IN2014DN07433A - - Google Patents
Info
- Publication number
- IN2014DN07433A IN2014DN07433A IN7433DEN2014A IN2014DN07433A IN 2014DN07433 A IN2014DN07433 A IN 2014DN07433A IN 7433DEN2014 A IN7433DEN2014 A IN 7433DEN2014A IN 2014DN07433 A IN2014DN07433 A IN 2014DN07433A
- Authority
- IN
- India
- Prior art keywords
- encode
- encoder
- peak
- peak regions
- frequency set
- Prior art date
Links
- 230000001419 dependent effect Effects 0.000 abstract 1
- 230000005236 sound signal Effects 0.000 abstract 1
- 230000003595 spectral effect 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
- G10L19/002—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
- 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
- G10L19/0212—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
- G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
-
- 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
- G10L19/038—Vector quantisation, e.g. TwinVQ audio
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261617216P | 2012-03-29 | 2012-03-29 | |
| PCT/SE2012/051177 WO2013147666A1 (en) | 2012-03-29 | 2012-10-30 | Transform encoding/decoding of harmonic audio signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN2014DN07433A true IN2014DN07433A (es) | 2015-04-24 |
Family
ID=47221519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN7433DEN2014 IN2014DN07433A (es) | 2012-03-29 | 2012-10-30 |
Country Status (13)
| Country | Link |
|---|---|
| US (5) | US9437204B2 (es) |
| EP (2) | EP2831874B1 (es) |
| KR (3) | KR102123770B1 (es) |
| CN (2) | CN107591157B (es) |
| DK (1) | DK2831874T3 (es) |
| ES (2) | ES2703873T3 (es) |
| HU (1) | HUE033069T2 (es) |
| IN (1) | IN2014DN07433A (es) |
| PL (1) | PL3220390T3 (es) |
| PT (1) | PT3220390T (es) |
| RU (3) | RU2637994C1 (es) |
| TR (1) | TR201815245T4 (es) |
| WO (1) | WO2013147666A1 (es) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2960582T3 (es) * | 2012-03-29 | 2024-03-05 | Ericsson Telefon Ab L M | Cuantificador vectorial |
| ES2703873T3 (es) * | 2012-03-29 | 2019-03-12 | Ericsson Telefon Ab L M | Codificación/descodificación de la transformada de señales armónicas de audio |
| CN105976824B (zh) | 2012-12-06 | 2021-06-08 | 华为技术有限公司 | 信号解码的方法和设备 |
| EP2830054A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework |
| EP3117432B1 (en) | 2014-03-14 | 2019-05-08 | Telefonaktiebolaget LM Ericsson (publ) | Audio coding method and apparatus |
| CN104934034B (zh) | 2014-03-19 | 2016-11-16 | 华为技术有限公司 | 用于信号处理的方法和装置 |
| WO2016142002A1 (en) | 2015-03-09 | 2016-09-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal |
| WO2016160403A1 (en) * | 2015-03-27 | 2016-10-06 | Dolby Laboratories Licensing Corporation | Adaptive audio filtering |
| US10984808B2 (en) * | 2019-07-09 | 2021-04-20 | Blackberry Limited | Method for multi-stage compression in sub-band processing |
| CN113192517B (zh) * | 2020-01-13 | 2024-04-26 | 华为技术有限公司 | 一种音频编解码方法和音频编解码设备 |
| US12586592B2 (en) * | 2022-05-30 | 2026-03-24 | Ribbon Communications Operating Company, Inc. | Methods and apparatus for generating audio fingerprints for calls using power spectral density values |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6263312B1 (en) * | 1997-10-03 | 2001-07-17 | Alaris, Inc. | Audio compression and decompression employing subband decomposition of residual signal and distortion reduction |
| US7983909B2 (en) * | 2003-09-15 | 2011-07-19 | Intel Corporation | Method and apparatus for encoding audio data |
| US7953605B2 (en) * | 2005-10-07 | 2011-05-31 | Deepen Sinha | Method and apparatus for audio encoding and decoding using wideband psychoacoustic modeling and bandwidth extension |
