CA2323564C - Method and apparatus for processing audio information using time-aligned blocks of encoded audio in video/audio applications to facilitate audio switching - Google Patents
Method and apparatus for processing audio information using time-aligned blocks of encoded audio in video/audio applications to facilitate audio switching Download PDFInfo
- Publication number
- CA2323564C CA2323564C CA002323564A CA2323564A CA2323564C CA 2323564 C CA2323564 C CA 2323564C CA 002323564 A CA002323564 A CA 002323564A CA 2323564 A CA2323564 A CA 2323564A CA 2323564 C CA2323564 C CA 2323564C
- Authority
- CA
- Canada
- Prior art keywords
- audio information
- video
- audio
- blocks
- information
- 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.)
- Expired - Lifetime
Links
- 238000012545 processing Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims description 41
- 230000005236 sound signal Effects 0.000 claims abstract description 29
- 230000001934 delay Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 239000000872 buffer Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/23602—Multiplexing isochronously with the video sync, e.g. according to bit-parallel or bit-serial interface formats, as SDI
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/233—Processing of audio elementary streams
- H04N21/2335—Processing of audio elementary streams involving reformatting operations of audio signals, e.g. by converting from one coding standard to another
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/23614—Multiplexing of additional data and video streams
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/2368—Multiplexing of audio and video streams
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/242—Synchronization processes, e.g. processing of PCR [Program Clock References]
-
- 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
-
- 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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4341—Demultiplexing of audio and video streams
-
- 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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4342—Demultiplexing isochronously with video sync, e.g. according to bit-parallel or bit-serial interface formats, as SDI
-
- 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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4348—Demultiplexing of additional data and video streams
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Television Signal Processing For Recording (AREA)
- Television Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Time-Division Multiplex Systems (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/042,367 | 1998-03-13 | ||
| US09/042,367 US6085163A (en) | 1998-03-13 | 1998-03-13 | Using time-aligned blocks of encoded audio in video/audio applications to facilitate audio switching |
| PCT/US1999/005249 WO1999046938A1 (en) | 1998-03-13 | 1999-03-11 | Method of embedding compressed digital audio signals in a video signal using guard bands |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2323564A1 CA2323564A1 (en) | 1999-09-16 |
| CA2323564C true CA2323564C (en) | 2008-05-13 |
Family
ID=21921528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002323564A Expired - Lifetime CA2323564C (en) | 1998-03-13 | 1999-03-11 | Method and apparatus for processing audio information using time-aligned blocks of encoded audio in video/audio applications to facilitate audio switching |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US6085163A (enExample) |
| EP (1) | EP1062816B1 (enExample) |
| JP (1) | JP4402834B2 (enExample) |
| KR (1) | KR100675562B1 (enExample) |
| CN (1) | CN1172536C (enExample) |
| AR (2) | AR014716A1 (enExample) |
| AT (1) | ATE247363T1 (enExample) |
| AU (1) | AU760400B2 (enExample) |
| BR (1) | BR9909247B1 (enExample) |
| CA (1) | CA2323564C (enExample) |
| DE (1) | DE69910360T2 (enExample) |
| DK (1) | DK1062816T3 (enExample) |
| ES (1) | ES2203101T3 (enExample) |
| MY (1) | MY125807A (enExample) |
| TW (1) | TW473702B (enExample) |
| WO (1) | WO1999046938A1 (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6188987B1 (en) * | 1998-11-17 | 2001-02-13 | Dolby Laboratories Licensing Corporation | Providing auxiliary information with frame-based encoded audio information |
| US6690428B1 (en) * | 1999-09-13 | 2004-02-10 | Nvision, Inc. | Method and apparatus for embedding digital audio data in a serial digital video data stream |
| US8503650B2 (en) * | 2001-02-27 | 2013-08-06 | Verizon Data Services Llc | Methods and systems for configuring and providing conference calls |
| US7277427B1 (en) * | 2003-02-10 | 2007-10-02 | Nvision, Inc. | Spatially distributed routing switch |
| WO2006042207A1 (en) | 2004-10-07 | 2006-04-20 | Thomson Licensing | Audio/video router |
| MX2009006201A (es) | 2006-12-12 | 2009-06-22 | Fraunhofer Ges Forschung | Codificador, decodificador y metodos para codificar y decodificar segmentos de datos que representan una corriente de datos del dominio temporal. |
| CN101563915B (zh) | 2006-12-20 | 2012-09-19 | Gvbb控股股份有限公司 | 嵌入音频路由切换器 |
| US20110187927A1 (en) * | 2007-12-19 | 2011-08-04 | Colin Simon | Device and method for synchronisation of digital video and audio streams to media presentation devices |
| WO2009088258A2 (ko) * | 2008-01-09 | 2009-07-16 | Lg Electronics Inc. | 프레임 타입 식별 방법 및 장치 |
| TWI591625B (zh) | 2009-05-27 | 2017-07-11 | 杜比國際公司 | 從訊號的低頻成份產生該訊號之高頻成份的系統與方法，及其機上盒、電腦程式產品、軟體程式及儲存媒體 |
| US11657788B2 (en) | 2009-05-27 | 2023-05-23 | Dolby International Ab | Efficient combined harmonic transposition |
| CN119232954A (zh) * | 2024-10-16 | 2024-12-31 | 汉威科技集团股份有限公司 | 传感器阵列数据传输方法及装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4532556A (en) * | 1983-05-20 | 1985-07-30 | Dolby Laboratories Licensing Corporation | Time-base correction of audio signals in video tape recorders |
| US5632005A (en) * | 1991-01-08 | 1997-05-20 | Ray Milton Dolby | Encoder/decoder for multidimensional sound fields |
| JP3329076B2 (ja) * | 1994-06-27 | 2002-09-30 | ソニー株式会社 | ディジタル信号伝送方法、ディジタル信号伝送装置、ディジタル信号受信方法及びディジタル信号受信装置 |
| EP0734021A3 (en) * | 1995-03-23 | 1999-05-26 | SICAN, GESELLSCHAFT FÜR SILIZIUM-ANWENDUNGEN UND CAD/CAT NIEDERSACHSEN mbH | Method and apparatus for decoding of digital audio data coded in layer 1 or 2 of MPEG format |
| US5819215A (en) * | 1995-10-13 | 1998-10-06 | Dobson; Kurt | Method and apparatus for wavelet based data compression having adaptive bit rate control for compression of digital audio or other sensory data |
| US5860060A (en) * | 1997-05-02 | 1999-01-12 | Texas Instruments Incorporated | Method for left/right channel self-alignment |
| US5946352A (en) * | 1997-05-02 | 1999-08-31 | Texas Instruments Incorporated | Method and apparatus for downmixing decoded data streams in the frequency domain prior to conversion to the time domain |
-
1998
- 1998-03-13 US US09/042,367 patent/US6085163A/en not_active Expired - Lifetime
-
1999
- 1999-03-11 CN CNB998037516A patent/CN1172536C/zh not_active Expired - Lifetime
- 1999-03-11 DK DK99913844T patent/DK1062816T3/da active
- 1999-03-11 BR BRPI9909247-6B1A patent/BR9909247B1/pt active IP Right Grant
- 1999-03-11 JP JP2000536202A patent/JP4402834B2/ja not_active Expired - Lifetime
