CA2336411C - Transcoders for fixed and variable rate data streams - Google Patents
Transcoders for fixed and variable rate data streams Download PDFInfo
- Publication number
- CA2336411C CA2336411C CA002336411A CA2336411A CA2336411C CA 2336411 C CA2336411 C CA 2336411C CA 002336411 A CA002336411 A CA 002336411A CA 2336411 A CA2336411 A CA 2336411A CA 2336411 C CA2336411 C CA 2336411C
- Authority
- CA
- Canada
- Prior art keywords
- data
- rate
- stream
- decoder
- encoder
- 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 - Fee Related
Links
- 239000000872 buffer Substances 0.000 claims description 45
- 238000012856 packing Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 26
- 238000000034 method Methods 0.000 description 17
- 239000011159 matrix material Substances 0.000 description 12
- 230000008569 process Effects 0.000 description 9
- 230000003139 buffering effect Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 238000007906 compression Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
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- 235000009566 rice Nutrition 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/86—Arrangements characterised by the broadcast information itself
- H04H20/88—Stereophonic broadcast systems
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00992—Circuits for stereophonic or quadraphonic recording or reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00007—Time or data compression or expansion
- G11B2020/00014—Time or data compression or expansion the compressed signal being an audio signal
- G11B2020/00021—Time or data compression or expansion the compressed signal being an audio signal lossless audio compression
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/1062—Data buffering arrangements, e.g. recording or playback buffers
- G11B2020/10629—Data buffering arrangements, e.g. recording or playback buffers the buffer having a specific structure
- G11B2020/10638—First-in-first-out memories [FIFO] buffers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
- G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Acoustics & Sound (AREA)
- Algebra (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB9814513.9A GB9814513D0 (en) | 1998-07-03 | 1998-07-03 | Trancoders for fixed and variable rate datastreams |
| GB9814513.9 | 1998-07-03 | ||
| GBGB9907918.8A GB9907918D0 (en) | 1999-04-07 | 1999-04-07 | Lossless packing |
| GB9907918.8 | 1999-04-07 | ||
| PCT/GB1999/002138 WO2000002357A1 (en) | 1998-07-03 | 1999-07-05 | Transcoders for fixed and variable rate data streams |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2336411A1 CA2336411A1 (en) | 2000-01-13 |
| CA2336411C true CA2336411C (en) | 2007-11-13 |
Family
ID=26313972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002336411A Expired - Fee Related CA2336411C (en) | 1998-07-03 | 1999-07-05 | Transcoders for fixed and variable rate data streams |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP1095488B8 (enExample) |
| JP (1) | JP2002520760A (enExample) |
| KR (1) | KR100725766B1 (enExample) |
| CN (1) | CN1331335C (enExample) |
| AT (1) | ATE280460T1 (enExample) |
| AU (1) | AU759989B2 (enExample) |
| CA (1) | CA2336411C (enExample) |
| DE (1) | DE69921326T2 (enExample) |
| ES (1) | ES2228061T3 (enExample) |
| WO (1) | WO2000002357A1 (enExample) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3582444B2 (ja) * | 2000-01-28 | 2004-10-27 | ヤマハ株式会社 | 音楽情報データ通信方法、音楽情報データ送信装置、音楽情報データ受信装置および記憶媒体 |
| US7206272B2 (en) * | 2000-04-20 | 2007-04-17 | Yamaha Corporation | Method for recording asynchronously produced digital data codes, recording unit used for the method, method for reproducing the digital data codes, playback unit used for the method and information storage medium |
| JP4529226B2 (ja) * | 2000-04-20 | 2010-08-25 | ヤマハ株式会社 | データ記録方法および記録媒体 |
