JP2005531014A5 - - Google Patents
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- Publication number
- JP2005531014A5 JP2005531014A5 JP2003562916A JP2003562916A JP2005531014A5 JP 2005531014 A5 JP2005531014 A5 JP 2005531014A5 JP 2003562916 A JP2003562916 A JP 2003562916A JP 2003562916 A JP2003562916 A JP 2003562916A JP 2005531014 A5 JP2005531014 A5 JP 2005531014A5
- Authority
- JP
- Japan
- Prior art keywords
- audio data
- harmonic component
- pcm audio
- mdct
- extracted
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 claims 12
- 238000013139 quantization Methods 0.000 claims 6
- 238000000605 extraction Methods 0.000 claims 4
- 238000013500 data storage Methods 0.000 claims 1
- 230000001131 transforming effect Effects 0.000 claims 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2002-0036310A KR100462611B1 (ko) | 2002-06-27 | 2002-06-27 | 하모닉 성분을 이용한 오디오 코딩방법 및 장치 |
| PCT/KR2002/002348 WO2003063135A1 (en) | 2002-06-27 | 2002-12-12 | Audio coding method and apparatus using harmonic extraction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005531014A JP2005531014A (ja) | 2005-10-13 |
| JP2005531014A5 true JP2005531014A5 (https=) | 2006-07-13 |
Family
ID=27607091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003562916A Pending JP2005531014A (ja) | 2002-06-27 | 2002-12-12 | ハーモニック成分を利用したオーディオコーディング方法及び装置 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20040002854A1 (https=) |
| JP (1) | JP2005531014A (https=) |
| KR (1) | KR100462611B1 (https=) |
| CN (1) | CN1262990C (https=) |
| CA (1) | CA2490064A1 (https=) |
| DE (1) | DE10297751B4 (https=) |
| GB (1) | GB2408184B (https=) |
| RU (1) | RU2289858C2 (https=) |
| WO (1) | WO2003063135A1 (https=) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005094183A2 (en) * | 2004-03-30 | 2005-10-13 | Guy Fleishman | Apparatus and method for digital coding of sound |
| US8209579B2 (en) | 2004-03-31 | 2012-06-26 | Intel Corporation | Generalized multi-threshold decoder for low-density parity check codes |
| WO2005096509A1 (en) | 2004-03-31 | 2005-10-13 | Intel Corporation | Multi-threshold message passing decoding of low-density parity check codes |
| RU2337478C2 (ru) * | 2004-03-31 | 2008-10-27 | Интел Корпорейшн | Декодирование высокоизбыточных кодов с контролем четности с использованием многопорогового прохождения сообщения |
| DE602005023503D1 (de) * | 2004-10-28 | 2010-10-21 | Panasonic Corp | Skalierbare codierungsvorrichtung, skalierbare decodierungsvorrichtung und verfahren dafür |
| EP1849236A1 (en) | 2004-12-29 | 2007-10-31 | Intel Corporation | Channel estimation and fixed thresholds for multi-threshold decoding of low-density parity check codes |
| KR100707186B1 (ko) * | 2005-03-24 | 2007-04-13 | 삼성전자주식회사 | 오디오 부호화 및 복호화 장치와 그 방법 및 기록 매체 |
| JP4720302B2 (ja) * | 2005-06-07 | 2011-07-13 | トヨタ自動車株式会社 | 自動変速機のクラッチ装置 |
| KR100684029B1 (ko) * | 2005-09-13 | 2007-02-20 | 엘지전자 주식회사 | 푸리에 변환을 이용한 배음 생성 방법 및 이를 위한 장치,다운 샘플링에 의한 배음 생성 방법 및 이를 위한 장치와소리 보정 방법 및 이를 위한 장치 |
| KR100788706B1 (ko) * | 2006-11-28 | 2007-12-26 | 삼성전자주식회사 | 광대역 음성 신호의 부호화/복호화 방법 |
| EP2165328B1 (en) * | 2007-06-11 | 2018-01-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoding and decoding of an audio signal having an impulse-like portion and a stationary portion |
| US20090099844A1 (en) * | 2007-10-16 | 2009-04-16 | Qualcomm Incorporated | Efficient implementation of analysis and synthesis filterbanks for mpeg aac and mpeg aac eld encoders/decoders |
| US8631060B2 (en) | 2007-12-13 | 2014-01-14 | Qualcomm Incorporated | Fast algorithms for computation of 5-point DCT-II, DCT-IV, and DST-IV, and architectures |
| RU2464540C2 (ru) * | 2007-12-13 | 2012-10-20 | Квэлкомм Инкорпорейтед | Быстрые алгоритмы для вычисления 5-точечного dct-ii, dct-iv и dst-iv, и архитектуры |
| CN101552005A (zh) * | 2008-04-03 | 2009-10-07 | 华为技术有限公司 | 编码方法、解码方法、系统及装置 |
| EP3937167B1 (en) | 2008-07-11 | 2023-05-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and audio decoder |
| ES2988414T3 (es) | 2008-07-11 | 2024-11-20 | Fraunhofer Ges Zur Foerderungder Angewandten Forschung E V | Decodificador de audio |
| CN101751928B (zh) * | 2008-12-08 | 2012-06-13 | 扬智科技股份有限公司 | 应用音频帧频谱平坦度简化声学模型分析的方法及其装置 |
| BR122022013454B1 (pt) | 2009-10-20 | 2023-05-16 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Codificador de áudio, decodificador de áudio, método para codificar uma informação de áudio, método para decodificar uma informação de áudio que utiliza uma detecção de um grupo de valores espectrais previamente decodificados |
| RU2430407C1 (ru) * | 2010-04-20 | 2011-09-27 | Общество с ограниченной ответственностью "Научно-производственное предприятие "Цифровые решения" | Устройство для вычисления дискретного косинусного преобразования |
| JP5914527B2 (ja) * | 2011-02-14 | 2016-05-11 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 過渡検出及び品質結果を使用してオーディオ信号の一部分を符号化する装置及び方法 |
| MX2013013261A (es) * | 2011-05-13 | 2014-02-20 | Samsung Electronics Co Ltd | Asignacion de bits, codificacion y decodificacion de audio. |
| RU2464649C1 (ru) * | 2011-06-01 | 2012-10-20 | Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." | Способ обработки звукового сигнала |
| CN103516440B (zh) | 2012-06-29 | 2015-07-08 | 华为技术有限公司 | 语音频信号处理方法和编码装置 |
Family Cites Families (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5023910A (en) * | 1988-04-08 | 1991-06-11 | At&T Bell Laboratories | Vector quantization in a harmonic speech coding arrangement |
| JPH0364800A (ja) * | 1989-08-03 | 1991-03-20 | Ricoh Co Ltd | 音声符号化及び復号化方式 |
| JP3266920B2 (ja) * | 1991-09-25 | 2002-03-18 | 三菱電機株式会社 | 音声符号化装置及び音声復号化装置並びに音声符号化復号化装置 |
| US5285498A (en) * | 1992-03-02 | 1994-02-08 | At&T Bell Laboratories | Method and apparatus for coding audio signals based on perceptual model |
| US5717821A (en) * | 1993-05-31 | 1998-02-10 | Sony Corporation | Method, apparatus and recording medium for coding of separated tone and noise characteristic spectral components of an acoustic sibnal |
| KR100368854B1 (ko) * | 1993-06-30 | 2003-05-17 | 소니 가부시끼 가이샤 | 디지털신호의부호화장치,그의복호화장치및기록매체 |
| JPH0736486A (ja) * | 1993-07-22 | 1995-02-07 | Matsushita Electric Ind Co Ltd | 音声符号化装置 |
