CN101345834A - Broadcast receiver and method for automatically setting its channel - Google Patents
Broadcast receiver and method for automatically setting its channel Download PDFInfo
- Publication number
- CN101345834A CN101345834A CNA2008102149890A CN200810214989A CN101345834A CN 101345834 A CN101345834 A CN 101345834A CN A2008102149890 A CNA2008102149890 A CN A2008102149890A CN 200810214989 A CN200810214989 A CN 200810214989A CN 101345834 A CN101345834 A CN 101345834A
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- China
- Prior art keywords
- channel
- transmission means
- search
- setting
- radio receiver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/482—End-user interface for program selection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
- H04N21/64322—IP
Abstract
The invention discloses a broadcasting receiver, comprising a tuner (50), selecting channel in order according to automatic channel setting function and aiming at initially set transmission style; a channel storage, judging if receiving broadcasting signal through selected channel and then storing the received broadcasting signal; a frequency cable storage (40), for storing all frequency bandwidth provided by broadcasting transmission style; and a control part (10). The invention also provides a method for automatically setting the broadcasting receiver channel, then channel search operation can not be necessary for all transmission styles possessing already searched channel and same frequency bandwidth by the method and broadcasting receiver, thereby reduces channel set time, promotes user satisfaction.
Description
Technical field
The present invention relates to a kind of radio receiver, can be when especially relating to a kind of auto channel search to different transmission meanss are provided but the broadcast singal with channel of same frequency bandwidth omits a kind of radio receiver of search.
Background technology
Adopt the radio receiver of traditional analog transmission means,, thereby the large-scale display device image quality is reduced because loss on the transmission line and various noise reduce the image information quality.Digital television has solved the problem that above-mentioned analog broadcasting receiver occurs, and adopts digital broadcasting that high image quality not only can be provided, the various additional contents that can also provide analog broadcasting not provide, and as video, audio frequency etc.Because this advantage of digital broadcasting is transformed into digital broadcasting from analog broadcasting at present gradually.Along with enlivening of the digital broadcasting that comprises digital cable broadcasting, digital satellite broadcasting, digital terrestrial broadcasting, the channel quantity that can watch has been increased to more than 100, and channel quantity increases gradually.
The transmission principle of digital broadcasting is to utilize the propagation of simulation to transmit by the channel bandwidth that limits on the substrate, so the television set of receiving digital broadcast is in the environment of tuning analog broadcast signal and digital broadcast signal, because the complexity of broadcast environment is necessary to design different digital broadcastings and receives product.For example, can be divided into terrestrial television and cable TV, have different signalling channels respectively according to transmission path; Consider analog is arranged, 8/16VSB, the receiver of 64/256QAM mode correspondence from the transmission means angle.
Fig. 1 is the signalling channel code pattern of the channel of current broadcast, and as shown in Figure 1, aerial ripple broadcast allocation to No. 2 is to No. 69, and cablecast is assigned to No. 1 to No. 130.
Can judge whether to exist the synchronizing signal of channel or carrier synchronization (carrierlocking) not according to each coding correspondent frequency,, otherwise not remember if remember channel when having synchronizing signal or carrier synchronization (carrierlock).At this moment, simulate the aerial ripple broadcasting of aerial ripple broadcasting and Digital Television and use same frequency bandwidth, dummycable broadcasting simultaneously and Digital Television cablecast also use same frequency bandwidth.Therefore therefore, if searched for the channel of a transmission means in the same frequency bandwidth, then can not transmit the broadcasting of other modes in this frequency bandwidth simultaneously, for the channel of channel searching, the channel information of searching for other modes is nonsensical.But, the Digital Television that adopts conventional art is when the user carries out the auto channel search function, even in the frequency of broadcast singal, also search for the broadcast singal of other transmission meanss with a kind of mode, can spend the unnecessary time during setting contents of channel thus, have the problem that consumes a large amount of setting-up times.
Summary of the invention
Technical problem to be solved by this invention is: when searching for the channel of the TV (Multitransfermode) that is equipped with analog tuner and digital tuner or is furnished with the multiple transmission means of set-top box automatically, the signal that has other transmission meanss in the same frequency bandwidth of each transmission means, for omitting unnecessary search, design a kind of radio receiver of the automatic setting channel that shortens the channel setting time and the method for its channel of automatic setting.
Radio receiver of the present invention is characterized in that: comprise according to the automatic channel setting function, at the transmission means of initial setting, a plurality of channels are carried out successively the tuner portion of channel selection; With judge whether by above-mentioned that by after the channel receiving broadcast signal of channel selection storage receives the storage part of the channel of above-mentioned broadcast singal; Frequency cables storage part with the frequency bandwidth that all channels that provide according to the broadcast transmitted mode are provided; And after judging the setting contents of channel search that whether has required the transmission means different with the transmission means of above-mentioned initial setting, if require the setting contents of channel of the transmission means different to search for, then control, search for the control part of the channel of the current transmission means that requires channel search according to the frequency cables storage part information of depositing with the transmission means of above-mentioned initial setting.
Aforesaid radio receiver is characterized in that: described control part can judge whether to require the setting contents of channel search of another transmission means at any time after the channel of the transmission means that the described setting contents of channel of searching requirement is searched for.
Aforesaid radio receiver is characterized in that: described transmission means is simulation, 8/16VSB, at least one in the middle of the 64/256QAM.
Aforesaid radio receiver is characterized in that: described storage part is stored signalling channel coding and the frequency bandwidth that receives at transmission means simultaneously.
Aforesaid radio receiver, it is characterized in that: the frequency bandwidth of the channel that described control part comparison receives according to the current transmission means that requires channel searching and by after the frequency bandwidth of other transmission meanss with the channel stored, omit channel with same frequency bandwidth.
The method of the channel of the aforesaid radio receiver of a kind of automatic setting is characterized in that: comprise according to the automatic setting channel functions, the transmission means of initial setting is carried out successively the stage of channel selection to a plurality of channels; With judge whether by above-mentioned that by after the channel receiving broadcast signal of channel selection storage receives the stage of the channel of above-mentioned broadcast singal; With the stage that judges whether to require to adopt with the different transmission system setting channel searchs of transmission means of above-mentioned initial setting; During with the setting contents of channel search that requires with the different transmission meanss of transmission means of above-mentioned initial setting, utilize channel information, search for stage of channel of the transmission means of current requirement employing channel searching by the transmission means search of above-mentioned initial setting; And according to the above-mentioned current transmission means that requires channel searching, the stage of the channel of storage receiving broadcast signal in the channel of search.
The method of the channel of aforesaid automatic setting radio receiver, it is characterized in that: also comprise according to the transmission means channel searching of above-mentioned requirements setting contents of channel search and after storing, judge whether to require to carry out the stage of the setting contents of channel search of other transmission meanss.
The method of the channel of aforesaid automatic setting radio receiver is characterized in that: described transmission means is simulation, 8/16VSB, at least one in the middle of the 64/256QAM.
The method of the channel of aforesaid automatic setting radio receiver is characterized in that: in the stage of the channel of described storage receiving broadcast signal, store corresponding channel number of above-mentioned transmission means and frequency bandwidth simultaneously.
The method of the channel of aforesaid automatic setting radio receiver, it is characterized in that: described search is current to be required in stage of channel of transmission means of channel searching, after the frequency bandwidth of the frequency bandwidth of the channel of more above-mentioned transmission means search storage by initial setting and the channel that receives by the current transmission means that requires channel searching, omit channel with same frequency bandwidth.
The beneficial effect that the present invention reached:
The method of utilizing above-mentioned automatic setting radio receiver channel is when carrying out the auto channel search of radio receiver, for channel with the channel same frequency bandwidth of searching for different transmission meanss, omit search and automatically setting channel, thereby shorten the channel search time.
Searched channel when carrying out the auto channel search function, do not carry out the channel search operation to having with all transmission meanss of its channel same frequency bandwidth, therefore be more conducive to use in each input and transmission means have in the broadcast environment of a plurality of channels, have the effect that improves user satisfaction.
Description of drawings
Fig. 1 is the signalling channel code pattern of the channel of current broadcast;
Fig. 2 is the composition block diagram of the radio receiver of one embodiment of the invention;
Fig. 3 is the flow chart of the automatic channel setting method of the radio receiver that shows an embodiment of the present invention in order;
Fig. 4 is the flow chart of fast automatic setting contents of channel process according to an embodiment of the present.
Embodiment
Fig. 2 is the block diagram that the radio receiver of one embodiment of the invention is formed.
The radio receiver of automatic setting channel can receive numeral, analog broadcast signal, comprising: the control part 10 of whole control TV; The tuning tuner portion 50 of broadcasting channel is carried out in 10 controls according to control part; Handle the TS decoder 60 of digital broadcast signal; The NT decoder 70 of treatment of simulated broadcast singal; Output to the audio frequency and the Video processing portion 80 of loud speaker 82 and display part 84 after the audio frequency of processing broadcast singal and the vision signal; Storage is according to the frequency cables storage part 40 of the frequency bandwidth of all channels of providing of transmission means of broadcasting; Storage is by the storage part 30 and the user interface part 20 of effective channel of tuner portion 50 receptions.
Described control part 10 whole control TVs when the user selects the automatic setting channel functions, store on the storage part 30 after the transmission means channel searching according to initial setting.And, judge whether after transmission means channel searching according to initial setting, require the setting contents of channel of other transmission meanss of search, if when requiring the setting contents of channel search of the search transmission means different with the transmission means of initial setting, relatively be stored in after the frequency bandwidth of frequency cables storage part 40, search for the current corresponding channel of transmission means that requires channel searching.
The frequency of the channel that control part 10 relatively receives according to the current transmission means that requires channel searching and before after the channel frequency by storage after other transmission means channel searchings, the channel of omission automatically with same frequency bandwidth.
The NT of treatment of simulated broadcast singal (NTSC) decoder 70 will be decoded as by the analog broadcast signal that tuner portion 50 provides after audio signal and the vision signal according to the control of control part 10, provide to audio frequency and Video processing portion 80.
Audio frequency and Video processing portion 80 handle after more than one audio frequency and the vision signal according to the control of control part 10, and audio frequency is outputed to loud speaker 82, and video is outputed to display part 84.And user interface (OSD) audio mix that audio frequency and Video processing portion 80 provide control part 10 provides to display part 84 after video.
Introduce the automatic channel setting method of radio receiver below with this composition.
Fig. 3 and Fig. 4 are the flow chart of automatic channel setting method of the radio receiver of an embodiment of the present invention.
Fig. 3 represents the automatic channel setting method flow process of the radio receiver of one embodiment of the invention.When selecting the automatic channel setting function by user interface part 20 (S100), control part 10 judges it is fast automatic setting contents of channel pattern, still common automatic setting channel mode (S110).
When the user has selected fast automatic setting contents of channel pattern, from storage part 30, detect the transmission means of preparing the initial setting channel.
Afterwards,, carry out channel selection (S120) after searching for a plurality of channels successively, judge whether, the channel of receiving broadcast signal is stored to storage part 30 (S130) to after the channel receiving broadcast signal that carries out channel selection at the transmission means of initial setting;
Afterwards, control part 10 judges whether at any time after carrying out the automatic setting channel functions, requires the setting contents of channel (S140) of search other transmission meanss different with the transmission means of initial setting.
When judged result is the setting contents of channel of customer requirements search other transmission meanss different with the transmission means of initial setting, utilize channel information, search for the current channel that requires the transmission means of channel searching by the transmission means search of initial setting.
That is, during according to the transmission means auto channel search of current selection, carry out the channel information of auto channel search functions before utilizing by other transmission meanss, search for the corresponding channel of current transmission means.
Continue the basis channel search information of transmission means in the past, in the middle of the channel of searching for according to current transmission means, the effective channel of broadcast singal is stored to storage part 30 (S150).
Afterwards, control part 10 judges whether to require to search for (S160) after the corresponding setting contents of channel of another transmission means different with the transmission means of selecting in the past, when requiring the automatic setting channel functions of new transmission means, turns back to after the S150, carries out channel search.
The broadcast transmitted mode that this embodiment of the present invention selects is at least one mode in the middle of simulation, 8/16VSB, the 64/256QAM.
When the user selects common automatic setting channel mode among the S100, after 10 pairs of all channels that receive by tuner portion 50 of control part are searched for, the channel of the effective signal of broadcast singal is stored to storage part 30 (S170).
Below the further concrete fast automatic setting contents of channel process that adopts transmission means of the present invention of introducing, shown in Figure 4, when selecting fast automatic setting contents of channel function (S200) by user interface part 20, control part 10 is according to the 1st transmission means auto channel search (S210) of user's initial setting in the radio receiver
That is, a plurality of channels that receive by the 1st transmission means are carried out only the corresponding channel of the effective channel of broadcast singal being stored to storage part 30 (S220) after the channel selection.At this moment, corresponding with the respective transmissions mode, be that signalling channel coding and frequency bandwidth are stored to storage part 30 simultaneously with channel information.
Afterwards, whether control part 10 is confirmed after carrying out the automatic setting channel functions according to the 1st transmission means, require the channel (S230) of search 2nd transmission means different with the 1st transmission means, if when requiring the corresponding channel of search the 2nd transmission means, according to channel information, search for the channel (S240) of the 2nd transmission means by the search of the 1st transmission means.
At this moment, control part 10 detects the frequency bandwidth of storing at by the 1st transmission means channel searching from storage part 30.
Afterwards, the channel information that control part 10 utilizes by the transmission of the 2nd transmission means, the frequency bandwidth information of detection corresponding channel from frequency cables storage part 40.
Afterwards, relatively the frequency bandwidth information of channel frequency bandwidth information by the 1st transmission means search and the channel that receives by the 2nd transmission means judges whether to exist the channel (S250) with same frequency bandwidth.
Judged result exists when having the channel of same frequency bandwidth, and control part 10 will omit search corresponding channel (S260).
Afterwards, in the middle of the channel by the search of the 2nd transmission means, the channel information that will have useful signal stores (S270) in the storage part 30 into.
Fig. 4 has introduced the transmission means of broadcasting by the 1st transmission means and the 2nd transmission means, only be for the ease of understanding, being defined as two transmission meanss is introduced, also can set a plurality of transmission meanss, by any the mode automatic setting channel at least in the middle of simulation, 8/16VSB, the 64/256QAM.
More than the preferred embodiments of the present invention are introduced; but under the prerequisite that does not break away from defined inventive concept and scope in the application range; so long as general technical staff of the technical field of the invention; just can carry out various deformation, implement after changing, also belong to technical protection scope of the present invention the present invention.
Claims (10)
1. a radio receiver is characterized in that: comprise
According to the automatic channel setting function,, a plurality of channels are carried out successively the tuner portion (50) of channel selection at the transmission means of initial setting;
Judge whether by above-mentioned that by after the channel receiving broadcast signal of channel selection storage receives the storage part (30) of the channel of above-mentioned broadcast singal;
The frequency cables storage part (40) of the frequency bandwidth of all channels that storage provides according to the broadcast transmitted mode; And
After judging the setting contents of channel search that whether has required the transmission means different with the transmission means of above-mentioned initial setting, if require the setting contents of channel search of the transmission means different, then control the control part (10) of the channel of searching for the current transmission means that requires channel search according to frequency cables storage part (40) information of depositing with the transmission means of above-mentioned initial setting.
2. radio receiver according to claim 1 is characterized in that: described control part (10) can judge whether to require the setting contents of channel search of another transmission means at any time after the channel of the transmission means that the described setting contents of channel of searching requirement is searched for.
3. radio receiver according to claim 1 is characterized in that: described transmission means is simulation, 8/16VSB, at least one in the middle of the 64/256QAM.
4. radio receiver according to claim 1 is characterized in that: described storage part (30) is stored signalling channel coding and the frequency bandwidth that receives at transmission means simultaneously.
5. radio receiver according to claim 1, it is characterized in that: the frequency bandwidth of the channel that described control part (10) relatively receives according to the current transmission means that requires channel searching and by after the frequency bandwidth of other transmission meanss with the channel stored, omit channel with same frequency bandwidth.
6. the method for the channel of the described radio receiver of automatic setting claim 1 is characterized in that: comprise according to the automatic setting channel functions, the transmission means of initial setting is carried out successively the stage of channel selection to a plurality of channels;
Judge whether by above-mentioned that by after the channel receiving broadcast signal of channel selection storage receives the stage of the channel of above-mentioned broadcast singal;
Judge whether to require to adopt the stage of the transmission system setting channel search different with the transmission means of above-mentioned initial setting;
Require setting contents of channel when search of the transmission means different, utilize channel information, search for stage of channel of the transmission means of current requirement employing channel searching by the transmission means search of above-mentioned initial setting with the transmission means of above-mentioned initial setting;
And according to the above-mentioned current transmission means that requires channel searching, the stage of the channel of storage receiving broadcast signal in the channel of search.
7. the method for the channel of automatic setting radio receiver according to claim 6, it is characterized in that: also comprise according to the transmission means channel searching of above-mentioned requirements setting contents of channel search and after storing, judge whether to require to carry out the stage of the setting contents of channel search of other transmission meanss.
8. the method for the channel of automatic setting radio receiver according to claim 6 is characterized in that: described transmission means is simulation, 8/16VSB, at least one in the middle of the 64/256QAM.
9. the method for the channel of automatic setting radio receiver according to claim 6 is characterized in that: in the stage of the channel of described storage receiving broadcast signal, store corresponding channel number of above-mentioned transmission means and frequency bandwidth simultaneously.
10. the method for the channel of automatic setting radio receiver according to claim 6, it is characterized in that: described search is current to be required in stage of channel of transmission means of channel searching, after the frequency bandwidth of the frequency bandwidth of the channel of more above-mentioned transmission means search storage by initial setting and the channel that receives by the current transmission means that requires channel searching, omit channel with same frequency bandwidth.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070132180 | 2007-12-17 | ||
| KR1020070132180A KR20090064831A (en) | 2007-12-17 | 2007-12-17 | Broadcast receiver setting up auto channel and method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101345834A true CN101345834A (en) | 2009-01-14 |
Family
ID=40247707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102149890A Pending CN101345834A (en) | 2007-12-17 | 2008-09-02 | Broadcast receiver and method for automatically setting its channel |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20090064831A (en) |
| CN (1) | CN101345834A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733544A (en) * | 2017-11-02 | 2018-02-23 | 深圳市路畅科技股份有限公司 | A kind of radio and a kind of acquisition methods and device of preset station tranmitting frequency table |
-
2007
- 2007-12-17 KR KR1020070132180A patent/KR20090064831A/en not_active Application Discontinuation
-
2008
- 2008-09-02 CN CNA2008102149890A patent/CN101345834A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733544A (en) * | 2017-11-02 | 2018-02-23 | 深圳市路畅科技股份有限公司 | A kind of radio and a kind of acquisition methods and device of preset station tranmitting frequency table |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20090064831A (en) | 2009-06-22 |
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Open date: 20090114 |