CA2482427C - Apparatus and method for coding a time-discrete audio signal and apparatus and method for decoding coded audio data - Google Patents
Apparatus and method for coding a time-discrete audio signal and apparatus and method for decoding coded audio data Download PDFInfo
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- CA2482427C CA2482427C CA002482427A CA2482427A CA2482427C CA 2482427 C CA2482427 C CA 2482427C CA 002482427 A CA002482427 A CA 002482427A CA 2482427 A CA2482427 A CA 2482427A CA 2482427 C CA2482427 C CA 2482427C
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- 238000000034 method Methods 0.000 title claims abstract description 30
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- 238000013139 quantization Methods 0.000 claims abstract description 111
- 238000012545 processing Methods 0.000 claims description 36
- 239000011159 matrix material Substances 0.000 claims description 19
- 230000002123 temporal effect Effects 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000004590 computer program Methods 0.000 claims description 4
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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
- G10L19/02—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
- G10L19/0212—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 orthogonal transformation
-
- 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
-
- 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- 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
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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10217297.8 | 2002-04-18 | ||
| DE10217297A DE10217297A1 (de) | 2002-04-18 | 2002-04-18 | Vorrichtung und Verfahren zum Codieren eines zeitdiskreten Audiosignals und Vorrichtung und Verfahren zum Decodieren von codierten Audiodaten |
| PCT/EP2002/013623 WO2003088212A1 (de) | 2002-04-18 | 2002-12-02 | Vorrichtung und verfahren zum codieren eines zeitdiskreten audiosignals und vorrichtung und verfahren zum decodieren von codierten audiodaten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2482427A1 CA2482427A1 (en) | 2003-10-23 |
| CA2482427C true CA2482427C (en) | 2010-01-19 |
Family
ID=28798541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002482427A Expired - Lifetime CA2482427C (en) | 2002-04-18 | 2002-12-02 | Apparatus and method for coding a time-discrete audio signal and apparatus and method for decoding coded audio data |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP1495464B1 (ko) |
| JP (1) | JP4081447B2 (ko) |
| KR (1) | KR100892152B1 (ko) |
| CN (1) | CN1258172C (ko) |
| AT (1) | ATE305655T1 (ko) |
| CA (1) | CA2482427C (ko) |
| DE (2) | DE10217297A1 (ko) |
| HK (1) | HK1077391A1 (ko) |
| WO (1) | WO2003088212A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11817111B2 (en) | 2018-04-11 | 2023-11-14 | Dolby Laboratories Licensing Corporation | Perceptually-based loss functions for audio encoding and decoding based on machine learning |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070276894A1 (en) * | 2003-09-29 | 2007-11-29 | Agency For Science, Technology And Research | Process And Device For Determining A Transforming Element For A Given Transformation Function, Method And Device For Transforming A Digital Signal From The Time Domain Into The Frequency Domain And Vice Versa And Computer Readable Medium |
| KR101141247B1 (ko) * | 2003-10-10 | 2012-05-04 | 에이전시 포 사이언스, 테크놀로지 앤드 리서치 | 디지털 신호를 확장성 비트스트림으로 인코딩하는 방법；확장성 비트스트림을 디코딩하는 방법 |
| DE102004007200B3 (de) * | 2004-02-13 | 2005-08-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiocodierung |
| DE102004007184B3 (de) * | 2004-02-13 | 2005-09-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren und Vorrichtung zum Quantisieren eines Informationssignals |
| DE102004059979B4 (de) | 2004-12-13 | 2007-11-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Berechnung einer Signalenergie eines Informationssignals |
| US8494667B2 (en) | 2005-06-30 | 2013-07-23 | Lg Electronics Inc. | Apparatus for encoding and decoding audio signal and method thereof |
| ATE455348T1 (de) | 2005-08-30 | 2010-01-15 | Lg Electronics Inc | Vorrichtung und verfahren zur dekodierung eines audiosignals |
| KR100878833B1 (ko) | 2005-10-05 | 2009-01-14 | 엘지전자 주식회사 | 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치 |
| US7653533B2 (en) | 2005-10-24 | 2010-01-26 | Lg Electronics Inc. | Removing time delays in signal paths |
| EP1852849A1 (en) | 2006-05-05 | 2007-11-07 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream |
| EP1883067A1 (en) * | 2006-07-24 | 2008-01-30 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream |
| EP1903559A1 (en) | 2006-09-20 | 2008-03-26 | Deutsche Thomson-Brandt Gmbh | Method and device for transcoding audio signals |
| DE102006051673A1 (de) * | 2006-11-02 | 2008-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Nachbearbeiten von Spektralwerten und Encodierer und Decodierer für Audiosignale |
| 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 |
| KR101149448B1 (ko) * | 2007-02-12 | 2012-05-25 | 삼성전자주식회사 | 오디오 부호화 및 복호화 장치와 그 방법 |
| EP2015293A1 (en) * | 2007-06-14 | 2009-01-14 | Deutsche Thomson OHG | Method and apparatus for encoding and decoding an audio signal using adaptively switched temporal resolution in the spectral domain |
| MX2010001763A (es) * | 2007-08-27 | 2010-03-10 | Ericsson Telefon Ab L M | Analisis/sintesis espectral de baja complejidad utilizando la resolucion temporal seleccionable. |
| EP2063417A1 (en) * | 2007-11-23 | 2009-05-27 | Deutsche Thomson OHG | Rounding noise shaping for integer transform based encoding and decoding |
| 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 |
| CN102177426B (zh) * | 2008-10-08 | 2014-11-05 | 弗兰霍菲尔运输应用研究公司 | 多分辨率切换音频编码/解码方案 |
| CN102918590B (zh) * | 2010-03-31 | 2014-12-10 | 韩国电子通信研究院 | 编码方法和装置、以及解码方法和装置 |
| US20120029926A1 (en) * | 2010-07-30 | 2012-02-02 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for dependent-mode coding of audio signals |
| US9208792B2 (en) | 2010-08-17 | 2015-12-08 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for noise injection |
| JP5799707B2 (ja) * | 2011-09-26 | 2015-10-28 | ソニー株式会社 | オーディオ符号化装置およびオーディオ符号化方法、オーディオ復号装置およびオーディオ復号方法、並びにプログラム |
| EP2830058A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Frequency-domain audio coding supporting transform length switching |
| CN105632503B (zh) * | 2014-10-28 | 2019-09-03 | 南宁富桂精密工业有限公司 | 信息隐藏方法及系统 |
| US10354667B2 (en) * | 2017-03-22 | 2019-07-16 | Immersion Networks, Inc. | System and method for processing audio data |
| EP3471271A1 (en) * | 2017-10-16 | 2019-04-17 | Acoustical Beauty | Improved convolutions of digital signals using a bit requirement optimization of a target digital signal |
| 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 |
| 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 |
| CN107911122A (zh) * | 2017-11-13 | 2018-04-13 | 南京大学 | 基于分解压缩的分布式光纤振动传感数据无损压缩方法 |
| US11281312B2 (en) | 2018-01-08 | 2022-03-22 | Immersion Networks, Inc. | Methods and apparatuses for producing smooth representations of input motion in time and space |
| DE102019204527B4 (de) * | 2019-03-29 | 2020-11-19 | Technische Universität München | Kodierungs-/dekodierungsvorrichtungen und verfahren zur kodierung/dekodierung von vibrotaktilen signalen |
| KR102250835B1 (ko) * | 2019-08-05 | 2021-05-11 | 국방과학연구소 | 수동 소나의 협대역 신호를 탐지하기 위한 lofar 또는 demon 그램의 압축 장치 |
| CN118571234A (zh) * | 2023-02-28 | 2024-08-30 | 华为技术有限公司 | 音频编解码方法及相关装置 |
-
2002
- 2002-04-18 DE DE10217297A patent/DE10217297A1/de not_active Withdrawn
- 2002-12-02 JP JP2003585070A patent/JP4081447B2/ja not_active Expired - Lifetime
- 2002-12-02 DE DE50204426T patent/DE50204426D1/de not_active Expired - Lifetime
- 2002-12-02 AT AT02792858T patent/ATE305655T1/de active
- 2002-12-02 CN CNB028289749A patent/CN1258172C/zh not_active Expired - Lifetime
- 2002-12-02 KR KR1020047016744A patent/KR100892152B1/ko active IP Right Grant
- 2002-12-02 EP EP02792858A patent/EP1495464B1/de not_active Expired - Lifetime
- 2002-12-02 CA CA002482427A patent/CA2482427C/en not_active Expired - Lifetime
- 2002-12-02 WO PCT/EP2002/013623 patent/WO2003088212A1/de active IP Right Grant
-
2005
- 2005-10-20 HK HK05109316A patent/HK1077391A1/xx not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11817111B2 (en) | 2018-04-11 | 2023-11-14 | Dolby Laboratories Licensing Corporation | Perceptually-based loss functions for audio encoding and decoding based on machine learning |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2482427A1 (en) | 2003-10-23 |
| JP2005527851A (ja) | 2005-09-15 |
| DE50204426D1 (de) | 2005-11-03 |
| HK1077391A1 (en) | 2006-02-10 |
| JP4081447B2 (ja) | 2008-04-23 |
| CN1625768A (zh) | 2005-06-08 |
| KR100892152B1 (ko) | 2009-04-10 |
| WO2003088212A1 (de) | 2003-10-23 |
| AU2002358578A1 (en) | 2003-10-27 |
| DE10217297A1 (de) | 2003-11-06 |
| CN1258172C (zh) | 2006-05-31 |
| KR20050007312A (ko) | 2005-01-17 |
| EP1495464A1 (de) | 2005-01-12 |
| EP1495464B1 (de) | 2005-09-28 |
| ATE305655T1 (de) | 2005-10-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20221202 |
|
| MKEX | Expiry |
Effective date: 20221202 |