BRPI0508343B1 - método para decodificar m canais de áudio codificados representando n canais de áudio e método para codificar n canais de áudio de entrada em m canais de áudio codificados. - Google Patents
método para decodificar m canais de áudio codificados representando n canais de áudio e método para codificar n canais de áudio de entrada em m canais de áudio codificados. Download PDFInfo
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- BRPI0508343B1 BRPI0508343B1 BRPI0508343A BRPI0508343A BRPI0508343B1 BR PI0508343 B1 BRPI0508343 B1 BR PI0508343B1 BR PI0508343 A BRPI0508343 A BR PI0508343A BR PI0508343 A BRPI0508343 A BR PI0508343A BR PI0508343 B1 BRPI0508343 B1 BR PI0508343B1
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- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
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- 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
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- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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- 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
- G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
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- 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
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- 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
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- 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
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- H—ELECTRICITY
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- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
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- H—ELECTRICITY
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- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
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- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Stereo-Broadcasting Methods (AREA)
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Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54936804P | 2004-03-01 | 2004-03-01 | |
| US57997404P | 2004-06-14 | 2004-06-14 | |
| US58825604P | 2004-07-14 | 2004-07-14 | |
| PCT/US2005/006359 WO2005086139A1 (en) | 2004-03-01 | 2005-02-28 | Multichannel audio coding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI0508343A BRPI0508343A (pt) | 2007-07-24 |
| BRPI0508343B1 true BRPI0508343B1 (pt) | 2018-11-06 |
Family
ID=34923263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0508343A BRPI0508343B1 (pt) | 2004-03-01 | 2005-02-28 | método para decodificar m canais de áudio codificados representando n canais de áudio e método para codificar n canais de áudio de entrada em m canais de áudio codificados. |
Country Status (16)
| Country | Link |
|---|---|
| US (18) | US8983834B2 (enExample) |
| EP (4) | EP1721312B1 (enExample) |
| JP (1) | JP4867914B2 (enExample) |
| KR (1) | KR101079066B1 (enExample) |
| CN (3) | CN1926607B (enExample) |
| AT (4) | ATE390683T1 (enExample) |
| AU (2) | AU2005219956B2 (enExample) |
| BR (1) | BRPI0508343B1 (enExample) |
| CA (11) | CA3026276C (enExample) |
| DE (3) | DE602005005640T2 (enExample) |
| ES (1) | ES2324926T3 (enExample) |
| IL (1) | IL177094A (enExample) |
| MY (1) | MY145083A (enExample) |
| SG (3) | SG10202004688SA (enExample) |
| TW (3) | TWI498883B (enExample) |
| WO (1) | WO2005086139A1 (enExample) |
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| US7461002B2 (en) | 2001-04-13 | 2008-12-02 | Dolby Laboratories Licensing Corporation | Method for time aligning audio signals using characterizations based on auditory events |
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| US7610205B2 (en) * | 2002-02-12 | 2009-10-27 | Dolby Laboratories Licensing Corporation | High quality time-scaling and pitch-scaling of audio signals |
| 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 |
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| US7502743B2 (en) | 2002-09-04 | 2009-03-10 | Microsoft Corporation | Multi-channel audio encoding and decoding with multi-channel transform selection |
| CA2499967A1 (en) | 2002-10-15 | 2004-04-29 | Verance Corporation | Media monitoring, management and information system |
| US20060239501A1 (en) | 2005-04-26 | 2006-10-26 | Verance Corporation | Security enhancements of digital watermarks for multi-media content |
| US7369677B2 (en) * | 2005-04-26 | 2008-05-06 | Verance Corporation | System reactions to the detection of embedded watermarks in a digital host content |
| US7460990B2 (en) | 2004-01-23 | 2008-12-02 | Microsoft Corporation | Efficient coding of digital media spectral data using wide-sense perceptual similarity |
| ATE390683T1 (de) * | 2004-03-01 | 2008-04-15 | Dolby Lab Licensing Corp | Mehrkanalige audiocodierung |
| ES2333137T3 (es) | 2004-07-14 | 2010-02-17 | Koninklijke Philips Electronics N.V. | Conversion de canal de audio. |
| US7508947B2 (en) * | 2004-08-03 | 2009-03-24 | Dolby Laboratories Licensing Corporation | Method for combining audio signals using auditory scene analysis |
| TWI393121B (zh) | 2004-08-25 | 2013-04-11 | 杜比實驗室特許公司 | 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式 |
| TWI393120B (zh) * | 2004-08-25 | 2013-04-11 | Dolby Lab Licensing Corp | 用於音訊信號編碼及解碼之方法和系統、音訊信號編碼器、音訊信號解碼器、攜帶有位元流之電腦可讀取媒體、及儲存於電腦可讀取媒體上的電腦程式 |
| MX2007005027A (es) | 2004-10-26 | 2007-06-19 | Dolby Lab Licensing Corp | Calculo y ajuste de la sonoridad percibida y/o el balance espectral percibido de una senal de audio. |
| SE0402652D0 (sv) | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Methods for improved performance of prediction based multi- channel reconstruction |
| SE0402651D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods for interpolation and parameter signalling |
| US7573912B2 (en) * | 2005-02-22 | 2009-08-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. | Near-transparent or transparent multi-channel encoder/decoder scheme |
| DE102005014477A1 (de) | 2005-03-30 | 2006-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines Datenstroms und zum Erzeugen einer Multikanal-Darstellung |
| US7983922B2 (en) * | 2005-04-15 | 2011-07-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing |
| US7418394B2 (en) * | 2005-04-28 | 2008-08-26 | Dolby Laboratories Licensing Corporation | Method and system for operating audio encoders utilizing data from overlapping audio segments |
| WO2006126844A2 (en) | 2005-05-26 | 2006-11-30 | Lg Electronics Inc. | Method and apparatus for decoding an audio signal |
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- 2017-02-01 US US15/422,119 patent/US9691404B2/en not_active Expired - Lifetime
- 2017-02-01 US US15/422,132 patent/US9672839B1/en not_active Expired - Lifetime
- 2017-03-01 US US15/446,699 patent/US9779745B2/en not_active Expired - Fee Related
- 2017-03-01 US US15/446,678 patent/US9691405B1/en not_active Expired - Lifetime
- 2017-03-01 US US15/446,663 patent/US9697842B1/en not_active Expired - Lifetime
- 2017-03-01 US US15/446,693 patent/US9704499B1/en not_active Expired - Lifetime
- 2017-08-30 US US15/691,309 patent/US10269364B2/en not_active Expired - Lifetime
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2018
- 2018-12-19 US US16/226,289 patent/US10403297B2/en not_active Expired - Lifetime
- 2018-12-19 US US16/226,252 patent/US10460740B2/en not_active Expired - Lifetime
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2019
- 2019-10-28 US US16/666,276 patent/US10796706B2/en not_active Expired - Lifetime
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2020
- 2020-10-05 US US17/063,137 patent/US11308969B2/en not_active Expired - Lifetime
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