BR9908638A - Processador de sinal digital para recepção depadrões múltiplos de televisão - Google Patents
Processador de sinal digital para recepção depadrões múltiplos de televisãoInfo
- Publication number
- BR9908638A BR9908638A BR9908638-7A BR9908638A BR9908638A BR 9908638 A BR9908638 A BR 9908638A BR 9908638 A BR9908638 A BR 9908638A BR 9908638 A BR9908638 A BR 9908638A
- Authority
- BR
- Brazil
- Prior art keywords
- audio
- standards
- video
- television
- digital signal
- Prior art date
Links
- 230000001360 synchronised effect Effects 0.000 abstract 2
- DFPAKSUCGFBDDF-UHFFFAOYSA-N Nicotinamide Chemical compound NC(=O)C1=CC=CN=C1 DFPAKSUCGFBDDF-UHFFFAOYSA-N 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
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
- H04N5/455—Demodulation-circuits
-
- 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
- H04N21/42638—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific tuning arrangements, e.g. two tuners involving a hybrid front-end, e.g. analog and digital 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 encoded video stream packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
-
- 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
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
"PROCESSADOR DE SINAL DIGITAL PARA RECEPçãO DEPADRõES MúLTIPLOS DE TELEVISãO". Um conversor detelevisão usa processamento de sinal digital (DSP) (12,26) paraproporcionar compatibilidade com diferentes padrões de televisãoincluindo padrões de vídeo NTSC e PAL e padrões de áudio FM,BTSC, DIN, Home Theatre, NICAM e padrões de áudio digitalindependentes. O processamento de áudio (26) é realizado sempassar o áudio através de um filtro Nyquist (72) usado para vídeo.Isso elimina a conversão de AM para PM melhorando a linearidadeda luminância e ganho e fase diferenciais. Isso também impedeque a informação de vídeo module na fase a interportadora deáudio, dessa forma eliminando os componentes de "zumbido," dovídeo no áudio. O processamento de áudio (26) inclui umdemodulador FM síncrono (40) e um demodulador FM/QPSKsíncrono separado (44) para lidar com os diferentes padrões deáudio. A manipulação de padrões históricos de TV analógica comDSP também possibilita a combinação vantajosa de recepção detelevisão analógica e digital em um único VLSI ASIC digital.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/037,292 US6147713A (en) | 1998-03-09 | 1998-03-09 | Digital signal processor for multistandard television reception |
PCT/US1999/004370 WO1999046931A1 (en) | 1998-03-09 | 1999-02-26 | Digital signal processor for multistandard television reception |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9908638A true BR9908638A (pt) | 2001-12-18 |
Family
ID=21893550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9908638-7A BR9908638A (pt) | 1998-03-09 | 1999-02-26 | Processador de sinal digital para recepção depadrões múltiplos de televisão |
Country Status (6)
Country | Link |
---|---|
US (1) | US6147713A (pt) |
EP (1) | EP1062806A1 (pt) |
CN (1) | CN1182706C (pt) |
AU (1) | AU747600B2 (pt) |
BR (1) | BR9908638A (pt) |
WO (1) | WO1999046931A1 (pt) |
Families Citing this family (75)
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DE69917271T4 (de) * | 1998-12-21 | 2007-08-30 | Roke Manor Research Ltd., Romsey | Akustisch aktivierte marketingverfahren und vorrichtung |
