Set top box

Abstract

The utility model provides a set-top box, relates to the technical field of set-top boxes, constructs a high-definition satellite set-top box meeting ABS-S and DTMB standards on a TVOS system, provides a set-top box software design scheme which adapts to and is optimized with a TVOS operating system, considers the practicability of different users, expands a 4G network function on the set-top box, and provides a set-top box software design scheme. The intelligent system and the Internet are highly integrated, so that the expandability of the functions of the set top box and the stability of the system are greatly improved. Hardware of the set top box is subjected to peripheral circuit design around HI3716 and GK6323, a 4G module (a 5G module can be expanded subsequently) is introduced into the set top box, and an SIM card of an operator can be inserted into the set top box. Satellite signals can be received, and the built-in loudspeaker can play broadcast. And the system can be connected with a network to directly watch and request latest movies and television plays.

Description

Technical Field

[0001] The utility model relates to the technical field of set-top boxes, in particular to a set-top box. Background Art

[0002] Currently, TV set-top boxes, as a core element of the digital TV industry chain, play a crucial role in the entire commercial operation of digital TV. In recent years, a series of changes in resource supply and product demand in the set-top box industry have led to a gradual shift of production and manufacturing from other countries and regions to China. In particular, the share of OTT services in the Chinese market has been increasing year by year. OTT set-top boxes have become a leading player in home entertainment, providing families with a rich variety of comprehensive information services, including communications, entertainment, home appliance control, and security.

[0003] With the widespread adoption of TVOS, the smart TV operating system, more and more broadcasters are choosing it as the operating system for their set-top boxes, and the system is constantly evolving. Furthermore, with growing awareness of ultra-high-definition (UHD), the launch of UHD channels, and the rollout of relevant national policies, the UHD video industry, represented by 4K, is entering a period of rapid development. Large-scale UHD video adoption is expected in broadcasting, education, entertainment, security surveillance, healthcare, intelligent transportation, industrial manufacturing, and other fields. As a key large-screen terminal product, 4G HD set-top boxes not only offer HD video on demand but also enable new features such as internet access, promising broad market prospects.

[0004] As the international landscape continues to shift, independent control of core technologies and products is becoming an increasingly pressing need for Chinese companies. However, in the past, the most common way for set-top boxes to connect to the internet and access rich content was to connect to a home network via Wi-Fi. This required installing broadband for use. For young professionals in remote areas or those who rent, installing broadband for this purpose might not be cost-effective.

[0005] In view of this, this application is filed. Utility Model Content

[0006] The utility model provides a set-top box, which can at least partially improve the above problems.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A set-top box comprises: a housing, a SOC module disposed inside the housing, a demodulator component, a remote control component, a dual network card component, a digital television data terminal, a Beidou positioning module, an HDMI interface, a network interface, a storage component, and a power supply;

[0009] The data end of the SOC module is electrically connected with the data end of the demodulator assembly, the data end of the remote control assembly, the data end of the dual network card assembly, the data end of the digital television, the data end of the Beidou positioning module and the data end of the storage assembly, the output end of the SOC module is electrically connected with the HDMI interface and the network interface, the power supply is electrically connected with the power end of the SOC module, the digital television data end is used for connecting with an external digital television receiving system, the HDMI interface is used for connecting with an external display device, and the network interface is used for connecting with an external electronic device.

[0010] The demodulator assembly is configured to demodulate ABS signals and OTMB signals, the Beidou positioning module is configured to transmit Beidou signals, the dual network card assembly is configured to provide 4G and WiFi network environments for the set top box, and the SOC module is configured to provide a TVOS operating system for the set top box.

[0011] Preferably, the chip model of the SOC module is GK6323.

[0012] Preferably, the demodulator assembly comprises an ABS demodulator and a DTMB demodulator, the data end of the ABS demodulator and the data end of the DTMB demodulator are electrically connected with the data end of the SOC module, the output end of the ABS demodulator is connected with a receiving demodulation device ABS-Tuner, and the output end of the DTMB demodulator is connected with a receiving demodulation device DTMB-Tuner.

[0013] Preferably, the remote control assembly comprises a Bluetooth remote control module and an infrared remote control module, the data end of the Bluetooth remote control module and the data end of the infrared remote control module are electrically connected with the data end of the SOC module.

