IN2014KN01766A - - Google Patents
Info
- Publication number
- IN2014KN01766A IN2014KN01766A IN1766KON2014A IN2014KN01766A IN 2014KN01766 A IN2014KN01766 A IN 2014KN01766A IN 1766KON2014 A IN1766KON2014 A IN 1766KON2014A IN 2014KN01766 A IN2014KN01766 A IN 2014KN01766A
- Authority
- IN
- India
- Prior art keywords
- audio signal
- adjustment unit
- phase
- phase adjustment
- decoding
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 abstract 8
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
-
- 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
- G10L19/04—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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- 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
- G10L19/26—Pre-filtering or post-filtering
-
- 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
- G10L19/02—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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261603773P | 2012-02-27 | 2012-02-27 | |
| EP12178265.0A EP2631906A1 (en) | 2012-02-27 | 2012-07-27 | Phase coherence control for harmonic signals in perceptual audio codecs |
| PCT/EP2013/053831 WO2013127801A1 (en) | 2012-02-27 | 2013-02-26 | Phase coherence control for harmonic signals in perceptual audio codecs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN2014KN01766A true IN2014KN01766A (th) | 2015-10-23 |
Family
ID=47076051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN1766KON2014 IN2014KN01766A (th) | 2012-02-27 | 2013-02-26 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US10818304B2 (th) |
| EP (2) | EP2631906A1 (th) |
| JP (1) | JP5873936B2 (th) |
| KR (1) | KR101680953B1 (th) |
| CN (1) | CN104170009B (th) |
| AU (1) | AU2013225076B2 (th) |
| BR (1) | BR112014021054B1 (th) |
| CA (1) | CA2865651C (th) |
| ES (1) | ES2673319T3 (th) |
| IN (1) | IN2014KN01766A (th) |
| MX (1) | MX338526B (th) |
| RU (1) | RU2612584C2 (th) |
| TR (1) | TR201808452T4 (th) |
| WO (1) | WO2013127801A1 (th) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101016224B1 (ko) | 2006-12-12 | 2011-02-25 | 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 | 인코더, 디코더 및 시간 영역 데이터 스트림을 나타내는 데이터 세그먼트를 인코딩하고 디코딩하는 방법 |
| CN105765655A (zh) * | 2013-11-22 | 2016-07-13 | 高通股份有限公司 | 高频带译码中的选择性相位补偿 |
| EP2963646A1 (en) | 2014-07-01 | 2016-01-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder and method for decoding an audio signal, encoder and method for encoding an audio signal |
| KR102125410B1 (ko) | 2015-02-26 | 2020-06-22 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 타깃 시간 도메인 포락선을 사용하여 처리된 오디오 신호를 얻도록 오디오 신호를 처리하기 위한 장치 및 방법 |
| TWI879690B (zh) | 2015-03-13 | 2025-04-01 | 瑞典商杜比國際公司 | 音訊處理單元、用於將經編碼的音訊位元流解碼之方法以及非暫態電腦可讀媒體 |
| WO2016046421A1 (en) * | 2015-11-19 | 2016-03-31 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for voiced speech detection |
| CN106653004B (zh) * | 2016-12-26 | 2019-07-26 | 苏州大学 | 感知语谱规整耳蜗滤波系数的说话人识别特征提取方法 |
| US11771779B2 (en) | 2018-01-26 | 2023-10-03 | Hadasit Medical Research Services & Development Limited | Non-metallic magnetic resonance contrast agent |
| IL313348B2 (en) | 2018-04-25 | 2025-08-01 | Dolby Int Ab | Integration of high frequency reconstruction techniques with reduced post-processing delay |
| IL313391B2 (en) | 2018-04-25 | 2025-05-01 | Dolby Int Ab | Integrating high-frequency audio restoration techniques |
| CN110728970B (zh) * | 2019-09-29 | 2022-02-25 | 东莞市中光通信科技有限公司 | 一种数字辅助隔音处理的方法及装置 |
| WO2021113416A1 (en) | 2019-12-05 | 2021-06-10 | Dolby Laboratories Licensing Corporation | A psychoacoustic model for audio processing |
| CN113990334B (zh) * | 2021-10-28 | 2024-11-01 | 深圳市智创一切科技有限公司 | 用于语音编码的蓝牙音频的传送方法、系统和电子设备 |
| EP4276824A1 (en) | 2022-05-13 | 2023-11-15 | Alta Voce | Method for modifying an audio signal without phasiness |
| CN116486835B (zh) * | 2023-05-31 | 2025-09-02 | 平安科技（深圳）有限公司 | 合成语音检测方法和系统、计算机设备、存储介质 |
Family Cites Families (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5054072A (en) * | 1987-04-02 | 1991-10-01 | Massachusetts Institute Of Technology | Coding of acoustic waveforms |
| RU2009585C1 (ru) * | 1991-06-19 | 1994-03-15 | Евгений Николаевич Пестов | Способ ударного возбуждения фазовой когерентности одновременно по крайней мере в двух квантовых системах |
| FR2692091B1 (fr) * | 1992-06-03 | 1995-04-14 | France Telecom | Procédé et dispositif de dissimulation d'erreurs de transmission de signaux audio-numériques codés par transformée fréquentielle. |
| US6766300B1 (en) * | 1996-11-07 | 2004-07-20 | Creative Technology Ltd. | Method and apparatus for transient detection and non-distortion time scaling |
| JPH11251918A (ja) * | 1998-03-03 | 1999-09-17 | Takayoshi Hirata | 音声信号波形符号化伝送方式 |
| US6397175B1 (en) * | 1999-07-19 | 2002-05-28 | Qualcomm Incorporated | Method and apparatus for subsampling phase spectrum information |
| US6549884B1 (en) * | 1999-09-21 | 2003-04-15 | Creative Technology Ltd. | Phase-vocoder pitch-shifting |
| KR100348790B1 (ko) * | 1999-12-21 | 2002-08-17 | 엘지전자주식회사 | 큐에이엠 수신기 |
| US7006636B2 (en) * | 2002-05-24 | 2006-02-28 | Agere Systems Inc. | Coherence-based audio coding and synthesis |
| US20030187663A1 (en) * | 2002-03-28 | 2003-10-02 | Truman Michael Mead | Broadband frequency translation for high frequency regeneration |
| JP4313993B2 (ja) * | 2002-07-19 | 2009-08-12 | パナソニック株式会社 | オーディオ復号化装置およびオーディオ復号化方法 |
| CN1231889C (zh) * | 2002-11-19 | 2005-12-14 | 华为技术有限公司 | 多通道声码器的语音处理方法 |
| SE0303498D0 (sv) * | 2003-12-19 | 2003-12-19 | Ericsson Telefon Ab L M | Spectral loss conccalment in transform codecs |
| SE527669C2 (sv) * | 2003-12-19 | 2006-05-09 | Ericsson Telefon Ab L M | Förbättrad felmaskering i frekvensdomänen |
| JP4513556B2 (ja) * | 2003-12-25 | 2010-07-28 | カシオ計算機株式会社 | 音声分析合成装置、及びプログラム |
| US20070165892A1 (en) * | 2004-06-28 | 2007-07-19 | Koninklijke Philips Electronics, N.V. | Wireless audio |
| JP4734961B2 (ja) | 2005-02-28 | 2011-07-27 | カシオ計算機株式会社 | 音響効果付与装置、及びプログラム |
| US7856355B2 (en) * | 2005-07-05 | 2010-12-21 | Alcatel-Lucent Usa Inc. | Speech quality assessment method and system |
| US7546237B2 (en) * | 2005-12-23 | 2009-06-09 | Qnx Software Systems (Wavemakers), Inc. | Bandwidth extension of narrowband speech |
| US9697844B2 (en) * | 2006-05-17 | 2017-07-04 | Creative Technology Ltd | Distributed spatial audio decoder |
| EP1918911A1 (en) * | 2006-11-02 | 2008-05-07 | RWTH Aachen University | Time scale modification of an audio signal |
| KR101453732B1 (ko) * | 2007-04-16 | 2014-10-24 | 삼성전자주식회사 | 스테레오 신호 및 멀티 채널 신호 부호화 및 복호화 방법및 장치 |
| US9275652B2 (en) * | 2008-03-10 | 2016-03-01 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Device and method for manipulating an audio signal having a transient event |
| EP2237266A1 (en) * | 2009-04-03 | 2010-10-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for determining a plurality of local center of gravity frequencies of a spectrum of an audio signal |
| WO2011039668A1 (en) * | 2009-09-29 | 2011-04-07 | Koninklijke Philips Electronics N.V. | Apparatus for mixing a digital audio |
| CN102257567B (zh) * | 2009-10-21 | 2014-05-07 | 松下电器产业株式会社 | 音响信号处理装置、音响编码装置及音响解码装置 |
| EP2545551B1 (en) * | 2010-03-09 | 2017-10-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Improved magnitude response and temporal alignment in phase vocoder based bandwidth extension for audio signals |
| JP6037156B2 (ja) * | 2011-08-24 | 2016-11-30 | ソニー株式会社 | 符号化装置および方法、並びにプログラム |
| FR3008533A1 (fr) * | 2013-07-12 | 2015-01-16 | Orange | Facteur d'echelle optimise pour l'extension de bande de frequence dans un decodeur de signaux audiofrequences |
-
2012
- 2012-07-27 EP EP12178265.0A patent/EP2631906A1/en not_active Withdrawn
-
2013
- 2013-02-26 JP JP2014559187A patent/JP5873936B2/ja active Active
- 2013-02-26 CN CN201380011094.6A patent/CN104170009B/zh active Active
- 2013-02-26 IN IN1766KON2014 patent/IN2014KN01766A/en unknown
- 2013-02-26 CA CA2865651A patent/CA2865651C/en active Active
- 2013-02-26 WO PCT/EP2013/053831 patent/WO2013127801A1/en not_active Ceased
- 2013-02-26 ES ES13705826.9T patent/ES2673319T3/es active Active
- 2013-02-26 TR TR2018/08452T patent/TR201808452T4/tr unknown
- 2013-02-26 KR KR1020147027477A patent/KR101680953B1/ko active Active
- 2013-02-26 AU AU2013225076A patent/AU2013225076B2/en active Active
- 2013-02-26 MX MX2014010098A patent/MX338526B/es active IP Right Grant
- 2013-02-26 EP EP13705826.9A patent/EP2820647B1/en active Active
- 2013-02-26 RU RU2014138820A patent/RU2612584C2/ru active
- 2013-02-26 BR BR112014021054-3A patent/BR112014021054B1/pt active IP Right Grant
-
2014
- 2014-08-27 US US14/470,551 patent/US10818304B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP2820647A1 (en) | 2015-01-07 |
| EP2631906A1 (en) | 2013-08-28 |
| BR112014021054A2 (pt) | 2021-05-25 |
| US10818304B2 (en) | 2020-10-27 |
| RU2612584C2 (ru) | 2017-03-09 |
| JP2015508911A (ja) | 2015-03-23 |
| TR201808452T4 (tr) | 2018-07-23 |
| EP2820647B1 (en) | 2018-03-21 |
| ES2673319T3 (es) | 2018-06-21 |
| AU2013225076B2 (en) | 2016-04-21 |
| MX338526B (es) | 2016-04-20 |
| CN104170009B (zh) | 2017-02-22 |
| CA2865651C (en) | 2017-05-02 |
| BR112014021054B1 (pt) | 2022-04-26 |
| KR101680953B1 (ko) | 2016-12-12 |
| RU2014138820A (ru) | 2016-04-20 |
| CN104170009A (zh) | 2014-11-26 |
| JP5873936B2 (ja) | 2016-03-01 |
| CA2865651A1 (en) | 2013-09-06 |
| KR20140130225A (ko) | 2014-11-07 |
| US20140372131A1 (en) | 2014-12-18 |
| AU2013225076A1 (en) | 2014-09-04 |
| WO2013127801A1 (en) | 2013-09-06 |
| MX2014010098A (es) | 2014-09-16 |
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