CN1130842A - 用于个人计算机的电视声频位流发生器及其控制方法 - Google Patents
用于个人计算机的电视声频位流发生器及其控制方法 Download PDFInfo
- Publication number
- CN1130842A CN1130842A CN95102121A CN95102121A CN1130842A CN 1130842 A CN1130842 A CN 1130842A CN 95102121 A CN95102121 A CN 95102121A CN 95102121 A CN95102121 A CN 95102121A CN 1130842 A CN1130842 A CN 1130842A
- Authority
- CN
- China
- Prior art keywords
- signal
- data
- fifo memory
- clock pulse
- clock
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
-
- 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
- H04N5/602—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for digital sound signals
-
- 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
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/4143—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a Personal Computer [PC]
-
- 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
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4183—External card to be used in combination with the client device, e.g. for conditional access providing its own processing capabilities, e.g. external module for video decoding
-
- 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
-
- 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
- H04N21/42661—Internal components of the client ; Characteristics thereof for reading from or writing on a magnetic storage medium, e.g. hard disk drive
-
- 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
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4305—Synchronising client clock from received content stream, e.g. locking decoder clock with encoder clock, extraction of the PCR packets
-
- 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
- H04N21/439—Processing of audio elementary streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/04—Systems for the transmission of one television signal, i.e. both picture and sound, by a single carrier
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
- Television Receiver Circuits (AREA)
Abstract
Description
种类 | b3-b0 | b7-b6 | 备注 | |||
声频位流的传输速率 | 010010001010 | ×× | 64Kbps128Kbps192Kbps | |||
声频系统方式 | ×××× | 00011011 | 立体声联合立体声双通道4通道方式 | |||
时钟控制信号1.2 | 时钟控制信号3 | 备注 | ||||
00 | 03121 | 64Kbps,2通道— —64Kbps,4通道 | ||||
01 | 01 | 128Kbps,2通道128Kbps,4通道 | ||||
11 | 01 | 192Kbps,2通道192Kbps,4通道 | ||||
信号 | b5 | b4 | 备注 | |||
复位(RST)信号复位(Reset)信号 | 10×× | ××10 | 系统时钟信号发生器复位正常操作状态正常操作状态FIFO存储器复位,始动状态 |
F(MHz) | N1 | N2 | N3 | F位速率(Kbps) | 备注 |
12.288 | 121216 | 844221 | 8 或18 或18 或1 | 128256256512384768 | 64Kbps(2通道)64Kbps(4通道)128Kbps(2通道)128Kbps(4通道)196Kbps(2通道)196Kbps(4通道) |
Claims (9)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR94-4376 | 1994-03-07 | ||
KR94004376A KR970000768B1 (en) | 1994-03-07 | 1994-03-07 | Hdtv audio bitstream generating apparatus and method using pc |
KR944376 | 1994-03-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1130842A true CN1130842A (zh) | 1996-09-11 |
CN1057892C CN1057892C (zh) | 2000-10-25 |
Family
ID=19378465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN95102121A Expired - Fee Related CN1057892C (zh) | 1994-03-07 | 1995-03-07 | 利用个人计算机操作的电视音频码流发生器及其控制方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5689438A (zh) |
KR (1) | KR970000768B1 (zh) |
CN (1) | CN1057892C (zh) |
GB (1) | GB2288043B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6269338B1 (en) * | 1996-10-10 | 2001-07-31 | U.S. Philips Corporation | Data compression and expansion of an audio signal |
ATE371298T1 (de) * | 1996-11-07 | 2007-09-15 | Koninkl Philips Electronics Nv | Übertragung eines bitstromsignals |
JPH10210500A (ja) * | 1997-01-22 | 1998-08-07 | Sony Corp | メモリ装置 |
US7317957B1 (en) * | 1997-09-24 | 2008-01-08 | Sony Corporation | Memory allocation for real-time audio processing |
US6314485B1 (en) * | 1997-11-14 | 2001-11-06 | Agere Systems Guardian Corp. | Automatic status register |
US7312062B2 (en) * | 1998-11-27 | 2007-12-25 | Novozymes A/S | Lipolytic enzyme variants |
EP1146749A1 (en) * | 2000-04-07 | 2001-10-17 | Canal+ Technologies Société Anonyme | Apparatus and method for testing applications |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5255185A (en) * | 1988-04-18 | 1993-10-19 | Brunswick Bowling & Billiards Corp. | Bowling center video display system |
GB8902982D0 (en) * | 1989-02-10 | 1989-03-30 | Plessey Co Plc | Machine for circuit design |
KR920010784B1 (ko) * | 1990-05-11 | 1992-12-17 | 삼성전자 주식회사 | 수상시스템에 있어서 스펙트럼 호환성 고품위 tv신호전송방식 및 회로 |
-
1994
- 1994-03-07 KR KR94004376A patent/KR970000768B1/ko not_active IP Right Cessation
-
1995
- 1995-03-02 GB GB9504224A patent/GB2288043B/en not_active Expired - Lifetime
- 1995-03-02 US US08/396,464 patent/US5689438A/en not_active Expired - Fee Related
- 1995-03-07 CN CN95102121A patent/CN1057892C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB9504224D0 (en) | 1995-04-19 |
CN1057892C (zh) | 2000-10-25 |
KR970000768B1 (en) | 1997-01-18 |
US5689438A (en) | 1997-11-18 |
GB2288043B (en) | 1998-07-22 |
KR950028515A (ko) | 1995-10-18 |
GB2288043A (en) | 1995-10-04 |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CI01 | Publication of corrected invention patent application |
Correction item: Denomination of Invention Correct: "The use of personal computer operation ... ... method" False: "For personal computer operation ... method" Number: 43 Page: 177 Volume: 16 |
|
CI03 | Correction of invention patent |
Correction item: Denomination of Invention Correct: "The use of personal computer operation ... ... method" False: "For personal computer operation ... method" Number: 43 Page: The title page Volume: 16 |
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COR | Change of bibliographic data |
Free format text: CORRECT: INVENTION NAME; FROM: OPERATION OF PERSONAL COMPUTERS FANG FA TO: UTILIZE PERSONAL COMPUTING SERVICE FANG FA |
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ERR | Gazette correction |
Free format text: CORRECT: INVENTION NAME; FROM: OPERATION OF PERSONAL COMPUTERS FANG FA TO: UTILIZE PERSONAL COMPUTING SERVICE FANG FA |
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C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |