AR094677A1 - Llenado de ruido sin información lateral para codificadores del tipo celp - Google Patents
Llenado de ruido sin información lateral para codificadores del tipo celpInfo
- Publication number
- AR094677A1 AR094677A1 ARP140100293A ARP140100293A AR094677A1 AR 094677 A1 AR094677 A1 AR 094677A1 AR P140100293 A ARP140100293 A AR P140100293A AR P140100293 A ARP140100293 A AR P140100293A AR 094677 A1 AR094677 A1 AR 094677A1
- Authority
- AR
- Argentina
- Prior art keywords
- noise
- information
- current frame
- noise level
- audio
- Prior art date
Links
- 238000000034 method Methods 0.000 abstract 3
- 230000005236 sound signal Effects 0.000 abstract 3
- 238000004590 computer program Methods 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
- G10L19/04—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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/087—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using mixed excitation models, e.g. MELP, MBE, split band LPC or HVXC
-
- 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
- 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
- G10L19/04—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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
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)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361758189P | 2013-01-29 | 2013-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AR094677A1 true AR094677A1 (es) | 2015-08-19 |
Family
ID=50023580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP140100293A AR094677A1 (es) | 2013-01-29 | 2014-01-29 | Llenado de ruido sin información lateral para codificadores del tipo celp |
Country Status (20)
| Country | Link |
|---|---|
| US (3) | US10269365B2 (enExample) |
| EP (4) | EP2951816B1 (enExample) |
| JP (1) | JP6181773B2 (enExample) |
| KR (1) | KR101794149B1 (enExample) |
| CN (3) | CN110827841B (enExample) |
| AR (1) | AR094677A1 (enExample) |
| AU (1) | AU2014211486B2 (enExample) |
| BR (1) | BR112015018020B1 (enExample) |
| CA (2) | CA2960854C (enExample) |
| ES (3) | ES2732560T3 (enExample) |
| MX (1) | MX347080B (enExample) |
| MY (1) | MY180912A (enExample) |
| PL (3) | PL3683793T3 (enExample) |
| PT (2) | PT2951816T (enExample) |
| RU (1) | RU2648953C2 (enExample) |
| SG (2) | SG10201806073WA (enExample) |
| TR (1) | TR201908919T4 (enExample) |
| TW (1) | TWI536368B (enExample) |
| WO (1) | WO2014118192A2 (enExample) |
| ZA (1) | ZA201506320B (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2732560T3 (es) * | 2013-01-29 | 2019-11-25 | Fraunhofer Ges Forschung | Llenado de ruido sin información secundaria para codificadores tipo celp |
| PT2951819T (pt) | 2013-01-29 | 2017-06-06 | Fraunhofer Ges Forschung | Aparelho, método e meio computacional para sintetizar um sinal de áudio |
| JP6214071B2 (ja) | 2013-06-21 | 2017-10-18 | フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． | Ｆｄｎｓ適用に先立ちｍｄｃｔスペクトルをホワイトノイズへフェードさせることを実現する装置及び方法 |
| US10008214B2 (en) * | 2015-09-11 | 2018-06-26 | Electronics And Telecommunications Research Institute | USAC audio signal encoding/decoding apparatus and method for digital radio services |
| JP6611042B2 (ja) * | 2015-12-02 | 2019-11-27 | パナソニックＩｐマネジメント株式会社 | 音声信号復号装置及び音声信号復号方法 |
| US10582754B2 (en) | 2017-03-08 | 2020-03-10 | Toly Management Ltd. | Cosmetic container |
| KR102383195B1 (ko) * | 2017-10-27 | 2022-04-08 | 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 | 디코더에서의 노이즈 감쇠 |
| WO2020146870A1 (en) * | 2019-01-13 | 2020-07-16 | Huawei Technologies Co., Ltd. | High resolution audio coding |
| CN115803805A (zh) * | 2020-09-02 | 2023-03-14 | 谷歌有限责任公司 | 通过数据密度梯度估计的条件输出生成 |
Family Cites Families (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2237296C2 (ru) * | 1998-11-23 | 2004-09-27 | Телефонактиеболагет Лм Эрикссон (Пабл) | Кодирование речи с функцией изменения комфортного шума для повышения точности воспроизведения |
| JP3490324B2 (ja) * | 1999-02-15 | 2004-01-26 | 日本電信電話株式会社 | 音響信号符号化装置、復号化装置、これらの方法、及びプログラム記録媒体 |
| US6691085B1 (en) | 2000-10-18 | 2004-02-10 | Nokia Mobile Phones Ltd. | Method and system for estimating artificial high band signal in speech codec using voice activity information |
| CA2327041A1 (en) * | 2000-11-22 | 2002-05-22 | Voiceage Corporation | A method for indexing pulse positions and signs in algebraic codebooks for efficient coding of wideband signals |
| US6941263B2 (en) * | 2001-06-29 | 2005-09-06 | Microsoft Corporation | Frequency domain postfiltering for quality enhancement of coded speech |
| US8725499B2 (en) * | 2006-07-31 | 2014-05-13 | Qualcomm Incorporated | Systems, methods, and apparatus for signal change detection |
| JP5061111B2 (ja) * | 2006-09-15 | 2012-10-31 | パナソニック株式会社 | 音声符号化装置および音声符号化方法 |
| US8599981B2 (en) * | 2007-03-02 | 2013-12-03 | Panasonic Corporation | Post-filter, decoding device, and post-filter processing method |
