CN1893571A - Digital composite television-set receiver - Google Patents
Digital composite television-set receiver Download PDFInfo
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- CN1893571A CN1893571A CNA2005100275433A CN200510027543A CN1893571A CN 1893571 A CN1893571 A CN 1893571A CN A2005100275433 A CNA2005100275433 A CN A2005100275433A CN 200510027543 A CN200510027543 A CN 200510027543A CN 1893571 A CN1893571 A CN 1893571A
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Abstract
The invention discloses digital composite TV set based on tuner, memory, decoder, and output device. Moreover, the disclosed TV set also includes following two parts: control device, and 1394 control device. Controlling input signal, determining whether input signal can be stored, the said control device stores the input signal to the memory or digital video home system (DVHS) as well as can output signal stored in DVHS or store signal in memory. Converting transmission stream sent from the said control device, 1394 control device makes transmission stream accord with 1394 protocol, and sends it to DVHS, or converts signal from DVHS to transmission stream, and sends it to the said control device. Besides playing digital TV program, the discloses structure possesses function for inputting each source as well as makes composite product capable of recording and storing various signals utilize 1394 port so as to possess additional functions.
Description
Technical field
The invention relates to digital composite television-set receiver, in more detail, this digital composite television-set receiver can be in the digital signal processing apparatus of receiving digital television, simulated television and outside input, the TV media of this various channel has been stored in the DVHS of 1394 ports (Digital Video Home System: digital VTR) built-in, the data flow that perhaps will be stored among the DVHS is stored on the interior Storage Media of receiving system, and the data flow that will be stored in the receiving system backups among the DVHS.
Background technology
Recently, more and more popularize along with the ground wave receiving device and to the trend of advanced development, wave receiving device becomes complicated more just gradually on the ground, and diversified product occurred.Wherein, video tape recorder (PVR:Personal Video Recorder) has become people's hot issue.
PVR is a kind of in hard disk recording information, and plays the digital VTR of this information, and it is different with the video tape recorder (VCR) of store images signal on tape, and it is to record the information in hard disk, the new ideas digital VTR of playing then.It utilizes built-in hard drive in set-top box or the television set main body, even not having under the situation of VCR, according to its capacity, also can record the TV programme of certain hour.
PVR after having selected channel, automatically with the signal of current broadcast as data storing in hard disk, play simultaneously.Then, after the user pressed pause button, when when newly pressing broadcast button, the time point that PVR can suspend from the TV signal that stores continued to play.In addition, PVR can also provide the function of repetition for the user, and can carry out slow motion and play, and can skip the part of disliking seeing, searches and wants the part of watching, and have the editing saving function.
Following with reference to accompanying drawing, above-mentioned digital television receiver is described further.
Fig. 1 is the simple pie graph of existing digital television receiver.
As shown in Figure 1, digital television receiver comprises VSB tuner 100b, NTSC tuner 100a, VSB polyphony device 110, control device 115, inverse multiplexer portion 120, decoder 135, IDE control device 125, HDD130, output device 140, memory 150 assemblies such as grade.
The order of 115 pairs of user's inputs of above-mentioned control device makes an explanation, and sends its explain information to relevant apparatus.
Above-mentioned memory 150 comprises the DRAM of the bitmap form that flash memory and storing output device the showed imagination picture that stores transportation software.
Above-mentioned tuner 100 comprises and is used to receive the NTSC tuner 100a of simulated television and the VSB tuner 100b of receiving digital television.
Above-mentioned NSTC tuner 100a utilizes antenna, and the simulated television that sends is sent in the control device 115, and above-mentioned VSB tuner 100b utilizes above-mentioned antenna, and the Digital Television that sends is sent in the VSB polyphony device 110.
Above-mentioned VSB polyphony device 110 converts the wireless signal that above-mentioned VSB tuner 100b sends to the IF signal, and by control device 115, is sent in the above-mentioned inverse multiplexer portion 120.
Above-mentioned control device 115 becomes digital signal with the analog signal conversion that above-mentioned NSTC tuner 100a sends, and is sent in the above-mentioned inverse multiplexer portion 120.
Make the various information such as audio frequency, video, other data of multipleization processing in the signal that 120 pairs of above-mentioned control device 115 of above-mentioned inverse multiplexer portion send and carried out syntactic analysis (parsing).