| RU2409874C9 (ru) * | 2005-11-04 | 2011-05-20 | Нокиа Корпорейшн | Сжатие звуковых сигналов |
| US7831434B2 (en) * | 2006-01-20 | 2010-11-09 | Microsoft Corporation | Complex-transform channel coding with extended-band frequency coding |
| US7953604B2 (en) * | 2006-01-20 | 2011-05-31 | Microsoft Corporation | Shape and scale parameters for extended-band frequency coding |
| US8990073B2 (en) * | 2007-06-22 | 2015-03-24 | Voiceage Corporation | Method and device for sound activity detection and sound signal classification |
| US8046214B2 (en) * | 2007-06-22 | 2011-10-25 | Microsoft Corporation | Low complexity decoder for complex transform coding of multi-channel sound |
| US7885819B2 (en) * | 2007-06-29 | 2011-02-08 | Microsoft Corporation | Bitstream syntax for multi-process audio decoding |
| ATE518224T1 (de) * | 2008-01-04 | 2011-08-15 | Dolby Int Ab | Audiokodierer und -dekodierer |
| JP2011518345A (ja) * | 2008-03-14 | 2011-06-23 | ドルビー・ラボラトリーズ・ライセンシング・コーポレーション | スピーチライク信号及びノンスピーチライク信号のマルチモードコーディング |
| CN101552005A (zh) * | 2008-04-03 | 2009-10-07 | 华为技术有限公司 | 编码方法、解码方法、系统及装置 |
| EP2107556A1 (en) * | 2008-04-04 | 2009-10-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio transform coding using pitch correction |
| PL2346029T3 (pl) * | 2008-07-11 | 2013-11-29 | Fraunhofer Ges Forschung | Koder sygnału audio, sposób kodowania sygnału audio i odpowiadający mu program komputerowy |
| RU2621965C2 (ru) * | 2008-07-11 | 2017-06-08 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | Передатчик сигнала активации с деформацией по времени, кодер звукового сигнала, способ преобразования сигнала активации с деформацией по времени, способ кодирования звукового сигнала и компьютерные программы |
| CN102081927B (zh) * | 2009-11-27 | 2012-07-18 | 中兴通讯股份有限公司 | 一种可分层音频编码、解码方法及系统 |
| JP5316896B2 (ja) * | 2010-03-17 | 2013-10-16 | ソニー株式会社 | 符号化装置および符号化方法、復号装置および復号方法、並びにプログラム |
| US8924222B2 (en) * | 2010-07-30 | 2014-12-30 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for coding of harmonic signals |
| US9208792B2 (en) * | 2010-08-17 | 2015-12-08 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for noise injection |
| CN102208188B (zh) * | 2011-07-13 | 2013-04-17 | 华为技术有限公司 | 音频信号编解码方法和设备 |
| CN104221082B (zh) * | 2012-03-29 | 2017-03-08 | 瑞典爱立信有限公司 | 谐波音频信号的带宽扩展 |
| ES2703873T3 (es) * | 2012-03-29 | 2019-03-12 | Ericsson Telefon Ab L M | Codificación/descodificación de la transformada de señales armónicas de audio |
-
2012
- 2012-10-30 ES ES17164481T patent/ES2703873T3/es active Active
- 2012-10-30 EP EP12790692.3A patent/EP2831874B1/en active Active
- 2012-10-30 DK DK12790692.3T patent/DK2831874T3/en active
- 2012-10-30 US US14/387,367 patent/US9437204B2/en active Active
- 2012-10-30 KR KR1020197019105A patent/KR102123770B1/ko active Active
- 2012-10-30 WO PCT/SE2012/051177 patent/WO2013147666A1/en not_active Ceased
- 2012-10-30 CN CN201711011149.XA patent/CN107591157B/zh active Active
- 2012-10-30 HU HUE12790692A patent/HUE033069T2/hu unknown
- 2012-10-30 EP EP17164481.8A patent/EP3220390B1/en active Active
- 2012-10-30 CN CN201280072072.6A patent/CN104254885B/zh active Active
- 2012-10-30 IN IN7433DEN2014 patent/IN2014DN07433A/en unknown
- 2012-10-30 PL PL17164481T patent/PL3220390T3/pl unknown
- 2012-10-30 ES ES12790692.3T patent/ES2635422T3/es active Active
- 2012-10-30 RU RU2017104118A patent/RU2637994C1/ru active
- 2012-10-30 KR KR1020197017535A patent/KR102136038B1/ko active Active
- 2012-10-30 RU RU2014143518A patent/RU2611017C2/ru active
- 2012-10-30 KR KR1020147030223A patent/KR20140130248A/ko not_active Ceased
- 2012-10-30 PT PT17164481T patent/PT3220390T/pt unknown
- 2012-10-30 TR TR2018/15245T patent/TR201815245T4/tr unknown
-
2016
- 2016-08-04 US US15/228,395 patent/US10566003B2/en active Active
-
2017
- 2017-11-16 RU RU2017139868A patent/RU2744477C2/ru active
-
2020
- 2020-01-08 US US16/737,451 patent/US11264041B2/en active Active
-
2022
- 2022-01-20 US US17/579,968 patent/US12027175B2/en active Active
-
2024
- 2024-05-30 US US18/678,054 patent/US20240321283A1/en active Pending
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IN2014DN07433A (es) | ||
| MY192540A (en) | Audio encoder and decoder using a frequency domain processor, a time domain processor, and a cross processor for continuous initialization | |
| MX2015009171A (es) | Ajuste de nivel en el dominio del tiempo para descodificacion o codificacion de señales de audio. | |
| MY186808A (en) | Decoder for decoding a media signal and encoder for encoding secondary media data comprising metadata or control data for primary media data | |
| PH12014501465A1 (en) | Determining contexts for coding transform coefficient data in video coding | |
| WO2014187989A3 (en) | Reconstruction of audio scenes from a downmix | |
| MX362424B (es) | Codificador y decodificador de audio usando un procesador de dominio de frecuencia con un relleno de intervalo de banda completa y un procesador de dominio de tiempo. | |
| WO2014005081A3 (en) | Coding of significance flags | |
| MX357667B (es) | Codificador de audio, decodificador de audio, metodos y programa de computacion usando señales residuales codificadas conjuntamente. | |
| SG194706A1 (en) | Apparatus and method for audio encoding and decoding employing sinusoidalsubstitution | |
| MY176994A (en) | Apparatus and method for efficient object metadata coding | |
| GB2532379A (en) | Wind noise reduction | |
| PH12014502144A1 (en) | Transform coefficient coding | |
| MY165853A (en) | Linear prediction based coding scheme using spectral domain noise shaping | |
| MY178139A (en) | Audio decoder and method for providing a decoded audio information using an errorconcealment based on a time domain excitation signal | |
| MX343033B (es) | Elementos de sintaxis de señalizacion para coeficientes de transformada para subconjuntos de una unidad de codificacion de nivel de hoja. | |
| MX358306B (es) | Decodificador, codificador y método para la estimación informada de sonoridad en sistemas de codificación basada en objetos. | |
| MX2015009747A (es) | Decodificador para generar una señal de audio mejorada en frecuencia, metodo de decodificacion, codificador para generar una señal codificada y metodo de codificacion utilizando informacion secundaria de seleccion compacta. | |
| WO2012139192A3 (en) | Methods and devices for coding and decoding the position of the last significant coefficient | |
| CL2014001805A1 (es) | Metodo para codificar datos de audio con compensacion adaptativa de baja frecuencia, que comprende realizar la deteccion de tonalidad en los datos de audio, generar un valor de enmascaramiento preliminar para los datos de audio, determinar un valor de enmascaramiento para los datos de audio; codificador; sistema; y metodo para decodificar datos de audio codificados | |
| MX391551B (es) | Decodificador y codificador de audio | |
| EP4365894A3 (en) | Multi-channel signal encoding method, multi-channel signal decoding method, encoder, and decoder | |
| JP2013033189A5 (es) | ||
| MX353385B (es) | Codificación de audio basada en predicción lineal que utiliza cálculo de distribución de probabilidades mejorado. | |
| MY192163A (en) | Concept for encoding of information |