MX358362B - Decodificador de audio que tiene un modulo de extension de ancho de banda con un modulo de ajuste de energia. - Google Patents
Decodificador de audio que tiene un modulo de extension de ancho de banda con un modulo de ajuste de energia.Info
- Publication number
- MX358362B MX358362B MX2015017846A MX2015017846A MX358362B MX 358362 B MX358362 B MX 358362B MX 2015017846 A MX2015017846 A MX 2015017846A MX 2015017846 A MX2015017846 A MX 2015017846A MX 358362 B MX358362 B MX 358362B
- Authority
- MX
- Mexico
- Prior art keywords
- audio
- bandwidth extension
- audio signal
- signal
- bitstream
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 abstract 9
- 238000001228 spectrum 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- 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
- G10L19/028—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
- G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
Se provee un decodificador de audio configurado para producir una señal de audio a partir de una corriente de bits que contiene marcos de audio, comprendiendo el decodificador de audio: un módulo decodificador de banda de núcleo configurado para derivar una señal de audio de banda de núcleo directamente decodificado a partir de la corriente de bits; un módulo de extensión de ancho de banda configurado para derivar una señal de audio de extensión de ancho de banda paramétricamente decodificada a partir de la señal de audio de banda de núcleo y a partir de la corriente de bits, en donde la señal de audio de extensión de ancho de banda está basada en una señal en el dominio de las frecuencias que tiene por lo menos una banda de frecuencia; y un combinador configurado para combinar la señal de audio de banda de núcleo y la señal de audio de extensión de ancho de banda de manera de producir la señal de audio; en donde el módulo de extensión de ancho de banda comprende un módulo de ajuste de energía que está configurado de una manera tal que en un marco de audio actual en la que tiene lugar una pérdida de marco de audio, se establece una energía de señal ajustada para el marco de audio actual para la por lo menos una banda de frecuencia; sobre la base de un factor de ganancia actual para el marco de audio actual, en donde el factor de ganancia actual se deriva a partir de un factor de ganancia de un marco de audio previo o a partir de la corriente de bits, y sobre la base de una energía estimada para la señal para la por lo menos una banda de frecuencia, en donde la energía estimada para la señal se deriva a partir de un espectro del marco de audio actual de la señal de audio de banda de núcleo.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13173152 | 2013-06-21 | ||
EP14167050 | 2014-05-05 | ||
PCT/EP2014/062902 WO2014202701A1 (en) | 2013-06-21 | 2014-06-18 | Audio decoder having a bandwidth extension module with an energy adjusting module |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2015017846A MX2015017846A (es) | 2016-04-18 |
MX358362B true MX358362B (es) | 2018-08-15 |
Family
ID=51022308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2015017846A MX358362B (es) | 2013-06-21 | 2014-06-18 | Decodificador de audio que tiene un modulo de extension de ancho de banda con un modulo de ajuste de energia. |
Country Status (18)
Country | Link |
---|---|
US (2) | US10096322B2 (es) |
EP (1) | EP3011560B1 (es) |
JP (1) | JP6228298B2 (es) |
KR (2) | KR101991421B1 (es) |
CN (1) | CN105431898B (es) |
AU (1) | AU2014283285B2 (es) |
BR (1) | BR112015031605B1 (es) |
CA (1) | CA2915001C (es) |
ES (1) | ES2697474T3 (es) |
HK (1) | HK1224368A1 (es) |
MX (1) | MX358362B (es) |
MY (1) | MY169410A (es) |
PL (1) | PL3011560T3 (es) |
PT (1) | PT3011560T (es) |
RU (1) | RU2642894C2 (es) |
SG (1) | SG11201510458UA (es) |
TW (1) | TWI564883B (es) |
WO (1) | WO2014202701A1 (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101991421B1 (ko) * | 2013-06-21 | 2019-06-21 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에.베. | 에너지 조정 모듈을 갖는 대역폭 확장 모듈을 구비한 오디오 디코더 |
JP6576934B2 (ja) * | 2014-01-07 | 2019-09-18 | ハーマン インターナショナル インダストリーズ インコーポレイテッド | 圧縮済みオーディオ信号の信号品質ベース強調及び補償 |
BR112020008216A2 (pt) * | 2017-10-27 | 2020-10-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | aparelho e seu método para gerar um sinal de áudio intensificado, sistema para processar um sinal de áudio |
CN109668917B (zh) * | 2018-09-29 | 2020-06-19 | 中国科学院高能物理研究所 | 一种利用单色器获得不同能量带宽x射线的方法 |
CN113192523B (zh) * | 2020-01-13 | 2024-07-16 | 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 |
CN113324546B (zh) * | 2021-05-24 | 2022-12-13 | 哈尔滨工程大学 | 罗经失效下的多潜航器协同定位自适应调节鲁棒滤波方法 |
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US6009117A (en) * | 1996-09-17 | 1999-12-28 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Spread spectrum communication system |
US6351730B2 (en) * | 1998-03-30 | 2002-02-26 | Lucent Technologies Inc. | Low-complexity, low-delay, scalable and embedded speech and audio coding with adaptive frame loss concealment |
US6763142B2 (en) * | 2001-09-07 | 2004-07-13 | Nline Corporation | System and method for correlated noise removal in complex imaging systems |
CA2388439A1 (en) * | 2002-05-31 | 2003-11-30 | Voiceage Corporation | A method and device for efficient frame erasure concealment in linear predictive based speech codecs |
US6985856B2 (en) * | 2002-12-31 | 2006-01-10 | Nokia Corporation | Method and device for compressed-domain packet loss concealment |
NZ562182A (en) | 2005-04-01 | 2010-03-26 | Qualcomm Inc | Method and apparatus for anti-sparseness filtering of a bandwidth extended speech prediction excitation signal |
WO2007000988A1 (ja) * | 2005-06-29 | 2007-01-04 | Matsushita Electric Industrial Co., Ltd. | スケーラブル復号装置および消失データ補間方法 |
US8374857B2 (en) * | 2006-08-08 | 2013-02-12 | Stmicroelectronics Asia Pacific Pte, Ltd. | Estimating rate controlling parameters in perceptual audio encoders |
US8433582B2 (en) * | 2008-02-01 | 2013-04-30 | Motorola Mobility Llc | Method and apparatus for estimating high-band energy in a bandwidth extension system |
MX2011000367A (es) * | 2008-07-11 | 2011-03-02 | Fraunhofer Ges Forschung | Un aparato y un metodo para calcular una cantidad de envolventes espectrales. |
WO2010051857A1 (en) * | 2008-11-10 | 2010-05-14 | Oticon A/S | N band fm demodulation to aid cochlear hearing impaired persons |
US8718804B2 (en) * | 2009-05-05 | 2014-05-06 | Huawei Technologies Co., Ltd. | System and method for correcting for lost data in a digital audio signal |
US8428938B2 (en) * | 2009-06-04 | 2013-04-23 | Qualcomm Incorporated | Systems and methods for reconstructing an erased speech frame |
SG10201505469SA (en) * | 2010-07-19 | 2015-08-28 | Dolby Int Ab | Processing of audio signals during high frequency reconstruction |
US9047875B2 (en) * | 2010-07-19 | 2015-06-02 | Futurewei Technologies, Inc. | Spectrum flatness control for bandwidth extension |
KR101826331B1 (ko) * | 2010-09-15 | 2018-03-22 | 삼성전자주식회사 | 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법 |
US20140019125A1 (en) * | 2011-03-31 | 2014-01-16 | Nokia Corporation | Low band bandwidth extended |
US8909539B2 (en) * | 2011-12-07 | 2014-12-09 | Gwangju Institute Of Science And Technology | Method and device for extending bandwidth of speech signal |
WO2014115225A1 (ja) * | 2013-01-22 | 2014-07-31 | パナソニック株式会社 | 帯域幅拡張パラメータ生成装置、符号化装置、復号装置、帯域幅拡張パラメータ生成方法、符号化方法、および、復号方法 |
KR101991421B1 (ko) * | 2013-06-21 | 2019-06-21 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에.베. | 에너지 조정 모듈을 갖는 대역폭 확장 모듈을 구비한 오디오 디코더 |
-
2014
- 2014-06-18 KR KR1020167001236A patent/KR101991421B1/ko active IP Right Grant
- 2014-06-18 AU AU2014283285A patent/AU2014283285B2/en active Active
- 2014-06-18 JP JP2016520479A patent/JP6228298B2/ja active Active
- 2014-06-18 RU RU2016101607A patent/RU2642894C2/ru active
- 2014-06-18 SG SG11201510458UA patent/SG11201510458UA/en unknown
- 2014-06-18 WO PCT/EP2014/062902 patent/WO2014202701A1/en active Application Filing
- 2014-06-18 CA CA2915001A patent/CA2915001C/en active Active
- 2014-06-18 MY MYPI2015002997A patent/MY169410A/en unknown
- 2014-06-18 KR KR1020177028465A patent/KR20170124590A/ko not_active Application Discontinuation
- 2014-06-18 ES ES14733125T patent/ES2697474T3/es active Active
- 2014-06-18 BR BR112015031605-0A patent/BR112015031605B1/pt active IP Right Grant
- 2014-06-18 MX MX2015017846A patent/MX358362B/es active IP Right Grant
- 2014-06-18 CN CN201480035519.1A patent/CN105431898B/zh active Active
- 2014-06-18 PL PL14733125T patent/PL3011560T3/pl unknown
- 2014-06-18 PT PT14733125T patent/PT3011560T/pt unknown
- 2014-06-18 EP EP14733125.0A patent/EP3011560B1/en active Active
- 2014-06-20 TW TW103121378A patent/TWI564883B/zh active
-
2015
- 2015-12-18 US US14/974,253 patent/US10096322B2/en active Active
-
2016
- 2016-10-27 HK HK16112361.8A patent/HK1224368A1/zh unknown
-
2018
- 2018-09-27 US US16/144,517 patent/US20190027153A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP6228298B2 (ja) | 2017-11-08 |
CN105431898A (zh) | 2016-03-23 |
CA2915001C (en) | 2019-04-02 |
EP3011560A1 (en) | 2016-04-27 |
PT3011560T (pt) | 2018-11-09 |
CN105431898B (zh) | 2019-09-06 |
RU2642894C2 (ru) | 2018-01-29 |
RU2016101607A (ru) | 2017-07-26 |
ES2697474T3 (es) | 2019-01-24 |
WO2014202701A1 (en) | 2014-12-24 |
JP2016530548A (ja) | 2016-09-29 |
CA2915001A1 (en) | 2014-12-24 |
EP3011560B1 (en) | 2018-08-01 |
HK1224368A1 (zh) | 2017-08-18 |
AU2014283285B2 (en) | 2017-09-21 |
MY169410A (en) | 2019-04-01 |
KR101991421B1 (ko) | 2019-06-21 |
US20160180854A1 (en) | 2016-06-23 |
PL3011560T3 (pl) | 2019-01-31 |
BR112015031605B1 (pt) | 2022-03-29 |
AU2014283285A1 (en) | 2016-02-11 |
SG11201510458UA (en) | 2016-01-28 |
TW201513097A (zh) | 2015-04-01 |
TWI564883B (zh) | 2017-01-01 |
BR112015031605A2 (pt) | 2017-07-25 |
US10096322B2 (en) | 2018-10-09 |
MX2015017846A (es) | 2016-04-18 |
KR20160024920A (ko) | 2016-03-07 |
KR20170124590A (ko) | 2017-11-10 |
US20190027153A1 (en) | 2019-01-24 |
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Legal Events
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