Set-top box for network TV

A network TV and set-top box technology, applied in the field of image communication, can solve problems such as troubles and increased costs, and achieve high efficiency, low stand-alone cost, and good quality

Inactive Publication Date: 2006-11-29
上海金士林数码科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing set-top boxes only support 1-2 audio and video formats. If you need to support multiple audio and video formats, you need to replace the hardware, which is not only troublesome, but also increases the cost

Method used

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  • Set-top box for network TV
  • Set-top box for network TV
  • Set-top box for network TV

Examples

Experimental program
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Embodiment Construction

[0021] The present invention will be further described below in conjunction with drawings and embodiments.

[0022] refer to figure 1 , which is a block diagram of the set-top box of the present invention. As shown in the figure, the set-top box of the present invention includes a network processor (NP) 1, a high-speed decoder (DSP) 2, and is equipped with other accessories: storage unit, memory, Ethernet interface, serial interface, remote control interface, audio D / A conversion, audio frequency interface, video D / A conversion, video interface.

[0023] Described network processor (NP) 1 is the master controller of whole set-top box, and it receives and processes various data from IP network by network interface, and the audio-video data that parses out sends to high-speed decoding chip (DSP )superior.

[0024] The high-speed decoding chip (DSP) 2 is a decoding module of the set-top box, which is initialized by a network processor and runs a decoding program to convert aud...

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PUM

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Abstract

This invention relates to a set-top box of IPTV including an IP interface unit, a D/A converter, a peripheral interface unit, a memory and a device with a network processor and a high speed decode chip as the core, in which, the network processor is injected with a kit software of an inserted linuk operation system as the core to receive and process IP data by the interface and transmit audio and video data to the high speed decode chip, which decodes the data and outputs the signals by the D/A converter chip and the interface to realize functions of watching, selecting programs of IPTV, sending and receiving mails and browsing web pages by the set-top box.

Description

technical field [0001] The invention relates to an Internet television (IPTV) set-top box, which is used for watching Internet television (IPTV), and belongs to the technical field of image communication. Background technique [0002] With the advent of the Internet era, an intermediate device for conveniently realizing data sharing through the network has emerged as the times require, and a set-top box is one such device. The existing set-top boxes are divided into two categories: one is a digital TV set-top box, which receives digitally coded TV signals (from satellite or cable TV networks, using MPEG1 or MPEG2 compression), and converts them into analog audio and video signal output; The other type is the Internet TV set-top box, which can convert the received audio and video data on the IP network into analog audio and video signal output through decoding and analysis, and realize video on demand (VOD), electronic program guide (EPG), email, Functions including Internet...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/00H04N7/173H04N21/41
Inventor 黄莺波杨余军
Owner 上海金士林数码科技有限公司
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