corresponding to predetermined device information for classifying the external device and device image adjustment information for adjusting the image quality when video based on content data transmitted by the external device is output on the television device And storing predetermined content information for classifying the content and content image quality adjustment information for adjusting image quality when video based on the content data of the content is output on the television device Storage means for storing together,
Acquisition means for acquiring the device information and the device image quality adjustment information, the content information and the content image quality adjustment information;
Updating means for updating the storage means based on the device information and the device image quality adjustment information acquired by the acquisition means, and the content information and the content image quality adjustment information;
When outputting video based on content data transmitted by the external device, device image quality adjustment information corresponding to device information of the external device and content image quality adjustment information corresponding to content information of the content are stored in the storage unit. Adjustment information acquisition means to acquire from,
Based on the device image quality adjustment information and the content image quality adjustment information acquired by the adjustment information acquisition unit, total image quality adjustment information is calculated by a predetermined calculation, and image quality adjustment is performed based on the total image quality adjustment information. Image quality adjustment means;
Capacity updating means for confirming whether or not the storage capacity of the storage means is sufficient for the information to be updated when the storage means is updated by the update means;
Selection means for allowing the user to select necessary information from the information acquired by the acquisition means when the capacity confirmation means determines that the storage capacity of the storage means is not sufficient for the information to be updated; ,
With
The updating means updates the storage means when the capacity confirmation means determines that the storage capacity of the storage means is sufficient for the information to be updated, and the capacity confirmation means When it is determined that the storage capacity of the storage unit is not sufficient for the information to be updated, the storage unit is updated by storing the information selected by the selection unit in the storage unit. It is said.

The invention according to claim 2 is a video output system comprising: an external device; and a video output device that is connected to the external device and outputs a video based on content data transmitted by the external device.
The video output device
Corresponding to predetermined device information for classifying the external device and device image adjustment information for adjusting the image quality when the video output device outputs video based on content data transmitted by the external device And storing predetermined content information for classifying the content and content image quality adjustment information for adjusting image quality when video based on content data of the content is output in the video output device Storage means for storing together,
When outputting video based on content data transmitted by the external device, device image quality adjustment information corresponding to device information of the external device and content image quality adjustment information corresponding to content information of the content are stored in the storage unit. Adjustment information acquisition means to acquire from,
Based on the device image quality adjustment information and the content image quality adjustment information acquired by the adjustment information acquisition unit, total image quality adjustment information is calculated by a predetermined calculation, and image quality adjustment is performed based on the total image quality adjustment information. Image quality adjustment means;
It is characterized by having.

The invention described in claim 3 is the video output system according to claim 2,
The video output device
Acquisition means for acquiring the device information and the device image quality adjustment information, the content information and the content image quality adjustment information;
Updating means for updating the storage means based on the device information and the device image quality adjustment information acquired by the acquisition means, and the content information and the content image quality adjustment information;
It is characterized by having.

According to a fourth aspect of the present invention, in the video output system according to the third aspect,
The video output device
Capacity updating means for confirming whether or not the storage capacity of the storage means is sufficient for the information to be updated when the storage means is updated by the update means;
The update means updates the storage means when the capacity confirmation means determines that the storage capacity of the storage means is sufficient for the information to be updated.

The invention described in claim 5 is the video output system according to claim 4,
The video output device
A selection unit that allows a user to select necessary information from the information acquired by the acquisition unit when the capacity confirmation unit determines that the storage capacity of the storage unit is not sufficient for the information to be updated; Prepared,
The update means updates the storage means by storing the information selected by the selection means in the storage means.

  According to the first aspect of the present invention, in the television device, the storage device stores the predetermined device information for classifying the external device and the video based on the content data transmitted by the external device. Device image adjustment information for adjusting the image quality at the time of output in association with each other, and storing the predetermined content information for classifying the content and video based on the content data of the content in the television device Is stored in association with content image quality adjustment information for adjusting the image quality at the time of output, and when the video based on the content data transmitted by the external device is output, the adjustment information acquisition means causes the external device to Device image quality adjustment information corresponding to the device information and the content information of the content. Content image quality adjustment information to be acquired from the storage means, and based on the device image quality adjustment information and the content image quality adjustment information acquired by the image quality adjustment means, the overall image quality adjustment information is calculated by a predetermined calculation. Since the image quality adjustment is performed based on the comprehensive image quality adjustment information, the image quality adjustment according to the classification of the external device and the content type is performed, so that the classification of the external device and the content type is performed. The image quality can be adjusted accordingly.

  In the television apparatus, the acquisition unit acquires the device information and the device image quality adjustment information, the content information and the content image quality adjustment information, and the update unit acquires the device information and the device image quality adjustment information acquired by the acquisition unit. Since the storage unit is updated based on the content information and the content image quality adjustment information, the device information and the device image quality adjustment information stored in the storage unit and the content information and the content image quality adjustment information are kept new. Even when a new external device is connected or content data of a new content is transmitted, the image quality adjustment can be suitably performed.