Above-mentioned decoder 135 will make it to become the information that the user can watch through above-mentioned inverse multiplexer portion's 120 syntactic analyses audio frequency, vision signal and data-signal decoding afterwards, and by output device 140 outputs.
Audio frequency, vision signal and data-signal that above-mentioned IDE control device 125 is used for having passed through above-mentioned inverse multiplexer portion's 120 syntactic analyses and having obtained send out, and make it to be stored among the above-mentioned HDD130.
Above-mentioned HDD130 is used to store the TV signal that above-mentioned IDE control device 125 sends.
Above-mentioned digital composite television-set receiver is recorded Digital Television or simulated television and is stored on the built-in HDD130 when receiving and recording Digital Television, watches the TV programme of recording.
But, when wanting to store television programme data,, can only store a certain amount of TV programme, so can not store a large amount of TV data because the storage area in the receiving system is limited.This is the existing in prior technology defective.
Summary of the invention
Therefore, the objective of the invention is to provide a kind of digital composite television-set receiver that has the following advantages:
Use 1394 ports, the input source that receives from the digital complex radiovisor can be stored among the outside DVHS;
The data flow of outside DVHS can be stored in the digital receiver Storage Media that to record;
The backup of data flow in the digital receiver Storage Media can be stored among the outside DVHS.
To achieve these goals, the digital composite television-set receiver that the present invention will provide, based on the digital composite television-set receiver that has possessed tuner, memory, decoder, output device, also comprise following two parts: input signal is controlled, judge that can input signal store, according to judged result it is stored among above-mentioned memory or the DVHS, and output is stored in the signal among the DVHS or it can be stored in control device in the above-mentioned memory; The transport stream that conversion sends from above-mentioned control device makes it meet 1394 agreements, and is sent to above-mentioned DVHS, and perhaps the conversion of signals that will send from above-mentioned DVHS becomes transport stream, is sent to 1394 control device of control device.
Above-mentioned control device comprises again with lower member:
Judge the M/V sensing device that can above-mentioned input signal store;
When above-mentioned input signal is analog signal, convert thereof into the A/D conversion equipment of digital signal;
The path selection device that the path of signal input and output is selected.
Effect of the present invention:
As mentioned above, digital composite television-set receiver provided by the present invention has following effect:
Except that numeral is televised, also have various input source functions, and can in recording the joint product that stores this various signal, use 1394 ports, make it possess additional function;
Can store and backup among the DVHS with 1394 ports having stored content among the HDD of digital television receiver of PVR function;
Can watch the reflection that comprises multiple Trick Play with having transfer of content among the DVHS of 1394 ports in the HDD of digital television receiver with PVR function;
Can when watching simulated television and Digital Television, the content storage of playing be backuped among the DVHS with 1394 ports.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
Description of drawings
Fig. 1 is the simple pie graph of existing digital television receiver.
Fig. 2 is the simple pie graph as the digital composite television-set receiver of the embodiment of the invention.
Fig. 3 is the simple pie graph of control device shown in Fig. 2.
The symbol description of major part in the accompanying drawing:
200: tuner 205: transducer (Switching)
210:VSB polyphony device 215,300,308: control device
220:TS parser 225:IDE control device
230:HDD 235: decoder
240: output device 245:CPU
250: memory 255:MPEG decoder
260:1394 control device 265:1394 input/output port
302:MV sensing device 304:A/D conversion equipment
306: path selection device 310: download apparatus
312: conveyer 314,318: transducer (Switching)
316: upload device
Embodiment
Following with reference to accompanying drawing, do detailed explanation with regard to embodiments of the invention.
Fig. 2 is the simple pie graph as the digital composite television-set receiver of the embodiment of the invention; Fig. 3 is the simple pie graph of control device shown in Fig. 2.
As shown in Figure 2, digital composite television-set receiver of the present invention comprises assemblies such as tuner 200, transducer (Switching) 205, VSB polyphony device 210, control device 215, TS parser 220, IDE control device 225, HDD230, decoder 235, output device 240, CPU245, memory 250, mpeg decoder 255,1394 control device 260,1394 input/output ports 265.
Above-mentioned tuner 200 is made of the VSB tuner 200c that is used to intercept and capture the NTSC tuner 200b of anolog TV signals and be used for receiving digital television signal.
