TWI266533B - Analog/digital set-top box - Google Patents

Analog/digital set-top box Download PDF

Info

Publication number
TWI266533B
TWI266533B TW094121939A TW94121939A TWI266533B TW I266533 B TWI266533 B TW I266533B TW 094121939 A TW094121939 A TW 094121939A TW 94121939 A TW94121939 A TW 94121939A TW I266533 B TWI266533 B TW I266533B
Authority
TW
Taiwan
Prior art keywords
digital
analog
signal
image signal
housing
Prior art date
Application number
TW094121939A
Other languages
Chinese (zh)
Other versions
TW200701788A (en
Inventor
Ming-Yao Lu
Chi-Lin Tsai
Jui-Hsiang Yang
Ming-Hou Dai
Original Assignee
Avermedia Tech Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Avermedia Tech Inc filed Critical Avermedia Tech Inc
Priority to TW094121939A priority Critical patent/TWI266533B/en
Priority to DE102006006295A priority patent/DE102006006295A1/en
Priority to FR0601465A priority patent/FR2888075B1/en
Priority to GB0604607A priority patent/GB2427778A/en
Application granted granted Critical
Publication of TWI266533B publication Critical patent/TWI266533B/en
Publication of TW200701788A publication Critical patent/TW200701788A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
    • H04N21/4263—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific tuning arrangements, e.g. two tuners
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards

Abstract

An analog/digital set-top box is used with a digital TV signal source, an analog TV signal source and a display. The analog/digital set-top box includes a housing; a digital demodulating unit disposed in the housing for receiving and demodulating a digital TV signal outputted by the digital TV signal source into a digital data flow; a decoder disposed in the housing and electrically connected to the digital demodulating unit for receiving and decoding the digital data flow into a first image signal; an analog demodulating unit disposed in the housing for receiving and demodulating an analog TV signal outputted by the analog TV signal source into a second image signal; an image signal processor disposed in the housing and electrically connected to the decoder, the analog demodulating unit and the display for receiving and processing the first and second image signals into a display signal for the display; and a micro-controller disposed in the housing and electrically connected to the digital demodulating unit, the decoder, the analog demodulating unit and the image signal processor for controlling the image signal processor to select and process one of the first and second image signals in response to a change of a using status, thereby outputting the display signal corresponding to the first or second image signals.

