CN202121726U - Device and system for cooperating with common standard definition digital television set top box to complete high definition broadcasting - Google Patents
Device and system for cooperating with common standard definition digital television set top box to complete high definition broadcasting Download PDFInfo
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- CN202121726U CN202121726U CN 201120227387 CN201120227387U CN202121726U CN 202121726 U CN202121726 U CN 202121726U CN 201120227387 CN201120227387 CN 201120227387 CN 201120227387 U CN201120227387 U CN 201120227387U CN 202121726 U CN202121726 U CN 202121726U
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- high definition
- signal output
- output interface
- dtv stb
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Abstract
The utility model relates to the technology of set top boxes. The utility model solves the problem that the current common standard definition digital television set top box can not broadcast high definition programs and provides a device and a system for cooperating with the common standard definition digital television set top box to complete high definition broadcasting. The technical scheme is that the device comprises a processor, an RS 232 interface, a tuner, a QAM demodulation module, a demultiplexer, an H.264MPEG2 decoder, an HDM1 video signal output interface and an audio signal output interface. Beneficial effects are that cost is saved, and convenience is provided for users. The device and the system are particularly suitable for digital television set top boxes.
Description
Technical field
The utility model relates to set-top box technique, particularly the technology of DTV STB function.
Background technology
Through nearly 10 years development; The DTV industry has developed into a stage of popularizing very much; Continuous development along with technology; At present to have developed into present high definition, two-way, PVR etc. by originally simple SD individual event STB powerful for DTV STB; The various digital television receiving apparatus of fully meeting consumers' demand, but exist the simple SD STB of a large amount of functions on the market, can not support watching of high definition program; Can't satisfy users' individual demand; If comprehensively, can cause serious waste, and fund expends huge with the various digital television receiving apparatus of old-fashioned set top box upgrading for support high definition program; Be that radio and TV operator and user are loth, and H.264 present HD video major part can adopt (the common compression of digital video form of new generation that proposes of International Organization for Standardization and International Telecommunication Union) MPEG2 (live image and the acoustic coding standard 2 of Motion Picture Experts Group's promulgation) decoder to decode.
The utility model content
The purpose of the utility model is to overcome the shortcoming that present common SD DTV STB can't be watched the HDTV program, provides a kind of and cooperates common SD DTV STB to accomplish equipment and system that high definition is play.
The utility model solves its technical problem; The technical scheme that adopts is that the equipment that cooperates common SD DTV STB completion high definition to play is characterized in that; Comprise processor, RS232 interface, tuner, QAM (Quadrature AmplitudeModulation quadrature amplitude modulation) demodulation module, demodulation multiplexer, descrambler, H.264MPEG2 decoder, video signal output interface and audio signal output interface; Said RS232 interface is connected with processor, and tuner is connected with processor, and the QAM demodulation module is connected with processor; The QAM demodulation module links with demodulation multiplexer; Descrambler is connected with processor, and descrambler is connected with demodulation multiplexer, and demodulation multiplexer is connected with decoder H.264MPEG2; H.264MPEG2 decoder is connected with processor, and H.264MPEG2 decoder is connected with video signal output interface and audio signal output interface.
Concrete, said video signal output interface comprises HDMI (High Definition Multimedia Interface HDMI) signal output interface and ordinary video signal output interface.
Cooperate common SD DTV STB to accomplish the high definition playing system; Comprise top box of digital machine, television set and digital TV network; Said DTV STB is connected with digital TV network; And be connected with television set; It is characterized in that, also comprise cooperating common SD DTV STB to accomplish the equipment that high definition is play that said DTV STB is connected with the RS232 interface of the equipment that cooperates common SD DTV STB completion high definition to play; The tuner that cooperates common SD DTV STB to accomplish the equipment of high definition broadcast is connected with digital TV network, and the video signal output interface and the audio signal output interface that cooperate common SD DTV STB to accomplish the equipment of high definition broadcast are connected with television set.
The beneficial effect of the utility model is; Accomplish equipment and the system that high definition is play through the common SD DTV STB of above-mentioned cooperation; Can be under the situation that does not change the DTV STB internal circuit configuration; Cost with seldom increases an equipment that cooperates common SD DTV STB to accomplish the high definition broadcast, can make user's television set can watch the HDTV program, and its operation can be controlled through the RS232 interface that is connected with DTV STB; Very convenient, and cost is lower.
Description of drawings
Fig. 1 device structure block diagram that common SD DTV STB completion high definition is play for present embodiment cooperates;
Fig. 2 is common SD DTV STB completion high definition playing system structured flowchart for present embodiment cooperates.
Embodiment
Below in conjunction with embodiment, describe the technical scheme of the utility model in detail.
The equipment that the common SD DTV STB of the said cooperation of the utility model is accomplished the high definition broadcast is connected with processor by the RS232 interface; Tuner is connected with processor; The QAM demodulation module is connected with processor, and the QAM demodulation module links with demodulation multiplexer, and descrambler is connected with processor; Descrambler is connected with demodulation multiplexer; Demodulation multiplexer is connected with decoder H.264MPEG2, and H.264MPEG2 decoder is connected with processor, and H.264MPEG2 decoder and video signal output interface and audio signal output interface connect to form.Cooperating common SD DTV STB to accomplish the high definition playing system is connected with digital TV network by DTV STB; And be connected with television set; DTV STB is connected with the RS232 interface that cooperates common SD DTV STB to accomplish the equipment of high definition broadcast; The tuner that cooperates common SD DTV STB to accomplish the equipment that high definition plays is connected with digital TV network, cooperates video signal output interface and audio signal output interface and the television set of the equipment of common SD DTV STB completion high definition broadcast to connect to form.