| EP2077551B1 (en) * | 2008-01-04 | 2011-03-02 | Dolby Sweden AB | Audio encoder and decoder |
| KR101221919B1 (ko) * | 2008-03-03 | 2013-01-15 | 연세대학교 산학협력단 | 오디오 신호 처리 방법 및 장치 |
| KR101227729B1 (ko) | 2008-07-11 | 2013-01-29 | 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 | 샘플 오디오 신호의 프레임을 인코딩하기 위한 오디오 인코더 및 디코더 |
| ES2683077T3 (es) * | 2008-07-11 | 2018-09-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada |
| RU2536679C2 (ru) * | 2008-07-11 | 2014-12-27 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен | 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 |
| MX2011000375A (es) | 2008-07-11 | 2011-05-19 | Fraunhofer Ges Forschung | Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada. |
| KR101182258B1 (ko) | 2008-07-11 | 2012-09-14 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 스펙트럼 기울기 제어 프레이밍을 이용한 대역폭 확장 데이터를 계산하는 장치 및 방법 |
| MY153594A (en) * | 2008-07-11 | 2015-02-27 | Fraunhofer Ges Forschung | An apparatus and a method for calculating a number of spectral envelopes |
| TWI413109B (zh) | 2008-10-01 | 2013-10-21 | Dolby Lab Licensing Corp | 用於上混系統之解相關器 |
| TWI419148B (zh) | 2008-10-08 | 2013-12-11 | Fraunhofer Ges Forschung | 多解析度切換音訊編碼／解碼方案 |
| EP4651130A1 (en) * | 2009-10-20 | 2025-11-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio signal encoder, audio signal decoder, method for encoding or decoding an audio signal using an aliasing-cancellation |
| EP2491555B1 (en) * | 2009-10-20 | 2014-03-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-mode audio codec |
| 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 |
| DE102010015163A1 (de) | 2010-04-16 | 2011-10-20 | Liebherr-Hydraulikbagger Gmbh | Baumaschine oder Umschlaggerät |
| US9208792B2 (en) * | 2010-08-17 | 2015-12-08 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for noise injection |
| KR101826331B1 (ko) * | 2010-09-15 | 2018-03-22 | 삼성전자주식회사 | 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법 |
| BR112013020587B1 (pt) | 2011-02-14 | 2021-03-09 | Fraunhofer-Gesellschaft Zur Forderung De Angewandten Forschung E.V. | esquema de codificação com base em previsão linear utilizando modelagem de ruído de domínio espectral |
| US9037456B2 (en) * | 2011-07-26 | 2015-05-19 | Google Technology Holdings LLC | Method and apparatus for audio coding and decoding |
| ES2732560T3 (es) * | 2013-01-29 | 2019-11-25 | Fraunhofer Ges Forschung | Llenado de ruido sin información secundaria para codificadores tipo celp |
-
2014
- 2014-01-28 ES ES14701567T patent/ES2732560T3/es active Active
- 2014-01-28 PT PT14701567T patent/PT2951816T/pt unknown
- 2014-01-28 CA CA2960854A patent/CA2960854C/en active Active
- 2014-01-28 EP EP14701567.1A patent/EP2951816B1/en active Active
- 2014-01-28 AU AU2014211486A patent/AU2014211486B2/en active Active
- 2014-01-28 MX MX2015009750A patent/MX347080B/es active IP Right Grant
- 2014-01-28 SG SG10201806073WA patent/SG10201806073WA/en unknown
- 2014-01-28 CN CN201910950848.3A patent/CN110827841B/zh active Active
- 2014-01-28 JP JP2015554202A patent/JP6181773B2/ja active Active
- 2014-01-28 WO PCT/EP2014/051649 patent/WO2014118192A2/en not_active Ceased
- 2014-01-28 PL PL20155722.0T patent/PL3683793T3/pl unknown
- 2014-01-28 ES ES16176505T patent/ES2799773T3/es active Active
- 2014-01-28 SG SG11201505913WA patent/SG11201505913WA/en unknown
- 2014-01-28 BR BR112015018020-5A patent/BR112015018020B1/pt active IP Right Grant
- 2014-01-28 CA CA2899542A patent/CA2899542C/en active Active
- 2014-01-28 ES ES20155722T patent/ES3009687T3/es active Active
- 2014-01-28 KR KR1020157022400A patent/KR101794149B1/ko active Active
- 2014-01-28 RU RU2015136787A patent/RU2648953C2/ru active
- 2014-01-28 CN CN201480019087.5A patent/CN105264596B/zh active Active
- 2014-01-28 CN CN202311306515.XA patent/CN117392990A/zh active Pending
- 2014-01-28 EP EP24220395.8A patent/EP4503023A3/en active Pending
- 2014-01-28 PT PT161765052T patent/PT3121813T/pt unknown
- 2014-01-28 MY MYPI2015001893A patent/MY180912A/en unknown
- 2014-01-28 EP EP20155722.0A patent/EP3683793B1/en active Active
- 2014-01-28 TR TR2019/08919T patent/TR201908919T4/tr unknown
- 2014-01-28 PL PL14701567T patent/PL2951816T3/pl unknown
- 2014-01-28 EP EP16176505.2A patent/EP3121813B1/en active Active
- 2014-01-28 PL PL16176505T patent/PL3121813T3/pl unknown
- 2014-01-29 TW TW103103527A patent/TWI536368B/zh active
- 2014-01-29 AR ARP140100293A patent/AR094677A1/es active IP Right Grant
-
2015
- 2015-07-28 US US14/811,778 patent/US10269365B2/en active Active
- 2015-08-28 ZA ZA2015/06320A patent/ZA201506320B/en unknown
-
2019
- 2019-02-26 US US16/286,445 patent/US10984810B2/en active Active
-
2020
- 2020-11-24 US US17/103,609 patent/US12100409B2/en active Active
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Legal Events
| Date | Code | Title | Description |
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| FG | Grant, registration |