The analog wireless signals that above-mentioned NTSC tuner 200b will utilize antenna to receive is sent on the transducer (Switching) 205.
The digital wireless signal that above-mentioned VSB tuner 200c will utilize antenna to receive is sent in the VSB polyphony device 210.
Above-mentioned transducer 205 is changed analog signal and composite signal that above-mentioned NTSC tuner 200b sends, sends to control device 215 then.That is, above-mentioned transducer 205 converts above-mentioned composite signal to user required signal, then with its output.At this, above-mentioned composite signal refers to the signal of equipment outputs such as DVD player, VCR and STB.
Above-mentioned VSB polyphony device 210 converts the digital wireless signal that above-mentioned VSB tuner 200c sends to the IF signal, is sent to then on the control device 215.
Above-mentioned control device 215 mainly is to start to control to make to use, the analog signal conversion that above-mentioned transducer 205 is sent becomes digital signal, and television data stream has been stored into the DVHS of 1394 ports built-in, the data flow that is storing among the DVHS can be stored on the HDD230 of digital composite television-set receiver.
Above-mentioned control device 215 is described in further detail with reference to Fig. 3.As shown in Figure 3, control device 300 has comprised MV sensing device 302, A/D conversion equipment 304, path selection device 306, control device 308, download apparatus 310, conveyer 312, has uploaded parts such as device the 316, the 1st transducer the 314, the 2nd transducer 316.
Whether having Microvision in the composite signal that 302 pairs of above-mentioned transducers 205 of above-mentioned M/V sensing device send judges.That is, above-mentioned M/V sensing device 302 judges that whether above-mentioned composite signal is to forbid the signal that stores.
If above-mentioned composite signal has Microvision, just demonstrate and forbid the signal that stores, if do not have Microvision, just show the signal that can store.
Above-mentioned A/D conversion equipment 304 for when not having Microvision, becomes digital signal with relevant analog signal conversion in the judged result of above-mentioned M/V sensing device 302.At this moment, the above-mentioned conversion digital signal of coming can be 656 forms.
The TV signal that above-mentioned path selection device 306 sends at VSB tuner 200b when having obtained user VHS storage application order, is selected the path of above-mentioned TV signal, sends it in the download apparatus 310.At this moment, above-mentioned TV signal, sends it in the TS parser 220 by above-mentioned conveyer 312 according to the Path selection of above-mentioned path selection device 306.
In addition, above-mentioned path selection device 306 is receiving the digital signal that is stored on the VHS when watching order from above-mentioned user, select associated pathway, by uploading device 316, and the signal that sends by 318 outputs of the 2nd transducer.
Fig. 2 again in the signal that above-mentioned TS parser 220 sends at above-mentioned control device 215, has passed through the various information such as audio frequency, video and other data of multipleization processing and has carried out syntactic analysis (parsing).
The audio frequency, vision signal and the data-signal that obtain after the syntactic analysis of 235 pairs of above-mentioned TS parser 220 of process of above-mentioned decoder are decoded, and make these signals become the user and can watch signal, and by output device 240 outputs.
Audio frequency, vision signal and data-signal that above-mentioned IDE control device 225 obtains after will the syntactic analysis through above-mentioned TS parser 22 0 send out, and it is stored on the above-mentioned HDD230.
Above-mentioned HDD230 stores the TV signal that above-mentioned IDE control device 225 sends.
Above-mentioned memory 250 comprises the DRAM of the bitmap form that flash memory and storing output device the showed imagination picture that stores transportation software.
Above-mentioned 1394 control device 260 are sent to 1394 input/output ports 265 with the signal that above-mentioned control device 215 sends, and the signal that sends by above-mentioned 1394 input/output ports 265 among the DVHS is sent on the above-mentioned control device 215.
Below the operation of digital composite television-set receiver with above-mentioned formation is described.
At first, the method that is stored among the DVHS at the composite signal that input is come in describes.
If above-mentioned judged result is not have Microvision in the above-mentioned composite signal, above-mentioned M/V sensing device 302 will inform that above-mentioned composite signal can be stored among the above-mentioned HDD230.That is, above-mentioned M/V sensing device 302 will not have the composite signal of Microvision to be sent in the A/D conversion equipment 304, and analog signal conversion is become digital signal.
Digital signal through above-mentioned conversion is sent in the mpeg decoder 255, the boil down to mpeg format, and then be sent in the control device 215, the signal of above-mentioned control device 215 after with above-mentioned compression is sent to 1394 output ports 265 by 1394 control device 260.That is, above-mentioned transport stream is stored among the DVHS by the 1st transducer 314 in the control device 215 and download apparatus 310 and by 1394 control device 260 and 1394 input/output ports 265.
Next the digital signal of VSB tuner 200c input is stored into VHS and output intent describes.
At first, in VSB polyphony device 210, carry out polyphony, be generated as transmitting data stream by the digital signal of VSB tuner 200c input.The transport stream of above-mentioned generation is stored among the DVHS by 1394 control device 260 and 1394 input/output ports 265 through after path selection device 306 and the download apparatus 310 again.
As mentioned above, in order to watch the digital signal that is stored among the VHS, above-mentioned digital signal has been sent in the control device 215 by above-mentioned 1394 input ports 265 and 1394 control device 260.
Above-mentioned control device 215 utilizes the path of being selected by control device 308 and path selection device 306, by above-mentioned conveyer 312, above-mentioned digital signal is sent in the TS parser 220.In the signal that above-mentioned TS parser 220 sends at above-mentioned control device 215, passed through the various information such as audio frequency, video and other data of multipleization processing and carried out syntactic analysis (parsing), and sent it in the decoder 235.Then, the audio frequency, vision signal and the data-signal that obtain after the syntactic analysis of 235 pairs of above-mentioned TS parser 220 of process of above-mentioned decoder are decoded, and make these signals become the user and can watch signal, and by output device 240 outputs.
Describe at being stored into the method that the signal among the DVHS is stored among the HDD230 below by 1394 input/output ports 265.
Video data stream by 265 inputs of 1394 input/output ports converts transport stream in 1394 control device 260, and is sent in the control device 215.Above-mentioned transport stream is under the control of control device 308, by uploading device 316 and the 2nd transducer 318 has been sent in the TS parser 220.Above-mentioned TS parser 220 is by above-mentioned the 2nd transducer 318, after the transport stream that sends being processed into the information medium that the user wants, again to its encryption, by IDE control device 225 it is stored among the HDD230 then.
At by 1394 input/output ports 265, describe below being stored into the method that television data stream backs up among the above-mentioned HDD230.
The data flow that IDE control device 225 will be stored among the above-mentioned HDD230 is sent to TS parser 220.Above-mentioned TS parser 220 is decrypted at the above-mentioned data flow that sends, and passes through the 1st transducer 314 and the download apparatus 310 of above-mentioned control device 215, sends it in 1394 control device 260.
The above-mentioned transport stream of above-mentioned 1394 control device, 260 conversions makes it meet 1394 agreements, then it is backuped among the DVHS that connects by 1394 input/output ports 265.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (2)
1, a kind of digital composite television-set receiver, the digital composite television-set receiver based on having possessed tuner, memory, decoder, output device is characterized in that also comprising following two parts:
Input signal is controlled, judge that can input signal store, it is stored among described memory or the digital VTR DVHS, and output is stored in the signal among the digital VTR DVHS or it can be stored in control device in the described memory;
The transport stream that conversion sends from above-mentioned control device, make it meet 1394 agreements, and be sent to above-mentioned digital VTR DVHS or the conversion of signals that will send becomes transport stream from above-mentioned digital VTR DVHS, be sent to 1394 control device of control device.
2, digital composite television-set receiver as claimed in claim 1 is characterized in that described control device comprises with lower member:
Judge the M/V sensing device that can described input signal store;
When described input signal is analog signal, described analog signal conversion is become the A/D conversion equipment of digital signal;
The path selection device that the path of signal input and output is selected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100275433A CN1893571A (en) | 2005-07-06 | 2005-07-06 | Digital composite television-set receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100275433A CN1893571A (en) | 2005-07-06 | 2005-07-06 | Digital composite television-set receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1893571A true CN1893571A (en) | 2007-01-10 |
Family
ID=37598030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100275433A Pending CN1893571A (en) | 2005-07-06 | 2005-07-06 | Digital composite television-set receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1893571A (en) |
-
2005
- 2005-07-06 CN CNA2005100275433A patent/CN1893571A/en active Pending
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