  Further, in the television device, when the storage means is updated by the update means by the capacity confirmation means, it is confirmed whether or not the storage capacity of the storage means is sufficient for the information to be updated. When the capacity confirmation means determines that the storage capacity of the storage means is sufficient for the information to be updated, the storage means is updated, so that the storage capacity of the storage means becomes insufficient and an error occurs. Can be prevented.

  In the television apparatus, when the selection unit determines that the storage capacity of the storage unit is not sufficient for the information to be updated by the selection unit, the necessary information from the information acquired by the acquisition unit The updating unit updates the storage unit by storing the information selected by the selection unit in the storage unit, so that only the information that needs to be updated can be selected to update the storage unit. As a result, the use efficiency of the storage capacity can be improved.

  According to the second aspect of the present invention, in the video output device, the video output device displays the video based on the predetermined device information for classifying the external device and the content data transmitted by the external device by the storage unit. Device image adjustment information for adjusting the image quality at the time of output in association with each other, and storing predetermined image information for classifying content and video based on content data of the content in the video output device Is stored in association with content image quality adjustment information for adjusting the image quality at the time of output, and when the video based on the content data transmitted by the external device is output, the adjustment information acquisition unit causes the external device to Device image quality adjustment information corresponding to the device information and the content corresponding to the content information of the content. Image quality adjustment information is acquired from the storage means, and the image quality adjustment means calculates the overall image quality adjustment information by a predetermined calculation based on the device image quality adjustment information and the content image quality adjustment information acquired by the adjustment information acquisition means. Since the image quality adjustment is performed based on the comprehensive image quality adjustment information, the image quality adjustment according to the classification of the external device and the content type is performed, and the image quality adjustment is performed according to the classification of the external device and the content type. Can be adjusted to better image quality.

  According to the third aspect of the present invention, it is possible to obtain the same effect as that of the second aspect of the invention. The content information and the content image quality adjustment information are acquired, and the update unit updates the storage unit based on the device information and the device image quality adjustment information acquired by the acquisition unit and the content information and the content image quality adjustment information. Therefore, the device information and device image quality adjustment information, the content information and the content image quality adjustment information stored in the storage means can be kept as new information, and a new external device can be connected or content data of new content can be stored. Even if it is transmitted, image quality adjustment can be suitably performed.

  According to the invention described in claim 4, the same effect as that of the invention described in claim 3 can be obtained. In particular, in the video output device, the storage means is updated by the update means by the capacity confirmation means. Is performed, it is confirmed whether or not the storage capacity of the storage unit is sufficient for the information to be updated, and the update unit determines whether the storage capacity of the storage unit is updated by the capacity verification unit. When it is determined that the storage unit is sufficient, the storage unit is updated, so that it is possible to prevent an error from occurring due to insufficient storage capacity of the storage unit.

  According to the invention described in claim 5, the same effect as that of the invention described in claim 4 can be obtained. In particular, in the video output apparatus, the selection means, the capacity confirmation means, When it is determined that the storage capacity is not sufficient for the information to be updated, the user selects necessary information from the information acquired by the acquisition unit, and the update unit stores the information selected by the selection unit. By storing in the means, the storage means is updated, so that only the information that needs to be updated can be selected and the storage means can be updated, and the use efficiency of the storage capacity can be improved.

  Hereinafter, the best mode for carrying out a video output system according to the present invention will be described in detail with reference to the drawings.

(First embodiment)
First, the video output system 1000 according to the first embodiment of the present invention includes, for example, an external device 100,... And a video based on content data that is connected to the external device 100 and transmitted by the external device 100. Digital TV 200 (video output device, television device), a server 300 connected to the digital TV 200 via a network, and the like.
Also, the external devices 100,... And the digital television 200 are connected by a network such as DLNA (Digital Living Network Alliance). The digital television 200 and the server 300 are connected by a network such as WAN.

For example, the server 300 includes a database 301.
The database 301 is configured to include, for example, an HDD and the like, as shown in FIG. 2, a predetermined device information for classifying the external device 100 and a video based on content data transmitted by the external device 100 are displayed. The device image quality adjustment information for adjusting the image quality at the time of output in the digital television 200 is stored in association with each other, and the predetermined content information for sharing the content and the video based on the content data of the content are Content image quality adjustment information for adjusting image quality at the time of output in the digital television 200 is stored in association with each other.

Here, as the predetermined device information, for example, as shown in FIG. 2, device type information such as HDD, DVD, broadcast, VCR, manufacturer information such as Company A, Company B, Company C, etc., A100, XV-10 , BK001 and the like device names.
In addition, as the predetermined content information, for example, as shown in FIG. 2, content type information such as movies, music, sports, news, etc., manufacturer information such as Company X, MMTV, NNHK, CCNN, Max, MIISIA, Grand Sumo, Title information such as xx news is included.
The device image quality adjustment information and content image quality adjustment information include, for example, color information, luminance information, contrast information, hue information, response speed information, screen size, and the like.