Embodiment
The video signal output interface that the common SD DTV STB of this routine cooperation is accomplished the equipment of high definition broadcast comprises HDMI signal output interface and ordinary video signal output interface; Its structured flowchart such as Fig. 1 cooperate common SD DTV STB to accomplish high definition playing system structured flowchart such as Fig. 2.
At first be connected with processor by the RS232 interface; Tuner is connected with processor, and the QAM demodulation module is connected with processor, and the QAM demodulation module links with demodulation multiplexer; Descrambler is connected with processor; Descrambler is connected with demodulation multiplexer, and demodulation multiplexer is connected with decoder H.264MPEG2, and H.264MPEG2 decoder is connected with processor; H.264MPEG2 decoder connects to form with video signal output interface and audio signal output interface and cooperates common SD DTV STB to accomplish the equipment that high definition is play, and wherein video signal output interface comprises HDMI signal output interface and ordinary video signal output interface.
Again DTV STB is connected with digital TV network; And be connected with television set; DTV STB is connected with the RS232 interface that cooperates common SD DTV STB to accomplish the equipment of high definition broadcast; The tuner that cooperates common SD DTV STB to accomplish the equipment of high definition broadcast is connected with digital TV network, and the HDMI signal output interface, ordinary video signal output interface and the audio signal output interface that cooperate common SD DTV STB to accomplish the equipment of high definition broadcast connect to form with television set and cooperates common SD DTV STB to accomplish the high definition playing system.
Can control the common SD DTV STB of said cooperation through the RS232 interface through the software program of revising DTV STB and accomplish the equipment that high definition is play, again by cooperate common SD DTV STB accomplish equipment that high definition plays to television set through video signal output interface and audio signal output interface with high-definition video signal, ordinary video signal and audio signal output to television set.
Claims (3)
1. cooperate common SD DTV STB to accomplish the equipment that high definition is play; It is characterized in that comprise processor, RS232 interface, tuner, QAM demodulation module, demodulation multiplexer, descrambler, H.264MPEG2 decoder, video signal output interface and audio signal output interface, said RS232 interface is connected with processor; Tuner is connected with processor; The QAM demodulation module is connected with processor, and the QAM demodulation module links with demodulation multiplexer, and descrambler is connected with processor; Descrambler is connected with demodulation multiplexer; Demodulation multiplexer is connected with decoder H.264MPEG2, and H.264MPEG2 decoder is connected with processor, and H.264MPEG2 decoder is connected with video signal output interface and audio signal output interface.
2. accomplish the equipment that high definition is play according to the common SD DTV STB of the said cooperation of claim 1, it is characterized in that said video signal output interface comprises HDMI signal output interface and ordinary video signal output interface.
3. cooperate common SD DTV STB to accomplish the high definition playing system; Comprise top box of digital machine, television set and digital TV network; Said DTV STB is connected with digital TV network; And be connected with television set; It is characterized in that, also comprise cooperating common SD DTV STB to accomplish the equipment that high definition is play that said DTV STB is connected with the RS232 interface of the equipment that cooperates common SD DTV STB completion high definition to play; The tuner that cooperates common SD DTV STB to accomplish the equipment of high definition broadcast is connected with digital TV network, and the video signal output interface and the audio signal output interface that cooperate common SD DTV STB to accomplish the equipment of high definition broadcast are connected with television set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120227387 CN202121726U (en) | 2011-06-30 | 2011-06-30 | Device and system for cooperating with common standard definition digital television set top box to complete high definition broadcasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120227387 CN202121726U (en) | 2011-06-30 | 2011-06-30 | Device and system for cooperating with common standard definition digital television set top box to complete high definition broadcasting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202121726U true CN202121726U (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120227387 Expired - Lifetime CN202121726U (en) | 2011-06-30 | 2011-06-30 | Device and system for cooperating with common standard definition digital television set top box to complete high definition broadcasting |
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| Country | Link |
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| CN (1) | CN202121726U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102905179A (en) * | 2012-09-28 | 2013-01-30 | 青岛旲天下智能科技有限公司 | Digital home terminal capable of being flexible for separating and combined for use |
-
2011
- 2011-06-30 CN CN 201120227387 patent/CN202121726U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102905179A (en) * | 2012-09-28 | 2013-01-30 | 青岛旲天下智能科技有限公司 | Digital home terminal capable of being flexible for separating and combined for use |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SICHUAN CHANGHONG NETWORK TECHNOLOGY CO., LTD. Assignor: Sichuan Changhong Electrical Appliance Co., Ltd. Contract record no.: 2015510000048 Denomination of utility model: Device and system for cooperating with common standard definition digital television set top box to complete high definition broadcasting Granted publication date: 20120118 License type: Exclusive License Record date: 20150527 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |
|
| CX01 | Expiry of patent term |