JP2005242363A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2005242363A5 JP2005242363A5 JP2005052508A JP2005052508A JP2005242363A5 JP 2005242363 A5 JP2005242363 A5 JP 2005242363A5 JP 2005052508 A JP2005052508 A JP 2005052508A JP 2005052508 A JP2005052508 A JP 2005052508A JP 2005242363 A5 JP2005242363 A5 JP 2005242363A5
- Authority
- JP
- Japan
- Prior art keywords
- context
- bit plane
- lossless
- audio
- frequency
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims 19
- 230000005236 sound signal Effects 0.000 claims 13
- 238000013507 mapping Methods 0.000 claims 12
- 238000001228 spectrum Methods 0.000 claims 12
- 238000006243 chemical reaction Methods 0.000 claims 9
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 239000000284 extract Substances 0.000 claims 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2004-013681 | 2004-02-27 | ||
| KR1020040013681A KR20050087956A (ko) | 2004-02-27 | 2004-02-27 | 무손실 오디오 부호화/복호화 방법 및 장치 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012173392A Division JP2012226375A (ja) | 2004-02-27 | 2012-08-03 | 無損失オーディオ復号化方法及び無損失オーディオ復号化装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005242363A JP2005242363A (ja) | 2005-09-08 |
| JP2005242363A5 true JP2005242363A5 (https=) | 2008-04-10 |
| JP5384780B2 JP5384780B2 (ja) | 2014-01-08 |
Family
ID=34747967
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005052508A Expired - Fee Related JP5384780B2 (ja) | 2004-02-27 | 2005-02-28 | 無損失オーディオ符号化方法、無損失オーディオ符号化装置、無損失オーディオ復号化方法、無損失オーディオ復号化装置及び記録媒体 |
| JP2012173392A Ceased JP2012226375A (ja) | 2004-02-27 | 2012-08-03 | 無損失オーディオ復号化方法及び無損失オーディオ復号化装置 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012173392A Ceased JP2012226375A (ja) | 2004-02-27 | 2012-08-03 | 無損失オーディオ復号化方法及び無損失オーディオ復号化装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7617110B2 (https=) |
| EP (1) | EP1569203A3 (https=) |
| JP (2) | JP5384780B2 (https=) |
| KR (1) | KR20050087956A (https=) |
| CN (1) | CN100588124C (https=) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7536305B2 (en) * | 2002-09-04 | 2009-05-19 | Microsoft Corporation | Mixed lossless audio compression |
| KR100561869B1 (ko) * | 2004-03-10 | 2006-03-17 | 삼성전자주식회사 | 무손실 오디오 부호화/복호화 방법 및 장치 |
| MX2007000459A (es) * | 2004-07-14 | 2007-07-25 | Agency Science Tech & Res | Codificacion y descodificacion de senales, basadas en contexto. |
| WO2008035949A1 (en) * | 2006-09-22 | 2008-03-27 | Samsung Electronics Co., Ltd. | Method, medium, and system encoding and/or decoding audio signals by using bandwidth extension and stereo coding |
| US9247260B1 (en) * | 2006-11-01 | 2016-01-26 | Opera Software Ireland Limited | Hybrid bitmap-mode encoding |
| US8086465B2 (en) * | 2007-03-20 | 2011-12-27 | Microsoft Corporation | Transform domain transcoding and decoding of audio data using integer-reversible modulated lapped transforms |
| US7991622B2 (en) * | 2007-03-20 | 2011-08-02 | Microsoft Corporation | Audio compression and decompression using integer-reversible modulated lapped transforms |
| CN101308655B (zh) * | 2007-05-16 | 2011-07-06 | 展讯通信(上海)有限公司 | 一种音频编解码方法与装置 |
| CN100592760C (zh) * | 2007-05-17 | 2010-02-24 | 展讯通信(上海)有限公司 | 拍照时自动检测并矫正红眼的方法 |
| US20090060027A1 (en) * | 2007-08-30 | 2009-03-05 | Tektronix, Inc. | Compressed Signal Subjective Quality Ratings Prediction |
| EP3937167B1 (en) | 2008-07-11 | 2023-05-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and audio decoder |
| EP2211335A1 (en) * | 2009-01-21 | 2010-07-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for obtaining a parameter describing a variation of a signal characteristic of a signal |
| KR20100136890A (ko) | 2009-06-19 | 2010-12-29 | 삼성전자주식회사 | 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법 |
| 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 |
| AU2011206677B9 (en) | 2010-01-12 | 2014-12-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding and decoding an audio information, and computer program obtaining a context sub-region value on the basis of a norm of previously decoded spectral values |
| MY179769A (en) * | 2010-07-20 | 2020-11-13 | Fraunhofer Ges Forschung | Audio encoder, audio decoder,method for encoding and audio information, method for decoding an audio information and computer program using an optimized hash table |
| KR101676477B1 (ko) * | 2010-07-21 | 2016-11-15 | 삼성전자주식회사 | 컨텍스트 기반의 무손실 부호화 장치 및 방법, 그리고 복호화 장치 및 방법 |
| US8699801B2 (en) * | 2010-11-26 | 2014-04-15 | Agfa Healthcare Inc. | Systems and methods for transmitting high dynamic range images |
| CN103649706B (zh) * | 2011-03-16 | 2015-11-25 | Dts(英属维尔京群岛)有限公司 | 三维音频音轨的编码及再现 |
| US9779739B2 (en) | 2014-03-20 | 2017-10-03 | Dts, Inc. | Residual encoding in an object-based audio system |
| WO2019091576A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits |
| EP3483886A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selecting pitch lag |
| EP3483879A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Analysis/synthesis windowing function for modulated lapped transformation |
| EP3483884A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
| EP3483878A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder supporting a set of different loss concealment tools |
| GB2579568B (en) | 2018-12-03 | 2022-04-27 | Advanced Risc Mach Ltd | Encoding data arrays |
| CN109887515B (zh) * | 2019-01-29 | 2021-07-09 | 北京市商汤科技开发有限公司 | 音频处理方法及装置、电子设备和存储介质 |
| CN110265043B (zh) * | 2019-06-03 | 2021-06-01 | 同响科技股份有限公司 | 自适应有损或无损的音频压缩和解压缩演算方法 |
| CN110233626B (zh) * | 2019-07-05 | 2022-10-25 | 重庆邮电大学 | 基于二维自适应量化的机械振动信号边缘数据无损压缩方法 |
| CN113555034B (zh) * | 2021-08-03 | 2024-03-01 | 京东科技信息技术有限公司 | 压缩音频识别方法、装置及存储介质 |
| EP4443879A1 (en) * | 2023-03-24 | 2024-10-09 | Samsung Electronics Co., Ltd. | Image processing device and operating method thereof |
| CN116600135B (zh) * | 2023-06-06 | 2024-02-13 | 广州大学 | 基于无损压缩的溯源图压缩方法及系统 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960015195A (ko) * | 1994-10-31 | 1996-05-22 | 배순훈 | 트리 구조 이원 연산 코딩 장치 |
| KR100335609B1 (ko) * | 1997-11-20 | 2002-10-04 | 삼성전자 주식회사 | 비트율조절이가능한오디오부호화/복호화방법및장치 |
| JP4367880B2 (ja) * | 1999-12-09 | 2009-11-18 | キヤノン株式会社 | 画像処理装置及びその方法並びに記憶媒体 |
| JP3684128B2 (ja) * | 2000-02-18 | 2005-08-17 | キヤノン株式会社 | 算術符号化/復号化方法ならびに算術符号化/復号化装置 |
| JP4086481B2 (ja) * | 2000-06-14 | 2008-05-14 | キヤノン株式会社 | 算術復号化方法及び装置並びに記憶媒体 |
| US6675148B2 (en) * | 2001-01-05 | 2004-01-06 | Digital Voice Systems, Inc. | Lossless audio coder |
| US6856701B2 (en) * | 2001-09-14 | 2005-02-15 | Nokia Corporation | Method and system for context-based adaptive binary arithmetic coding |
| GB2388502A (en) * | 2002-05-10 | 2003-11-12 | Chris Dunn | Compression of frequency domain audio signals |
| BR0215919A (pt) * | 2002-10-24 | 2005-08-23 | Agency Science Tech & Res | Método e dispositivo para processar sìmbolos de bit gerados por uma fonte de dados; meio legìvel por computador; elemento de programa de computador |
-
2004
- 2004-02-27 KR KR1020040013681A patent/KR20050087956A/ko not_active Ceased
-
2005
- 2005-02-24 EP EP05251075A patent/EP1569203A3/en not_active Ceased
- 2005-02-28 JP JP2005052508A patent/JP5384780B2/ja not_active Expired - Fee Related
- 2005-02-28 US US11/066,431 patent/US7617110B2/en not_active Expired - Fee Related
- 2005-02-28 CN CN200510071781A patent/CN100588124C/zh not_active Expired - Fee Related
-
2012
- 2012-08-03 JP JP2012173392A patent/JP2012226375A/ja not_active Ceased
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2005242363A5 (https=) | ||
| JP2005260969A5 (https=) | ||
| JP5384780B2 (ja) | 無損失オーディオ符号化方法、無損失オーディオ符号化装置、無損失オーディオ復号化方法、無損失オーディオ復号化装置及び記録媒体 | |
| JP5372886B2 (ja) | 無損失オーディオ復号化方法および記録媒体 | |
| KR101238239B1 (ko) | 인코더 | |
| TWI671736B (zh) | 對信號的包絡進行寫碼的設備及對其進行解碼的設備 | |
| KR20080059279A (ko) | 오디오 압축 | |
| KR20100086000A (ko) | 오디오 신호 처리 방법 및 장치 | |
| CN101223576A (zh) | 从音频信号提取重要频谱分量的方法和设备以及使用其的低比特率音频信号编码和/或解码方法和设备 | |
| CA2717584A1 (en) | Method and apparatus for processing an audio signal | |
| RU2012141241A (ru) | Аудиокодер, аудиодекодер, способ кодирования и декодирования аудиоинформации и компьютерная программа, определяющая значение поддиапазона контекста на основе нормы ранее декодированных спектральных значений | |
| CN102150202A (zh) | 对音频/语音信号进行编码和解码的方法和设备 | |
| CN101609680A (zh) | 压缩编码和解码的方法、编码器和解码器以及编码装置 | |
| CN101162584A (zh) | 使用带宽扩展技术对音频信号编码和解码的方法和设备 | |
| JP2008519991A (ja) | 音声の符号化及び復号化 | |
| JP5629319B2 (ja) | スペクトル係数コーディングの量子化パラメータを効率的に符号化する装置及び方法 | |
| JP4978539B2 (ja) | 符号化装置、符号化方法及びプログラム。 | |
| JP2009518934A (ja) | オーディオ信号の符号化及び復号化方法、オーディオ信号の符号化及び復号化装置 | |
| JP6400590B2 (ja) | 音響信号符号化装置、音響信号復号装置、端末装置、基地局装置、音響信号符号化方法及び復号方法 | |
| KR101381602B1 (ko) | 계층적 부호화 및 복호화 방법 및 장치 | |
| US20120123788A1 (en) | Coding method, decoding method, and device and program using the methods | |
| KR101676477B1 (ko) | 컨텍스트 기반의 무손실 부호화 장치 및 방법, 그리고 복호화 장치 및 방법 | |
| KR100947065B1 (ko) | 무손실 오디오 부호화/복호화 방법 및 장치 | |
| JP2016035501A (ja) | 音声符号化装置、音声符号化方法、音声符号化用コンピュータプログラム、音声復号装置、音声復号方法及び音声復号用コンピュータプログラム | |
| CN102422541A (zh) | 编码方法、装置与系统、解码方法、装置与系统 |