AU745914B2 - Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries - Google Patents
Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries Download PDFInfo
- Publication number
- AU745914B2 AU745914B2 AU13608/99A AU1360899A AU745914B2 AU 745914 B2 AU745914 B2 AU 745914B2 AU 13608/99 A AU13608/99 A AU 13608/99A AU 1360899 A AU1360899 A AU 1360899A AU 745914 B2 AU745914 B2 AU 745914B2
- Authority
- AU
- Australia
- Prior art keywords
- synthesis
- filterbank
- synthesized sample
- block
- frame
- 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
Links
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- 238000000034 method Methods 0.000 claims abstract description 59
- 238000012545 processing Methods 0.000 claims abstract description 18
- 238000003786 synthesis reaction Methods 0.000 claims description 219
- 230000015572 biosynthetic process Effects 0.000 claims description 199
- 230000004044 response Effects 0.000 claims description 130
- 238000004458 analytical method Methods 0.000 claims description 92
- 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
- 230000005236 sound signal Effects 0.000 abstract description 6
- 230000008569 process Effects 0.000 description 17
- 230000000694 effects Effects 0.000 description 16
- 230000014509 gene expression Effects 0.000 description 9
- 238000009499 grossing Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 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
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- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
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- 238000009795 derivation Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
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- FDSYTWVNUJTPMA-UHFFFAOYSA-N 2-[3,9-bis(carboxymethyl)-3,6,9,15-tetrazabicyclo[9.3.1]pentadeca-1(15),11,13-trien-6-yl]acetic acid Chemical compound C1N(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC2=CC=CC1=N2 FDSYTWVNUJTPMA-UHFFFAOYSA-N 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
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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
-
- 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)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Stereophonic System (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/953,106 US5903872A (en) | 1997-10-17 | 1997-10-17 | Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries |
| US08/953106 | 1997-10-17 | ||
| PCT/US1998/021700 WO1999021187A1 (en) | 1997-10-17 | 1998-10-15 | Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU1360899A AU1360899A (en) | 1999-05-10 |
| AU745914B2 true AU745914B2 (en) | 2002-04-11 |
Family
ID=25493577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU13608/99A Expired AU745914B2 (en) | 1997-10-17 | 1998-10-15 | Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US5903872A (https=) |
| EP (1) | EP1023730B1 (https=) |
| JP (1) | JP4126680B2 (https=) |
| KR (1) | KR100630893B1 (https=) |
| CN (1) | CN1199179C (https=) |
| AT (1) | ATE210881T1 (https=) |
| AU (1) | AU745914B2 (https=) |
| BR (1) | BR9812921B1 (https=) |
| CA (1) | CA2305237C (https=) |
| DE (1) | DE69802959T2 (https=) |
| DK (1) | DK1023730T3 (https=) |
| ES (1) | ES2165200T3 (https=) |
| MY (1) | MY117166A (https=) |
| TW (1) | TW391137B (https=) |
| WO (1) | WO1999021187A1 (https=) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6226608B1 (en) * | 1999-01-28 | 2001-05-01 | Dolby Laboratories Licensing Corporation | Data framing for adaptive-block-length coding system |
| US7283965B1 (en) * | 1999-06-30 | 2007-10-16 | The Directv Group, Inc. | Delivery and transmission of dolby digital AC-3 over television broadcast |
| US6748363B1 (en) * | 2000-06-28 | 2004-06-08 | Texas Instruments Incorporated | TI window compression/expansion method |
