HK1093813A1 - Device and method for determining an estimated value - Google Patents
Device and method for determining an estimated valueInfo
- Publication number
- HK1093813A1 HK1093813A1 HK07100908.4A HK07100908A HK1093813A1 HK 1093813 A1 HK1093813 A1 HK 1093813A1 HK 07100908 A HK07100908 A HK 07100908A HK 1093813 A1 HK1093813 A1 HK 1093813A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- estimated value
- determining
- frequency band
- signal
- calculates
- Prior art date
Links
- 230000005236 sound signal 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
- G10L19/02—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
- G10L19/02—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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
- G10L19/025—Detection of transients or attacks for time/frequency resolution switching
-
- 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
- G10L19/002—Dynamic bit allocation
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (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)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Radar Systems Or Details Thereof (AREA)
- Control Of Ac Motors In General (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004009949A DE102004009949B4 (de) | 2004-03-01 | 2004-03-01 | Vorrichtung und Verfahren zum Ermitteln eines Schätzwertes |
| PCT/EP2005/001651 WO2005083680A1 (de) | 2004-03-01 | 2005-02-17 | Vorrichtung und verfahren zum ermitteln eines schätzwerts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK1093813A1 true HK1093813A1 (en) | 2007-03-09 |
Family
ID=34894902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK07100908.4A HK1093813A1 (en) | 2004-03-01 | 2007-01-25 | Device and method for determining an estimated value |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US7318028B2 (no) |
| EP (3) | EP2034473B1 (no) |
| JP (1) | JP4673882B2 (no) |
| KR (1) | KR100852482B1 (no) |
| CN (1) | CN1938758B (no) |
| AT (1) | ATE532173T1 (no) |
| AU (1) | AU2005217507B2 (no) |
| BR (1) | BRPI0507815B1 (no) |
| CA (1) | CA2559354C (no) |
| DE (1) | DE102004009949B4 (no) |
| DK (1) | DK1697931T3 (no) |
| ES (3) | ES2376887T3 (no) |
| HK (1) | HK1093813A1 (no) |
| IL (1) | IL176978A (no) |
| NO (1) | NO338917B1 (no) |
| PL (2) | PL2034473T3 (no) |
| PT (2) | PT3544003T (no) |
| RU (1) | RU2337414C2 (no) |
| WO (1) | WO2005083680A1 (no) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2707873B1 (en) | 2011-05-09 | 2015-04-08 | Dolby International AB | Method and encoder for processing a digital stereo audio signal |
| FR2977439A1 (fr) * | 2011-06-28 | 2013-01-04 | France Telecom | Fenetres de ponderation en codage/decodage par transformee avec recouvrement, optimisees en retard. |
| US11232804B2 (en) * | 2017-07-03 | 2022-01-25 | Dolby International Ab | Low complexity dense transient events detection and coding |
| 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 |
| EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
| EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
| 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 |
| EP3483884A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| EP3483883A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
| WO2019091573A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters |
| 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 |
| CN111405419B (zh) * | 2020-03-26 | 2022-02-15 | 海信视像科技股份有限公司 | 音频信号处理方法、装置及可读存储介质 |
| CN116707557B (zh) * | 2022-12-20 | 2024-05-03 | 荣耀终端有限公司 | 信道选择方法、接收机及存储介质 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0446037B1 (en) * | 1990-03-09 | 1997-10-08 | AT&T Corp. | Hybrid perceptual audio coding |
| EP0559348A3 (en) * | 1992-03-02 | 1993-11-03 | AT&T Corp. | Rate control loop processor for perceptual encoder/decoder |
| US5285498A (en) * | 1992-03-02 | 1994-02-08 | At&T Bell Laboratories | Method and apparatus for coding audio signals based on perceptual model |
| CA2090052C (en) * | 1992-03-02 | 1998-11-24 | Anibal Joao De Sousa Ferreira | Method and apparatus for the perceptual coding of audio signals |
| DE69334139T2 (de) * | 1992-06-24 | 2008-01-10 | British Telecommunications P.L.C. | Testen von Nachrichtenübertragungsgerät |