Description

1266533 •7-月电q1266533 • 7-monthly electricity q

β··»·*'-·**·· ι τ^-^-r·· -— · ·- — · r· - . · —«- - jaJ 信號源所發出之一數位電視信號與該類比電視信號源所發 出之一類比電視信號後，進行解調變而分別產生一數位資 料流與一第二影像信號並擇一來輸出； 一解碼器，設置於該殼體内，電連接於該解調單元， 其係接收該數位資料流進行解碼而產生一第一影像信號； 一影像信號處理器，設置於該殼體内，電連接於該解 調單元、該解碼器以及該顯示器，其係接收該第一影像信 號或該第二影像信號進行處理，進而輸出一顯示信號至該 顯示器進行顯示；以及 一微控制器，設置於該殼體内，電連接於該解調單元、 該解碼器以及該影像信號處理器，其係因應一使用狀態之 變化而控制該影像信號處理器將該第一影像信號與該第二 影像信號中擇一進行處理而輸出對應該第一影像信號或該 第二影像信號内容之該顯示信號。 12. 如申請專利範圍第11項所述之數位類比機上盒，其中 更包含一信號接頭，設置於該殼體上，其係電連接至一同 軸信號線以及該解調單元，其係同時接收該同軸信號線上 所傳送之該數位電視信號與該類比電視信號而轉傳至該解 調單元。 13. 如申請專利範圍第11項所述之數位類比機上盒，其中 更包含： 一第一信號接頭，設置於該殼體上，其係電連接至一 數位傳輸線以及該解調單元，其係接收該數位傳輸線上所 接收到之該數位電視信號而轉傳至該解調單元；以及 24 —第一仏號接頭，設置於該殼體上，其係電連接至— 類比傳輸線以及該解調單元，其係接收該類比傳輸線上所 傳送之該類比電視信號而轉傳至該解調單元。 K如申請專利範圍第13項所述之數位類比機上盒，其中 該解調單元包含： ^ 頡比解调單元，其係接收該類比電視信號來進行解 調變而產生該第二影像信號； ^ —數位電視前端單元，電連接於該第一信號接頭，其 係將該數位電視信號進行選頻與降頻後產生之一中頻^ 號；以及 " 二—解調變器，電連接於該數位電視前端單元，其係接 收。亥中頻彳§號來進行解調變而產生該數位資料流。 :5,如申4專利範圍第u項所述之數位類比機上盒，其中 :解碼β係為-MPEG2解碼H，其接收該數位資料流進行 解碼而產生該第—影像信號傳送至該影像㈣處理器，而 ^第-影像錢可為-第—數㈣像信號或-第—類比影 像信號。 如申料15項所叙數位舰機上盒，其中 錢用狀g包含—數位狀態與—類比狀態 ，係控制該影像信號處理器將該第—影像信號輸出，^ 出員比狀錢控制該影像信號處理器將該第二影像信號輸 利祀圍第16項所述之數位類比機上盒，盆中 *處在該數位狀態時’該微控制器係將該類比解調單^禁···»·*'-·**·· ι τ^-^-r·· -—— · ·-—— · r· - . · —«- - jaJ one of the digital TV signals sent by the signal source and After analogy of the television signal source, the analog television signal is demodulated to generate a digital data stream and a second image signal, respectively, and is outputted; a decoder is disposed in the housing and electrically connected to the The demodulation unit receives the digital data stream for decoding to generate a first image signal; an image signal processor is disposed in the housing, electrically connected to the demodulation unit, the decoder, and the display, Receiving the first image signal or the second image signal for processing, and outputting a display signal to the display for display; and a microcontroller disposed in the housing and electrically connected to the demodulation unit, The decoder and the image signal processor control the image signal processor to process the first image signal and the second image signal according to a change in the use state, and output the corresponding image signal or The second image letter The content of the display signal. 12. The digital analog set top box of claim 11, further comprising a signal connector disposed on the housing, electrically connected to a coaxial signal line and the demodulation unit, Receiving the digital television signal transmitted on the coaxial signal line and the analog television signal and transmitting the signal to the demodulation unit. 13. The digital analog set top box of claim 11, further comprising: a first signal connector disposed on the housing, electrically connected to a digital transmission line and the demodulation unit, Receiving the digital television signal received on the digital transmission line and transferring it to the demodulation unit; and 24 - the first nickname connector is disposed on the casing, and is electrically connected to the analog transmission line and the solution And a tuner unit that receives the analog television signal transmitted on the analog transmission line and transmits the analog television signal to the demodulation unit. K is the digital analog set-top box of claim 13, wherein the demodulation unit comprises: a chirp demodulation unit that receives the analog television signal for demodulation to generate the second image signal. ; ^ - digital TV front-end unit, electrically connected to the first signal connector, which is to select a frequency and frequency after the frequency-selection and down-conversion of the digital television signal; and " two-demodulation transformer, electricity Connected to the digital TV front end unit, which is received. The mid-frequency 彳 § is used for demodulation to generate the digital data stream. 5: The digital analog set-top box of claim 4, wherein: the decoding β is - MPEG2 decoding H, and the digital data stream is received for decoding to generate the first image signal to be transmitted to the image. (4) The processor, and the ^-image money may be a -number (four) image signal or a -first analog image signal. For example, in the digital container box of claim 15, the money use g includes a digital state and an analogy state, and the image signal processor is controlled to output the first image signal, and the output is controlled by the money. The image signal processor transmits the second image signal to the digital analog-to-box according to item 16, and when the pot is in the digital state, the microcontroller demodulates the analogy

Sb而進入一睡眠省電模式，而由該控制介面所發出之 比控制信號將不會傳送至_比解調單心 、 18.如申請專利範圍第16項所述之數位類比機上盒，並令 當處f該類比狀態時，該微控制器係將該數位解調單元與 解碼器禁能而進人-睡眠省電模式，而由該控制介面所發 出之數位控制信號將不會傳送至該數位解調單元盥嗲 碼器。 … 19·如中請專利範㈣u項所述之數位類比機上盒，其令 賴控制ϋ係信號連接至—控制介面’其仙應該控制介 面所發出之一控制信號而對該數位解調單元、該解碼器、 s玄類比解s周單元或該影像信號處理器進行控制。 20,如申請專利範圍第19項所述之數位類比機上盒’其中 該控制介面係為一遙控器或是設置於該殼體上之按鍵，其 可用以設定該使用狀態。 26Sb enters a sleep power saving mode, and the ratio control signal sent by the control interface will not be transmitted to the demodulation single core, 18. The digital analog set top box described in claim 16 of the patent application, And when the analogy state is in the state, the microcontroller disables the digital demodulation unit and the decoder to enter the human-sleep power saving mode, and the digital control signal sent by the control interface will not be transmitted. To the digital demodulation unit coder. ... 19 · The digital analog set-top box described in the patent specification (4) u, which connects the control signal to the control interface, which should control the control signal sent by the interface to the digital demodulation unit The decoder, the sinoid analog solution s week unit or the image signal processor controls. 20. The digital analog set-top box of claim 19, wherein the control interface is a remote controller or a button disposed on the housing, which can be used to set the use state. 26

1266533' * t- 十、申請專利範圍： ' 1. 一種數位類比機上盒，應用於一數位電視信號源、一類 比電視信號源以及一顯示器之間，該數位類比機上盒包含： 一殼體； : 一數位解調單元，設置於該殼體内，其係接收該數位 電視信號源所發出之一數位電視信號來進行解調變而產生 一數位資料流； 一解碼器，設置於該殼體内，電連接於該數位解調單 元，其係接收該數位資料流進行解碼而產生一第一影像信 號； 一類比解調單元，設置於該殼體内，其係接收該類比 電視信號源所發出之一類比電視信號來進行解調變而產生 一第二影像信號； 一影像信號處理器，設置於該殼體内，電連接於該類 比解調單元、該解碼器以及該顯示器，其係接收該第一影 像信號與該第二影像信號進行處理，進而輸出一顯示信號 至該顯示器進行顯示；以及 一微控制器，設置於該殼體内，電連接於該數位解調 單元、該解碼器、該類比解調單元以及該影像信號處理器， 其係因應一使用狀態之變化而控制該影像信號處理器將該 第一影像信號與該第二影像信號中擇一進行處理而輸出對 應該第一影像信號或該第二影像信號内容之該顯示信號。 2. 如申請專利範圍第1項所述之數位類比機上盒，其中更 211266533' * t- X. Patent application scope: ' 1. A digital analog set-top box for use between a digital television signal source, an analog television signal source and a display. The digital analog set-top box contains: a shell a digital demodulation unit disposed in the housing, configured to receive a digital television signal emitted by the digital television signal source for demodulation to generate a digital data stream; a decoder disposed on the body The housing is electrically connected to the digital demodulation unit, and receives the digital data stream for decoding to generate a first image signal; an analog demodulation unit is disposed in the housing to receive the analog television signal An analog signal is generated by the source to generate a second image signal; an image signal processor is disposed in the housing, electrically connected to the analog demodulation unit, the decoder, and the display, Receiving the first image signal and the second image signal for processing, thereby outputting a display signal to the display for display; and a microcontroller disposed on the shell Internally, electrically connected to the digital demodulation unit, the decoder, the analog demodulation unit, and the image signal processor, and controlling the image signal processor to the first image signal according to a change in use state The second image signal is selectively processed to output the display signal corresponding to the content of the first image signal or the second image signal. 2. For example, the digital analog set-top box mentioned in the first paragraph of the patent application, among which 21