| JP4829466B2 (ja) * | 2000-08-03 | 2011-12-07 | トムソン ライセンシング | 低ビットレートでデータストリームを記録する方法 |
| CN100364234C (zh) * | 2001-11-29 | 2008-01-23 | 联发科技股份有限公司 | 声讯的播放系统与无失真压缩编码系统 |
| US6934677B2 (en) | 2001-12-14 | 2005-08-23 | Microsoft Corporation | Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands |
| US7299190B2 (en) | 2002-09-04 | 2007-11-20 | Microsoft Corporation | Quantization and inverse quantization for audio |
| US7502743B2 (en) * | 2002-09-04 | 2009-03-10 | Microsoft Corporation | Multi-channel audio encoding and decoding with multi-channel transform selection |
| US7023880B2 (en) * | 2002-10-28 | 2006-04-04 | Qualcomm Incorporated | Re-formatting variable-rate vocoder frames for inter-system transmissions |
| US7169996B2 (en) * | 2002-11-12 | 2007-01-30 | Medialab Solutions Llc | Systems and methods for generating music using data/music data file transmitted/received via a network |
| JP2004303353A (ja) * | 2003-03-31 | 2004-10-28 | Toshiba Corp | 情報記録媒体及び情報処理方法、情報処理装置及び再生装置 |
| JP2005051633A (ja) * | 2003-07-30 | 2005-02-24 | Sony Corp | 編集装置、ビットレート制御方法及びビットレート制御プログラム |
| JP4369957B2 (ja) * | 2005-02-01 | 2009-11-25 | パナソニック株式会社 | 再生装置 |
| JP5113051B2 (ja) * | 2005-07-29 | 2013-01-09 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号の処理方法 |
| KR100880643B1 (ko) * | 2005-08-30 | 2009-01-30 | 엘지전자 주식회사 | 오디오 신호의 디코딩 방법 및 장치 |
| US8577483B2 (en) | 2005-08-30 | 2013-11-05 | Lg Electronics, Inc. | Method for decoding an audio signal |
| KR101169281B1 (ko) | 2005-10-05 | 2012-08-02 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩 방법 및 이의 장치 |
| US7840401B2 (en) | 2005-10-24 | 2010-11-23 | Lg Electronics Inc. | Removing time delays in signal paths |
| US9794712B2 (en) | 2014-04-25 | 2017-10-17 | Dolby Laboratories Licensing Corporation | Matrix decomposition for rendering adaptive audio using high definition audio codecs |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5623424A (en) * | 1995-05-08 | 1997-04-22 | Kabushiki Kaisha Toshiba | Rate-controlled digital video editing method and system which controls bit allocation of a video encoder by varying quantization levels |
| US5684714A (en) * | 1995-05-08 | 1997-11-04 | Kabushiki Kaisha Toshiba | Method and system for a user to manually alter the quality of a previously encoded video sequence |
| EP0784409A3 (en) * | 1996-01-11 | 2001-11-14 | Sony Corporation | Video coding and multiplexing |
-
1999
- 1999-07-05 EP EP99929568A patent/EP1095488B8/en not_active Expired - Lifetime
- 1999-07-05 WO PCT/GB1999/002138 patent/WO2000002357A1/en not_active Ceased
- 1999-07-05 AT AT99929568T patent/ATE280460T1/de active
- 1999-07-05 CN CNB99808140XA patent/CN1331335C/zh not_active Expired - Fee Related
- 1999-07-05 ES ES99929568T patent/ES2228061T3/es not_active Expired - Lifetime
- 1999-07-05 CA CA002336411A patent/CA2336411C/en not_active Expired - Fee Related
- 1999-07-05 DE DE69921326T patent/DE69921326T2/de not_active Expired - Lifetime
- 1999-07-05 KR KR1020017000071A patent/KR100725766B1/ko not_active Expired - Fee Related
- 1999-07-05 JP JP2000558642A patent/JP2002520760A/ja active Pending
- 1999-07-05 AU AU46355/99A patent/AU759989B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE69921326T2 (de) | 2006-02-09 |
| CA2336411A1 (en) | 2000-01-13 |
| EP1095488B1 (en) | 2004-10-20 |
| KR100725766B1 (ko) | 2007-06-08 |
| CN1308804A (zh) | 2001-08-15 |
| KR20010071723A (ko) | 2001-07-31 |
| EP1095488B8 (en) | 2005-02-02 |
| JP2002520760A (ja) | 2002-07-09 |
| ATE280460T1 (de) | 2004-11-15 |
| AU759989B2 (en) | 2003-05-01 |
| ES2228061T3 (es) | 2005-04-01 |
| WO2000002357A1 (en) | 2000-01-13 |
| AU4635599A (en) | 2000-01-24 |
| EP1095488A1 (en) | 2001-05-02 |
| DE69921326D1 (de) | 2004-11-25 |
| CN1331335C (zh) | 2007-08-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20180705 |