CA2305544C - Frame-based audio coding with video/audio data synchronization by dynamic audio frame alignment - Google Patents
Frame-based audio coding with video/audio data synchronization by dynamic audio frame alignment Download PDFInfo
- Publication number
- CA2305544C CA2305544C CA002305544A CA2305544A CA2305544C CA 2305544 C CA2305544 C CA 2305544C CA 002305544 A CA002305544 A CA 002305544A CA 2305544 A CA2305544 A CA 2305544A CA 2305544 C CA2305544 C CA 2305544C
- Authority
- CA
- Canada
- Prior art keywords
- audio
- frame
- input
- samples
- equal
- 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
- 238000000034 method Methods 0.000 claims abstract description 71
- 238000012545 processing Methods 0.000 claims abstract description 20
- 238000003786 synthesis reaction Methods 0.000 claims description 124
- 230000015572 biosynthetic process Effects 0.000 claims description 99
- 230000004044 response Effects 0.000 claims description 75
- 238000009795 derivation Methods 0.000 claims description 3
- 230000003595 spectral effect Effects 0.000 abstract description 21
- 230000005236 sound signal Effects 0.000 abstract description 14
- OVOUKWFJRHALDD-UHFFFAOYSA-N 2-[2-(2-acetyloxyethoxy)ethoxy]ethyl acetate Chemical compound CC(=O)OCCOCCOCCOC(C)=O OVOUKWFJRHALDD-UHFFFAOYSA-N 0.000 abstract description 10
- 238000004458 analytical method Methods 0.000 description 44
- 230000008569 process Effects 0.000 description 23
- 230000000694 effects Effects 0.000 description 19
- 230000014509 gene expression Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 10
- 238000009499 grossing Methods 0.000 description 9
- 230000001360 synchronised effect Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- IXKSXJFAGXLQOQ-XISFHERQSA-N WHWLQLKPGQPMY Chemical compound C([C@@H](C(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N1CCC[C@H]1C(=O)NCC(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CC(O)=O)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CC=1C=CC(O)=CC=1)C(O)=O)NC(=O)[C@@H](N)CC=1C2=CC=CC=C2NC=1)C1=CNC=N1 IXKSXJFAGXLQOQ-XISFHERQSA-N 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
- G11B27/038—Cross-faders therefor
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0248—Filters characterised by a particular frequency response or filtering method
- H03H17/0264—Filter sets with mutual related characteristics
- H03H17/0266—Filter banks
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Television Signal Processing For Recording (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/953,618 | 1997-10-17 | ||
| US08/953,618 US6124895A (en) | 1997-10-17 | 1997-10-17 | Frame-based audio coding with video/audio data synchronization by dynamic audio frame alignment |
| PCT/US1998/021761 WO1999021188A1 (en) | 1997-10-17 | 1998-10-15 | Frame-based audio coding with video/audio data synchronization by dynamic audio frame alignment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2305544A1 CA2305544A1 (en) | 1999-04-29 |
| CA2305544C true CA2305544C (en) | 2005-12-20 |
Family
ID=25494275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002305544A Expired - Lifetime CA2305544C (en) | 1997-10-17 | 1998-10-15 | Frame-based audio coding with video/audio data synchronization by dynamic audio frame alignment |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6124895A (enExample) |
| EP (1) | EP1023728B1 (enExample) |
| JP (1) | JP4126681B2 (enExample) |
| KR (1) | KR100621424B1 (enExample) |
| AT (1) | ATE210879T1 (enExample) |
| AU (1) | AU746718B2 (enExample) |
| CA (1) | CA2305544C (enExample) |
| DE (1) | DE69802957T2 (enExample) |
| DK (1) | DK1023728T3 (enExample) |
| ES (1) | ES2165195T3 (enExample) |
| WO (1) | WO1999021188A1 (enExample) |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3450662B2 (ja) * | 1997-08-14 | 2003-09-29 | パイオニア株式会社 | 情報記録媒体、その再生装置及び方法並びにその記録装置及び方法 |
| US6226608B1 (en) * | 1999-01-28 | 2001-05-01 | Dolby Laboratories Licensing Corporation | Data framing for adaptive-block-length coding system |
| JP2003505951A (ja) * | 1999-07-16 | 2003-02-12 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | オーディオ・ビジュアル・ストリームの記録及び編集 |
| US6864913B2 (en) * | 1999-12-23 | 2005-03-08 | Harry L. Tarnoff | Method and apparatus for a reconfigurable digital processor for film conversion |
| EP1215663A1 (en) * | 2000-12-15 | 2002-06-19 | BRITISH TELECOMMUNICATIONS public limited company | Encoding audio signals |
| US6834058B1 (en) | 2000-12-29 | 2004-12-21 | Cisco Systems O.I.A. (1988) Ltd. | Synchronization and alignment of multiple variable length cell streams |
| SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
| US7469206B2 (en) | 2001-11-29 | 2008-12-23 | Coding Technologies Ab | Methods for improving high frequency reconstruction |
| DE60226777D1 (de) * | 2002-01-18 | 2008-07-03 | Koninkl Philips Electronics Nv | Audio-kodierung |
| KR100926469B1 (ko) * | 2002-01-31 | 2009-11-13 | 톰슨 라이센싱 | 가변 지연을 제공하는 오디오/비디오 시스템과, 제 1 지연된 디지털 신호에 대해 제 2 디지털 신호를 동기화하기 위한 방법 |
| AU2006235813B2 (en) * | 2002-09-18 | 2009-03-12 | Dolby International Ab | Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
| SE0202770D0 (sv) * | 2002-09-18 | 2002-09-18 | Coding Technologies Sweden Ab | Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks |
| US7330812B2 (en) * | 2002-10-04 | 2008-02-12 | National Research Council Of Canada | Method and apparatus for transmitting an audio stream having additional payload in a hidden sub-channel |
| US7474722B1 (en) * | 2003-03-21 | 2009-01-06 | D2Audio Corporation | Systems and methods for sample rate conversion using multiple rate estimate counters |
| US7908306B1 (en) | 2003-03-21 | 2011-03-15 | D2Audio Corp | SRC with multiple sets of filter coefficients in memory and a high order coefficient interpolator |
| US7738613B1 (en) | 2003-03-21 | 2010-06-15 | D2Audio Corporation | Streaming multi-channel audio as packetized data or parallel data with a separate input frame sync |
| US7929718B1 (en) | 2003-05-12 | 2011-04-19 | D2Audio Corporation | Systems and methods for switching and mixing signals in a multi-channel amplifier |
| US7292902B2 (en) * | 2003-11-12 | 2007-11-06 | Dolby Laboratories Licensing Corporation | Frame-based audio transmission/storage with overlap to facilitate smooth crossfading |
| ATE484157T1 (de) | 2004-05-13 | 2010-10-15 | Qualcomm Inc | Synchronisierung von audio und video daten in einem drahtlosen nachrichtenübertragungssystem |
| US7526085B1 (en) * | 2004-07-13 | 2009-04-28 | Advanced Micro Devices, Inc. | Throughput and latency of inbound and outbound IPsec processing |
| US7996699B2 (en) * | 2005-04-11 | 2011-08-09 | Graphics Properties Holdings, Inc. | System and method for synchronizing multiple media devices |
| US8108219B2 (en) * | 2005-07-11 | 2012-01-31 | Lg Electronics Inc. | Apparatus and method of encoding and decoding audio signal |
| JP4442548B2 (ja) | 2005-11-09 | 2010-03-31 | トヨタ自動車株式会社 | ルーフヘッダ構造 |
| WO2008004649A1 (fr) * | 2006-07-07 | 2008-01-10 | Nec Corporation | Dispositif de codage audio, procédé de codage audio, et programme de ceux-ci |
| US8805678B2 (en) * | 2006-11-09 | 2014-08-12 | Broadcom Corporation | Method and system for asynchronous pipeline architecture for multiple independent dual/stereo channel PCM processing |
| 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 |
| US8174761B2 (en) * | 2009-06-10 | 2012-05-08 | Universitat Heidelberg | Total internal reflection interferometer with laterally structured illumination |
| WO2011119111A1 (en) * | 2010-03-26 | 2011-09-29 | Agency For Science, Technology And Research | Methods and devices for providing an encoded digital signal |
| US9942593B2 (en) * | 2011-02-10 | 2018-04-10 | Intel Corporation | Producing decoded audio at graphics engine of host processing platform |
| US8712076B2 (en) | 2012-02-08 | 2014-04-29 | Dolby Laboratories Licensing Corporation | Post-processing including median filtering of noise suppression gains |
| US9173025B2 (en) | 2012-02-08 | 2015-10-27 | Dolby Laboratories Licensing Corporation | Combined suppression of noise, echo, and out-of-location signals |
| US9125054B2 (en) * | 2012-03-23 | 2015-09-01 | Broadcom Corporation | Configurable integrated radio processor |
| HK1217812A1 (zh) * | 2013-01-24 | 2017-01-20 | Telesofia Medical Ltd. | 用於灵活视频构建的系统和方法 |
| TWI557727B (zh) * | 2013-04-05 | 2016-11-11 | 杜比國際公司 | 音訊處理系統、多媒體處理系統、處理音訊位元流的方法以及電腦程式產品 |
| ES2650117T3 (es) | 2013-08-23 | 2018-01-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y procedimiento para procesar una señal de audio empleando una combinación en un intervalo de solapamiento |
| RU2681958C1 (ru) * | 2015-03-09 | 2019-03-14 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Выровненное по фрагменту аудиокодирование |
| TWI594231B (zh) * | 2016-12-23 | 2017-08-01 | 瑞軒科技股份有限公司 | 分頻壓縮電路，音訊處理方法以及音訊處理系統 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0158055A1 (de) * | 1984-03-06 | 1985-10-16 | WILLI STUDER AG Fabrik für elektronische Apparate | Verfahren zur Ueberblendung digitaler Audiosignale, sowie Vorrichtung zur Durchfahrung des Verfahrens |
| JPS60212874A (ja) * | 1984-04-09 | 1985-10-25 | Matsushita Electric Ind Co Ltd | デイジタル信号記録再生装置 |
| US4903148A (en) * | 1986-04-02 | 1990-02-20 | Matsushita Electric Industrial Co., Ltd. | Digital signal editing apparatus |
| US4963967A (en) * | 1989-03-10 | 1990-10-16 | Tektronix, Inc. | Timing audio and video signals with coincidental markers |
| JPH0654222A (ja) * | 1992-07-28 | 1994-02-25 | Sony Corp | 同期装置 |
| US5351092A (en) * | 1993-07-23 | 1994-09-27 | The Grass Valley Group, Inc. | Synchronization of digital audio with digital video |
| US5483538A (en) * | 1994-05-25 | 1996-01-09 | The Grass Valley Group, Inc. | Audio frame synchronization for embedded audio demultiplexers |
| US5603016A (en) * | 1994-08-03 | 1997-02-11 | Intel Corporation | Method for synchronizing playback of an audio track to a video track |
| JP3603381B2 (ja) * | 1995-04-07 | 2004-12-22 | ソニー株式会社 | 圧縮データ編集装置および圧縮データ編集方法 |
| DE69623771T2 (de) * | 1995-05-31 | 2003-07-31 | Sony Corp., Tokio/Tokyo | Verfahren und vorrichtung zur kodierung von audiosignalen und verfahren und vorrichtung zur dekodierung von audiosignalen |
| GB2311918B (en) * | 1996-04-02 | 2000-11-01 | Sony Uk Ltd | Audio signal processor |
-
1997
- 1997-10-17 US US08/953,618 patent/US6124895A/en not_active Expired - Lifetime
-
1998
- 1998-10-15 WO PCT/US1998/021761 patent/WO1999021188A1/en not_active Ceased
- 1998-10-15 AU AU10881/99A patent/AU746718B2/en not_active Expired
- 1998-10-15 ES ES98953538T patent/ES2165195T3/es not_active Expired - Lifetime
- 1998-10-15 KR KR1020007004123A patent/KR100621424B1/ko not_active Expired - Lifetime
- 1998-10-15 EP EP98953538A patent/EP1023728B1/en not_active Expired - Lifetime
- 1998-10-15 DK DK98953538T patent/DK1023728T3/da active
- 1998-10-15 CA CA002305544A patent/CA2305544C/en not_active Expired - Lifetime
- 1998-10-15 DE DE69802957T patent/DE69802957T2/de not_active Expired - Lifetime
- 1998-10-15 JP JP2000517418A patent/JP4126681B2/ja not_active Expired - Lifetime
- 1998-10-15 AT AT98953538T patent/ATE210879T1/de active
Also Published As
| Publication number | Publication date |
|---|---|
| US6124895A (en) | 2000-09-26 |
| CA2305544A1 (en) | 1999-04-29 |
| DE69802957T2 (de) | 2002-06-20 |
| JP4126681B2 (ja) | 2008-07-30 |
| KR100621424B1 (ko) | 2006-09-13 |
| ATE210879T1 (de) | 2001-12-15 |
| DK1023728T3 (da) | 2002-03-25 |
| DE69802957D1 (de) | 2002-01-24 |
| AU1088199A (en) | 1999-05-10 |
| EP1023728A1 (en) | 2000-08-02 |
| EP1023728B1 (en) | 2001-12-12 |
| AU746718B2 (en) | 2002-05-02 |
| KR20010024531A (ko) | 2001-03-26 |
| JP2001521309A (ja) | 2001-11-06 |
| WO1999021188A1 (en) | 1999-04-29 |
| ES2165195T3 (es) | 2002-03-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20181015 |