  For example, as shown in FIG. 3, the digital television 200 includes an antenna 1, a tuner unit 2, a demodulation unit 3, a separation unit 4, a decoder 5, a communication unit 6, a remote control receiving circuit 7, a remote control R, a display unit 8, and a speaker 9. , A CPU (Central Processing Unit) 10, a RAM (Random Access Memory) 11, a television database 12, a storage unit 13, and the like.

  The antenna 1 is, for example, a parabolic antenna, a UHF antenna, or the like, receives a broadcast wave including content data such as terrestrial digital broadcast and BS / CS broadcast, and receives RF (such as terrestrial digital signal and BS / CS broadcast signal). Radio Frequency) signal is output to the tuner unit 2. When content data is received via a CATV line, a connection cable (not shown) or the like may be provided. Further, for example, the content data of the physical channel included in the broadcast wave is multiplexed by the MPEG2-TS method.

  The tuner unit 2 includes a mixer (not shown), a channel selection circuit (not shown), an A / D conversion circuit (not shown), and the like. The RF input from the antenna 1 by the mixer, the channel selection circuit, and the like. The signal is converted into an IF (Intermediate Frequency) signal of a channel desired by the user, and the generated IF signal is converted into content data which is a digital signal by an A / D conversion circuit.

  The demodulator 3 performs, for example, a demodulation process on the content data input from the tuner unit 2 and outputs the result to the separator 4.

  For example, the separation unit 4 separates the content data input from the demodulation unit 3 into video data, audio data, and PSI / SI (Program Specific Information / Service Information) and outputs the data to the decoder 5.

  The decoder 5 performs a decoding process on the video data and audio data input from the separation unit 4 and outputs them to the display unit 8 and the speaker 9.

  For example, the communication unit 6 performs communication between the external devices 100,... And the digital television 200, and also performs communication between the digital television 200 and the server 300.

  For example, the remote control receiving circuit 7 outputs an operation signal output from the remote control R to the CPU 10. More specifically, the remote control receiving circuit 7 converts the infrared signal from the remote control R into an electrical signal and outputs it to the CPU 10.

The remote controller R includes, for example, various keys for inputting various operation signals, and outputs various operation signals to the CPU 10 via the remote control reception circuit 7 when operated by the user.
For example, the remote controller R outputs an operation signal for selecting necessary information as information for updating the television database 12 to be described later to the CPU 10 via the remote controller receiving circuit 7.

  The display unit 8 includes, for example, a liquid crystal display, a plasma display, and the like, and performs image quality adjustment based on video data (content data) in accordance with an instruction from the CPU 10 and displays the video.

  The speaker 9 outputs sound based on audio data (content data), for example, in accordance with an instruction from the CPU 10.

  The CPU 10 reads the processing program stored in the storage unit 13, develops it in the RAM 11 and executes it, thereby controlling the entire digital television 200.

  The RAM 11 expands a processing program executed by the CPU 10 in a program storage area in the RAM 11 and stores input data and a processing result generated when the processing program is executed in the data storage area.

  The in-television database 12 includes, for example, an HDD and stores device information and device image quality adjustment information in association with each other, and stores content information and content image quality adjustment information in association with each other as storage means. Function.

  The storage unit 13 includes, for example, a recording medium (not shown) in which programs, data, and the like are stored in advance, and this recording medium is configured by, for example, a semiconductor memory. In addition, the storage unit 13 stores various data, various processing programs, data processed by executing these programs, and the like for the CPU 10 to realize a function of controlling the entire digital television 200. More specifically, for example, as shown in FIG. 3, the storage unit 13 includes an update confirmation program 13A, an acquisition program 13B, a capacity confirmation program 13C, an automatic selection program 13D, a manual selection program 13E, an update program 13F, and adjustment information. An acquisition program 13G, an image quality adjustment program 13H, and the like are stored.

  The update confirmation program 13A, for example, realizes a function of causing the CPU 10 to periodically control the communication unit 6 to access the database 301 of the server 300 and determine whether or not the contents of the database 301 have been updated. It is a program to let you.

  For example, when the acquisition program 13B determines that the content of the database 301 of the server 300 has been updated by executing the update confirmation program 13A on the CPU 10, for example, the acquisition program 13B controls the communication unit 6 to update the database 301 of the server 300. Device information, device image quality adjustment information, content information and content image quality adjustment information stored in the database 301, and device information, device image quality adjustment information, content information and content image quality stored in the in-television database 12. This is a program that realizes a function of comparing adjustment information and acquiring information as the update information as a difference. The CPU 10 functions as an acquisition unit together with the communication unit 6 by executing the acquisition program 13B.

