CN101651805A - TV program guide method and set top box - Google Patents
TV program guide method and set top box Download PDFInfo
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- CN101651805A CN101651805A CN200910169914A CN200910169914A CN101651805A CN 101651805 A CN101651805 A CN 101651805A CN 200910169914 A CN200910169914 A CN 200910169914A CN 200910169914 A CN200910169914 A CN 200910169914A CN 101651805 A CN101651805 A CN 101651805A
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Abstract
The invention discloses a TV program guide method which comprises the following steps: obtaining second TV program channel signals attended by a user when playing a first TV channel; decoding the second TV program channel signals; and reducing the decoded second TV program channel signals and then displaying. The embodiment of the invention also provides a corresponding TV set top box. The technical scheme of the invention is achieved as follows: when the current channel program is played, the channel signals attributed by the program attended by the user are obtained, decoded, reduced and displayed on corners of a TV screen, therefore, the user can know the state of the channel attributed by the program attended by the user in real time when the user is not influenced to watch the programof the current channel.
Description
Technical field
The present invention relates to the digital television techniques field, be specifically related to a kind of TV program guide method and set-top box.
Background technology
In existing Digital Television, channel is a lot, but TV user is just paid close attention to minority program wherein, and most of programs are not paid close attention to.Like this, when the user thought the complete program of watching a concern, they can rest on the beginning of waiting for program on that channel, perhaps switch to other channels, switch back again, constantly switch back and forth, see whether the program of paying close attention to begins.Though the user has had more program to select like this, can be forced to see the content that some are irrelevant, such as:
1, the user pays close attention in the program process waiting for, and is forced to see irrelevant contents
2, TV station inserts in one section advertisement in the playing programs process, is forced to see advertisement
Existing Digital Television provides electronic program guide information, and the user can obtain the program detail paid close attention to.The user has gained some understanding to the program of being paid close attention to by paying close attention to electronic program guide information, switches to this program place channel in the moment that the program of paying close attention to is about to play then.
In research and practice process to prior art, the present inventor finds, the user can be attracted by other channel programs before switching and miss the program of being paid close attention to; And electronic program guides also and not exclusively and channel program is corresponding or inaccuracy also, and the program that causes the user to pay close attention to begins, and the user is ignorant.
Summary of the invention
The embodiment of the invention provides a kind of TV program guide method and the corresponding set-top box that can clearly indicate the user to pay close attention to the program real time information.
A kind of TV program guide method comprises:
When playing first television channel, obtain second TV channel signal that the user pays close attention to;
Second TV channel signal of decoding;
Show after decoded second TV channel signal dwindled.
A kind of TV set-top box comprises:
The channel signals acquiring unit is used to obtain second TV channel signal of first television channel and user's concern;
Decoding unit, second TV channel signal is used to decode;
Indicative control unit shows after being used for decoded second TV channel signal dwindled.
The embodiment of the invention adopts when playing current channel program, obtain the user and pay close attention to program subordinate channel signal, dwindle demonstration and video screen corner after the decoding, when not influencing the user to watch current channel program, can allow the user understand the dynamic of the program subordinate channel of paying close attention in real time.
Description of drawings
Fig. 1 is the flow chart of an embodiment of a kind of TV program guide method of the present invention;
Fig. 2 is the structure chart of an embodiment of a kind of TV set-top box of the present invention.
Embodiment
The embodiment of the invention provides a kind of TV program guide method, can clearly indicate the user to pay close attention to the program real time information.The embodiment of the invention also provides corresponding set-top box.Below be elaborated respectively.
A kind of TV program guide method comprises:
When A, broadcast first television channel, obtain second TV channel signal that the user pays close attention to;
B, decoding second TV channel signal;
C, show after decoded second TV channel signal dwindled.
Embodiment one, see also the flow chart of Fig. 1 for an embodiment of a kind of TV program guide method of the present invention;
It is that example is described that present embodiment has only a tuner and a decoder with set-top box.
When step 101, broadcast current channel program, obtain the user and pay close attention to program subordinate channel signal;
In existing most of set-top box, have only a tuner and a decoder; A tuner once can only have the source video sequence of a frequency, and described tuner obtains the signal of this program subordinate channel from cable when playing a channel program.At this moment obtain if desired and can adopt the mode of obtaining from Internet protocol (IP, the Internet Protocol) network when the user pays close attention to program subordinate channel signal, obtain channel signals by the IP network that connects on the set-top box.
Step 102, decode users are paid close attention to program subordinate channel signal;
Because the set-top box that present embodiment adopts has only a decoder (generally being the MPEG-2 decoder), and currently just taking described decoder at the broadcasting channel program, at this moment the central processing unit of set-top box (CPU, Central Processing Unit) almost is in the demonstration effect.The computing capability that present embodiment uses set-top box CPU is paid close attention to program subordinate channel signal to wherein user and is decoded.In two videos, there are an in progress channel program video and a user to pay close attention to program subordinate channel signal, in progress channel program video directly adopts the video decoder decodes on the set-top box, and the user pays close attention to program subordinate channel signal and then utilizes the computing capability of CPU to carry out soft decoding.Consider the factor of cpu performance aspect, the user pays close attention to program subordinate channel signal and can utilize up-to-date video encoding standard H.264 to encode.This be because: H.264 be video encoding standard the most efficiently so far, under identical picture background, efficient is 2.5 times of MPEG-2
H.264 standard has taken into full account the characteristic that adapts to hardware when formulating.Whole H.264 decode procedure does not have floating number operation, make do not have the set-top box CPU fast decoding of hardware floating number processing unit H.264 become may and the anti-DCT operation of MPEG-2 Video is the floating number operation fully, do not have H.264 advantage in this respect
H.264 defined baseline, three profile of main and extended adapt to the demand without level, and wherein the Baseline code stream does not have the B frame, greatly reduce the complexity of coding, and the time complexity of the B frame of encoding is about 3 times of the P frame
Advanced rate control algorithm makes code check can still keep level and smooth under the low code check of 64kbps
H.264 encode advantage as can be seen from above, adopt H.264 coding, under equal video quality, H.264 Bian Ma code check is lower; In addition, H.264 coding is fit to the fast decoding of set-top box CPU.Therefore, our small video adopts and H.264 encodes, and utilizes the computing capability of set-top box CPU, then can just can solve the problem of two video decodes not increasing on the existing basis of extras.
Step 103, decoded user paid close attention to show after program subordinate channel signal dwindles.
Current in order not influence just normally the watching of broadcasting channel program, the user is paid close attention to the corner that is positioned at video screen after dwindling behind the program subordinate channel signal decoding show.
The embodiment of the invention adopts when playing current channel program, obtain the user and pay close attention to program subordinate channel signal, dwindle being shown in the video screen corner after the decoding, when not influencing the user to watch current channel program, can allow the user understand the dynamic of the program subordinate channel of paying close attention in real time.
Embodiment two, present embodiment are that to adopt the set-top box have multi-tuner and many decoders be that example is described;
When step 201, broadcast current channel program, utilize second tuner to obtain the user and pay close attention to program subordinate channel signal;
When set-top box had a plurality of tuners and a plurality of decoder, the source of program and video decode problem just all can directly use hardware to handle.Present embodiment is as the criterion so that two tuners and two decoders to be arranged in the set-top box.In this case, to the source of program, owing in the set-top box two tuners are arranged, set-top box just can be pinned two channel signals simultaneously so, it is current just at the broadcast program channel signals that tuner obtains, and the another one tuner obtains the user and pays close attention to program subordinate channel signal.
Step 202, decode users are paid close attention to program subordinate channel signal;
Because set-top box has a plurality of decoders, one of them is used for just decoding at the broadcast program channel signals to current, can utilize another decoder that the user is paid close attention to program subordinate channel signal and decode.
Step 203, decoded user paid close attention to show after program subordinate channel signal dwindles.
Current in order not influence just normally the watching of broadcasting channel program, the user is paid close attention to the corner that is positioned at video screen after dwindling behind the program subordinate channel signal decoding show.
Two kinds of above schemes are respectively at " set-top box has a tuner and a decoder " and " set-top box has a plurality of tuners and a plurality of decoder " both of these case.When occurring, the situation of " set-top box has a tuner and a plurality of decoder " and " set-top box has a plurality of tuners and a decoder " also can solve accordingly.
When set-top box had a tuner and a plurality of decoder, the obtain manner of channel signals adopted the method for embodiment one, and the mode of video decode can adopt embodiment one or two any one modes to decode.
When same set-top box had a plurality of tuners and a decoder, the obtain manner of channel signals adopted embodiment one or two arbitrary method to obtain, and the mode of video decode can adopt the mode of embodiment one to decode.
In addition, concerning the network of pure IP, all videos of set-top box all are to obtain from IP network.Here just only need see the situation of decoder in the set-top box.When having only a decoder, then adopt embodiment one; When a plurality of decoder, then adopt embodiment two.
Embodiment three, see also the structure chart of Fig. 2 for an embodiment of a kind of TV set-top box of the present invention;
Channel signals acquiring unit 301 is used to obtain second TV channel signal of first television channel and user's concern;
Described channel signals acquiring unit is a tuner, when playing first television channel, obtains second TV channel signal by IP network.
Or,
When described channel signals acquiring unit was two above tuners, first tuner obtained first TV channel signal and plays; Second tuner obtains second TV channel signal.
Decoding unit 302, second TV channel signal is used to decode;
Described decoding unit is CPU.
Or,
Described decoding unit 302 is two above Video Decoders, by first video decoder decodes, first TV channel signal, by second video decoder decodes, second TV channel signal.
Further, described Video Decoder can be MPEG-2 decoder or decoder etc. H.264.
Indicative control unit 303 shows after being used for decoded second TV channel signal dwindled.
The set-top box that the embodiment of the invention provides can have following this situation:
1, a tuner and a Video Decoder;
2, a plurality of tuners and a Video Decoder;
3, a tuner and a plurality of Video Decoder;
4, a plurality of Video Decoders and a plurality of Video Decoder.
When set-top box was a tuner and a Video Decoder, described channel signals acquiring unit 301 was a tuner, when playing first television channel, obtained second TV channel signal by IP network; Described decoding unit 302 is CPU.
When set-top box was a plurality of tuners and a Video Decoder, when described channel signals acquiring unit 301 was two above tuners, first tuner obtained first TV channel signal and plays; Second tuner obtains second TV channel signal; Described decoding unit 302 is CPU.
When set-top box was a tuner and a plurality of Video Decoder, described channel signals acquiring unit 301 was a tuner, when playing first television channel, obtained second TV channel signal by IP network; Described decoding unit 302 is two above Video Decoders, by first video decoder decodes, first TV channel signal, by second video decoder decodes, second TV channel signal.
When set-top box was a plurality of tuners and a plurality of Video Decoder, when described channel signals acquiring unit 301 was two above tuners, first tuner obtained first TV channel signal and plays; Second tuner obtains second TV channel signal; Described decoding unit 302 is two above Video Decoders, by first video decoder decodes, first TV channel signal, by second video decoder decodes, second TV channel signal.
The embodiment of the invention adopts when playing current channel program, obtain the user and pay close attention to program subordinate channel signal, dwindle being shown in the video screen corner after the decoding, when not influencing the user to watch current channel program, can allow the user understand the dynamic of the program subordinate channel of paying close attention in real time.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of the foregoing description is to instruct relevant hardware to finish by program, this program can be stored in the computer-readable recording medium, storage medium can comprise: read-only storage (ROM, Read Only Memory), random access memory (RAM, RandomAccess Memory), disk or CD etc.
More than a kind of TV program guide method and set-top box that the embodiment of the invention provided are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1, a kind of TV program guide method is characterized in that, comprising:
When playing first television channel, obtain second TV channel signal that the user pays close attention to;
Second TV channel signal of decoding;
Show after decoded second TV channel signal dwindled.
2, TV program guide method according to claim 1 is characterized in that, second TV channel signal that the described user of obtaining pays close attention to comprises:
Obtain second TV channel signal by the Internet protocol IP network.
3, TV program guide method according to claim 1 is characterized in that, during described broadcast first television channel, obtains second TV channel signal that the user pays close attention to and comprises:
When having two above tuners, first tuner obtains first TV channel signal and plays;
Second tuner obtains second TV channel signal.
4, TV program guide method according to claim 1 is characterized in that, described decoding second TV channel signal comprises:
By central processor CPU second channel signals is decoded.
5, TV program guide method according to claim 1 is characterized in that, described decoding second TV channel signal comprises:
When having two above Video Decoders, by first video decoder decodes, first TV channel signal, by second video decoder decodes, second TV channel signal.
6, a kind of TV set-top box is characterized in that, comprising:
The channel signals acquiring unit is used to obtain second TV channel signal of first television channel and user's concern;
Decoding unit, second TV channel signal is used to decode;
Indicative control unit shows after being used for decoded second TV channel signal dwindled.
7, TV set-top box according to claim 6 is characterized in that, described channel signals acquiring unit is a tuner, when playing first television channel, obtains second TV channel signal by IP network.
8, TV set-top box according to claim 6 is characterized in that, when described channel signals acquiring unit was two above tuners, first tuner obtained first TV channel signal and plays;
Second tuner obtains second TV channel signal.
9, TV set-top box according to claim 6 is characterized in that, described decoding unit is CPU.
10, TV set-top box according to claim 6 is characterized in that, described decoding unit is two above Video Decoders, by first video decoder decodes, first TV channel signal, by second video decoder decodes, second TV channel signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910169914A CN101651805A (en) | 2009-09-08 | 2009-09-08 | TV program guide method and set top box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910169914A CN101651805A (en) | 2009-09-08 | 2009-09-08 | TV program guide method and set top box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101651805A true CN101651805A (en) | 2010-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910169914A Pending CN101651805A (en) | 2009-09-08 | 2009-09-08 | TV program guide method and set top box |
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| Country | Link |
|---|---|
| CN (1) | CN101651805A (en) |
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2009
- 2009-09-08 CN CN200910169914A patent/CN101651805A/en active Pending
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Application publication date: 20100217 |