- 1999-03-11 EP EP99913844A patent/EP1062816B1/en not_active Expired - Lifetime
- 1999-03-11 AU AU31830/99A patent/AU760400B2/en not_active Expired
- 1999-03-11 CA CA002323564A patent/CA2323564C/en not_active Expired - Lifetime
- 1999-03-11 DE DE69910360T patent/DE69910360T2/de not_active Expired - Lifetime
- 1999-03-11 AT AT99913844T patent/ATE247363T1/de active
- 1999-03-11 ES ES99913844T patent/ES2203101T3/es not_active Expired - Lifetime
- 1999-03-11 WO PCT/US1999/005249 patent/WO1999046938A1/en not_active Ceased
- 1999-03-11 MY MYPI99000901A patent/MY125807A/en unknown
- 1999-03-11 KR KR1020007008721A patent/KR100675562B1/ko not_active Expired - Lifetime
- 1999-03-12 AR ARP990101085A patent/AR014716A1/es active IP Right Grant
- 1999-03-15 TW TW088103917A patent/TW473702B/zh not_active IP Right Cessation
-
2000
- 2000-01-17 AR ARP000100199A patent/AR021444A2/es active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| HK1036721A1 (en) | 2002-01-11 |
| ES2203101T3 (es) | 2004-04-01 |
| WO1999046938A1 (en) | 1999-09-16 |
| AU760400B2 (en) | 2003-05-15 |
| AR014716A1 (es) | 2001-03-28 |
| AU3183099A (en) | 1999-09-27 |
| DE69910360T2 (de) | 2004-06-24 |
| EP1062816B1 (en) | 2003-08-13 |
| MY125807A (en) | 2006-08-30 |
| BR9909247A (pt) | 2000-11-28 |
| JP4402834B2 (ja) | 2010-01-20 |
| KR20010040826A (ko) | 2001-05-15 |
| DK1062816T3 (da) | 2003-11-03 |
| JP2002507101A (ja) | 2002-03-05 |
| BR9909247B1 (pt) | 2014-08-26 |
| US6085163A (en) | 2000-07-04 |
| EP1062816A1 (en) | 2000-12-27 |
| KR100675562B1 (ko) | 2007-01-29 |
| CN1172536C (zh) | 2004-10-20 |
| DE69910360D1 (de) | 2003-09-18 |
| TW473702B (en) | 2002-01-21 |
| CA2323564A1 (en) | 1999-09-16 |
| ATE247363T1 (de) | 2003-08-15 |
| CN1292979A (zh) | 2001-04-25 |
| AR021444A2 (es) | 2002-07-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1142346B1 (en) | Encoding auxiliary information with frame-based encoded audio information | |
| EP1472889B1 (en) | Audio coding | |
| US7848933B2 (en) | Error monitoring of a Dolby Digital AC-3 bit stream | |
| US5083224A (en) | Apparatus for recording an audio signal with protection against re-recording thereof, and recording apparatus which indicates the presence of such protection | |
| KR960005945B1 (ko) | 디지틀신호전송방법 | |
| CA2323564C (en) | Method and apparatus for processing audio information using time-aligned blocks of encoded audio in video/audio applications to facilitate audio switching | |
| KR20010050431A (ko) | 수신시스템 및 디지털 방송시스템 | |
| EP0958664B1 (en) | Audio compression | |
| US5889917A (en) | Method and apparatus for editing an audio-visual signal having audio data that is in the form of block units which are not synchronous with the fields/frames of video data | |
| MXPA00008964A (en) | Method of embedding compressed digital audio signals in a video signal using guard bands | |
| HK1036721B (en) | Method and apparatus for using time-aligned blocks of encoded audio in video/audio applications to facilitate audio switching | |
| KR20000002152A (ko) | 디지털 저장 매체의 신호 기록재생장치 | |
| Lyman | Audio Metadata Authoring and System Integration | |
| Lyman | Program Presentation Using ATSC Audio Systems | |
| Smith | This paper is concerned with the application of ATLANTIC switching techniques to edit-conforming during post-production, and to presentation within the broadcast chain. In this respect a number of important issues have been addressed within the ATLANTIC project; those discussed in this paper include |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20190311 |
|
| MKEX | Expiry |
Effective date: 20190311 |