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)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (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 (17)
| 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) |
| 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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2642894C2 (ru) * | 2013-06-21 | 2018-01-29 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Аудиодекодер, имеющий модуль расширения полосы частот с модулем регулирования энергии |
| CN105900170B (zh) * | 2014-01-07 | 2020-03-10 | 哈曼国际工业有限公司 | 压缩音频信号的以信号质量为基础的增强和补偿 |
| RU2745298C1 (ru) | 2017-10-27 | 2021-03-23 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство, способ или компьютерная программа для генерации аудиосигнала с расширенной полосой с использованием процессора нейронной сети |
| 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 |
| EP4567789A4 (en) * | 2022-10-12 | 2025-07-30 | Samsung Electronics Co Ltd | ELECTRONIC DEVICE AND METHOD FOR ADAPTIVELY PROCESSING AN AUDIO BIT STREAM AND NON-TRANSSITORY COMPUTER-READABLE STORAGE MEDIUM |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| JP5129117B2 (ja) | 2005-04-01 | 2013-01-23 | クゥアルコム・インコーポレイテッド | 音声信号の高帯域部分を符号化及び復号する方法及び装置 |
| 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 |
| CA2730200C (en) * | 2008-07-11 | 2016-09-27 | Max Neuendorf | An apparatus and a method for generating bandwidth extension output data |
| 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 |
| US9047875B2 (en) * | 2010-07-19 | 2015-06-02 | Futurewei Technologies, Inc. | Spectrum flatness control for bandwidth extension |
| DK2765572T3 (da) * | 2010-07-19 | 2017-11-06 | Dolby Int Ab | Behandling af audiosignaler under højfrekvens-rekonstruktion |
| 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 |
| EP2950308B1 (en) * | 2013-01-22 | 2020-02-19 | Panasonic Corporation | Bandwidth expansion parameter-generator, encoder, decoder, bandwidth expansion parameter-generating method, encoding method, and decoding method |
| RU2642894C2 (ru) * | 2013-06-21 | 2018-01-29 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Аудиодекодер, имеющий модуль расширения полосы частот с модулем регулирования энергии |
-
2014
- 2014-06-18 RU RU2016101607A patent/RU2642894C2/ru active
- 2014-06-18 SG SG11201510458UA patent/SG11201510458UA/en unknown
- 2014-06-18 CN CN201480035519.1A patent/CN105431898B/zh active Active
- 2014-06-18 JP JP2016520479A patent/JP6228298B2/ja active Active
- 2014-06-18 KR KR1020167001236A patent/KR101991421B1/ko active Active
- 2014-06-18 EP EP14733125.0A patent/EP3011560B1/en active Active
- 2014-06-18 CA CA2915001A patent/CA2915001C/en active Active
- 2014-06-18 AU AU2014283285A patent/AU2014283285B2/en active Active
- 2014-06-18 MY MYPI2015002997A patent/MY169410A/en unknown
- 2014-06-18 ES ES14733125T patent/ES2697474T3/es active Active
- 2014-06-18 KR KR1020177028465A patent/KR20170124590A/ko not_active Ceased
- 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 PT PT14733125T patent/PT3011560T/pt unknown
- 2014-06-18 PL PL14733125T patent/PL3011560T3/pl unknown
- 2014-06-18 WO PCT/EP2014/062902 patent/WO2014202701A1/en not_active Ceased
- 2014-06-20 TW TW103121378A patent/TWI564883B/zh active
-
2015
- 2015-12-18 US US14/974,253 patent/US10096322B2/en active Active
-
2018
- 2018-09-27 US US16/144,517 patent/US20190027153A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CA2915001C (en) | 2019-04-02 |
| MX2015017846A (es) | 2016-04-18 |
| CA2915001A1 (en) | 2014-12-24 |
| KR20170124590A (ko) | 2017-11-10 |
| JP2016530548A (ja) | 2016-09-29 |
| CN105431898A (zh) | 2016-03-23 |
| EP3011560A1 (en) | 2016-04-27 |
| TW201513097A (zh) | 2015-04-01 |
| BR112015031605A2 (pt) | 2017-07-25 |
| EP3011560B1 (en) | 2018-08-01 |
| PT3011560T (pt) | 2018-11-09 |
| SG11201510458UA (en) | 2016-01-28 |
| JP6228298B2 (ja) | 2017-11-08 |
| PL3011560T3 (pl) | 2019-01-31 |
| MY169410A (en) | 2019-04-01 |
| AU2014283285A1 (en) | 2016-02-11 |
| US20160180854A1 (en) | 2016-06-23 |
| ES2697474T3 (es) | 2019-01-24 |
| HK1224368A1 (en) | 2017-08-18 |
| RU2642894C2 (ru) | 2018-01-29 |
| RU2016101607A (ru) | 2017-07-26 |
| KR101991421B1 (ko) | 2019-06-21 |
| WO2014202701A1 (en) | 2014-12-24 |
| KR20160024920A (ko) | 2016-03-07 |
| TWI564883B (zh) | 2017-01-01 |
| AU2014283285B2 (en) | 2017-09-21 |
| BR112015031605B1 (pt) | 2022-03-29 |
| CN105431898B (zh) | 2019-09-06 |
| US20190027153A1 (en) | 2019-01-24 |
| US10096322B2 (en) | 2018-10-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Grant or registration |