| JP3131542B2 (ja) * | 1993-11-25 | 2001-02-05 | シャープ株式会社 | 符号化復号化装置 |
| CA2136891A1 (en) * | 1993-12-20 | 1995-06-21 | Kalyan Ganesan | Removal of swirl artifacts from celp based speech coders |
| DE19537338C2 (de) * | 1995-10-06 | 2003-05-22 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Codieren von Audiosignalen |
| TW321810B (https=) * | 1995-10-26 | 1997-12-01 | Sony Co Ltd | |
| JP2778567B2 (ja) * | 1995-12-23 | 1998-07-23 | 日本電気株式会社 | 信号符号化装置及び方法 |
| JPH09246983A (ja) * | 1996-03-08 | 1997-09-19 | Nec Eng Ltd | ディジタル信号処理装置 |
| US6269338B1 (en) * | 1996-10-10 | 2001-07-31 | U.S. Philips Corporation | Data compression and expansion of an audio signal |
| JPH10178349A (ja) * | 1996-12-19 | 1998-06-30 | Matsushita Electric Ind Co Ltd | オーディオ信号の符号化方法および復号方法 |
| KR19980072457A (ko) * | 1997-03-05 | 1998-11-05 | 이준우 | 오디오 신호의 압축시 심리음향에서의 신호처리방법 및 그 장치 |
| US5930373A (en) * | 1997-04-04 | 1999-07-27 | K.S. Waves Ltd. | Method and system for enhancing quality of sound signal |
| DE19742201C1 (de) * | 1997-09-24 | 1999-02-04 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Codieren von Audiosignalen |
| CA2246532A1 (en) * | 1998-09-04 | 2000-03-04 | Northern Telecom Limited | Perceptual audio coding |
| KR100300887B1 (ko) * | 1999-02-24 | 2001-09-26 | 유수근 | 디지털 오디오 데이터의 역방향 디코딩 방법 |
| JP2000267700A (ja) * | 1999-03-17 | 2000-09-29 | Yrp Kokino Idotai Tsushin Kenkyusho:Kk | 音声符号化復号方法および装置 |
| JP2000276194A (ja) * | 1999-03-25 | 2000-10-06 | Yamaha Corp | 波形圧縮方法及び波形生成方法 |
| US6377916B1 (en) * | 1999-11-29 | 2002-04-23 | Digital Voice Systems, Inc. | Multiband harmonic transform coder |
| DE10000934C1 (de) * | 2000-01-12 | 2001-09-27 | Fraunhofer Ges Forschung | Vorrichtung und Verfahren zum Bestimmen eines Codierungs-Blockrasters eines decodierten Signals |
| JP4055336B2 (ja) * | 2000-07-05 | 2008-03-05 | 日本電気株式会社 | 音声符号化装置及びそれに用いる音声符号化方法 |
| KR100348899B1 (ko) * | 2000-09-19 | 2002-08-14 | 한국전자통신연구원 | 캡스트럼 분석을 이용한 하모닉 노이즈 음성 부호화기 및부호화 방법 |
| KR100378796B1 (ko) * | 2001-04-03 | 2003-04-03 | 엘지전자 주식회사 | 디지탈 오디오 부호화기 및 복호화 방법 |
| US6732071B2 (en) * | 2001-09-27 | 2004-05-04 | Intel Corporation | Method, apparatus, and system for efficient rate control in audio encoding |
| KR100472442B1 (ko) * | 2002-02-16 | 2005-03-08 | 삼성전자주식회사 | 웨이브렛 패킷 변환을 이용한 오디오 압축 방법 및 그시스템 |
-
2002
- 2002-06-27 KR KR10-2002-0036310A patent/KR100462611B1/ko not_active Expired - Fee Related
- 2002-12-12 GB GB0427660A patent/GB2408184B/en not_active Expired - Fee Related
- 2002-12-12 CN CNB028293487A patent/CN1262990C/zh not_active Expired - Fee Related
- 2002-12-12 CA CA002490064A patent/CA2490064A1/en not_active Abandoned
- 2002-12-12 RU RU2004138088/09A patent/RU2289858C2/ru not_active IP Right Cessation
- 2002-12-12 WO PCT/KR2002/002348 patent/WO2003063135A1/en not_active Ceased
- 2002-12-12 DE DE10297751T patent/DE10297751B4/de not_active Expired - Fee Related
- 2002-12-12 JP JP2003562916A patent/JP2005531014A/ja active Pending
-
2003
- 2003-01-13 US US10/340,828 patent/US20040002854A1/en not_active Abandoned
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