| JP2927660B2 (ja) * | 1993-01-25 | 1999-07-28 | シャープ株式会社 | 樹脂封止型半導体装置の製造方法 |
| US5632003A (en) * | 1993-07-16 | 1997-05-20 | Dolby Laboratories Licensing Corporation | Computationally efficient adaptive bit allocation for coding method and apparatus |
| US5623577A (en) * | 1993-07-16 | 1997-04-22 | Dolby Laboratories Licensing Corporation | Computationally efficient adaptive bit allocation for encoding method and apparatus with allowance for decoder spectral distortions |
| 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 |
| DE19736669C1 (de) * | 1997-08-22 | 1998-10-22 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Erfassen eines Anschlags in einem zeitdiskreten Audiosignal sowie Vorrichtung und Verfahren zum Codieren eines Audiosignals |
| DE19747132C2 (de) * | 1997-10-24 | 2002-11-28 | Fraunhofer Ges Forschung | Verfahren und Vorrichtungen zum Codieren von Audiosignalen sowie Verfahren und Vorrichtungen zum Decodieren eines Bitstroms |
| AU3372199A (en) * | 1998-03-30 | 1999-10-18 | Voxware, Inc. | Low-complexity, low-delay, scalable and embedded speech and audio coding with adaptive frame loss concealment |
| US6418408B1 (en) * | 1999-04-05 | 2002-07-09 | Hughes Electronics Corporation | Frequency domain interpolative speech codec system |
| JP3762579B2 (ja) * | 1999-08-05 | 2006-04-05 | 株式会社リコー | デジタル音響信号符号化装置、デジタル音響信号符号化方法及びデジタル音響信号符号化プログラムを記録した媒体 |
| JP2001166797A (ja) * | 1999-12-07 | 2001-06-22 | Nippon Hoso Kyokai <Nhk> | オーディオ信号の符号化装置 |
| US6937979B2 (en) * | 2000-09-15 | 2005-08-30 | Mindspeed Technologies, Inc. | Coding based on spectral content of a speech signal |
| EP1199711A1 (en) * | 2000-10-20 | 2002-04-24 | Telefonaktiebolaget Lm Ericsson | Encoding of audio signal using bandwidth expansion |
| SE0004187D0 (sv) * | 2000-11-15 | 2000-11-15 | Coding Technologies Sweden Ab | Enhancing the performance of coding systems that use high frequency reconstruction methods |
| US6636830B1 (en) * | 2000-11-22 | 2003-10-21 | Vialta Inc. | System and method for noise reduction using bi-orthogonal modified discrete cosine transform |
| US6996523B1 (en) * | 2001-02-13 | 2006-02-07 | Hughes Electronics Corporation | Prototype waveform magnitude quantization for a frequency domain interpolative speech codec system |
| US6871176B2 (en) * | 2001-07-26 | 2005-03-22 | Freescale Semiconductor, Inc. | Phase excited linear prediction encoder |
| US6912495B2 (en) * | 2001-11-20 | 2005-06-28 | Digital Voice Systems, Inc. | Speech model and analysis, synthesis, and quantization methods |
-
2004
- 2004-03-01 DE DE102004009949A patent/DE102004009949B4/de not_active Expired - Fee Related
-
2005
- 2005-02-17 PL PL08021083T patent/PL2034473T3/pl unknown
- 2005-02-17 EP EP08021083.4A patent/EP2034473B1/de active Active
- 2005-02-17 KR KR1020067016835A patent/KR100852482B1/ko active IP Right Grant
- 2005-02-17 WO PCT/EP2005/001651 patent/WO2005083680A1/de active Application Filing
- 2005-02-17 EP EP19167397.9A patent/EP3544003B1/de active Active
- 2005-02-17 CN CN2005800067994A patent/CN1938758B/zh active Active
- 2005-02-17 ES ES05707481T patent/ES2376887T3/es active Active
- 2005-02-17 PT PT191673979T patent/PT3544003T/pt unknown
- 2005-02-17 CA CA2559354A patent/CA2559354C/en active Active
- 2005-02-17 AU AU2005217507A patent/AU2005217507B2/en active Active
- 2005-02-17 PL PL19167397T patent/PL3544003T3/pl unknown
- 2005-02-17 AT AT05707481T patent/ATE532173T1/de active
- 2005-02-17 JP JP2007501149A patent/JP4673882B2/ja active Active
- 2005-02-17 EP EP05707481A patent/EP1697931B1/de active Active
- 2005-02-17 PT PT08021083T patent/PT2034473T/pt unknown
- 2005-02-17 ES ES19167397T patent/ES2847237T3/es active Active
- 2005-02-17 BR BRPI0507815A patent/BRPI0507815B1/pt active IP Right Grant
- 2005-02-17 DK DK05707481.7T patent/DK1697931T3/da active
- 2005-02-17 ES ES08021083T patent/ES2739544T3/es active Active
- 2005-02-17 RU RU2006134638/09A patent/RU2337414C2/ru active
-
2006
- 2006-07-20 IL IL176978A patent/IL176978A/en active IP Right Grant
- 2006-08-31 US US11/469,418 patent/US7318028B2/en active Active
- 2006-09-29 NO NO20064432A patent/NO338917B1/no unknown
-
2007
- 2007-01-25 HK HK07100908.4A patent/HK1093813A1/xx unknown
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