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JP3647305B2 (ja) | 1999-02-26 | 2005-05-11 | キヤノン株式会社 | 画像表示装置制御システム及び画像表示システム制御方法 |
DE60023968T2 (de) | 1999-02-26 | 2006-06-22 | Canon K.K. | System zur Kontrolle eines Bildwiedergabegerätes und Verfahren zur Kontrolle eines Bildwiedergabesystems |
US7057667B1 (en) * | 1999-02-26 | 2006-06-06 | Canon Kabushiki Kaisha | Image display control system and method allowing connection of various kinds of image displays to one supply source |
DE19948745A1 (de) * | 1999-10-09 | 2001-04-12 | Philips Corp Intellectual Pty | Schaltungsanordnung zur Demodulation eines Zwischenfrequenz-Videosignals |
US7102692B1 (en) | 1999-10-13 | 2006-09-05 | Thomson Licensing | Digital and analog television signal digitization and processing device |
BRPI0014726B1 (pt) * | 1999-10-13 | 2015-10-06 | Thomson Licensing Sa | dispositivo de digitalização e processamento de sinal de televisão analógico e digital |
US7106388B2 (en) * | 1999-12-15 | 2006-09-12 | Broadcom Corporation | Digital IF demodulator for video applications |
DE10006701C2 (de) * | 2000-02-16 | 2002-04-11 | Harman Becker Automotive Sys | Empfangseinrichtung |
US20020056135A1 (en) * | 2000-03-06 | 2002-05-09 | Alok Sharma | Transceiver channel bank with reduced connector density |
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JP4340825B2 (ja) | 2000-04-28 | 2009-10-07 | ソニー株式会社 | フロントエンド回路 |
JP2002044557A (ja) * | 2000-07-19 | 2002-02-08 | Sony Corp | テレビジョン受信装置 |
JP4484355B2 (ja) * | 2000-11-22 | 2010-06-16 | 富士通マイクロエレクトロニクス株式会社 | 復調装置、放送システム及び放送受信装置 |
US7239357B2 (en) * | 2000-12-15 | 2007-07-03 | Broadcom Corporation | Digital IF demodulator with carrier recovery |
US7352411B2 (en) | 2000-12-15 | 2008-04-01 | Broadcom Corporation | Digital IF demodulator |
US7477326B2 (en) * | 2000-12-15 | 2009-01-13 | Broadcom Corporation | HDTV chip with a single IF strip for handling analog and digital reception |
FR2824986B1 (fr) * | 2001-05-18 | 2003-10-31 | St Microelectronics Sa | Composant electronique permettant le decodage d'un canal de transmission radiofrequence vehiculant des informations numeriques codees, en particulier pour la telediffusion numerique par satellite |
CN1233156C (zh) | 2001-05-29 | 2005-12-21 | 索尼公司 | 模拟电视信号接收方法和装置 |
JP2005534203A (ja) * | 2001-10-16 | 2005-11-10 | 株式会社RfStream | モノリシック集積回路上に受信機を実施するための方法および装置 |
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US7847864B1 (en) * | 2002-03-01 | 2010-12-07 | Broadcom Corporation | All digital radio frequency modulator |
JP2004015129A (ja) * | 2002-06-03 | 2004-01-15 | Toshiba Corp | トラップ回路、及びテレビ受像装置 |
US7199843B2 (en) * | 2002-09-30 | 2007-04-03 | Lsi Logic Corporation | Spectral translation for VSB compensation |
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FR2853487A1 (fr) * | 2003-04-01 | 2004-10-08 | St Microelectronics Sa | Composant electronique permettant le decodage de signaux de television numerique par satellite |
FR2853486B1 (fr) * | 2003-04-03 | 2005-08-05 | St Microelectronics Sa | Composant electronique permettant le decodage de signaux de television numerique ou par cable |
FR2853796B1 (fr) | 2003-04-11 | 2005-07-01 | St Microelectronics Sa | Composant electronique permettant le decodage de signaux de television numerique terrestre ou par cable. |
FR2853795B1 (fr) * | 2003-04-11 | 2005-07-01 | St Microelectronics Sa | Composant electronique avec dispositif de syntonisation integre, permettant le decodage de signaux de television numerique terrestre ou par cable. |