[0014] Preferably, the dual network card assembly comprises a WiFi module, a 4G module and a SIM card slot, the data end of the WiFi module is electrically connected with the data end of the SOC module, the output end of the SOC module is electrically connected with the 4G module, and the output end of the 4G module is electrically connected with the SIM card slot.

[0015] Preferably, the storage assembly comprises a DDR3 memory and an EMMC memory, the data end of the DDR3 memory and the data end of the EMMC memory are electrically connected with the data end of the SOC module.

[0016] Preferably, the USB3.0 module is electrically connected with the SOC module.

[0017] Preferably, a loudspeaker is further included, an input end of the loudspeaker being electrically connected with an audio output end of the SOC module.

[0018] Preferably, a video output end is further included, the SOC module being connected with an external display device through the video output end.

[0019] In summary, the set top box is based on the GK6323 hardware platform, and a high-definition satellite set top box conforming to the ABS-S and DTMB standards is constructed on a TVOS system, an optimized set top box software design scheme is proposed, which is adapted to the TVOS operating system, the practicability of different user groups is considered, the 4G network function is expanded in the set top box, the high integration of the intelligent system and the Internet is realized, and the scalability of the set top box function and the stability of the system are greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a module schematic diagram of the set top box provided by the embodiment of the utility model;

[0021] Figure 2 is a software application architecture schematic diagram of the set top box provided by the embodiment of the utility model. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] The specific embodiments of the utility model will be described in detail below in combination with the drawings.

[0024] Please refer to Figure 1 The utility model discloses a set top box, comprising: casing, the SOC module of configuration in the inside of casing, demodulator subassembly, remote control subassembly, double network card subassembly, digital television data end, big dipper orientation module, HDMI interface, network interface, storage subassembly and power supply,

[0025] Among them, the data end of SOC module is electrically connected with the data end of demodulator subassembly, the data end of remote control subassembly, the data end of double network card subassembly, digital television data end, the data end of big dipper orientation module, the data end of storage subassembly, the output of SOC module is electrically connected with HDMI interface and network interface, the power end of power supply is electrically connected with SOC module, digital television data end is used for connecting with external digital television receiving system, HDMI interface is used for connecting with external display device, network interface is used for connecting with external electronic equipment,

[0026] Among them, demodulator subassembly is configured to demodulate ABS signal and OTMB signal, big dipper orientation module is configured to transmit big dipper signal, double network card subassembly is configured to provide 4G and WiFi two kinds of network environment for set top box, SOC module is configured to provide TVOS operating system for set top box.

[0027] Specifically, in the embodiment, in the place without broadband or WI FI coverage, can directly enter the network through 4G / 5G mobile network, increase CPE route integrated machine external function, based on the set top box of CPE technology, can watch online network television, also can when router provides network for other electronic equipment, more " magical " is self -contained wireless network, avoids the trouble of pulling broadband. WI FI at any time and anywhere, full network access three network switching, keeps high quality network speed experience at all times. 4K high definition video, 60 frame decoding, adopts four core performance processor, multi -core GPU renders more clearly. Solve the difficulty of remote area internet watching television, the annoyance of frequent floating population broadband transfer trouble. The main research content of the set top box includes: (1) introduce 4G module and WiFi double network card design and compatibility. Need to solve the difficulty of network card hardware selection and software control. (2) TVOS3.1 operating system transplantation and optimization. Based on the development of user application interface and hardware interface of android system, realize the stable operation of double network card function. (3) high definition play and online function compatibility. High definition decoding card and online network card coexist, do not interfere with each other, give consideration to high definition experience and network interaction. (4) hot plug and power management. Support the hot plug of 4G online module, and effectively manage the power supply of set top box.

[0028] Specifically, the set-top box first introduces a 4G module (which can be extended to a 5G module later), and the set-top box can insert a SIM card of an operator, supporting operators such as a radio and television operator, a mobile operator, a China Unicom operator, and a China Telecom operator. In a place without broadband or WI FI coverage, the set-top box can be directly connected to a network through a 4G / 5G mobile network, and the set-top box has a CPE external function, supports the set-top box as a hotspot, and serves as a network terminal for connecting other devices to the network.

[0029] Secondly, multi-mode fusion is being implemented, that is, the set-top box can watch domestic live satellite ABS standard high-definition satellite programs, and is also provided with a ground receiving function. Satellite programs are usually only programs of major television stations, and the addition of the ground receiving function enables local users to receive locally transmitted television signals and watch on-demand programs through a network or install other network terminal APPs to watch programs, thereby increasing the user's viewing experience.

[0030] Moreover, the set-top box is the first commercial application of a TVOS 3.1 operating system. The operating system is developed domestically, and especially in the aspect of interaction security, the operating system can encrypt user data and audio and video content to ensure system security. In the aspect of system application, the operating system can be compatible with Android applications, and the security of user data is more guaranteed.

[0031] In the set-top box, a high-integration high-definition decoding chip GK6323 is adopted, which is a full 4K high-performance SOC chip supporting 4K P60 decoding for the IPTV / OTT set-top box market. The chip integrates a 4-core 64-bit high-performance Cortex A53 processor and a multi-core high-performance 2D / 3D acceleration engine. The chip supports H.265 4Kx2K@P60 10bit ultra-high-definition video decoding, high-performance H.265 high-definition video encoding, HDR video decoding and display, and Do l by and DTS audio processing. The chip is provided with rich peripheral interfaces such as USB 2.0, USB 3.0, SDIO 3.0, and PCI e 2.0. The set-top box can support customers to realize full 4K service deployment, and the set-top box can maintain the best user experience in the aspects of image quality, code stream compatibility, video playing fluency, and overall performance.

[0032] Finally, the set-top box brings a new user experience channel browsing function, which enables users to quickly browse live television programs of all channels. The set-top box also has a video on-demand function, which enables users to watch the latest high-definition movies and various online video resources at home at any time. The set-top box also has a program guide function, which can contain a week of program forecasts, and the number of programs that can be reserved in advance can reach 20, thereby bringing users into a new world of television programs.

[0033] Preferably, the chip model of the SOC module is GK6323.

[0034] Specifically, in the embodiment, the set-top box adopts the chip GK6323 of Guoke Micro, a hardware system of a high-definition video decoder is designed according to the technical standard requirement of H.265, and on the basis, the design of software architecture, driving, decoding control and other software systems is completed, and the control software of various functions is realized.

[0035] GK6323 is a 4K high-performance live star set-top box SOC chip. The chip integrates a multi-core 64-bit high-performance A55 processor, supports high-performance 2D / 3D hardware acceleration, supports H.265 / AVS2 4K ultra-high-definition video decoding, supports H.265 / H.264 high-definition video encoding, has excellent audio-visual experience, and integrates rich peripheral interfaces, which can support customers to realize the diversified value-added business needs in the future. Support TVOS, DCAS, China DRM digital watermark and other domestic standards, fully meet the various video application scenarios in the 5G era; built-in security architecture, supporting national encryption SM2 / 3 / 4 encryption and decryption algorithm, providing more bottom layer chip-level technical security protection for broadcast television.

[0036] Preferably, the demodulator assembly includes an ABS demodulator and a DTMB demodulator, the data end of the ABS demodulator and the data end of the DTMB demodulator are electrically connected with the data end of the SOC module, the output end of the ABS demodulator is connected with a receiving demodulation device ABS-Tuner, and the output end of the DTMB demodulator is connected with a receiving demodulation device DTMB-Tuner.

[0037] Preferably, the remote control assembly includes a Bluetooth remote control module and an infrared remote control module, wherein the data end of the Bluetooth remote control module and the data end of the infrared remote control module are electrically connected with the data end of the SOC module.

[0038] Preferably, the dual-network card assembly includes a WiFi module, a 4G module, and a SIM card slot, wherein the data end of the WiFi module is electrically connected with the data end of the SOC module, the output end of the SOC module is electrically connected with the 4G module, and the output end of the 4G module is electrically connected with the SIM card slot.

[0039] Preferably, the storage assembly includes a DDR3 memory and an EMMC memory, wherein the data end of the DDR3 memory and the data end of the EMMC memory are electrically connected with the data end of the SOC module.

[0040] Preferably, the USB3.0 module is electrically connected with the SOC module.

[0041] Preferably, a loudspeaker is further included, and the input end of the loudspeaker is electrically connected with the audio output end of the SOC module.