| EP1215663A1 (en) * | 2000-12-15 | 2002-06-19 | BRITISH TELECOMMUNICATIONS public limited company | Encoding audio signals |
| JP4867076B2 (ja) * | 2001-03-28 | 2012-02-01 | 日本電気株式会社 | 音声合成用圧縮素片作成装置、音声規則合成装置及びそれらに用いる方法 |
| FR2824978B1 (fr) * | 2001-05-15 | 2003-09-19 | Wavecom Sa | Dispositif et procede de traitement d'un signal audio |
| AU2003236150A1 (en) | 2002-04-26 | 2003-11-10 | China Petroleum And Chemical Corporation | Downflow catalytic cracking reactor and use thereof |
| US7292902B2 (en) * | 2003-11-12 | 2007-11-06 | Dolby Laboratories Licensing Corporation | Frame-based audio transmission/storage with overlap to facilitate smooth crossfading |
| JP2009543112A (ja) * | 2006-06-29 | 2009-12-03 | エヌエックスピー ビー ヴィ | 音声パラメータの復号化 |
| JP5302190B2 (ja) * | 2007-05-24 | 2013-10-02 | パナソニック株式会社 | オーディオ復号装置、オーディオ復号方法、プログラム及び集積回路 |
| JP5044019B2 (ja) * | 2007-07-13 | 2012-10-10 | ドルビー ラボラトリーズ ライセンシング コーポレイション | レベルの時変の推定された確率密度を使用する時変オーディオ信号レベル |
| US20090048827A1 (en) * | 2007-08-17 | 2009-02-19 | Manoj Kumar | Method and system for audio frame estimation |
| BRPI0821091B1 (pt) * | 2007-12-21 | 2020-11-10 | France Telecom | processo e dispositivo de codificação/decodificação por transformada com janelas adaptativas, e memória legível por computador |
| TWI675367B (zh) | 2009-05-27 | 2019-10-21 | 瑞典商杜比國際公司 | 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 |
| 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 |
| KR101838301B1 (ko) * | 2012-02-17 | 2018-03-13 | 삼성전자주식회사 | 멀티미디어 컨텐츠 프레임 검색 방법 및 장치 |
| EP2898506B1 (en) | 2012-09-21 | 2018-01-17 | Dolby Laboratories Licensing Corporation | Layered approach to spatial audio coding |
| 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 |
| EP3998605A1 (en) * | 2014-06-10 | 2022-05-18 | MQA Limited | Digital encapsulation of audio signals |
| US10861471B2 (en) * | 2015-06-10 | 2020-12-08 | Sony Corporation | Signal processing apparatus, signal processing method, and program |
| MY196436A (en) * | 2016-01-22 | 2023-04-11 | Fraunhofer Ges Forschung | Apparatus and Method for Encoding or Decoding a Multi-Channel Signal Using Frame Control Synchronization |
| AU2017219696B2 (en) * | 2016-02-17 | 2018-11-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing |
| US10726851B2 (en) * | 2017-08-31 | 2020-07-28 | Sony Interactive Entertainment Inc. | Low latency audio stream acceleration by selectively dropping and blending audio blocks |
| CN116721670A (zh) * | 2023-04-24 | 2023-09-08 | 武汉海微科技有限公司 | 分段音频信号的滤波方法、装置、设备及存储介质 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4644400A (en) * | 1984-04-09 | 1987-02-17 | Nec Corporation | Digital audio synchronizing system with cross-fade means |
| WO1997021211A1 (en) * | 1995-12-01 | 1997-06-12 | Digital Theater Systems, Inc. | Multi-channel predictive subband coder using psychoacoustic adaptive bit allocation |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5479562A (en) * | 1989-01-27 | 1995-12-26 | Dolby Laboratories Licensing Corporation | Method and apparatus for encoding and decoding audio information |
| US5222189A (en) * | 1989-01-27 | 1993-06-22 | Dolby Laboratories Licensing Corporation | Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio |
| NL9000338A (nl) * | 1989-06-02 | 1991-01-02 | Koninkl Philips Electronics Nv | Digitaal transmissiesysteem, zender en ontvanger te gebruiken in het transmissiesysteem en registratiedrager verkregen met de zender in de vorm van een optekeninrichting. |
| CN1062963C (zh) * | 1990-04-12 | 2001-03-07 | 多尔拜实验特许公司 | 用于产生高质量声音信号的解码器和编码器 |
| EP0520068B1 (en) * | 1991-01-08 | 1996-05-15 | Dolby Laboratories Licensing Corporation | Encoder/decoder for multidimensional sound fields |
| ZA921988B (en) * | 1991-03-29 | 1993-02-24 | Sony Corp | High efficiency digital data encoding and decoding apparatus |
| JP3141450B2 (ja) * | 1991-09-30 | 2001-03-05 | ソニー株式会社 | オーディオ信号処理方法 |
| US5394508A (en) * | 1992-01-17 | 1995-02-28 | Massachusetts Institute Of Technology | Method and apparatus for encoding decoding and compression of audio-type data |
| US5623577A (en) * | 1993-07-16 | 1997-04-22 | Dolby Laboratories Licensing Corporation | Computationally efficient adaptive bit allocation for encoding method and apparatus with allowance for decoder spectral distortions |
| WO1995032556A1 (en) * | 1994-05-19 | 1995-11-30 | Philips Electronics N.V. | Arrangement for determining a signal spectrum of a wideband digital signal and for deriving bit allocation information in response thereto |
| DE69525836T2 (de) * | 1994-11-04 | 2002-11-21 | Koninklijke Philips Electronics N.V., Eindhoven | Kodierung und dekodierung eines breitbandigen digitalen informationssignals |
| US5727119A (en) * | 1995-03-27 | 1998-03-10 | Dolby Laboratories Licensing Corporation | Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase |
-
1997
- 1997-10-17 US US08/953,106 patent/US5903872A/en not_active Expired - Lifetime
-
1998
- 1998-10-14 TW TW087117092A patent/TW391137B/zh not_active IP Right Cessation
- 1998-10-15 WO PCT/US1998/021700 patent/WO1999021187A1/en not_active Ceased
- 1998-10-15 MY MYPI98004715A patent/MY117166A/en unknown
- 1998-10-15 CA CA002305237A patent/CA2305237C/en not_active Expired - Lifetime
- 1998-10-15 AT AT98957324T patent/ATE210881T1/de active
- 1998-10-15 JP JP2000517417A patent/JP4126680B2/ja not_active Expired - Lifetime
- 1998-10-15 KR KR1020007003420A patent/KR100630893B1/ko not_active Expired - Lifetime
- 1998-10-15 BR BRPI9812921-0A patent/BR9812921B1/pt not_active IP Right Cessation
- 1998-10-15 AU AU13608/99A patent/AU745914B2/en not_active Expired
- 1998-10-15 DE DE69802959T patent/DE69802959T2/de not_active Expired - Lifetime
- 1998-10-15 EP EP98957324A patent/EP1023730B1/en not_active Expired - Lifetime
- 1998-10-15 CN CNB988100932A patent/CN1199179C/zh not_active Expired - Lifetime
- 1998-10-15 ES ES98957324T patent/ES2165200T3/es not_active Expired - Lifetime
- 1998-10-15 DK DK98957324T patent/DK1023730T3/da active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4644400A (en) * | 1984-04-09 | 1987-02-17 | Nec Corporation | Digital audio synchronizing system with cross-fade means |
| WO1997021211A1 (en) * | 1995-12-01 | 1997-06-12 | Digital Theater Systems, Inc. | Multi-channel predictive subband coder using psychoacoustic adaptive bit allocation |
Also Published As
| Publication number | Publication date |
|---|---|
| BR9812921B1 (pt) | 2010-11-30 |
| DK1023730T3 (da) | 2002-04-02 |
| KR100630893B1 (ko) | 2006-10-02 |
| TW391137B (en) | 2000-05-21 |
| ATE210881T1 (de) | 2001-12-15 |
| WO1999021187A1 (en) | 1999-04-29 |
| CN1275234A (zh) | 2000-11-29 |
| US5903872A (en) | 1999-05-11 |
| HK1033194A1 (en) | 2001-08-17 |
| EP1023730A1 (en) | 2000-08-02 |
| JP4126680B2 (ja) | 2008-07-30 |
| KR20010024341A (ko) | 2001-03-26 |
| ES2165200T3 (es) | 2002-03-01 |
| JP2001521308A (ja) | 2001-11-06 |
| MY117166A (en) | 2004-05-31 |
| CA2305237C (en) | 2005-12-20 |
| DE69802959D1 (de) | 2002-01-24 |
| CN1199179C (zh) | 2005-04-27 |
| CA2305237A1 (en) | 1999-04-29 |
| AU1360899A (en) | 1999-05-10 |
| DE69802959T2 (de) | 2002-06-20 |
| BR9812921A (pt) | 2000-08-08 |
| EP1023730B1 (en) | 2001-12-12 |
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| JP2001521347A5 (https=) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| SREP | Specification republished | ||
| TH | Corrigenda |
Free format text: IN VOL 16, NO 10, PAGE(S) 2300 UNDER THE HEADING APPLICATIONS ACCEPTED UNDER THE NAME DOLBY LABORATORIES LICENSING CORP., SERIAL NO. 745914. THE APPLICATION WAS PUBLISHED ON 20020411 WITH AN INCORRECT SPECIFICATION T SPECIFICATION HAS BEEN REISSUED ON THE AU-B CD-ROM OF THIS JOURNAL DATE. THE OPPOSITION PERIOD STARTS FROM 20020606 |
|
| FGA | Letters patent sealed or granted (standard patent) | ||
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |