TW200737738A - Apparatus and method for encoding and decoding signal - Google Patents
Apparatus and method for encoding and decoding signalInfo
- Publication number
- TW200737738A TW200737738A TW096102002A TW96102002A TW200737738A TW 200737738 A TW200737738 A TW 200737738A TW 096102002 A TW096102002 A TW 096102002A TW 96102002 A TW96102002 A TW 96102002A TW 200737738 A TW200737738 A TW 200737738A
- Authority
- TW
- Taiwan
- Prior art keywords
- signals
- encoding
- decoding
- encoded
- decoding methods
- Prior art date
Links
- 230000002194 synthesizing effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75962206P | 2006-01-18 | 2006-01-18 | |
| US79778206P | 2006-05-03 | 2006-05-03 | |
| US81792606P | 2006-06-29 | 2006-06-29 | |
| US84451006P | 2006-09-13 | 2006-09-13 | |
| US84821706P | 2006-09-29 | 2006-09-29 | |
| US86082206P | 2006-11-24 | 2006-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW200737738A true TW200737738A (en) | 2007-10-01 |
Family
ID=38287837
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW096102002A TW200737738A (en) | 2006-01-18 | 2007-01-18 | Apparatus and method for encoding and decoding signal |
| TW096102004A TWI318397B (en) | 2006-01-18 | 2007-01-18 | Apparatus and method for encoding and decoding signal |
| TW096102003A TWI333643B (en) | 2006-01-18 | 2007-01-18 | Apparatus and method for encoding and decoding signal |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW096102004A TWI318397B (en) | 2006-01-18 | 2007-01-18 | Apparatus and method for encoding and decoding signal |
| TW096102003A TWI333643B (en) | 2006-01-18 | 2007-01-18 | Apparatus and method for encoding and decoding signal |
Country Status (10)
| Country | Link |
|---|---|
| US (3) | US20110057818A1 (zh) |
| EP (3) | EP1984911A4 (zh) |
| JP (3) | JP2009524100A (zh) |
| KR (3) | KR20080097178A (zh) |
| AU (1) | AU2007206167B8 (zh) |
| BR (1) | BRPI0707135A2 (zh) |
| CA (1) | CA2636493A1 (zh) |
| MX (1) | MX2008009088A (zh) |
| TW (3) | TW200737738A (zh) |
| WO (3) | WO2007083933A1 (zh) |
Families Citing this family (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007003187A1 (de) * | 2007-01-22 | 2008-10-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines zu sendenden Signals oder eines decodierten Signals |
| US7908103B2 (en) * | 2007-05-21 | 2011-03-15 | Nilanjan Senroy | System and methods for determining masking signals for applying empirical mode decomposition (EMD) and for demodulating intrinsic mode functions obtained from application of EMD |
| GB2454208A (en) * | 2007-10-31 | 2009-05-06 | Cambridge Silicon Radio Ltd | Compression using a perceptual model and a signal-to-mask ratio (SMR) parameter tuned based on target bitrate and previously encoded data |
| EP2218068A4 (en) | 2007-11-21 | 2010-11-24 | Lg Electronics Inc | METHOD AND APPARATUS FOR SIGNAL PROCESSING |
| JP5534528B2 (ja) * | 2008-03-28 | 2014-07-02 | トムソン ライセンシング | 信号を復号する装置および方法 |
| EP2144230A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme having cascaded switches |
| KR101381513B1 (ko) * | 2008-07-14 | 2014-04-07 | 광운대학교 산학협력단 | 음성/음악 통합 신호의 부호화/복호화 장치 |
| KR101261677B1 (ko) | 2008-07-14 | 2013-05-06 | 광운대학교 산학협력단 | 음성/음악 통합 신호의 부호화/복호화 장치 |
| KR20100007738A (ko) * | 2008-07-14 | 2010-01-22 | 한국전자통신연구원 | 음성/오디오 통합 신호의 부호화/복호화 장치 |
| KR20130069833A (ko) * | 2008-10-08 | 2013-06-26 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 다중 분해능 스위치드 오디오 부호화/복호화 방법 |
| CN101763856B (zh) * | 2008-12-23 | 2011-11-02 | 华为技术有限公司 | 信号分类处理方法、分类处理装置及编码系统 |
| CN101604525B (zh) * | 2008-12-31 | 2011-04-06 | 华为技术有限公司 | 基音增益获取方法、装置及编码器、解码器 |
| JP5358270B2 (ja) * | 2009-04-28 | 2013-12-04 | パナソニック株式会社 | デジタル信号再生装置及びデジタル信号圧縮装置 |
| KR20110001130A (ko) * | 2009-06-29 | 2011-01-06 | 삼성전자주식회사 | 가중 선형 예측 변환을 이용한 오디오 신호 부호화 및 복호화 장치 및 그 방법 |
| WO2011044700A1 (en) * | 2009-10-15 | 2011-04-21 | Voiceage Corporation | Simultaneous time-domain and frequency-domain noise shaping for tdac transforms |
| US8886523B2 (en) | 2010-04-14 | 2014-11-11 | Huawei Technologies Co., Ltd. | Audio decoding based on audio class with control code for post-processing modes |
| KR101696632B1 (ko) | 2010-07-02 | 2017-01-16 | 돌비 인터네셔널 에이비 | 선택적인 베이스 포스트 필터 |
| US9047875B2 (en) * | 2010-07-19 | 2015-06-02 | Futurewei Technologies, Inc. | Spectrum flatness control for bandwidth extension |
| US8660848B1 (en) * | 2010-08-20 | 2014-02-25 | Worcester Polytechnic Institute | Methods and systems for detection from and analysis of physical signals |
| US20120095729A1 (en) * | 2010-10-14 | 2012-04-19 | Electronics And Telecommunications Research Institute | Known information compression apparatus and method for separating sound source |
| TWI488176B (zh) | 2011-02-14 | 2015-06-11 | Fraunhofer Ges Forschung | 音訊信號音軌脈衝位置之編碼與解碼技術 |
| TWI564882B (zh) | 2011-02-14 | 2017-01-01 | 弗勞恩霍夫爾協會 | 利用重疊變換之資訊信號表示技術(一) |
| TWI479478B (zh) | 2011-02-14 | 2015-04-01 | 弗勞恩霍夫爾協會 | 用以使用對齊的預看部分將音訊信號解碼的裝置與方法 |
| WO2012110448A1 (en) | 2011-02-14 | 2012-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result |
| BR112013020324B8 (pt) | 2011-02-14 | 2022-02-08 | Fraunhofer Ges Forschung | Aparelho e método para supressão de erro em fala unificada de baixo atraso e codificação de áudio |
| KR101699898B1 (ko) | 2011-02-14 | 2017-01-25 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 스펙트럼 영역에서 디코딩된 오디오 신호를 처리하기 위한 방법 및 장치 |
| KR101613673B1 (ko) | 2011-02-14 | 2016-04-29 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 불활성 위상 동안에 잡음 합성을 사용하는 오디오 코덱 |
| MY165853A (en) * | 2011-02-14 | 2018-05-18 | Fraunhofer Ges Forschung | Linear prediction based coding scheme using spectral domain noise shaping |
| TWI492615B (zh) * | 2011-05-23 | 2015-07-11 | Nat Univ Chung Hsing | 改良向量量化編碼還原影像品質與快速編碼簿訓練方法、壓縮方法、解壓縮方法及其程式產品 |
| US9070361B2 (en) * | 2011-06-10 | 2015-06-30 | Google Technology Holdings LLC | Method and apparatus for encoding a wideband speech signal utilizing downmixing of a highband component |
| EP2724340B1 (en) * | 2011-07-07 | 2019-05-15 | Nuance Communications, Inc. | Single channel suppression of impulsive interferences in noisy speech signals |
| DK3709298T3 (da) * | 2011-11-03 | 2025-01-13 | Voiceage Evs Llc | Forbedring af ikke-taleindhold til celp-afkoder med lav hastighed |
| KR20130093783A (ko) * | 2011-12-30 | 2013-08-23 | 한국전자통신연구원 | 오디오 객체 전송 장치 및 방법 |
| WO2013107602A1 (en) | 2012-01-20 | 2013-07-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for audio encoding and decoding employing sinusoidal substitution |
| GB201201230D0 (en) * | 2012-01-25 | 2012-03-07 | Univ Delft Tech | Adaptive multi-dimensional data decomposition |
| CN105469805B (zh) | 2012-03-01 | 2018-01-12 | 华为技术有限公司 | 一种语音频信号处理方法和装置 |
| TWI591620B (zh) * | 2012-03-21 | 2017-07-11 | 三星電子股份有限公司 | 產生高頻雜訊的方法 |
| CN103368682B (zh) * | 2012-03-29 | 2016-12-07 | 华为技术有限公司 | 信号编码和解码的方法和设备 |
| CN103839551A (zh) * | 2012-11-22 | 2014-06-04 | 鸿富锦精密工业(深圳)有限公司 | 音频处理系统与音频处理方法 |
| CN104112451B (zh) * | 2013-04-18 | 2017-07-28 | 华为技术有限公司 | 一种选择编码模式的方法及装置 |
| EP2980801A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for estimating noise in an audio signal, noise estimator, audio encoder, audio decoder, and system for transmitting audio signals |
| CN106448688B (zh) | 2014-07-28 | 2019-11-05 | 华为技术有限公司 | 音频编码方法及相关装置 |
| US20170201356A1 (en) * | 2016-01-08 | 2017-07-13 | Rohde & Schwarz Gmbh & Co. Kg | Method and apparatus for expanding a message coverage |
| CN107316649B (zh) * | 2017-05-15 | 2020-11-20 | 百度在线网络技术(北京)有限公司 | 基于人工智能的语音识别方法及装置 |
| KR102736785B1 (ko) * | 2017-09-20 | 2024-12-03 | 보이세지 코포레이션 | 씨이엘피 코덱에 있어서 서브-프레임들간에 비트-예산을 할당하는 방법 및 디바이스 |
| CN115514974B (zh) * | 2018-09-05 | 2025-04-01 | Lg电子株式会社 | 对视频信号进行解码/编码及发送数据的方法及介质 |
| CN120881276A (zh) * | 2019-05-30 | 2025-10-31 | 夏普株式会社 | 图像解码装置 |
| EP3751567B1 (en) * | 2019-06-10 | 2022-01-26 | Axis AB | A method, a computer program, an encoder and a monitoring device |
| KR102892214B1 (ko) | 2019-07-02 | 2025-12-04 | 한국전자통신연구원 | 오디오 코딩을 위한 잔차 신호 처리 방법 및 오디오 처리 장치 |
| CN110489606B (zh) * | 2019-07-31 | 2023-06-06 | 云南师范大学 | 一种分组Hilbert编码和解码方法 |
| CN112155523B (zh) * | 2020-09-27 | 2022-09-16 | 太原理工大学 | 一种基于模态能量主成分比量化的脉搏信号特征提取与分类方法 |
| TWI768674B (zh) * | 2021-01-22 | 2022-06-21 | 宏碁股份有限公司 | 諧振峰強化的語音編碼裝置及語音編碼方法 |
| KR20250052461A (ko) * | 2021-07-08 | 2025-04-18 | 붐클라우드 360 인코포레이티드 | 올패스 필터 네트워크를 사용한 고도 지각적 큐의 무색 생성 |
Family Cites Families (66)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US714559A (en) * | 1902-06-10 | 1902-11-25 | John Byrne | Railway-tie. |
| DE69028176T2 (de) * | 1989-11-14 | 1997-01-23 | Nippon Electric Co | Adaptive Transformationskodierung durch optimale Blocklängenselektion in Abhängigkeit von Unterschieden zwischen aufeinanderfolgenden Blöcken |
| FR2674710B1 (fr) * | 1991-03-27 | 1994-11-04 | France Telecom | Procede et systeme de traitement des preechos d'un signal audio-numerique code par transformee frequentielle. |
| JPH05158495A (ja) * | 1991-05-07 | 1993-06-25 | Fujitsu Ltd | 音声符号化伝送装置 |
| US5734789A (en) * | 1992-06-01 | 1998-03-31 | Hughes Electronics | Voiced, unvoiced or noise modes in a CELP vocoder |
| US5712955A (en) * | 1993-06-30 | 1998-01-27 | Sony Corporation | Method and apparatus for encoding digital signal, method and apparatus for decoding digital signal, and recording medium for encoded signals |
| JP3277677B2 (ja) * | 1994-04-01 | 2002-04-22 | ソニー株式会社 | 信号符号化方法及び装置、信号記録媒体、信号伝送方法、並びに信号復号化方法及び装置 |
| US5742734A (en) * | 1994-08-10 | 1998-04-21 | Qualcomm Incorporated | Encoding rate selection in a variable rate vocoder |
| US5751903A (en) * | 1994-12-19 | 1998-05-12 | Hughes Electronics | Low rate multi-mode CELP codec that encodes line SPECTRAL frequencies utilizing an offset |
| ATE189353T1 (de) * | 1996-04-18 | 2000-02-15 | Nokia Mobile Phones Ltd | Videodatenkodierer und -dekodierer |
| US5881053A (en) * | 1996-09-13 | 1999-03-09 | Qualcomm Incorporated | Method for a wireless communications channel |
| JP3849210B2 (ja) * | 1996-09-24 | 2006-11-22 | ヤマハ株式会社 | 音声符号化復号方式 |
| US6148282A (en) * | 1997-01-02 | 2000-11-14 | Texas Instruments Incorporated | Multimodal code-excited linear prediction (CELP) coder and method using peakiness measure |
| US6134518A (en) * | 1997-03-04 | 2000-10-17 | International Business Machines Corporation | Digital audio signal coding using a CELP coder and a transform coder |
| EP0925580B1 (en) * | 1997-07-11 | 2003-11-05 | Koninklijke Philips Electronics N.V. | Transmitter with an improved speech encoder and decoder |
| WO1999010719A1 (en) * | 1997-08-29 | 1999-03-04 | The Regents Of The University Of California | Method and apparatus for hybrid coding of speech at 4kbps |
| KR100361883B1 (ko) * | 1997-10-03 | 2003-01-24 | 마츠시타 덴끼 산교 가부시키가이샤 | 오디오신호압축방법,오디오신호압축장치,음성신호압축방법,음성신호압축장치,음성인식방법및음성인식장치 |
| US6263312B1 (en) * | 1997-10-03 | 2001-07-17 | Alaris, Inc. | Audio compression and decompression employing subband decomposition of residual signal and distortion reduction |
| WO1999022525A1 (fr) * | 1997-10-23 | 1999-05-06 | Mitsubishi Denki Kabushiki Kaisha | Procede de codage d'images, codeur d'images, procede de decodage d'images, decodeur d'images |
| US6418147B1 (en) * | 1998-01-21 | 2002-07-09 | Globalstar Lp | Multiple vocoder mobile satellite telephone system |
| DE69926821T2 (de) * | 1998-01-22 | 2007-12-06 | Deutsche Telekom Ag | Verfahren zur signalgesteuerten Schaltung zwischen verschiedenen Audiokodierungssystemen |
| US6029126A (en) * | 1998-06-30 | 2000-02-22 | Microsoft Corporation | Scalable audio coder and decoder |
| JP4618823B2 (ja) * | 1998-10-22 | 2011-01-26 | ソニー株式会社 | 信号符号化装置及び方法 |
| US6300888B1 (en) * | 1998-12-14 | 2001-10-09 | Microsoft Corporation | Entrophy code mode switching for frequency-domain audio coding |
| US6278972B1 (en) * | 1999-01-04 | 2001-08-21 | Qualcomm Incorporated | System and method for segmentation and recognition of speech signals |
| US6278982B1 (en) * | 1999-04-21 | 2001-08-21 | Lava Trading Inc. | Securities trading system for consolidation of trading on multiple ECNS and electronic exchanges |
| US6549147B1 (en) * | 1999-05-21 | 2003-04-15 | Nippon Telegraph And Telephone Corporation | Methods, apparatuses and recorded medium for reversible encoding and decoding |
| JP4438127B2 (ja) * | 1999-06-18 | 2010-03-24 | ソニー株式会社 | 音声符号化装置及び方法、音声復号装置及び方法、並びに記録媒体 |
| KR20010080476A (ko) * | 1999-09-20 | 2001-08-22 | 요트.게.아. 롤페즈 | 오디오 신호를 정정하기 위한 처리 회로, 수신기, 통신시스템, 이동 장치 및 이에 관련된 방법 |
| US7054809B1 (en) * | 1999-09-22 | 2006-05-30 | Mindspeed Technologies, Inc. | Rate selection method for selectable mode vocoder |
| US6697776B1 (en) * | 2000-07-31 | 2004-02-24 | Mindspeed Technologies, Inc. | Dynamic signal detector system and method |
| US6373411B1 (en) * | 2000-08-31 | 2002-04-16 | Agere Systems Guardian Corp. | Method and apparatus for performing variable-size vector entropy coding |