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CN1665279B (zh) * | 2004-03-04 | 2010-06-23 | 亚洲光学股份有限公司 | 信号整合装置及通讯*** |
TWI312615B (en) * | 2004-03-19 | 2009-07-21 | Mediatek Inc | Decording apparatus and decording method for multiple audio standards |
CN100466694C (zh) * | 2004-04-30 | 2009-03-04 | 泰景***公司 | 基于fft的多通道视频接收机 |
CN101147397B (zh) | 2004-09-17 | 2011-06-15 | 塔特公司 | 用于产生ntsc电视广播信号的***和方法 |
US7653447B2 (en) | 2004-12-30 | 2010-01-26 | Mondo Systems, Inc. | Integrated audio video signal processing system using centralized processing of signals |
US7825986B2 (en) | 2004-12-30 | 2010-11-02 | Mondo Systems, Inc. | Integrated multimedia signal processing system using centralized processing of signals and other peripheral device |
US8880205B2 (en) * | 2004-12-30 | 2014-11-04 | Mondo Systems, Inc. | Integrated multimedia signal processing system using centralized processing of signals |
US8015590B2 (en) * | 2004-12-30 | 2011-09-06 | Mondo Systems, Inc. | Integrated multimedia signal processing system using centralized processing of signals |
US7692726B1 (en) * | 2005-05-17 | 2010-04-06 | Pixelworks, Inc. | Video decoder with integrated audio IF demodulation |
US7483085B2 (en) * | 2005-07-11 | 2009-01-27 | Sandbridge Technologies, Inc. | Digital implementation of analog TV receiver |
JP4066269B2 (ja) * | 2005-08-24 | 2008-03-26 | シャープ株式会社 | 受信装置、受信システム |
JP4063841B2 (ja) * | 2005-09-09 | 2008-03-19 | シャープ株式会社 | 受信装置、受信システム |
US7518661B2 (en) * | 2005-09-30 | 2009-04-14 | Sigmatel, Inc. | System and method of audio detection |
JP4350084B2 (ja) * | 2005-11-07 | 2009-10-21 | シャープ株式会社 | 受信装置、受信システム |
JP2007165943A (ja) * | 2005-12-09 | 2007-06-28 | Funai Electric Co Ltd | ディジタルテレビ |
JP2007251446A (ja) * | 2006-03-15 | 2007-09-27 | Sharp Corp | 受信装置、受信システム |
JP2007251702A (ja) * | 2006-03-17 | 2007-09-27 | Sharp Corp | 受信装置、受信システム |
JP4338710B2 (ja) * | 2006-03-27 | 2009-10-07 | シャープ株式会社 | 受信装置、受信システム |
US8502920B2 (en) * | 2007-03-14 | 2013-08-06 | Vyacheslav Shyshkin | Method and apparatus for extracting a desired television signal from a wideband IF input |
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JP6686461B2 (ja) * | 2016-01-20 | 2020-04-22 | ティアック株式会社 | 制御機器 |
JP6682871B2 (ja) * | 2016-01-20 | 2020-04-15 | ティアック株式会社 | 制御機器 |
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CN108376538B (zh) * | 2018-04-27 | 2020-05-29 | 京东方科技集团股份有限公司 | 用于显示装置的连接器及显示装置 |
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-
1998
- 1998-03-09 US US09/037,292 patent/US6147713A/en not_active Expired - Fee Related
-
1999
- 1999-02-26 BR BR9908638-7A patent/BR9908638A/pt not_active IP Right Cessation
- 1999-02-26 AU AU27960/99A patent/AU747600B2/en not_active Ceased
- 1999-02-26 CN CNB998052523A patent/CN1182706C/zh not_active Expired - Fee Related
- 1999-02-26 WO PCT/US1999/004370 patent/WO1999046931A1/en not_active Application Discontinuation
- 1999-02-26 EP EP99908557A patent/EP1062806A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
AU747600B2 (en) | 2002-05-16 |
CN1298605A (zh) | 2001-06-06 |
AU2796099A (en) | 1999-09-27 |
CN1182706C (zh) | 2004-12-29 |
EP1062806A1 (en) | 2000-12-27 |
WO1999046931A1 (en) | 1999-09-16 |
US6147713A (en) | 2000-11-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 8A,9A E 10A ANUIDADES. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 1990 DE 25/02/2009. |