TW200923913A - Encoding and/or decoding digital content - Google Patents
Encoding and/or decoding digital content Download PDFInfo
- Publication number
- TW200923913A TW200923913A TW097131504A TW97131504A TW200923913A TW 200923913 A TW200923913 A TW 200923913A TW 097131504 A TW097131504 A TW 097131504A TW 97131504 A TW97131504 A TW 97131504A TW 200923913 A TW200923913 A TW 200923913A
- Authority
- TW
- Taiwan
- Prior art keywords
- values
- value
- digital signal
- audio
- signal samples
- Prior art date
Links
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/035—Scalar quantisation
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/840,880 US8521540B2 (en) | 2007-08-17 | 2007-08-17 | Encoding and/or decoding digital signals using a permutation value |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW200923913A true TW200923913A (en) | 2009-06-01 |
Family
ID=40363656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW097131504A TW200923913A (en) | 2007-08-17 | 2008-08-18 | Encoding and/or decoding digital content |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8521540B2 (enExample) |
| EP (1) | EP2191381B1 (enExample) |
| JP (1) | JP5265682B2 (enExample) |
| KR (1) | KR20100083126A (enExample) |
| CN (1) | CN101815992B (enExample) |
| TW (1) | TW200923913A (enExample) |
| WO (1) | WO2009025676A1 (enExample) |
Families Citing this family (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8840475B2 (en) * | 2002-12-10 | 2014-09-23 | Ol2, Inc. | Method for user session transitioning among streaming interactive video servers |
| EP1999883A4 (en) | 2006-03-14 | 2013-03-06 | Divx Llc | SCHEME FOR THE MANAGEMENT OF UNITED DIGITAL RIGHTS, INCLUDING TRUSTWORTHY SYSTEMS |
| JP5130809B2 (ja) * | 2007-07-13 | 2013-01-30 | ヤマハ株式会社 | 楽曲を制作するための装置およびプログラム |
| US7724159B2 (en) * | 2007-08-17 | 2010-05-25 | Qualcomm Incorporated | System, method, and/or apparatus for digital signal sorting |
| US8997161B2 (en) * | 2008-01-02 | 2015-03-31 | Sonic Ip, Inc. | Application enhancement tracks |
| US8447591B2 (en) * | 2008-05-30 | 2013-05-21 | Microsoft Corporation | Factorization of overlapping tranforms into two block transforms |
| US20100017196A1 (en) * | 2008-07-18 | 2010-01-21 | Qualcomm Incorporated | Method, system, and apparatus for compression or decompression of digital signals |
| KR101635876B1 (ko) | 2009-01-07 | 2016-07-04 | 쏘닉 아이피, 아이엔씨. | 온라인 콘텐츠를 위한 미디어 가이드의 단일, 공동 및 자동 생성 |
| US9245529B2 (en) * | 2009-06-18 | 2016-01-26 | Texas Instruments Incorporated | Adaptive encoding of a digital signal with one or more missing values |
| BR112012009446B1 (pt) | 2009-10-20 | 2023-03-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V | Método e aparelho de armazenamento de dados |
| CA2782825C (en) | 2009-12-04 | 2016-04-26 | Divx, Llc | Elementary bitstream cryptographic material transport systems and methods |
| BR112012017256B1 (pt) | 2010-01-12 | 2021-08-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V | Codificador de áudio, decodificador de áudio, método de codificação e informação de áudio e método de decodificação de uma informação de áudio que utiliza uma tabela hash que descreve tanto valores de estado significativos como limites de intervalo |
| US8280729B2 (en) * | 2010-01-22 | 2012-10-02 | Research In Motion Limited | System and method for encoding and decoding pulse indices |
| WO2011097903A1 (zh) * | 2010-02-11 | 2011-08-18 | 华为技术有限公司 | 多声道信号编码、解码方法、装置及编解码系统 |
| BR122019013299B1 (pt) | 2010-04-09 | 2021-01-05 | Dolby International Ab | aparelho e método para emitir um sinal de áudio esterofônico possuindo um canal esquerdo e um canal direito e meio legível por computador não transitório |
| US9247312B2 (en) | 2011-01-05 | 2016-01-26 | Sonic Ip, Inc. | Systems and methods for encoding source media in matroska container files for adaptive bitrate streaming using hypertext transfer protocol |
| CN102611883B (zh) * | 2011-01-19 | 2014-07-30 | 华为技术有限公司 | 编码方法、解码方法及装置 |
| US9467708B2 (en) | 2011-08-30 | 2016-10-11 | Sonic Ip, Inc. | Selection of resolutions for seamless resolution switching of multimedia content |
| US8964977B2 (en) | 2011-09-01 | 2015-02-24 | Sonic Ip, Inc. | Systems and methods for saving encoded media streamed using adaptive bitrate streaming |
| US8909922B2 (en) | 2011-09-01 | 2014-12-09 | Sonic Ip, Inc. | Systems and methods for playing back alternative streams of protected content protected using common cryptographic information |
| WO2013123632A1 (en) * | 2012-02-20 | 2013-08-29 | Thomson Licensing | Component sorting based encoding for 3d mesh compression |
| US9197685B2 (en) | 2012-06-28 | 2015-11-24 | Sonic Ip, Inc. | Systems and methods for fast video startup using trick play streams |
| US9143812B2 (en) | 2012-06-29 | 2015-09-22 | Sonic Ip, Inc. | Adaptive streaming of multimedia |
| EP2875417B1 (en) | 2012-07-18 | 2020-01-01 | Verimatrix, Inc. | Systems and methods for rapid content switching to provide a linear tv experience using streaming content distribution |
| US9129600B2 (en) * | 2012-09-26 | 2015-09-08 | Google Technology Holdings LLC | Method and apparatus for encoding an audio signal |
| US8914836B2 (en) * | 2012-09-28 | 2014-12-16 | Sonic Ip, Inc. | Systems, methods, and computer program products for load adaptive streaming |
| US9577618B2 (en) * | 2012-12-20 | 2017-02-21 | Advanced Micro Devices, Inc. | Reducing power needed to send signals over wires |
| US9313510B2 (en) | 2012-12-31 | 2016-04-12 | Sonic Ip, Inc. | Use of objective quality measures of streamed content to reduce streaming bandwidth |
| US9264475B2 (en) | 2012-12-31 | 2016-02-16 | Sonic Ip, Inc. | Use of objective quality measures of streamed content to reduce streaming bandwidth |
| US9191457B2 (en) | 2012-12-31 | 2015-11-17 | Sonic Ip, Inc. | Systems, methods, and media for controlling delivery of content |
| US9906785B2 (en) | 2013-03-15 | 2018-02-27 | Sonic Ip, Inc. | Systems, methods, and media for transcoding video data according to encoding parameters indicated by received metadata |
| US10397292B2 (en) | 2013-03-15 | 2019-08-27 | Divx, Llc | Systems, methods, and media for delivery of content |
| US9344517B2 (en) | 2013-03-28 | 2016-05-17 | Sonic Ip, Inc. | Downloading and adaptive streaming of multimedia content to a device with cache assist |
| US9094737B2 (en) | 2013-05-30 | 2015-07-28 | Sonic Ip, Inc. | Network video streaming with trick play based on separate trick play files |
| US9247317B2 (en) | 2013-05-30 | 2016-01-26 | Sonic Ip, Inc. | Content streaming with client device trick play index |
| US9967305B2 (en) | 2013-06-28 | 2018-05-08 | Divx, Llc | Systems, methods, and media for streaming media content |
| CN106030703B (zh) * | 2013-12-17 | 2020-02-04 | 诺基亚技术有限公司 | 音频信号编码器 |
| TWI523444B (zh) | 2014-03-19 | 2016-02-21 | 宏碁股份有限公司 | 聲音發送裝置、接收裝置與利用聲音訊號傳遞資料的方法 |
| CN104954077B (zh) * | 2014-03-26 | 2017-08-04 | 宏碁股份有限公司 | 声音发送装置、接收装置与利用声音信号传递数据的方法 |
| US9866878B2 (en) | 2014-04-05 | 2018-01-09 | Sonic Ip, Inc. | Systems and methods for encoding and playing back video at different frame rates using enhancement layers |
| US9794712B2 (en) | 2014-04-25 | 2017-10-17 | Dolby Laboratories Licensing Corporation | Matrix decomposition for rendering adaptive audio using high definition audio codecs |
| CN105491255A (zh) * | 2014-09-18 | 2016-04-13 | 广东世纪网通信设备有限公司 | 一种降低语音传输负载的方法及系统 |
| US9705526B1 (en) * | 2016-03-17 | 2017-07-11 | Intel Corporation | Entropy encoding and decoding of media applications |
| US10075292B2 (en) | 2016-03-30 | 2018-09-11 | Divx, Llc | Systems and methods for quick start-up of playback |
| US10498795B2 (en) | 2017-02-17 | 2019-12-03 | Divx, Llc | Systems and methods for adaptive switching between multiple content delivery networks during adaptive bitrate streaming |
| EP3616196A4 (en) | 2017-04-28 | 2021-01-20 | DTS, Inc. | Audio coder window and transform implementations |
| US11138152B2 (en) | 2017-10-11 | 2021-10-05 | Lognovations Holdings, Llc | Method and system for content agnostic file indexing |