| US6760698B2 (en) * | 2000-09-15 | 2004-07-06 | Mindspeed Technologies Inc. | System for coding speech information using an adaptive codebook with enhanced variable resolution scheme |
| JP3557164B2 (ja) * | 2000-09-18 | 2004-08-25 | 日本電信電話株式会社 | オーディオ信号符号化方法及びその方法を実行するプログラム記憶媒体 |
| SE0004163D0 (sv) * | 2000-11-14 | 2000-11-14 | Coding Technologies Sweden Ab | Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering |
| US6862558B2 (en) * | 2001-02-14 | 2005-03-01 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Empirical mode decomposition for analyzing acoustical signals |
| US6996522B2 (en) * | 2001-03-13 | 2006-02-07 | Industrial Technology Research Institute | Celp-Based speech coding for fine grain scalability by altering sub-frame pitch-pulse |
| CN1274153C (zh) * | 2001-04-18 | 2006-09-06 | 皇家菲利浦电子有限公司 | 部分加密的声频编码 |
| US6820054B2 (en) * | 2001-05-07 | 2004-11-16 | Intel Corporation | Audio signal processing for speech communication |
| US6658383B2 (en) * | 2001-06-26 | 2003-12-02 | Microsoft Corporation | Method for coding speech and music signals |
| KR100434275B1 (ko) * | 2001-07-23 | 2004-06-05 | 엘지전자 주식회사 | 패킷 변환 장치 및 그를 이용한 패킷 변환 방법 |
| KR100460109B1 (ko) * | 2001-09-19 | 2004-12-03 | 엘지전자 주식회사 | 음성패킷 변환을 위한 lsp 파라미터 변환장치 및 방법 |
| US6785645B2 (en) * | 2001-11-29 | 2004-08-31 | Microsoft Corporation | Real-time speech and music classifier |
| RU2319223C2 (ru) * | 2001-11-30 | 2008-03-10 | Конинклейке Филипс Электроникс Н.В. | Кодирование сигнала |
| TW564400B (en) * | 2001-12-25 | 2003-12-01 | Univ Nat Cheng Kung | Speech coding/decoding method and speech coder/decoder |
| US6647366B2 (en) * | 2001-12-28 | 2003-11-11 | Microsoft Corporation | Rate control strategies for speech and music coding |
| US20030135374A1 (en) * | 2002-01-16 | 2003-07-17 | Hardwick John C. | Speech synthesizer |
| EP1527441B1 (en) * | 2002-07-16 | 2017-09-06 | Koninklijke Philips N.V. | Audio coding |
| US7970606B2 (en) * | 2002-11-13 | 2011-06-28 | Digital Voice Systems, Inc. | Interoperable vocoder |
| KR100604032B1 (ko) * | 2003-01-08 | 2006-07-24 | 엘지전자 주식회사 | 복수 코덱을 지원하는 장치와 방법 |
| KR100621076B1 (ko) * | 2003-05-02 | 2006-09-08 | 삼성전자주식회사 | 마이크로폰 어레이 방법 및 시스템 및 이를 이용한 음성인식 방법 및 장치 |
| WO2004107318A1 (en) * | 2003-05-27 | 2004-12-09 | Koninklijke Philips Electronics N.V. | Audio coding |
| US20050159942A1 (en) * | 2004-01-15 | 2005-07-21 | Manoj Singhal | Classification of speech and music using linear predictive coding coefficients |
| CA2457988A1 (en) * | 2004-02-18 | 2005-08-18 | Voiceage Corporation | Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization |
| FI118834B (fi) * | 2004-02-23 | 2008-03-31 | Nokia Corp | Audiosignaalien luokittelu |
| FI118835B (fi) * | 2004-02-23 | 2008-03-31 | Nokia Corp | Koodausmallin valinta |
| BRPI0509113B8 (pt) * | 2004-04-05 | 2018-10-30 | Koninklijke Philips Nv | codificador de multicanal, método para codificar sinais de entrada, conteúdo de dados codificados, portador de dados, e, decodificador operável para decodificar dados de saída codificados |
| US20070223660A1 (en) * | 2004-04-09 | 2007-09-27 | Hiroaki Dei | Audio Communication Method And Device |
| GB0408856D0 (en) * | 2004-04-21 | 2004-05-26 | Nokia Corp | Signal encoding |
| ATE371926T1 (de) * | 2004-05-17 | 2007-09-15 | Nokia Corp | Audiocodierung mit verschiedenen codierungsmodellen |
| JP2007538282A (ja) * | 2004-05-17 | 2007-12-27 | ノキア コーポレイション | 各種の符号化フレーム長でのオーディオ符号化 |
| US7739120B2 (en) * | 2004-05-17 | 2010-06-15 | Nokia Corporation | Selection of coding models for encoding an audio signal |
| US7596486B2 (en) * | 2004-05-19 | 2009-09-29 | Nokia Corporation | Encoding an audio signal using different audio coder modes |
| US7873515B2 (en) * | 2004-11-23 | 2011-01-18 | Stmicroelectronics Asia Pacific Pte. Ltd. | System and method for error reconstruction of streaming audio information |
| KR100657916B1 (ko) * | 2004-12-01 | 2006-12-14 | 삼성전자주식회사 | 주파수 대역간의 유사도를 이용한 오디오 신호 처리 장치및 방법 |
| US7196641B2 (en) * | 2005-04-26 | 2007-03-27 | Gen Dow Huang | System and method for audio data compression and decompression using discrete wavelet transform (DWT) |
-
2007
- 2007-01-18 KR KR1020087016358A patent/KR20080097178A/ko not_active Ceased
- 2007-01-18 CA CA002636493A patent/CA2636493A1/en not_active Abandoned
- 2007-01-18 TW TW096102002A patent/TW200737738A/zh unknown
- 2007-01-18 JP JP2008551188A patent/JP2009524100A/ja active Pending
- 2007-01-18 BR BRPI0707135-3A patent/BRPI0707135A2/pt not_active IP Right Cessation
- 2007-01-18 WO PCT/KR2007/000304 patent/WO2007083933A1/en not_active Ceased
- 2007-01-18 TW TW096102004A patent/TWI318397B/zh not_active IP Right Cessation
- 2007-01-18 JP JP2008551189A patent/JP2009524101A/ja active Pending
- 2007-01-18 EP EP07708513A patent/EP1984911A4/en not_active Withdrawn
- 2007-01-18 AU AU2007206167A patent/AU2007206167B8/en active Active
- 2007-01-18 US US12/161,162 patent/US20110057818A1/en not_active Abandoned
- 2007-01-18 KR KR1020087016357A patent/KR20080101873A/ko not_active Withdrawn
- 2007-01-18 WO PCT/KR2007/000305 patent/WO2007083934A1/en not_active Ceased
- 2007-01-18 KR KR1020087016356A patent/KR20080101872A/ko not_active Withdrawn
- 2007-01-18 EP EP07708512A patent/EP1989703A4/en not_active Withdrawn
- 2007-01-18 EP EP07708510A patent/EP1989702A4/en not_active Withdrawn
- 2007-01-18 JP JP2008551187A patent/JP2009524099A/ja active Pending
- 2007-01-18 MX MX2008009088A patent/MX2008009088A/es active IP Right Grant
- 2007-01-18 WO PCT/KR2007/000302 patent/WO2007083931A1/en not_active Ceased
- 2007-01-18 TW TW096102003A patent/TWI333643B/zh not_active IP Right Cessation
- 2007-01-18 US US12/161,163 patent/US20090222261A1/en not_active Abandoned
- 2007-01-18 US US12/161,165 patent/US20090281812A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009524100A (ja) | 2009-06-25 |
| KR20080101873A (ko) | 2008-11-21 |
| JP2009524099A (ja) | 2009-06-25 |
| TWI318397B (en) | 2009-12-11 |
| CA2636493A1 (en) | 2007-07-26 |
| MX2008009088A (es) | 2009-01-27 |
| JP2009524101A (ja) | 2009-06-25 |
| KR20080097178A (ko) | 2008-11-04 |
| TW200746052A (en) | 2007-12-16 |
| TW200746051A (en) | 2007-12-16 |
| TWI333643B (en) | 2010-11-21 |
| EP1989702A4 (en) | 2012-03-14 |
| WO2007083934A1 (en) | 2007-07-26 |
| EP1984911A4 (en) | 2012-03-14 |
| BRPI0707135A2 (pt) | 2011-04-19 |
| EP1989703A4 (en) | 2012-03-14 |
| AU2007206167B2 (en) | 2010-06-10 |
| EP1984911A1 (en) | 2008-10-29 |
| US20090281812A1 (en) | 2009-11-12 |
| WO2007083933A1 (en) | 2007-07-26 |
| EP1989703A1 (en) | 2008-11-12 |
| AU2007206167A1 (en) | 2007-07-26 |
| US20110057818A1 (en) | 2011-03-10 |
| EP1989702A1 (en) | 2008-11-12 |
| US20090222261A1 (en) | 2009-09-03 |
| KR20080101872A (ko) | 2008-11-21 |
| WO2007083931A1 (en) | 2007-07-26 |
| AU2007206167B8 (en) | 2010-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW200737738A (en) | Apparatus and method for encoding and decoding signal | |
| WO2010008185A3 (en) | Method and apparatus to encode and decode an audio/speech signal | |
| BRPI0608945B8 (pt) | codificador de áudio de multi-canal, decodificador de áudio de multi-canal, método de codificar n sinais de áudio em m sinais de áudio e dados paramétricos associados, método de decodificar k sinais de áudio e dados paramétricos associados, método de transmitir e receber um sinal de áudio de multi-canal codificado, mídia de armazenamento legível por computador, e, sistema de transmissão | |
| SE0400998D0 (sv) | Method for representing multi-channel audio signals | |
| CN101609680B (zh) | 压缩编码和解码的方法、编码器和解码器以及编码装置 | |
| CA2645911A1 (en) | Method for encoding and decoding object-based audio signal and apparatus thereof | |
| TW200738040A (en) | Method and apparatus for processing a audio signal | |
| MX2011008685A (es) | Codificador, decodificador y metodo para los mismos. | |
| MX2009013519A (es) | Codificador de audio para codificar una señal de audio que tiene una porcion similar a un impulso y una porcion estacionaria, metodos de codificacion, decodificador, metodo de decodificacion, y señal de audio codificada. | |
| WO2008110870A3 (en) | Speech coding system and method | |
| WO2008071353A3 (en) | Encoder, decoder and methods for encoding and decoding data segments representing a time-domain data stream | |
| MX2011011399A (es) | Aparato para suministrar uno o más parámetros ajustados para un suministro de una representación de señal de mezcla ascendente sobre la base de una representación de señal de mezcla descendete, decodificador de señal de audio, transcodificador de señal de audio, codificador de señal de audio, flujo de bits de audio, método y programa de computación que utiliza información paramétrica relacionada con el objeto. | |
| TW200802307A (en) | Apparatus and method for encoding / decoding signal | |
| MX2010004220A (es) | Codificacion de audio usando mezcla descendente. | |
| EP1818911A4 (en) | TONE CODING DEVICE AND TONE CODING METHOD | |
| ECSP12012006A (es) | Decodificación mejorada de flujos de bits codificados de audio multicanales utilizando transformación híbrida adaptativa | |
| MY183707A (en) | Selective post filter | |
| WO2010008175A3 (ko) | 음성/오디오 통합 신호의 부호화/복호화 장치 | |
| EP2453437A3 (en) | Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream | |
| EP1913577A4 (en) | DEVICE FOR CODING AND DECODING AN AUDIO SIGNAL AND METHOD THEREFOR | |
| WO2011059254A3 (en) | An apparatus for processing a signal and method thereof | |
| WO2009096715A3 (ko) | 오디오 신호의 부호화, 복호화 방법 및 장치 | |
| WO2006109251A3 (en) | Voice conversion | |
| RU2011141451A (ru) | Встраивание и извлечение служебных данных | |
| RU2008133599A (ru) | Устройство и способ для кодирования и декодирования сигнала |