CN102761522A - Content providing device, content providing method and multimedia system - Google Patents
Content providing device, content providing method and multimedia system Download PDFInfo
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- CN102761522A CN102761522A CN2011101056301A CN201110105630A CN102761522A CN 102761522 A CN102761522 A CN 102761522A CN 2011101056301 A CN2011101056301 A CN 2011101056301A CN 201110105630 A CN201110105630 A CN 201110105630A CN 102761522 A CN102761522 A CN 102761522A
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Abstract
The invention discloses a content providing device. The content providing device comprises an evaluation unit and a content generation unit. The evaluation unit is used for generating an optimal resolution evaluated value according to multiple resolution values which can be played by a terminal display device, a first transmission bandwidth of a first communication network and a second transmission bandwidth of a second communication network. The content generation unit is used for generating a multimedia content which is in line with the optimal resolution evaluated value according to the optimal resolution evaluated value. The multimedia content is transmitted to a relay device through the first communication network, transmitted to the terminal display device through the second communication network and played by the terminal display device.
Description
Technical field
The present invention relates to a kind of content providing device, content providers method and multimedia system; Being particularly related to a kind ofly can provide optimal content of multimedia according to operating environment, makes terminal display device obtain optimization content displayed generator, content providers method and multimedia system.
Background technology
Along with the diversification of the universalness and the multimedia digital content of network communication, the user can obtain content of multimedia through internet or other communication network easily and view and admire.On the other hand, present Display Technique is very ripe, and the user can play high-resolution multimedia video content through high-resolution display unit, with the best video display effect that appears.
Yet because the archives size of high-resolution multimedia video content is comparatively huge usually, and the multimedia video content is generally broadcast in real time; Therefore; But, during the enough video content that can't in time transmit, cause in progress image frame moment static or desultory freeze-frame phenomenon takes place probably when the transmission bandwidth of communication network during less than the bandwidth of transmitting multimedia video content; In the case, will let the user be subjected to the bad experience of viewing and admiring.
In brief; Content supplier does not have the content of multimedia that the transmission quality of display condition and the communication network at misgivings terminal provides, and makes the display effect that the user viewed and admired desirable not to the utmost when content of multimedia is provided; Therefore; For the provider of multimedia video content, how to provide the user under the resource of the existing high-definition display device of utilization, obtain the following problem of needing solution badly of smooth and easy and the most best play quality and effect system.
Summary of the invention
Therefore, main purpose of the present invention promptly is to provide a kind of content providing device, content providers method and multimedia system.
The present invention discloses a kind of content providing device; It is characterized in that; Include an assessment unit; Be used for a plurality of resolution values, one first transmission bandwidth of one first communication network and one second transmission bandwidth of one second communication network that to play according to a terminal display device, produce an optimum resolution assessed value; And a content generation unit, be used for according to this optimum resolution assessed value, produce a content of multimedia that meets this optimum resolution assessed value; Wherein this content of multimedia is transferred into a relay via this first communication network, is transferred into a terminal display device via this second communication network again, and plays this content of multimedia by this terminal display device.
The present invention also discloses a kind of content providers method; Be used for a multimedia system; Wherein this multimedia system includes a content providing device, a relay and a terminal display device, and this content providing device carries out communication through one first communication network and this relay, and this relay carries out communication through one second communication network and this terminal display device; It is characterized in that this content providers method includes and obtains a plurality of resolution values that this terminal display device can be play; Detect one first transmission bandwidth of this first communication network and one second transmission bandwidth of this second network; According to these a plurality of resolution values, this first transmission bandwidth and this second transmission bandwidth, produce and transmit a content of multimedia to relay; And utilize this relay that this content of multimedia is sent to this terminal display device, make this terminal display device play this content of multimedia.
The present invention also discloses a kind of multimedia system, it is characterized in that, includes a terminal display device, is used for playing a content of multimedia; One content providing device is used for detecting one first transmission bandwidth of one first communication network, and one second transmission bandwidth of a plurality of resolution values, this transmission bandwidth and one second communication network that can play according to this terminal display device, produces this content of multimedia; And a relay, be used for detecting these a plurality of resolution values and this second transmission bandwidth that this terminal display device can be play; Wherein, This content providing device is sent to this relay through this first communication network with this content of multimedia; And this relay is sent to this terminal display device through this second communication network with this content of multimedia, makes this terminal display device play this content of multimedia.
Description of drawings
Fig. 1 is the sketch map of the embodiment of the invention one multimedia system.
Fig. 2 is the sketch map of a flow process of the embodiment of the invention one content providers method.
Fig. 3 is used for the sketch map of a multimedia system of a Web TV for the embodiment of the invention.
Wherein, description of reference numerals is following:
10,30 multimedia systems
102,302 content providing devices
104,304 relays
106,306 terminal display devices
108,110 communication networks
112 assessment units
114 content generation units
BW1, BW2 transmission bandwidth
The ME mobile communication device
Embodiment
Please refer to Fig. 1, Fig. 1 is the sketch map of the embodiment of the invention one multimedia system 10.Multimedia system 10 includes a content providing device 102, a relay 104 and a terminal display device 106; Wherein, In multimedia system 10; Content providing device 102 carries out communication through a communication network 108 with relay 104, and relay 104 carries out communication through a communication network 110 with terminal display device 106.Wherein, communication network 108 and 110 can be respectively a LAN or a Wide Area Network, and the wired or wireless mode also capable of using of each communicating terminal among communication network 108 or 110 is carried out communication.For example; In Fig. 1; Content providing device 102 can pass through wireless mode of connection, among one the 3rd generation mobile communication network, carry out communication with relay 104, and relay 104 can pass through wired mode of connection; Among a LAN, carry out communication with terminal display device 106, but not as limit.Content providing device 102 is used for according to the transmission bandwidth BW2 of the transmission bandwidth BW1 of communication network 108, communication network 110 and 106 resolution values that can play of terminal display device; Produce corresponding content of multimedia and be sent to relay 104, by relay 104 content of multimedia is sent to terminal display device 106 again and plays.Wherein aforesaid content of multimedia can comprise that image, animation, audio frequency, video, data or literal or its make up arbitrarily.Relay 104 is used for the content of multimedia of being sent here by content providing device 102 is sent to terminal display device 106, and can detect the transmission bandwidth BW2 of 106 resolution values that can play of terminal display device and communication network 110.Preferably, relay 104 is to be arranged on the portable electronic devices, for example be arranged on action communication device, a mobile computer or the personal digital assistant, but not as limit.Terminal display device 106 is used for play multimedia content.For example terminal display device 106 can be play the video data of a plurality of resolution value grades.
For instance, content providing device 102 can be built by a content of multimedia provider and put, and relay 104 can be integrated in the portable apparatus, and terminal display device 106 can be the family expenses display unit of a high standard.In the case; Content providing device 102 can be according to the limit of carried of the data of transmission bandwidth BW1 and transmission bandwidth BW2; Producing can be in the content of multimedia of terminal display device 106 broadcasts; Thus, content of multimedia will can not cause the phenomenon of playing freeze-frame because of insufficient bandwidth in the process of transmission, and; Signal processing or interactive control that terminal display device 106 does not need the device of box on the extra increase machine to be correlated with, terminal display device 106 need only be obtained content of multimedia from relay 104 and get final product.In simple terms; Content providing device 102 can be according to the resolution information of transmission bandwidth BW1, transmission bandwidth BW2 and terminal display device 106; Dynamically provide and be suitable for being transmitted on communication network 108 and the communication network 110; Again can be in the content of multimedia of terminal display device 106 broadcasts, the user can obtain the best experience of viewing and admiring on terminal display device 106.
Further specify, as shown in Figure 1, content providing device 102 includes an assessment unit 112 and a content generation unit 114.Assessment unit 112 is used for producing an optimum resolution assessed value E according to terminal display device 106 a plurality of resolution values that can play, transmission bandwidth BW1 and transmission bandwidth BW2.Content generation unit 112 is used for producing corresponding content of multimedia to relay 104 according to optimum resolution assessed value E.And this content of multimedia can be transferred into terminal display device 106 by relay 104 again, and is play by terminal display device 106.