| US10963429B2 (en) | 2017-10-11 | 2021-03-30 | Lognovations Holdings, Llc | Method and system for content agnostic file indexing |
| TWI863996B (zh) * | 2019-05-24 | 2024-12-01 | 瑞典商埃迪爾都公司 | 用於無損資料壓縮和解壓縮的方法、裝置、和電腦程式產品 |
| CN112598139B (zh) * | 2020-12-22 | 2023-08-18 | 百度在线网络技术（北京）有限公司 | 类别编码方法、装置、设备、存储介质及程序产品 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3270212D1 (en) * | 1982-04-30 | 1986-05-07 | Ibm | Digital coding method and device for carrying out the method |
| NL8700985A (nl) * | 1987-04-27 | 1988-11-16 | Philips Nv | Systeem voor sub-band codering van een digitaal audiosignaal. |
| US5379351A (en) * | 1992-02-19 | 1995-01-03 | Integrated Information Technology, Inc. | Video compression/decompression processing and processors |
| US5559900A (en) * | 1991-03-12 | 1996-09-24 | Lucent Technologies Inc. | Compression of signals for perceptual quality by selecting frequency bands having relatively high energy |
| BR9609799A (pt) * | 1995-04-10 | 1999-03-23 | Corporate Computer System Inc | Sistema para compressão e descompressão de sinais de áudio para transmissão digital |
| TW316302B (enExample) * | 1995-05-02 | 1997-09-21 | Nippon Steel Corp | |
| US5956674A (en) * | 1995-12-01 | 1999-09-21 | Digital Theater Systems, Inc. | Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels |
| JP4242516B2 (ja) * | 1999-07-26 | 2009-03-25 | パナソニック株式会社 | サブバンド符号化方式 |
| US6601032B1 (en) * | 2000-06-14 | 2003-07-29 | Intervideo, Inc. | Fast code length search method for MPEG audio encoding |
| EP1292036B1 (en) * | 2001-08-23 | 2012-08-01 | Nippon Telegraph And Telephone Corporation | Digital signal decoding methods and apparatuses |
| EP1304885A3 (de) | 2001-09-14 | 2005-04-20 | Siemens Aktiengesellschaft | Verfahren und Computerprogrammprodukt zur Codierung und Decodierung von Videosignalen |
| US7027982B2 (en) * | 2001-12-14 | 2006-04-11 | Microsoft Corporation | Quality and rate control strategy for digital audio |
| US6934677B2 (en) * | 2001-12-14 | 2005-08-23 | Microsoft Corporation | Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands |
| DE60306512T2 (de) * | 2002-04-22 | 2007-06-21 | Koninklijke Philips Electronics N.V. | Parametrische beschreibung von mehrkanal-audio |
| EP1662667B1 (en) * | 2003-09-02 | 2015-11-11 | Nippon Telegraph And Telephone Corporation | Floating point signal reversible encoding method, decoding method, device thereof, program, and recording medium thereof |
| US7936938B2 (en) * | 2004-09-07 | 2011-05-03 | Canon Kabushiki Kaisha | Methods and devices for encoding a digital image signal and associated decoding methods and devices |
| US7830921B2 (en) * | 2005-07-11 | 2010-11-09 | Lg Electronics Inc. | Apparatus and method of encoding and decoding audio signal |
| DE102007017254B4 (de) | 2006-11-16 | 2009-06-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung zum Kodieren und Dekodieren |
-
2007
- 2007-08-17 US US11/840,880 patent/US8521540B2/en not_active Expired - Fee Related
- 2007-11-08 JP JP2010521833A patent/JP5265682B2/ja not_active Expired - Fee Related
- 2007-11-08 KR KR1020107005869A patent/KR20100083126A/ko not_active Ceased
- 2007-11-08 WO PCT/US2007/084187 patent/WO2009025676A1/en not_active Ceased
- 2007-11-08 CN CN2007801002708A patent/CN101815992B/zh not_active Expired - Fee Related
- 2007-11-08 EP EP07864169A patent/EP2191381B1/en not_active Not-in-force
-
2008
- 2008-08-18 TW TW097131504A patent/TW200923913A/zh unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US8521540B2 (en) | 2013-08-27 |
| US20090048852A1 (en) | 2009-02-19 |
| CN101815992A (zh) | 2010-08-25 |
| KR20100083126A (ko) | 2010-07-21 |
| EP2191381A1 (en) | 2010-06-02 |
| JP2010537245A (ja) | 2010-12-02 |
| CN101815992B (zh) | 2013-12-25 |
| EP2191381B1 (en) | 2013-01-02 |
| WO2009025676A1 (en) | 2009-02-26 |
| JP5265682B2 (ja) | 2013-08-14 |
| EP2191381A4 (en) | 2010-09-15 |
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