CN210536828U

CN210536828U - Ground digital set top box system

Info

Publication number: CN210536828U
Application number: CN201921823293.8U
Authority: CN
Inventors: 谭飞; 侯必义
Original assignee: Shenzhen Jiashibai Technology Co ltd
Current assignee: Jiangxi Zhaochi Jingxian Co ltd; Shenzhen MTC Co Ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-05-15
Anticipated expiration: 2029-10-28

Abstract

The utility model is suitable for a STB field provides a ground digital STB system, including power module, master control treater, short distance wireless communication module, tuner module, demodulator module, audio frequency and video drive module, audio frequency processing module, audio input module and display module. The utility model discloses increased a plurality of modules, realized the function of multiple STB system, solved the tedious, compatible problem of a plurality of equipment of tradition, promoted the reliability and the uniformity of product, reduced the consumption cost.

Description

Ground digital set top box system

Technical Field

The utility model belongs to the STB field especially relates to a ground digital STB system.

Background

The traditional ground digital set-top box receives ground digital television and broadcast programs, and transmits television and broadcast signals to a television for playing after the programs are processed by a main control processor. The network set-top box in the prior art processes the television and broadcast programs on the network through a wired or wireless network channel and then plays the processed programs through a television.

In actual use, the digital ground set top box has stable signals and smooth programs, but the signal source is controlled by the front end, the program source is limited, and the playing progress is limited; by using the network set top box, a user can obtain more signal sources, programs can be continuously downloaded or watched according to the requirements of the user, but the signals are unstable, and the fluency is limited by network bandwidth; in addition, in the home network, if a user wants to sing, the user can connect the karaoke machine independently and connect the loudspeaker box device, and the combination of various devices causes the redundancy of home network devices.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a ground digital set-top box system, which aims to solve the problems that the signal source of the ground digital set-top box is controlled by the front end, the program source is limited and the playing progress is limited; the signal using the network set top box has instability, and the fluency is limited by the network bandwidth; and when the user wants to song K, the user can independently connect the song K machine and the sound box equipment, and the combination of various equipment causes the complexity of the household network equipment.

The utility model provides a ground digital set-top box system, which comprises a power module, a main control processor, a short-distance wireless communication module, a tuner module, a demodulator module, an audio and video driving module, an audio processing module, an audio input module and a display module; the power supply module is respectively connected with the main control processor, the short-distance wireless communication module, the tuner module, the demodulator module, the audio and video driving module, the audio processing module, the audio input module and the display module; the main control processor is respectively connected with the short-distance wireless communication module, the tuner module, the demodulator module, the audio and video driving module, the audio processing module, the audio input module and the display module; the audio processing module is also connected with the audio input module and the audio and video driving module respectively; the tuner module is connected with the demodulator module.

The utility model adds the short distance wireless communication module on the basis of the prior digital ground set-top box, can surf the internet to search and broadcast programs, and enriches the program source; the audio processing module and the audio input module are added, so that karaoke can be directly played without external equipment; the tuner module and the demodulator module realize the stable output of the set-top box signals; the alarm clock information and the event voice prompt information are connected to the main control processor through the audio input module, the SUB interface or the SD storage module, so that the alarm clock reminding and event voice reminding functions are realized; the utility model discloses a function of multiple STB system has reduced family's network equipment quantity, uses convenient simple, improves user experience, reduces the consumption cost.

Drawings

Fig. 1 is a circuit block diagram of a terrestrial digital set-top box system according to a first embodiment of the present invention.

Fig. 2 is a circuit block diagram of a terrestrial digital set-top box system according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantageous effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to explain the technical solution of the present invention, the following description is made by using specific examples.