  The capacity confirmation program 13C is a program that, for example, causes the CPU 10 to realize a function of confirming whether or not the storage capacity of the in-television database 12 is sufficient for the update information obtained by executing the acquisition program 13B. is there. The CPU 10 functions as a capacity confirmation unit by executing the capacity confirmation program 13C.

When the automatic selection program 13D determines that the storage capacity of the in-television database 12 is not sufficient for the update information acquired by the acquisition program 13B, for example, by executing the capacity confirmation program 13C on the CPU 10. This is a program that realizes a function of selecting information necessary for updating the television database 12 from the update information.
More specifically, the automatic selection program 13D, for example, from the update information acquired by executing the acquisition program 13B in the CPU 10, the device names of the external devices 100 connected to the digital television 200, for example. To realize the function of selecting device information and device image quality adjustment information corresponding to, and / or selecting content information and content image quality adjustment information corresponding to content type information of content data output to the digital television 200 in the past. It is a program.

  For example, the manual selection program 13E causes the CPU 10 to control the display unit 8 to display a list of update information acquired by executing the acquisition program 13B and to select information selected by executing the automatic selection program 13D For example, whether or not an operation signal for selecting information other than the information selected by executing the automatic selection program 13D is input from the remote control R via the remote control receiving circuit 7 by displaying a mark such as a check mark. Alternatively, the in-television database 12 is updated with the information selected by executing the automatic selection program 13D by determining whether or not an operation signal for reducing the information selected by executing the automatic selection program 13D is input. To execute the automatic selection program 13D. When it is determined that an operation signal for selecting information other than the selected information is input or an operation signal for reducing the information selected by executing the automatic selection program 13D is input, the automatic selection program 13D It is determined that the in-television database 12 should not be updated with the information selected by executing, and based on the operation signal input from the remote controller R, the in-television database 12 is updated from the update information acquired by executing the acquisition program 13B. This is a program for realizing a function of selecting information for updating the database 12. The CPU 10 functions as a selection unit together with the display unit 8 and the remote controller R by executing the manual selection program 13E.

The update program 13F is a program that, for example, causes the CPU 10 to realize a function of updating the television database 12 based on update information acquired by executing the acquisition program 13B.
More specifically, for example, when the update program 13F determines that the storage capacity of the in-TV database 12 is sufficient for the update information by executing the capacity check program 13C in the CPU 10, for example, the update information The automatic selection program 13D and the manual selection program are updated when it is determined that the storage capacity of the television database 12 is not sufficient for the update information by updating the television database 12 based on the 13E is a program that realizes a function of updating the television database 12 based on information selected by executing 13E.
The CPU 10 functions as an update unit by executing the update program 13F.

  The adjustment information acquisition program 13G, for example, when the content data transmitted from the external device 100 connected to the digital television 200 is output to the CPU 10 by the digital television 200, the device corresponding to the device information of the external device 100 This is a program for realizing a function of acquiring image quality adjustment information and content image quality adjustment information corresponding to the content information of the content from the in-TV database 12. The CPU 10 functions as an adjustment information acquisition unit by executing the adjustment information acquisition program 13G.

The image quality adjustment program 13H, for example, calculates the overall image quality adjustment information by a predetermined calculation based on the device image quality adjustment information and the content image quality adjustment information acquired by executing the adjustment information acquisition program 13G in the CPU 10, This is a program for realizing a function of performing image quality adjustment based on the overall image quality adjustment information.
More specifically, the image quality adjustment program 13H, for example, calculates an average value after weighting the device image quality adjustment information and the content image quality adjustment information acquired by executing the adjustment information acquisition program 13G in the CPU 10. The average value is set as the total image quality adjustment information, and the display unit 8 is controlled to realize a function of adjusting the image quality based on the total image quality adjustment information.
The CPU 10 functions as image quality adjustment means by executing the image quality adjustment program 13H.

Next, an example of the update operation of the television database 12 in the video output system 1000 according to the first embodiment of the present invention having the above-described configuration will be described with reference to the flowchart shown in FIG.
First, by executing the update confirmation program 13A, the CPU 10 periodically controls the communication unit 6 to access the database 301 of the server 300 and determines whether the contents of the database 301 have been updated. (Step S1).

In step S1, when the CPU 10 determines that the contents of the database 301 are not updated (step S1; No), the CPU 10 periodically repeats the process of step S1.
If the CPU 10 determines in step S1 that the contents of the database 301 have been updated (step S1; Yes), the CPU 10 executes the acquisition program 13B to thereby store the device stored in the database 301 of the server 300. Information, device image quality adjustment information, content information, content image quality adjustment information, device information, device image quality adjustment information, content information, and content image quality adjustment information stored in the television database 12, and Is obtained as update information (step S2).

  Next, the CPU 10 executes the capacity check program 13C to check whether the storage capacity of the in-television database 12 is sufficient for the update information acquired by executing the acquisition program 13B ( Step S3).

In step S3, when the CPU 10 determines that the storage capacity of the in-television database 12 is sufficient for the update information (step S3; Yes), the CPU 10 executes the update program 13F to execute the update program 13F. The television database 12 is updated based on the update information (step S4), and this process is terminated.
In step S3, when the CPU 10 determines that the storage capacity of the in-TV database 12 is not sufficient for the update information (step S3; No), the CPU 10 executes the automatic selection program 13D, From the update information acquired in step S2, device information and device image quality adjustment information corresponding to the device names of the external devices 100 connected to the digital television 200 are selected and / or the digital television 200 is selected. The content information and the content image quality adjustment information corresponding to the content type information of the content data output in the past are selected (step S5).

  Next, the CPU 10 controls the display unit 8 by executing the manual selection program 13E to display a list of update information acquired by executing the acquisition program 13B, and executes the automatic selection program 13D. For example, a mark such as a check mark is displayed on the selected information (step S6).

  Next, based on the execution of the manual selection program 13E, the CPU 10 uses the information selected by executing the automatic selection program 13D based on the operation signal input from the remote control R via the remote control receiving circuit 7 in the television. It is determined whether or not the database 12 can be updated (step S7).

If the CPU 10 determines in step S7 that the television database 12 can be updated with the information selected by executing the automatic selection program 13D (step S7; Yes), the CPU 10 executes the update program 13F. As a result, the television database 12 is updated based on the information selected in step S5 (step S8), and this process ends.
If the CPU 10 determines in step S7 that the television database 12 should not be updated with the information selected by executing the automatic selection program 13D (step S7; No), the CPU 10 selects the manual selection program 13E. Is selected based on the operation signal input from the remote control R via the remote control receiving circuit 7 to update the in-TV database 12 from the update information acquired by executing the acquisition program 13B. (Step S9).

  Next, the CPU 10 executes the update program 13F to update the television database 12 based on the information selected in step S9 (step S10), and ends this process.

Next, an example of the image quality adjustment operation in the video output system 1000 according to the first embodiment of the present invention will be described with reference to the flowchart shown in FIG.
First, when content is reproduced in the external device 100 (step S101) and device information and content information are input from the external device 100 (step S102), the CPU 10 executes the adjustment information acquisition program 13G, thereby The device image quality adjustment information corresponding to the device information and the content image quality adjustment information corresponding to the content information are acquired from the television database 12 (step S103).

  Next, the CPU 10 executes the image quality adjustment program 13H to calculate an average value after weighting the device image quality adjustment information and the content image quality adjustment information acquired in step S103, and the average value is calculated as the total image quality adjustment. Information is controlled, and the display unit 8 is controlled to perform image quality adjustment based on the total image quality adjustment information (step S104), and the process is terminated.

  According to the video output system 1000 according to the first embodiment of the present invention described above, in the digital television 200, predetermined device information for classifying the external devices 100,. In addition, device image adjustment information for adjusting the image quality when the video based on the content data transmitted by the external device 100 is output on the digital television 200 is stored in association with each other and the content is classified. Predetermined content information and content image quality adjustment information for adjusting image quality when video based on content data of the content is output on the digital television 200 are stored in association with each other and transmitted by the external device 100. When outputting a video based on the content data, the CPU 10 By executing the adjustment information acquisition program 13G, device image quality adjustment information corresponding to the device information of the external device 100 and content image quality adjustment information corresponding to the content information of the content are acquired from the in-TV database 12, and the CPU 10 By executing the image quality adjustment program 13H, based on the device image quality adjustment information and the content image quality adjustment information acquired by executing the adjustment information acquisition program 13G, the overall image quality adjustment information is calculated by a predetermined calculation. Since the image quality adjustment is performed based on the total image quality adjustment information, the image quality adjustment according to the classification of the external device 100,... It can be adjusted to better image quality according to the type of content

  In the digital television 200, the CPU 10 executes the acquisition program 13B to acquire device information and device image quality adjustment information, content information and content image quality adjustment information, and the CPU 10 executes the update program 13F. Since the television database 12 is updated based on the acquired device information and device image quality adjustment information, content information and content image quality adjustment information, device information and device image quality adjustment information stored in the television database 12; Content information and content image quality adjustment information can be kept new, and image quality adjustment can be suitably performed even when a new external device 100 is connected or content data of a new content is transmitted.

  Further, in the digital television 200, when the CPU 10 executes the capacity confirmation program 13C, when the update program 13F is executed to update the television database 12, the information stored in the television database 12 is updated. If the CPU 10 determines that the storage capacity of the in-TV database 12 is sufficient for the information to be updated by executing the capacity check program 13C, Since the update program 13F is executed to update the television database 12, it is possible to prevent an error from occurring due to insufficient storage capacity of the television database 12.

  Further, in the digital television 200, the CPU 10 executes the manual selection program 13E, thereby executing the capacity confirmation program 13C, thereby determining that the storage capacity of the television database 12 is not sufficient for the information to be updated. In this case, by causing the user to select necessary information from the information acquired by executing the acquisition program 13B, and storing the information selected by the user in the television database 12 by executing the update program 13F, Since the in-TV database 12 is updated, only the information that needs to be updated can be selected to update the in-TV database 12, and the use efficiency of the storage capacity can be improved.

(Second Embodiment)
The video output system 2000 according to the second embodiment of the present invention does not include the server 300 as shown in FIGS. 6 and 7, for example, and only the configuration of the digital television 201 is the video output according to the first embodiment. Since it is different from the system 1000, the same components are denoted by the same reference numerals and description thereof is omitted.

  For example, as shown in FIG. 3, the digital television 201 includes an antenna 1, a tuner unit 2, a demodulation unit 3, a separation unit 4, a decoder 5, a communication unit 60, a remote control receiving circuit 7, a remote control R, a display unit 8, and a speaker 9. , A CPU (Central Processing Unit) 10, a RAM (Random Access Memory) 11, a television database 12, a storage unit 130, a memory slot 14, and the like.

  The communication unit 60 performs communication between the external devices 100,... And the digital television 201, for example.

  The memory slot 14 reads, for example, device information and device image quality adjustment information, content information and content image quality adjustment information stored in the memory card.

  The storage unit 130 includes, for example, a recording medium (not shown) in which programs, data, and the like are stored in advance, and this recording medium is configured by, for example, a semiconductor memory. In addition, the storage unit 130 stores various data, various processing programs, data processed by executing these programs, and the like for realizing a function for the CPU 10 to control the entire digital television 201. More specifically, for example, as shown in FIG. 7, the storage unit 130 includes an acquisition program 130B, a capacity confirmation program 13C, an automatic selection program 13D, a manual selection program 13E, an update program 13F, an adjustment information acquisition program 13G, an image quality, The adjustment program 13H and the like are stored.

  The acquisition program 130B is, for example, the device information and device image quality adjustment information and content information and content image quality adjustment information read from the memory card by the memory slot 14 in the CPU 10, and the device information and device stored in the in-television database 12. This is a program that realizes a function of comparing image quality adjustment information with content information and content image quality adjustment information, and acquiring information that is the difference as update information. The CPU 10 functions as an acquisition unit together with the memory slot 14 by executing the acquisition program 130B.

Next, an example of the update operation of the in-TV database 12 in the video output system 2000 according to the second embodiment of the present invention having the above-described configuration will be described with reference to the flowchart shown in FIG.
First, when a memory card is inserted into the memory slot 14 and device information and device image quality adjustment information, content information and content image quality adjustment information stored in the memory card by the memory slot 14 are read (step S201), By executing the acquisition program 130B, the CPU 10 executes device information, device image quality adjustment information, content information and content image quality adjustment information read by the memory slot 14, and device information and device image quality stored in the television database 12. The adjustment information is compared with the content information and the content image quality adjustment information, and information that is the difference is acquired as update information (step S202).

  Next, the CPU 10 executes the capacity check program 13C to check whether the storage capacity of the in-television database 12 is sufficient for the update information acquired by executing the acquisition program 130B ( Step S203).

In step S203, when the CPU 10 determines that the storage capacity of the in-television database 12 is sufficient for the update information (step S203; Yes), the CPU 10 executes the update program 13F to execute the update program 13F. The in-TV database 12 is updated based on the update information (step S204), and this process ends.
In step S203, when the CPU 10 determines that the storage capacity of the in-television database 12 is not sufficient for the update information (step S203; No), the CPU 10 executes the automatic selection program 13D, thereby From the update information acquired in step S202, device information and device image quality adjustment information corresponding to the device names of the external devices 100 connected to the digital television 201 are selected and / or the digital television 201 is selected. In step S205, content information and content image quality adjustment information corresponding to the content type information of the content data output in the past are selected.

  Next, the CPU 10 controls the display unit 8 by executing the manual selection program 13E to display a list of update information acquired by executing the acquisition program 130B, and executes the automatic selection program 13D. For example, a mark such as a check mark is displayed on the selected information (step S206).

  Next, based on the execution of the manual selection program 13E, the CPU 10 uses the information selected by executing the automatic selection program 13D based on the operation signal input from the remote control R via the remote control receiving circuit 7 in the television. It is determined whether or not the database 12 can be updated (step S207).

In step S207, when the CPU 10 determines that the television database 12 can be updated with the information selected by executing the automatic selection program 13D (step S207; Yes), the CPU 10 executes the update program 13F. As a result, the television database 12 is updated based on the information selected in step S205 (step S208), and this process is terminated.
In step S207, when the CPU 10 determines that the television database 12 should not be updated with the information selected by executing the automatic selection program 13D (step S207; No), the CPU 10 determines that the manual selection program 13E. Is selected based on the operation signal input from the remote control R via the remote control receiving circuit 7 and the information for updating the television database 12 is selected from the update information acquired by executing the acquisition program 130B. (Step S209).

  Next, the CPU 10 executes the update program 13F to update the television database 12 based on the information selected in step S209 (step S210), and ends this process.

  Note that the image adjustment operation in the video output system 2000 according to the second embodiment is the same as the image adjustment operation in the video output system 1000 according to the first embodiment.

  According to the video output system 2000 according to the second embodiment of the present invention described above, in the digital television 201, predetermined device information for classifying the external devices 100,. For associating and storing device image adjustment information for adjusting the image quality when the video based on the content data transmitted by the external device 100 is output on the digital television 201, and for classifying the content Predetermined content information and content image quality adjustment information for adjusting image quality when video based on content data of the content is output on the digital television 201 are stored in association with each other and transmitted by the external device 100. When outputting a video based on the content data, the CPU 10 By executing the adjustment information acquisition program 13G, device image quality adjustment information corresponding to the device information of the external device 100 and content image quality adjustment information corresponding to the content information of the content are acquired from the in-TV database 12, and the CPU 10 By executing the image quality adjustment program 13H, based on the device image quality adjustment information and the content image quality adjustment information acquired by executing the adjustment information acquisition program 13G, the overall image quality adjustment information is calculated by a predetermined calculation. Since the image quality adjustment is performed based on the total image quality adjustment information, the image quality adjustment according to the classification of the external device 100,... It can be adjusted to better image quality according to the type of content

  In the digital television 201, the CPU 10 executes the acquisition program 130B to acquire device information and device image quality adjustment information, content information and content image quality adjustment information, and the CPU 10 executes the update program 13F. Since the television database 12 is updated based on the acquired device information and device image quality adjustment information, content information and content image quality adjustment information, device information and device image quality adjustment information stored in the television database 12; Content information and content image quality adjustment information can be kept new, and image quality adjustment can be suitably performed even when a new external device 100 is connected or content data of a new content is transmitted.

  Further, in the digital television 201, when the CPU 10 executes the capacity confirmation program 13C, when the update program 13F is executed to update the television database 12, the information stored in the television database 12 is updated. If the CPU 10 determines that the storage capacity of the in-TV database 12 is sufficient for the information to be updated by executing the capacity check program 13C, Since the update program 13F is executed to update the television database 12, it is possible to prevent an error from occurring due to insufficient storage capacity of the television database 12.

  Further, in the digital television 201, the CPU 10 executes the manual selection program 13E, thereby executing the capacity confirmation program 13C, thereby determining that the storage capacity of the television database 12 is not sufficient for the information to be updated. In this case, by causing the user to select necessary information from the information acquired by executing the acquisition program 130B, and by executing the update program 13F, the information selected by the user is stored in the television database 12, Since the in-TV database 12 is updated, only the information that needs to be updated can be selected to update the in-TV database 12, and the use efficiency of the storage capacity can be improved.

(Modification)
In the first embodiment and the second embodiment, the external device 100 and the digital television 200 (201) are connected by a network such as DLNA. However, the scope of the present invention is not limited to this. The external device 100 and the digital television 200 (201) may be modified so as to be electrically connected by a cable or the like.
In the case of this modification, device information and content information are not transmitted from the external device 100 to the digital television 200 (201) in the image quality adjustment operation. Here, an example of the image quality adjustment operation in this modification will be described with reference to the flowchart shown in FIG.
First, the device information of the external device 100 that reproduces the content and the content information of the content are input from the remote control R via the remote control receiving circuit 7 (step S301), and the content is reproduced on the external device 100 (step S301). In step S302, the CPU 10 executes the adjustment information acquisition program 13G to acquire the device image quality adjustment information corresponding to the device information and the content image quality adjustment information corresponding to the content information from the in-television database 12 (step S302). S303).

  Next, the CPU 10 executes the image quality adjustment program 13H to calculate an average value after weighting the device image quality adjustment information and the content image quality adjustment information acquired in step S303, and the average value is calculated as the total image quality adjustment. The information is controlled, and the display unit 8 is controlled to perform image quality adjustment based on the total image quality adjustment information (step S304), and the process is terminated.

In the first embodiment, the CPU 10 periodically checks whether the content stored in the database 301 of the server 300 has been updated by executing the update confirmation program 13A. The confirmation may be made when an operation signal for confirming the update is input from the remote controller R.
In the second embodiment, the device information, the device image quality adjustment information, the content information, and the content image quality adjustment information are stored in the memory card. However, the present invention is not limited to the memory card. Any recording medium capable of storing information and device image quality adjustment information, content information and content image quality adjustment information, and a CD-ROM or the like may be used.
The method for calculating the overall image quality adjustment information is not limited to the method described in the present embodiment, and an arbitrary method may be used. For example, the weighting value may be different depending on the content type.

