BR112015004556A2 - aparelho e método para reproduzir um sinal de áudio, aparelho e método para gerar um sinal de áudio codificado, programa de computador e sinal de áudio codificado - Google Patents
aparelho e método para reproduzir um sinal de áudio, aparelho e método para gerar um sinal de áudio codificado, programa de computador e sinal de áudio codificadoInfo
- Publication number
- BR112015004556A2 BR112015004556A2 BR112015004556A BR112015004556A BR112015004556A2 BR 112015004556 A2 BR112015004556 A2 BR 112015004556A2 BR 112015004556 A BR112015004556 A BR 112015004556A BR 112015004556 A BR112015004556 A BR 112015004556A BR 112015004556 A2 BR112015004556 A2 BR 112015004556A2
- Authority
- BR
- Brazil
- Prior art keywords
- audio signal
- encoded audio
- reproducing
- generating
- computer program
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title 3
- 238000000034 method Methods 0.000 title 2
- 238000004590 computer program Methods 0.000 title 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
- G10L19/26—Pre-filtering or post-filtering
- G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
- 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)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261693575P | 2012-08-27 | 2012-08-27 | |
| US61/693,575 | 2012-08-27 | ||
| EP12187265.9A EP2704142B1 (en) | 2012-08-27 | 2012-10-04 | Apparatus and method for reproducing an audio signal, apparatus and method for generating a coded audio signal, computer program and coded audio signal |
| EP12187265.9 | 2012-10-04 | ||
| PCT/EP2013/067730 WO2014033131A1 (en) | 2012-08-27 | 2013-08-27 | Apparatus and method for reproducing an audio signal, apparatus and method for generating a coded audio signal, computer program and coded audio signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112015004556A2 true BR112015004556A2 (pt) | 2017-07-04 |
| BR112015004556B1 BR112015004556B1 (pt) | 2021-10-13 |
Family
ID=47010331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112015004556-1A BR112015004556B1 (pt) | 2012-08-27 | 2013-08-27 | Aparelho e método para reproduzir um sinal de áudio, aparelho e método para gerar um sinal de áudio codificado |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US9305564B2 (pt) |
| EP (2) | EP2704142B1 (pt) |
| JP (1) | JP6229957B2 (pt) |
| KR (1) | KR101711312B1 (pt) |
| CN (1) | CN104603872B (pt) |
| AR (1) | AR092228A1 (pt) |
| BR (1) | BR112015004556B1 (pt) |
| CA (1) | CA2882775C (pt) |
| ES (2) | ES2549953T3 (pt) |
| MX (1) | MX347592B (pt) |
| PL (1) | PL2888737T3 (pt) |
| PT (1) | PT2888737T (pt) |
| RU (1) | RU2607262C2 (pt) |
| TW (1) | TWI523004B (pt) |
| WO (1) | WO2014033131A1 (pt) |
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| TWI618050B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於音訊處理系統中之訊號去相關的方法及設備 |
| TWI618051B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置 |
| WO2014126688A1 (en) * | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
| JP6242489B2 (ja) * | 2013-07-29 | 2017-12-06 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 脱相関器における過渡信号についての時間的アーチファクトを軽減するシステムおよび方法 |
| US9831843B1 (en) | 2013-09-05 | 2017-11-28 | Cirrus Logic, Inc. | Opportunistic playback state changes for audio devices |
| US9774342B1 (en) | 2014-03-05 | 2017-09-26 | Cirrus Logic, Inc. | Multi-path analog front end and analog-to-digital converter for a signal processing system |
| US10284217B1 (en) | 2014-03-05 | 2019-05-07 | Cirrus Logic, Inc. | Multi-path analog front end and analog-to-digital converter for a signal processing system |
| US10785568B2 (en) | 2014-06-26 | 2020-09-22 | Cirrus Logic, Inc. | Reducing audio artifacts in a system for enhancing dynamic range of audio signal path |
| EP2980792A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for generating an enhanced signal using independent noise-filling |
| EP2980789A1 (en) | 2014-07-30 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for enhancing an audio signal, sound enhancing system |
| US9596537B2 (en) | 2014-09-11 | 2017-03-14 | Cirrus Logic, Inc. | Systems and methods for reduction of audio artifacts in an audio system with dynamic range enhancement |
| CN104195726B (zh) * | 2014-09-23 | 2016-04-13 | 宜兴市华恒高性能纤维织造有限公司 | 一种自动化2.5d立体编织装置 |
| US9503027B2 (en) | 2014-10-27 | 2016-11-22 | Cirrus Logic, Inc. | Systems and methods for dynamic range enhancement using an open-loop modulator in parallel with a closed-loop modulator |
| EP3308378B1 (en) * | 2015-06-11 | 2019-09-11 | Interactive Intelligence Group, Inc. | System and method for outlier identification to remove poor alignments in speech synthesis |
| US9959856B2 (en) | 2015-06-15 | 2018-05-01 | Cirrus Logic, Inc. | Systems and methods for reducing artifacts and improving performance of a multi-path analog-to-digital converter |
| US9955254B2 (en) | 2015-11-25 | 2018-04-24 | Cirrus Logic, Inc. | Systems and methods for preventing distortion due to supply-based modulation index changes in an audio playback system |
| US9543975B1 (en) | 2015-12-29 | 2017-01-10 | Cirrus Logic, Inc. | Multi-path analog front end and analog-to-digital converter for a signal processing system with low-pass filter between paths |
| US9880802B2 (en) | 2016-01-21 | 2018-01-30 | Cirrus Logic, Inc. | Systems and methods for reducing audio artifacts from switching between paths of a multi-path signal processing system |
| US9998826B2 (en) | 2016-06-28 | 2018-06-12 | Cirrus Logic, Inc. | Optimization of performance and power in audio system |
| US10545561B2 (en) | 2016-08-10 | 2020-01-28 | Cirrus Logic, Inc. | Multi-path digitation based on input signal fidelity and output requirements |
| US10263630B2 (en) | 2016-08-11 | 2019-04-16 | Cirrus Logic, Inc. | Multi-path analog front end with adaptive path |
| US9813814B1 (en) | 2016-08-23 | 2017-11-07 | Cirrus Logic, Inc. | Enhancing dynamic range based on spectral content of signal |
| US9780800B1 (en) | 2016-09-19 | 2017-10-03 | Cirrus Logic, Inc. | Matching paths in a multiple path analog-to-digital converter |
| US9929703B1 (en) | 2016-09-27 | 2018-03-27 | Cirrus Logic, Inc. | Amplifier with configurable final output stage |
| US9967665B2 (en) * | 2016-10-05 | 2018-05-08 | Cirrus Logic, Inc. | Adaptation of dynamic range enhancement based on noise floor of signal |
| EP3382703A1 (en) | 2017-03-31 | 2018-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and methods for processing an audio signal |
| US10321230B2 (en) | 2017-04-07 | 2019-06-11 | Cirrus Logic, Inc. | Switching in an audio system with multiple playback paths |
| US10008992B1 (en) | 2017-04-14 | 2018-06-26 | Cirrus Logic, Inc. | Switching in amplifier with configurable final output stage |
| US9917557B1 (en) | 2017-04-17 | 2018-03-13 | Cirrus Logic, Inc. | Calibration for amplifier with configurable final output stage |
| EP3435376B1 (en) * | 2017-07-28 | 2020-01-22 | Fujitsu Limited | Audio encoding apparatus and audio encoding method |
| US11158297B2 (en) * | 2020-01-13 | 2021-10-26 | International Business Machines Corporation | Timbre creation system |
| GB202203733D0 (en) * | 2022-03-17 | 2022-05-04 | Samsung Electronics Co Ltd | Patched multi-condition training for robust speech recognition |
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| US5757973A (en) * | 1991-01-11 | 1998-05-26 | Sony Corporation | Compression of image data seperated into frequency component data in a two dimensional spatial frequency domain |
| US5455888A (en) | 1992-12-04 | 1995-10-03 | Northern Telecom Limited | Speech bandwidth extension method and apparatus |
| GB9512284D0 (en) * | 1995-06-16 | 1995-08-16 | Nokia Mobile Phones Ltd | Speech Synthesiser |
| JPH10124088A (ja) | 1996-10-24 | 1998-05-15 | Sony Corp | 音声帯域幅拡張装置及び方法 |
| SE512719C2 (sv) | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
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| US20070038439A1 (en) * | 2003-04-17 | 2007-02-15 | Koninklijke Philips Electronics N.V. Groenewoudseweg 1 | Audio signal generation |
| RU2005135650A (ru) * | 2003-04-17 | 2006-03-20 | Конинклейке Филипс Электроникс Н.В. (Nl) | Синтез аудиосигнала |
| SE0402652D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Methods for improved performance of prediction based multi- channel reconstruction |
| JP4821131B2 (ja) * | 2005-02-22 | 2011-11-24 | 沖電気工業株式会社 | 音声帯域拡張装置 |
| 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 |
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| MY154452A (en) * | 2008-07-11 | 2015-06-15 | Fraunhofer Ges Forschung | An apparatus and a method for decoding an encoded audio signal |
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| ES2796552T3 (es) * | 2008-07-11 | 2020-11-27 | Fraunhofer Ges Forschung | Sintetizador de señales de audio y codificador de señales de audio |
| JP5010743B2 (ja) * | 2008-07-11 | 2012-08-29 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | スペクトル傾斜で制御されたフレーミングを使用して帯域拡張データを計算するための装置及び方法 |
| EP2239732A1 (en) * | 2009-04-09 | 2010-10-13 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Apparatus and method for generating a synthesis audio signal and for encoding an audio signal |
| JP4932917B2 (ja) * | 2009-04-03 | 2012-05-16 | 株式会社エヌ・ティ・ティ・ドコモ | 音声復号装置、音声復号方法、及び音声復号プログラム |
| EP2502229B1 (en) * | 2009-11-19 | 2017-08-09 | Telefonaktiebolaget LM Ericsson (publ) | Methods and arrangements for loudness and sharpness compensation in audio codecs |
| JP5651980B2 (ja) * | 2010-03-31 | 2015-01-14 | ソニー株式会社 | 復号装置、復号方法、およびプログラム |
| WO2011148230A1 (en) * | 2010-05-25 | 2011-12-01 | Nokia Corporation | A bandwidth extender |
| KR101697550B1 (ko) * | 2010-09-16 | 2017-02-02 | 삼성전자주식회사 | 멀티채널 오디오 대역폭 확장 장치 및 방법 |
| US9117440B2 (en) * | 2011-05-19 | 2015-08-25 | Dolby International Ab | Method, apparatus, and medium for detecting frequency extension coding in the coding history of an audio signal |
-
2012
- 2012-10-04 ES ES12187265.9T patent/ES2549953T3/es active Active
- 2012-10-04 EP EP12187265.9A patent/EP2704142B1/en active Active
-
2013
- 2013-08-26 TW TW102130443A patent/TWI523004B/zh active
- 2013-08-26 AR ARP130103011A patent/AR092228A1/es active IP Right Grant
- 2013-08-27 ES ES13756417.5T patent/ES2593072T3/es active Active
- 2013-08-27 CN CN201380045118.XA patent/CN104603872B/zh active Active
- 2013-08-27 RU RU2015110702A patent/RU2607262C2/ru active
- 2013-08-27 EP EP13756417.5A patent/EP2888737B1/en active Active
- 2013-08-27 WO PCT/EP2013/067730 patent/WO2014033131A1/en active Application Filing
- 2013-08-27 PL PL13756417.5T patent/PL2888737T3/pl unknown
- 2013-08-27 KR KR1020157007971A patent/KR101711312B1/ko active IP Right Grant
- 2013-08-27 MX MX2015002509A patent/MX347592B/es active IP Right Grant
- 2013-08-27 CA CA2882775A patent/CA2882775C/en active Active
- 2013-08-27 PT PT137564175T patent/PT2888737T/pt unknown
- 2013-08-27 BR BR112015004556-1A patent/BR112015004556B1/pt active IP Right Grant
- 2013-08-27 JP JP2015528988A patent/JP6229957B2/ja active Active
-
2015
- 2015-02-27 US US14/634,118 patent/US9305564B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| MX2015002509A (es) | 2015-06-10 |
| JP6229957B2 (ja) | 2017-11-15 |
| EP2704142B1 (en) | 2015-09-02 |
| CA2882775A1 (en) | 2014-03-06 |
| EP2704142A1 (en) | 2014-03-05 |
| EP2888737A1 (en) | 2015-07-01 |
| TW201419269A (zh) | 2014-05-16 |
| WO2014033131A1 (en) | 2014-03-06 |
| RU2015110702A (ru) | 2016-10-20 |
| RU2607262C2 (ru) | 2017-01-10 |
| JP2015526769A (ja) | 2015-09-10 |
| PL2888737T3 (pl) | 2016-12-30 |
| ES2549953T3 (es) | 2015-11-03 |
| CA2882775C (en) | 2017-08-29 |
| TWI523004B (zh) | 2016-02-21 |
| KR20150047607A (ko) | 2015-05-04 |
| EP2888737B1 (en) | 2016-06-22 |
| CN104603872B (zh) | 2017-08-11 |
| ES2593072T3 (es) | 2016-12-05 |
| BR112015004556B1 (pt) | 2021-10-13 |
| MX347592B (es) | 2017-05-03 |
| CN104603872A (zh) | 2015-05-06 |
| KR101711312B1 (ko) | 2017-02-28 |
| US9305564B2 (en) | 2016-04-05 |
| PT2888737T (pt) | 2016-10-04 |
| AR092228A1 (es) | 2015-04-08 |
| US20150170663A1 (en) | 2015-06-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
| B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
| B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 27/08/2013, OBSERVADAS AS CONDICOES LEGAIS. |