[0042] Preferably, a video output terminal is further included, and the SOC module is connected with an external display device through the video output terminal.

[0043] Specifically, in the embodiment, the microwave signal is accessed into the set-top box in two ways, i.e. a low frequency band (100-900 MHz) and a high frequency band (900-2150 MHz), the ABS signal and the Beidou signal are transmitted through the high frequency band, and the DTMB is transmitted through the low frequency band. Since a user can only watch one station at a time, although the machine is multi-mode, only one mode will be in working state and the other modes will be in standby state, and the working mode is determined by the properties of the station. The two front ends have respective TUNER ICs for signal processing, including signal amplification and frequency selection, and finally convert the intermediate frequency signal into a standard TS stream in the demodulation IC corresponding to the respective different receiving system. The TS is transmitted to the audio and video decoding module in the CPU, and the decoded audio and video are output through the AV port and the HDMI port, respectively. The TS stream can also be obtained through the built-in 4G or WI FI module, and then transmitted to the CPU for decoding.

[0044] In the embodiment, the hardware system structure design scheme of the set-top box mainly includes two parts, one is a communication interface and the other is a core processing. The communication interface includes a SIM card slot, an RJ-45 network interface / Wi-Fi for completing bidirectional communication of data, a satellite signal input port, a ground antenna signal input port, a built-in loudspeaker and a Beidou positioning, an IR interface for an infrared remote controller, and a Bluetooth interface supporting remote control, voice, Bluetooth speaker and other devices.

[0045] The core processing includes a CPU running an operating system to complete part of audio and video playing and other functions, support of ARM architecture, support of national secret algorithm and support of DCAS; a GPU to complete graphic and video processing functions; support of high-definition and ultra-high-definition video and audio picture coding and decoding to complete video, audio and picture decoding and encoding processing functions; graphic and display processing to complete video and graphic scaling, brightness, chroma, contrast, saturation adjustment and video image quality processing functions; storage control to complete connection control of memory and storage; and peripheral interfaces to complete video and audio output, peripheral interface USB connection and other functions.

[0046] Please refer to Figure 2 , the software control module design of the software application architecture system based on the GK6323 platform of Guokemicro, the digital media processing software platform realizes the bottom shielding of the application software, and directly provides an API interface for the application software to complete the corresponding functions. The application architecture can be divided into the following levels:

[0047] (1) Application Layer: The application layer is mainly composed of media players, browsers, master software, various service software, and third-party middleware (such as data broadcast), and is the final specific service display layer.

[0048] (2) API Layer: The API layer provides media decoding, playing, graphics, driving, and operating system function calls for the upper layer application, and is a package of chip driving, peripheral interface driving, peripheral device driving, and operating system functions.

[0049] (3) System Layer: The system layer is mainly composed of an operating system kernel, various protocol modules, and third-party components. The driving layer functional modules provide API interfaces in the system layer for application software to directly call to implement corresponding functions. When used, users can add functional modules such as network management, logs, upgrades, and the like in the system layer.

[0050] (4) Driving Layer: The driving layer implements bottom layer hardware driving, including media processing hardware module driving, peripheral interface driving, and peripheral device driving.

[0051] (5) Hardware Layer: The hardware layer is composed of a main chip plus necessary peripheral devices. The peripheral devices include Flash, DDR, IR, LEDs, KEYS, audio DA, video DA, Tuner module, and the like. The media processing software SDK can implement the following functions: operation of the chip media processing hardware, demultiplexing, descrambling, decoding, outputting, and the like of audio and video media streams, and providing API interfaces for the upper layer application software. The software platform can be divided into the following functional modules:

[0052] 1) DEMUX Module: Implementing TS stream demultiplexing function;

[0053] 2) AVPLAY Module: Implementing various stream playing control;

[0054] 3) DISPLAY Module: Implementing video and graphics mixed output module, completing display output (such as attribute) control;

[0055] 4) SOUND Module: Implementing audio output attribute control;

[0056] 5) Peripheral Driving Module: Implementing peripheral driving, including KEYs, IR, LEDs, Tuner module access control;

[0057] 6) PVR Module: Implementing audio and video recording and playback functions.

[0058] In the embodiment, the main technical route of the set top box is: formulating the product scheme and function design of the 4G online high-definition set top box; selecting the 4G and WiFi card module, and designing the interface control scheme; developing the system based on TVOS3.0, realizing the 4G and WiFi dual network function, and optimizing the system; selecting the high-definition playing main chip, determining the hardware compatible scheme with the 4G card; and completing the hot plug and power management scheme design of the 4G online module.

[0059] In conclusion, the set top box first introduces the 4G module (which can be extended to 5G module later), the set top box can insert the SIM card of the operator, and supports the operators such as the radio and television, mobile, communication, and telecommunication. In the place without broadband or WiFi coverage, the set top box can be directly connected to the network through the 4G / 5G mobile network, and the CPE external function is added, the set top box can be used as a hotspot and a network terminal to connect other devices to the network, which solves the problem of difficult access to the Internet and watching TV in remote areas and the trouble of frequent broadband transfer of floating population, and meets the needs of users for the integration of high-definition video and Internet. The product is still in the initial stage of blank in the domestic market, which helps to seize the market opportunity, improves the market competitiveness of the enterprise, and has a good development prospect. The product meets the different requirements of different countries or regions for the television playing and receiving mode, is in line with the needs of the future high-tech market, and has great significance for promoting the development of the digital receiver industry and realizing the sustainable development of circular economy. The set top box has the advantages of high technology, stable and reliable receiving performance, simple operation, easy maintenance, and the like.

[0060] The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited to the above-mentioned embodiments, and any technical scheme under the idea of the utility model belongs to the protection scope of the utility model.

Claims

1. A set-top box, characterized in that: include: A housing, a SOC module configured inside the housing, a demodulator component, a remote control component, a dual network card component, a digital TV data terminal, a Beidou positioning module, an HDMI interface, a network interface, a storage component, and a power supply; The data end of the SOC module is electrically connected to the data end of the demodulator component, the data end of the remote control component, the data end of the dual network card component, the digital TV data end, the data end of the Beidou positioning module, and the data end of the storage component; the output end of the SOC module is electrically connected to the HDMI interface and the network interface; the power supply is electrically connected to the power end of the SOC module; the digital TV data end is used to connect to an external digital TV receiving system; the HDMI interface is used to connect to an external display device; and the network interface is used to connect to an external electronic device; Among them, the demodulator component is configured to demodulate ABS signals and OTMB signals, the Beidou positioning module is configured to transmit Beidou signals, the dual network card component is configured to provide the set-top box with two network environments, 4G and WiFi, and the SOC module is configured to provide the set-top box with the TVOS operating system.

2. A set-top box according to claim 1, characterized in that: The chip model used by the SOC module is GK6323.

3. A set-top box according to claim 1, characterized in that: The demodulator component includes an ABS demodulator and a DTMB demodulator. The data end of the ABS demodulator and the data end of the DTMB demodulator are electrically connected to the data end of the SOC module. The output end of the ABS demodulator is connected to the receiving demodulation device ABS-Tuner, and the output end of the DTMB demodulator is connected to the receiving demodulation device DTMB-Tuner.

4. A set-top box according to claim 1, characterized in that: The remote control assembly includes a Bluetooth remote control module and an infrared remote control module, wherein the data end of the Bluetooth remote control module and the data end of the infrared remote control module are electrically connected to the data end of the SOC module.

5. A set-top box according to claim 1, characterized in that: The dual network card assembly includes a WiFi module, a 4G module, and a SIM card slot, wherein the data end of the WiFi module is electrically connected to the data end of the SOC module, the output end of the SOC module is electrically connected to the 4G module, and the output end of the 4G module is electrically connected to the SIM card slot.

6. A set-top box according to claim 1, characterized in that: The storage component includes a DDR3 memory and an EMMC memory, wherein a data end of the DDR3 memory and a data end of the EMMC memory are electrically connected to a data end of the SOC module.

7. A set-top box according to claim 1, characterized in that: It also includes a USB3.0 module, which is electrically connected to the SOC module.

8. A set-top box according to claim 1, characterized in that: It also includes a speaker, the input end of the speaker is electrically connected to the audio output end of the SOC module.

9. A set-top box according to claim 1, characterized in that: It also includes a video output terminal, and the SOC module is connected to an external display device through the video output terminal.

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