1 is a diagram showing a schematic configuration of a video output system according to a first embodiment of the present invention. It is a figure which shows an example of the data structure of the database which concerns on the 1st Embodiment of this invention. It is a block diagram which shows an example of a structure of the digital television concerning the 1st Embodiment of this invention. It is a flowchart explaining an example of the update operation | movement of the database in a television in the video output system which concerns on the 1st Embodiment of this invention. 5 is a flowchart illustrating an example of image quality adjustment operation in the video output system according to the first embodiment of the present invention. It is a figure which shows schematic structure of the video output system which concerns on the 2nd Embodiment of this invention. It is a block diagram which shows an example of a structure of the digital television concerning the 2nd Embodiment of this invention. It is a flowchart explaining an example of the update operation | movement of the database in a television in the video output system which concerns on the 2nd Embodiment of this invention. It is a flowchart explaining an example of the image quality adjustment operation | movement in the modification of embodiment of this invention.

Explanation of symbols

6 Communication Department (Acquisition means)
8 Display (selection means)
10 CPU (acquisition means, capacity confirmation means, selection means, update means, adjustment information acquisition means, image quality adjustment means)
12 TV database (storage)
13B, 130B acquisition program (acquisition means)
13C capacity confirmation program (capacity confirmation means)
13E Manual selection program (selection means)
13F update program (update means)
13G adjustment information acquisition program (adjustment information acquisition means)
13H Image quality adjustment program (image quality adjustment means)
14 Memory slot (acquisition means)
100 External device 200 Digital television (television device, video output device)
1000, 2000 Video output system R Remote control (selection means)

Claims (5)

In a video output system comprising: an external device; and a television device that is connected to the external device and outputs a video based on content data transmitted by the external device.
The television device includes:
Corresponding to predetermined device information for classifying the external device and device image adjustment information for adjusting the image quality when video based on content data transmitted by the external device is output on the television device And storing predetermined content information for classifying the content and content image quality adjustment information for adjusting image quality when video based on the content data of the content is output on the television device Storage means for storing together,
Acquisition means for acquiring the device information and the device image quality adjustment information, the content information and the content image quality adjustment information;
Updating means for updating the storage means based on the device information and the device image quality adjustment information acquired by the acquisition means, and the content information and the content image quality adjustment information;
When outputting video based on content data transmitted by the external device, device image quality adjustment information corresponding to device information of the external device and content image quality adjustment information corresponding to content information of the content are stored in the storage unit. Adjustment information acquisition means to acquire from,
Based on the device image quality adjustment information and the content image quality adjustment information acquired by the adjustment information acquisition unit, total image quality adjustment information is calculated by a predetermined calculation, and image quality adjustment is performed based on the total image quality adjustment information. Image quality adjustment means;
Capacity updating means for confirming whether or not the storage capacity of the storage means is sufficient for the information to be updated when the storage means is updated by the update means;
Selection means for allowing the user to select necessary information from the information acquired by the acquisition means when the capacity confirmation means determines that the storage capacity of the storage means is not sufficient for the information to be updated; ,
With
The update means updates the storage means when the capacity confirmation means determines that the storage capacity of the storage means is sufficient for the information to be updated. When it is determined that the storage capacity of the storage unit is not sufficient for the information to be updated, the storage unit is updated by storing the information selected by the selection unit in the storage unit. Video output system. In a video output system comprising: an external device; and a video output device that is connected to the external device and outputs a video based on content data transmitted by the external device.
The video output device
Corresponding to predetermined device information for classifying the external device and device image adjustment information for adjusting the image quality when the video output device outputs video based on content data transmitted by the external device And storing predetermined content information for classifying the content and content image quality adjustment information for adjusting image quality when video based on content data of the content is output in the video output device Storage means for storing together,
When outputting video based on content data transmitted by the external device, device image quality adjustment information corresponding to device information of the external device and content image quality adjustment information corresponding to content information of the content are stored in the storage unit. Adjustment information acquisition means to acquire from,
Based on the device image quality adjustment information and the content image quality adjustment information acquired by the adjustment information acquisition unit, total image quality adjustment information is calculated by a predetermined calculation, and image quality adjustment is performed based on the total image quality adjustment information. Image quality adjustment means;
A video output system comprising: The video output device
Acquisition means for acquiring the device information and the device image quality adjustment information, the content information and the content image quality adjustment information;
Updating means for updating the storage means based on the device information and the device image quality adjustment information acquired by the acquisition means, and the content information and the content image quality adjustment information;
The video output system according to claim 2, further comprising: The video output device
Capacity updating means for confirming whether or not the storage capacity of the storage means is sufficient for the information to be updated when the storage means is updated by the update means;
The update means updates the storage means when the capacity confirmation means determines that the storage capacity of the storage means is sufficient for the information to be updated. The video output system described. The video output device
A selection unit that allows a user to select necessary information from the information acquired by the acquisition unit when the capacity confirmation unit determines that the storage capacity of the storage unit is not sufficient for the information to be updated; Prepared,
5. The video output system according to claim 4, wherein the updating unit updates the storage unit by storing the information selected by the selection unit in the storage unit.

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