Referring to fig. 1, a terrestrial digital set-top box system according to an embodiment of the present invention includes a power module 101, a main control processor 102, a short-distance wireless communication module (e.g., a WIFI module 105, a bluetooth module 106), a tuner module 107, a demodulator module 108, an audio/video driving module 109, an audio processing module 110, an audio input module 111, and a display module 112; the power module 101 is respectively connected with the WIFI module 105, the bluetooth module 106, the tuner module 107, the demodulator module 108, the audio and video driving module 109, the audio processing module 110, the audio input module 111 and the display module 112; the main control processor 102 is respectively connected with the WIFI module 105, the bluetooth module 106, the tuner module 107, the demodulator module 108, the audio/video driving module 109, the audio processing module 110, the audio input module 111 and the display module 112; the audio processing module 110 is also connected to an audio input module 111 and an audio video driver module 109, respectively.

The first embodiment of the present invention provides power to each functional module by the power module, and is controlled by the main control processor 102 to control the turn-off of the power supply of the relevant module during standby.

The main control processor 102 controls the keys and scan control chip of the display module 112, analyzes the key functions and controls the status display of the set-top box. The display module 112 may display broadcast tv program information and may also display music information related to the karaoke.

In the first embodiment of the present invention, the terrestrial digital set-top box may further include a Flash module 103 and a DDR module 104 connected to the power module 101 and the main control processor 102, respectively.

The embodiment of the utility model provides an in, main control processor 102 passes through WIFI module 105, can carry out two-way wireless network interaction, carries out the online, searches for and broadcasts web television, movie program.

The main control processor 102 may be connected to peripheral bluetooth devices through the bluetooth module 106 to play related audio/video programs, or may be connected to a bluetooth remote controller to control set-top box devices.

In the first embodiment of the present invention, the tuner module 107 and the demodulator module 108 may be separate modules and connected. The tuner module 107 receives signals from the antenna, converts radio frequency signals into intermediate frequency signals, and transmits the intermediate frequency signals to the demodulator module 108, and the demodulator module 108 transmits the intermediate frequency signals to the main control processor 102 in a serial or parallel manner.

Alternatively, the tuner module 107 and the demodulator module 108 are integrated into the same module and connected to the master processor 102.

Alternatively, the demodulator module 108 is integrated into the main processor 102 and the intermediate frequency signal from the tuner module 107 circuit is directly connected to the main processor. The main control processor distinguishes different digital television programs by demultiplexing the received output signals of the demodulator module, extracts corresponding video, audio and data streams and decodes the corresponding video, audio and data streams.

In the first embodiment of the present invention, the audio input module 111 collects and processes the voice signal through the microphone, and sends the voice signal to the audio processor module 110 or the main control processor 102; the audio processing module 110 processes the signal received from the main control processor 102 or the audio input module 111, and inputs the processed signal to the speaker.

Referring to fig. 2, a terrestrial digital set-top box system provided by the second embodiment of the present invention differs from the terrestrial digital set-top box system provided by the first embodiment of the present invention in that: also included are a digital audio interface 213, an AV interface 214, an HDMI interface 215, a network interface 216, a speaker 217, an SD storage interface 218, and a USB interface 219.

The embodiment of the utility model provides an in two, digital audio interface 213 links to each other with the master control treater, and the master control treater accomplishes the back of decoding, exports digital audio signal to digital audio interface 213.

The embodiment of the utility model provides an in the second, AV interface 214 connects audio frequency and video drive module or master control treater, and the master control treater is accomplished and is decoded the back, restores out the audio frequency and video signal of simulation, exports audio frequency and video drive module, and audio frequency and video drive module handles the audio frequency and video signal that master control treater transmission was come, transmits AV interface 214 again. Or the master processor directly outputs the processed analog audio-video signals to the AV interface 214.

The embodiment of the utility model provides an in the second, HDMI interface 215 is connected with the master control treater, accomplishes the back of decoding at the master control treater, through the code, directly exports relevant display device through HDMI interface 215 with high definition digital signal.

The embodiment of the utility model provides an in two, wired network interface 216 links to each other with the master control treater, and the master control treater passes through wired network interface, receives and sends the order, carries out two-way wired network and interacts.

The embodiment of the utility model provides an in the second, SD storage module 218 links to each other with the master control treater, reads and carries out relevant content and command in the SD card, can operate relevant software program in the SD card or play relevant program, audio and video information in the SD storage module 218.

In the second embodiment of the present invention, the USB interface 219 is connected to the main control processor, and is used for playing contents of mobile devices such as a USB disk and a hard disk; the master processor receives and transmits signals through the USB interface 219; recording information to mobile equipment such as a U disk, a hard disk and the like through the interface;

the sound box 217 provided by the second embodiment of the present invention comprises a speaker and a cavity, and is connected to the audio processing module; the sound box 217 is configured to receive the signal processed by the main control processor or the audio signal of the processed audio input module, and play the signal through a speaker. The set top box is integrated with the sound box, the sound box and audio input, acquisition and processing are integrated, and the karaoke function can be directly realized.

The embodiment of the utility model provides a two can be connected to the master control treater with alarm clock information, incident voice prompt information through audio input module, USB interface 219 or SD storage module 218, realize that the alarm clock is reminded, incident voice is reminded.

The embodiment of the utility model adds the short distance wireless communication module on the basis of the existing digital ground set-top box, can surf the internet, searches and broadcasts programs in the network, and enriches the program source; the audio processing module and the audio input module are added, so that karaoke can be directly played without external sound box equipment; the tuner module and the demodulator module realize the stable output of the set-top box signals; the alarm clock information and the event voice prompt information are connected to the main control processor through the audio input module, the SUB interface or the SD storage module, so that the alarm clock reminding and event voice reminding functions are realized; the embodiment of the utility model provides a realized the function of multiple STB system, reduced family's network equipment quantity, it is convenient simple to use, improves user experience, reduces the consumption cost.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A ground digital set-top box system is characterized by comprising a power supply module, a main control processor, a short-distance wireless communication module, a tuner module, a demodulator module, an audio and video driving module, an audio processing module, an audio input module and a display module; the power supply module is respectively connected with the main control processor, the short-distance wireless communication module, the tuner module, the demodulator module, the audio and video driving module, the audio processing module, the audio input module and the display module; the main control processor is respectively connected with the short-distance wireless communication module, the tuner module, the demodulator module, the audio and video driving module, the audio processing module, the audio input module and the display module; the audio processing module is also connected with the audio input module and the audio and video driving module respectively; the tuner module is connected with the demodulator module.

2. The terrestrial digital set-top box system according to claim 1, wherein the short-range wireless communication module includes a WIFI module and a bluetooth module.

3. A terrestrial digital set-top box system according to claim 1, wherein the tuner module and the demodulator module are independent and connected; or

The tuner module and the demodulator module are integrated into the same module and connected with a main control processor; alternatively, the first and second electrodes may be,

the demodulator module is integrated into the main processor, and the intermediate frequency signal from the tuner module circuit is directly connected to the main processor.

4. The terrestrial digital set-top box system according to claim 1, wherein the terrestrial digital set-top box system further comprises an SD memory module, a Flash module and/or a DDR module respectively connected to the power supply module and the main control processor.

5. The terrestrial digital set-top box system according to claim 1, wherein the terrestrial digital set-top box system further comprises a cable network interface connected to the master processor, the master processor receiving and sending commands via the cable network interface for cable network bi-directional interaction.

6. The terrestrial digital set-top box system according to claim 1, wherein the terrestrial digital set-top box system further comprises an HDMI interface connected to the master processor.

7. The terrestrial digital set-top box system according to claim 1, wherein the terrestrial digital set-top box system further comprises a USB interface connected to the master processor.

8. The set-top box system of claim 1, further comprising a digital audio interface coupled to the power module and the host processor, respectively, for receiving the digital audio-visual signals decoded by the host processor.

9. A terrestrial digital set-top box system according to claim 1, wherein the terrestrial digital set-top box system further comprises an AV interface connected to the audio video driver module or to the master processor.

10. The terrestrial digital set-top box system according to claim 1, wherein the terrestrial digital set-top box system further comprises a speaker box coupled to the audio processing module.