TW094121939A 2005-06-29 2005-06-29 Analog/digital set-top box TWI266533B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
TW094121939A TWI266533B (en) 2005-06-29 2005-06-29 Analog/digital set-top box
DE102006006295A DE102006006295A1 (en) 2005-06-29 2006-02-10 Multifunctional device box
FR0601465A FR2888075B1 (en) 2005-06-29 2006-02-20 MULTIFUNCTION DECODER HOUSING.
GB0604607A GB2427778A (en) 2005-06-29 2006-03-08 A set-top box which can work in an analogue or digital mode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW094121939A TWI266533B (en) 2005-06-29 2005-06-29 Analog/digital set-top box

Publications (2)

Publication Number Publication Date
TWI266533B true TWI266533B (en) 2006-11-11
TW200701788A TW200701788A (en) 2007-01-01

Family

ID=36241155

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094121939A TWI266533B (en) 2005-06-29 2005-06-29 Analog/digital set-top box

Country Status (4)

Country Link
DE (1) DE102006006295A1 (en)
FR (1) FR2888075B1 (en)
GB (1) GB2427778A (en)
TW (1) TWI266533B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9402062B2 (en) 2007-07-18 2016-07-26 Mediatek Inc. Digital television chip, system and method thereof
US8910233B2 (en) 2008-12-22 2014-12-09 Mediatek Inc. Signal processing apparatuses capable of processing initially reproduced packets prior to buffering the initially reproduced packets
EP2416565A1 (en) * 2010-08-05 2012-02-08 Thomson Licensing Method for handling of audio/video signals and corresponding device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100213048B1 (en) * 1995-09-29 1999-08-02 윤종용 Receiver having analog and digital video mode and receiving method thereof
KR19980076495A (en) * 1997-04-10 1998-11-16 윤종용 HDTV / NTSC receiver and receiving signal selection method
US6091458A (en) * 1998-01-22 2000-07-18 Samsung Electronics Co., Ltd. Receiver having analog and digital video modes and receiving method thereof
KR100263896B1 (en) * 1998-06-26 2000-08-16 윤종용 Digital/analog broadcasting signal processing unit
JP4130367B2 (en) * 2003-01-10 2008-08-06 三菱電機株式会社 Receiver
KR100583182B1 (en) * 2004-04-12 2006-05-25 주식회사 휴맥스 On Screen Display generator in digital TV and method thereof

Also Published As

Publication number Publication date
FR2888075A1 (en) 2007-01-05
DE102006006295A1 (en) 2007-01-04
FR2888075B1 (en) 2009-02-13
TW200701788A (en) 2007-01-01
GB0604607D0 (en) 2006-04-19
GB2427778A (en) 2007-01-03

Similar Documents

Publication Publication Date Title
TWI266533B (en) Analog/digital set-top box
TW200913717A (en) Dual decoder portable media device
JP2004201273A (en) Tv receiving module, display device, and tv receiving system utilizing them
EP1134972A3 (en) Parental control and monitoring system and method
CN104321948A (en) Television adapter
EP1765009A3 (en) Television receiver
CN205829899U (en) A kind of Set Top Box receiving multiple signals and simultaneously multiple-channel output
CN108259978A (en) It is a kind of wired with screen device with wireless router
CN103763595A (en) Remote control video game terminal system based on MHL
CN101521769A (en) System for simultaneously receiving ground wave and satellite digital television
US20070097669A1 (en) Adaptor for capturing screen images from handheld video game devices and handheld video player devices and transmitting said images to a television or computer monitor
TW201029459A (en) Network TV system and remote control device of network TV system
CN205453907U (en) Liquid crystal television
CN212875966U (en) Multifunctional LED display screen television
TWI249355B (en) TV with built-in video tuner circuit
CN201479303U (en) Digital television using electric-power line for transmitting information
CN207475750U (en) A kind of active data satellite TV system
US7224412B2 (en) Ceiling suction type digital television device
TWM368245U (en) Wireless internet video system
CN201928392U (en) Dual-mode set top box device
CN201562413U (en) Display with infrared control function
TWI304699B (en) Multiple-tv display channel setting method and related module
CN201577128U (en) Radio-frequency camera
TWI270292B (en) Wireless control systems and methods
TWM291041U (en) TV signal processing device with a MINI-PCI interface

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees