MA47232A - Intégration rétrocompatible d'un transposeur harmonique pour une reconstruction haute fréquence de signaux audio - Google Patents
Intégration rétrocompatible d'un transposeur harmonique pour une reconstruction haute fréquence de signaux audioInfo
- Publication number
- MA47232A MA47232A MA047232A MA47232A MA47232A MA 47232 A MA47232 A MA 47232A MA 047232 A MA047232 A MA 047232A MA 47232 A MA47232 A MA 47232A MA 47232 A MA47232 A MA 47232A
- Authority
- MA
- Morocco
- Prior art keywords
- retrocompatible
- integration
- high frequency
- audio signals
- frequency reconstruction
- Prior art date
Links
Classifications
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- 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
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- 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
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
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- 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
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- 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
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- 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
- G10L19/04—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
- G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Data Mining & Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Computational Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Algebra (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Detergent Compositions (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Peptides Or Proteins (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Materials For Photolithography (AREA)
- Lubricants (AREA)
- Stereophonic System (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Seasonings (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762475619P | 2017-03-23 | 2017-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MA47232A true MA47232A (fr) | 2019-10-30 |
Family
ID=63585721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MA047232A MA47232A (fr) | 2017-03-23 | 2018-03-19 | Intégration rétrocompatible d'un transposeur harmonique pour une reconstruction haute fréquence de signaux audio |
Country Status (29)
| Country | Link |
|---|---|
| US (10) | US10818306B2 (fr) |
| EP (6) | EP4528729B1 (fr) |
| JP (7) | JP6665354B2 (fr) |
| KR (8) | KR102834523B1 (fr) |
| CN (8) | CN110178180B (fr) |
| AR (6) | AR111047A1 (fr) |
| AU (8) | AU2018237070B2 (fr) |
| BR (2) | BR112019014125B1 (fr) |
| CA (5) | CA3049600C (fr) |
| CL (1) | CL2019001981A1 (fr) |
| CO (1) | CO2019008431A2 (fr) |
| EA (3) | EA036090B1 (fr) |
| EC (1) | ECSP19054232A (fr) |
| ES (4) | ES3021383T3 (fr) |
| GE (1) | GEP20217226B (fr) |
| HU (2) | HUE070839T2 (fr) |
| IL (7) | IL310208B2 (fr) |
| MA (1) | MA47232A (fr) |
| MX (7) | MX372634B (fr) |
| NZ (2) | NZ759800A (fr) |
| PE (4) | PE20251019A1 (fr) |
| PH (1) | PH12019501658A1 (fr) |
| PL (4) | PL4528728T3 (fr) |
| SA (2) | SA521431037B1 (fr) |
| SG (1) | SG11201906370TA (fr) |
| TW (7) | TWI901543B (fr) |
| UA (3) | UA126393C2 (fr) |
| WO (1) | WO2018175347A1 (fr) |
| ZA (8) | ZA201904559B (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI890652B (zh) | 2015-03-13 | 2025-07-11 | 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 |
| TWI901543B (zh) | 2017-03-23 | 2025-10-11 | 瑞典商都比國際公司 | 用於音訊信號之高頻重建的諧波轉置器的回溯相容整合 |
| TWI895201B (zh) * | 2018-01-26 | 2025-08-21 | 瑞典商都比國際公司 | 用於執行一音訊信號之高頻重建之方法、音訊處理單元及非暫時性電腦可讀媒體 |
| KR20250133479A (ko) * | 2019-08-15 | 2025-09-05 | 돌비 인터네셔널 에이비 | 수정된 오디오 비트스트림의 생성 및 처리를 위한 방법 및 디바이스 |
| CN113113032B (zh) * | 2020-01-10 | 2024-08-09 | 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 |
| WO2022158943A1 (fr) | 2021-01-25 | 2022-07-28 | 삼성전자 주식회사 | Appareil et procédé de traitement d'un signal audio multicanal |
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| SE0001926D0 (sv) * | 2000-05-23 | 2000-05-23 | Lars Liljeryd | Improved spectral translation/folding in the subband domain |
| SE0101175D0 (sv) * | 2001-04-02 | 2001-04-02 | Coding Technologies Sweden Ab | Aliasing reduction using complex-exponential-modulated filterbanks |
| US6895375B2 (en) * | 2001-10-04 | 2005-05-17 | At&T Corp. | System for bandwidth extension of Narrow-band speech |
| CN1279512C (zh) * | 2001-11-29 | 2006-10-11 | 编码技术股份公司 | 用于改善高频重建的方法和装置 |
| BR122018007834B1 (pt) * | 2003-10-30 | 2019-03-19 | Koninklijke Philips Electronics N.V. | Codificador e decodificador de áudio avançado de estéreo paramétrico combinado e de replicação de banda espectral, método de codificação avançada de áudio de estéreo paramétrico combinado e de replicação de banda espectral, sinal de áudio avançado codificado de estéreo paramétrico combinado e de replicação de banda espectral, método de decodificação avançada de áudio de estéreo paramétrico combinado e de replicação de banda espectral, e, meio de armazenamento legível por computador |
| KR100571824B1 (ko) | 2003-11-26 | 2006-04-17 | 삼성전자주식회사 | 부가정보 삽입된 ｍｐｅｇ-4 오디오 ｂｓａｃ부호화/복호화 방법 및 장치 |
| KR100587953B1 (ko) * | 2003-12-26 | 2006-06-08 | 한국전자통신연구원 | 대역-분할 광대역 음성 코덱에서의 고대역 오류 은닉 장치 및 그를 이용한 비트스트림 복호화 시스템 |
| CN101312041B (zh) * | 2004-09-17 | 2011-05-11 | 广州广晟数码技术有限公司 | 多声道数字音频编码设备及其方法 |
| ATE429698T1 (de) * | 2004-09-17 | 2009-05-15 | Harman Becker Automotive Sys | Bandbreitenerweiterung von bandbegrenzten tonsignalen |
| 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 |
| KR100818268B1 (ko) | 2005-04-14 | 2008-04-02 | 삼성전자주식회사 | 오디오 데이터 부호화 및 복호화 장치와 방법 |
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| US20080208575A1 (en) * | 2007-02-27 | 2008-08-28 | Nokia Corporation | Split-band encoding and decoding of an audio signal |
| US7885819B2 (en) * | 2007-06-29 | 2011-02-08 | Microsoft Corporation | Bitstream syntax for multi-process audio decoding |
| CN101471072B (zh) * | 2007-12-27 | 2012-01-25 | 华为技术有限公司 | 高频重建方法、编码装置和解码装置 |
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| AU2009267460B2 (en) | 2008-07-11 | 2013-01-10 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V. | Apparatus and method for generating a bandwidth extended signal |
| EP2144230A1 (fr) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Schéma de codage/décodage audio à taux bas de bits disposant des commutateurs en cascade |
| HUE064653T2 (hu) * | 2008-12-15 | 2024-04-28 | Fraunhofer Ges Forschung | Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program |
| EP4145446B1 (fr) * | 2009-01-16 | 2023-11-22 | Dolby International AB | Transposition harmonique améliorée par produit croisé |
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| PL2545551T3 (pl) * | 2010-03-09 | 2018-03-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Poprawiona charakterystyka amplitudowa i zrównanie czasowe w powiększaniu szerokości pasma na bazie wokodera fazowego dla sygnałów audio |
| US8886523B2 (en) * | 2010-04-14 | 2014-11-11 | Huawei Technologies Co., Ltd. | Audio decoding based on audio class with control code for post-processing modes |
| EP3079152B1 (fr) | 2010-07-02 | 2018-06-06 | Dolby International AB | Décodage audio avec post-filtrage sélectif |
| DK2765572T3 (da) * | 2010-07-19 | 2017-11-06 | Dolby Int Ab | Behandling af audiosignaler under højfrekvens-rekonstruktion |
| TWI476761B (zh) | 2011-04-08 | 2015-03-11 | Dolby Lab Licensing Corp | 用以產生可由實施不同解碼協定之解碼器所解碼的統一位元流之音頻編碼方法及系統 |
| SG11201505893TA (en) * | 2013-01-29 | 2015-08-28 | Fraunhofer Ges Forschung | Noise filling concept |
| RU2641461C2 (ru) * | 2013-01-29 | 2018-01-17 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Аудиокодер, аудиодекодер, способ обеспечения кодированной аудиоинформации, способ обеспечения декодированной аудиоинформации, компьютерная программа и кодированное представление с использованием сигнально-адаптивного расширения полосы пропускания |
| BR112016005167B1 (pt) * | 2013-09-12 | 2021-12-28 | Dolby International Ab | Decodificador de áudio, codificador de áudio e método para alinhamento no tempo de dados de processamento baseados em qmf |
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| TWI890652B (zh) | 2015-03-13 | 2025-07-11 | 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 |
| TWI901543B (zh) * | 2017-03-23 | 2025-10-11 | 瑞典商都比國際公司 | 用於音訊信號之高頻重建的諧波轉置器的回溯相容整合 |
| TWI895201B (zh) * | 2018-01-26 | 2025-08-21 | 瑞典商都比國際公司 | 用於執行一音訊信號之高頻重建之方法、音訊處理單元及非暫時性電腦可讀媒體 |
| IL324371A (en) * | 2018-04-25 | 2026-01-01 | Dolby Int Ab | Integration of high frequency reconstruction techniques with reduced post-processing delay |
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2018
- 2018-02-07 TW TW114112891A patent/TWI901543B/zh active
- 2018-02-07 TW TW110149287A patent/TWI807562B/zh active
- 2018-02-07 TW TW114130997A patent/TW202546814A/zh unknown
- 2018-02-07 TW TW114112877A patent/TWI901542B/zh active
- 2018-02-07 TW TW114130998A patent/TW202546815A/zh unknown
- 2018-02-07 TW TW112122579A patent/TWI873683B/zh active
- 2018-02-07 TW TW107104234A patent/TWI752166B/zh active
- 2018-02-15 AR ARP180100361A patent/AR111047A1/es active IP Right Grant
- 2018-03-19 NZ NZ759800A patent/NZ759800A/en unknown
- 2018-03-19 CA CA3049600A patent/CA3049600C/fr active Active
- 2018-03-19 KR KR1020247000374A patent/KR102834523B1/ko active Active
- 2018-03-19 EA EA201991453A patent/EA036090B1/ru unknown
- 2018-03-19 KR KR1020207005362A patent/KR102275129B1/ko active Active
- 2018-03-19 KR KR1020227013276A patent/KR102622804B1/ko active Active
- 2018-03-19 PE PE2024002128A patent/PE20251019A1/es unknown
- 2018-03-19 WO PCT/US2018/023183 patent/WO2018175347A1/fr not_active Ceased
- 2018-03-19 UA UAA201907982A patent/UA126393C2/uk unknown
- 2018-03-19 MA MA047232A patent/MA47232A/fr unknown
- 2018-03-19 EA EA202091313A patent/EA038268B1/ru unknown
- 2018-03-19 CN CN201880006745.5A patent/CN110178180B/zh active Active
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- 2018-03-19 EP EP25156639.4A patent/EP4528729B1/fr active Active
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- 2018-03-19 EP EP25210522.6A patent/EP4661002A3/fr active Pending
- 2018-03-19 KR KR1020197019117A patent/KR102083768B1/ko active Active
- 2018-03-19 CN CN202410639310.1A patent/CN118380005A/zh active Pending
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- 2018-03-19 KR KR1020217020861A patent/KR102390360B1/ko active Active
- 2018-03-19 HU HUE18770254A patent/HUE070839T2/hu unknown
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- 2018-03-19 BR BR112019014125-1A patent/BR112019014125B1/pt active IP Right Grant
- 2018-03-19 EP EP25199315.0A patent/EP4636759A3/fr active Pending
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