When multimedia system 10 runnings; At first; Relay 104 can be detected 106 the resolution value information that can play of terminal display device; For example 106 resolution values that can play of terminal display device are respectively 1920 * 1080,1280 * 720,720 * 480 etc., and the resolution value that is detected is sent to assessment unit 112.Then, relay 104 can be detected the transmission bandwidth BW2 of communication network 110, and also the transmission bandwidth BW2 that is detected is sent to assessment unit 112.Preferably, relay 104 can periodically be detected the transmission bandwidth BW2 of communication network 110.In addition, assessment unit 112 also can periodically be detected the transmission bandwidth BW1 of communication network 108.Thus, after assessment unit 112 is obtained terminal display device 106 the resolution value information that can play, transmission bandwidth BW1 and transmission bandwidth BW2, can produce optimum resolution assessed value E according to this to content generation unit 112.Assessment unit 112 can be assessed the size that transmission bandwidth BW and transmission bandwidth BW can carry data; To produce an assessment result; And according to this assessment result, select in 106 resolution values that can play of self terminal display unit meet this assessment result the highest resolution value as optimum resolution assessed value E.For instance; Suppose that 106 resolution values that can play of terminal display device are respectively 1920 * 1080,1280 * 720,720 * 480; And the multipotency of current transmission bandwidth BW1 to transmit resolution be 1280 * 720 content of multimedia; It is 1920 * 1080 content of multimedia that the multipotency of current transmission bandwidth BW2 transmits resolution; In the case; Assessment result can represent that it is 1280 * 720 content of multimedia that the multipotency of transmission bandwidth BW1 and transmission bandwidth BW2 transmits resolution, and assessment unit 112 can in aforementioned all resolution value (1920 * 1080,1280 * 720,720 * 480), select meet this assessment result the highest resolution value as optimum resolution assessed value E, in other words; Assessment unit 112 can be in the middle of 1280 * 720 and 720 * 480 by resolution value, selects the highest resolution value (1280 * 720) as optimum resolution assessed value E.At last, content generation unit 112 produces the content of multimedia that meets optimum resolution assessed value E again.And the content of multimedia that is produced is sent to terminal display device 106 through relay 104 again, makes terminal display device 106 be able to play multimedia content.Because through the judgement of assessment unit 112, the content of multimedia that content generation unit 112 is produced will pass through the transmission of communication network 108 and communication network 110 smoothly, and is successfully play at terminal display device 106.In other words, the user can obtain best video through terminal display device 106 and show under the permission of the transmission bandwidth of communication network.
In addition; Relay 104 also can be integrated on the electronic installation that is provided with display unit; Thus; Resolution value and transmission bandwidth BW1 that content providing device 102 assessment unit 112 also capable of using can be play according to the display unit on the electronic installation produce an optimum resolution assessed value E, make content generation unit 112 produce corresponding content of multimedia to relay 104 according to this.This content of multimedia then can be play by the display unit on the electronic installation.
The operation of multimedia system 10 can reduce a flow process 20, and is as shown in Figure 2.Flow process 20 includes the following step:
Step 200: beginning.
Step 202: obtain 106 resolution values that can play of terminal display device.
Step 204: detect first transmission bandwidth BW1 of first communication network 108 and the second transmission bandwidth BW2 of second communication network 110.
Step 206:, produce and transmit content of multimedia to relay 104 according to the resolution value of being obtained, the first transmission bandwidth BW1 and the second transmission bandwidth BW2.
Step 208: utilize relay 104 that content of multimedia is sent to terminal display device 106, make terminal display device 106 play multimedia content.
Step 210: finish.
The details of flow process 20 can not given unnecessary details at this with reference to above stated specification.
Below be applied as example explanation with a Web TV (Internet Protocol Television, IP TV), please refer to Fig. 3, Fig. 3 is the sketch map that is applied to the multimedia system 30 of a network television system.Suppose that content providing device 302 can be built by a content of multimedia provider and put that relay 304 can be integrated among the action communication device ME, terminal display device 306 can be a family expenses display unit.When multimedia system 30 came into operation, relay 304 detected 306 the resolution value information that can play of terminal display device and is respectively 1920 * 1080,1280 * 720,720 * 480 etc.Content providing device 302 is when producing content of multimedia; Assessment transmission bandwidth BW1 (the Network Transmission bandwidth between content providing device 302 and the relay 304) and transmission bandwidth BW2 (the Network Transmission bandwidth between relay 304 and the terminal display device 306) can carry the size of data; And, choose and meet this assessment result and be again that terminal display device 306 supported resolution values are used as the basis that content of multimedia produces according to assessment result.For instance; If it is 1280 * 720 content of multimedia that the multipotency of current transmission bandwidth BW1 transmits resolution; It is 1920 * 1080 content of multimedia that the multipotency of current transmission bandwidth BW2 transmits resolution, and then to produce resolution be 1280 * 720 content of multimedia to content providing device 302.In the cycle of next transmission; If it is 1920 * 1080 content of multimedia that the multipotency of transmission bandwidth BW1 transmits resolution; It is 1920 * 1080 content of multimedia that the multipotency of transmission bandwidth BW2 transmits resolution, and then to produce resolution be 1920 * 1080 content of multimedia to content providing device 302.The rest may be inferred, and content providing device 302 makes terminal display device 306 can obtain result of broadcast the most smoothly dynamically according to the content of multimedia that adjustment produced of transmission bandwidth.
Be noted that Fig. 1 or multimedia system 10,30 shown in Figure 3 are embodiments of the invention, those skilled in the art work as can do different variations or modification according to this, and is not limited thereto.For instance, communication network 108 and 110 can be the wired or wireless network of any kind.Terminal display device 106 can comprise a signal transceiving unit in addition, is used for receiving multimedia content.In addition, the transmission bandwidth BW1 of communication network 108 is not certain must detecting by content providing device 102, also can be detected by relay 104, and will detect the result and be sent to content providing device 102.
Generally speaking, compared to prior art, content supplier is when providing content of multimedia, and the transmission quality of the display condition at the terminal of can't worrying and communication network comes the content of multimedia that suitably provides, and makes the display effect that the user viewed and admired desirable not to the utmost.In comparison; In this multimedia system; Through the resolution information that transmission bandwidth information that relay provided and terminal display device can be used, content providing device can provide optimal content of multimedia dynamically, makes terminal display device obtain optimized picture and shows.In addition, the user does not more need the equipment of box on the extra increase again of terminal display device machine can carry out dynamic optimization picture demonstration, can further reduce user's hardware acquisition cost.
The above is merely the preferred embodiments of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (14)
1. a content providing device is characterized in that, includes:
One assessment unit is used for a plurality of resolution values, one first transmission bandwidth of one first communication network and one second transmission bandwidth of one second communication network that can play according to a terminal display device, produces an optimum resolution assessed value; And
One content generation unit is used for according to this optimum resolution assessed value, produces a content of multimedia that meets this optimum resolution assessed value;
Wherein this content of multimedia is transferred into a relay via this first communication network, is transferred into a terminal display device via this second communication network again, and plays this content of multimedia by this terminal display device.
2. content providing device as claimed in claim 1 is characterized in that, this relay is detected these a plurality of resolution values that this terminal display device can be play, and these a plurality of resolution values that detected are sent to this assessment unit.
3. content providing device as claimed in claim 1; It is characterized in that; This assessment unit produces this optimum resolution assessed value according to this first transmission bandwidth of this first communication network of being detected, by this second transmission bandwidth and these a plurality of resolution values of this second communication network that this relay detected.
4. content providing device as claimed in claim 1; It is characterized in that; This assessment unit this first transmission bandwidth of assessment and this second transmission bandwidth can carry the size of data; Producing an assessment result, and in these a plurality of resolution values, select according to this meet this assessment result the highest resolution value as this optimum resolution assessed value.
5. content providing device as claimed in claim 1 is characterized in that, this first communication network is a Wide Area Network, and this second communication network is a LAN.
6. content providers method; Be used for a multimedia system; Wherein this multimedia system includes a content providing device, a relay and a terminal display device, and this content providing device carries out communication through one first communication network and this relay, and this relay carries out communication through one second communication network and this terminal display device; It is characterized in that this content providers method includes:
Obtain a plurality of resolution values that this terminal display device can be play;
Detect one first transmission bandwidth of this first communication network and one second transmission bandwidth of this second communication network;
According to these a plurality of resolution values, this first transmission bandwidth and this second transmission bandwidth, produce and transmit a content of multimedia to relay; And
Utilize this relay that this content of multimedia is sent to this terminal display device, make this terminal display device play this content of multimedia.
7. content providers method as claimed in claim 6 is characterized in that, the step that obtains a plurality of resolution values that this terminal display device can play includes:
These a plurality of resolution values that utilize this this terminal display device of relay detecting to play; And this relay is obtained these a plurality of resolution values that detected certainly.
8. content providers method as claimed in claim 6 is characterized in that, the step of this second transmission bandwidth of detecting this first transmission bandwidth and this second communication network of this first communication network includes: this first transmission bandwidth of detecting this first communication network;
Utilize this second transmission bandwidth of this this second communication network of relay detecting; And this relay is obtained this second transmission bandwidth that is detected certainly.
9. content providers method as claimed in claim 6 is characterized in that, according to these a plurality of resolution values, this first transmission bandwidth and this second transmission bandwidth, the step that produces and transmit this content of multimedia to relay includes:
According to these a plurality of resolution values, this first transmission bandwidth and this second transmission bandwidth, produce an optimum resolution assessed value; And produce and to meet this content of multimedia of this optimum resolution assessed value, and transmit this content of multimedia to relay.
10. content providers method as claimed in claim 9 is characterized in that, according to these a plurality of resolution values, this first transmission bandwidth and this second transmission bandwidth, the step that produces this optimum resolution assessed value includes:
Assess the size that this first transmission bandwidth and this second transmission bandwidth can carry data, to produce an assessment result; And
In these a plurality of resolution values, select meet this assessment result the highest resolution value as this optimum resolution assessed value.
11. a multimedia system is characterized in that, includes:
One terminal display device is used for playing a content of multimedia;
One content providing device is used for detecting one first transmission bandwidth of one first communication network, and one second transmission bandwidth of a plurality of resolution values, this transmission bandwidth and one second communication network that can play according to this terminal display device, produces this content of multimedia; And
One relay is used for detecting these a plurality of resolution values and this second transmission bandwidth that this terminal display device can be play;
Wherein, This content providing device is sent to this relay through this first communication network with this content of multimedia; And this relay is sent to this terminal display device through this second communication network with this content of multimedia, makes this terminal display device play this content of multimedia.
12. multimedia system as claimed in claim 11 is characterized in that, this content providing device includes:
One assessment unit is used for a plurality of resolution values, this first transmission bandwidth and this second transmission bandwidth that can play according to this terminal display device, produces an optimum resolution assessed value; And
One content generation unit is used for according to this optimum resolution assessed value, produces this content of multimedia that meets this optimum resolution assessed value.
13. multimedia system as claimed in claim 12; It is characterized in that; This assessment unit this first transmission bandwidth of assessment and this second transmission bandwidth can carry the size of data; Producing an assessment result, and in these a plurality of resolution values, select according to this meet this assessment result the highest resolution value as this optimum resolution assessed value.
14. multimedia system as claimed in claim 11 is characterized in that, this first communication network is a Wide Area Network, and this second communication network is a LAN.
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| CN2011101056301A CN102761522A (en) | 2011-04-26 | 2011-04-26 | Content providing device, content providing method and multimedia system |
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| CN2011101056301A CN102761522A (en) | 2011-04-26 | 2011-04-26 | Content providing device, content providing method and multimedia system |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101330436A (en) * | 2007-06-19 | 2008-12-24 | 上海贝尔阿尔卡特股份有限公司 | Method and device for transmitting adjustable multicast multimedia service data |
| TW201026069A (en) * | 2008-12-24 | 2010-07-01 | Acer Inc | Encoding and decoding method for video screen layout, encoding device, decoding device, and data structure |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101330436A (en) * | 2007-06-19 | 2008-12-24 | 上海贝尔阿尔卡特股份有限公司 | Method and device for transmitting adjustable multicast multimedia service data |
| TW201026069A (en) * | 2008-12-24 | 2010-07-01 | Acer Inc | Encoding and decoding method for video screen layout, encoding device, decoding device, and data structure |
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Application publication date: 20121031 |