CA2957855C - Concept for switching of sampling rates at audio processing devices - Google Patents
Concept for switching of sampling rates at audio processing devices Download PDFInfo
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- CA2957855C CA2957855C CA2957855A CA2957855A CA2957855C CA 2957855 C CA2957855 C CA 2957855C CA 2957855 A CA2957855 A CA 2957855A CA 2957855 A CA2957855 A CA 2957855A CA 2957855 C CA2957855 C CA 2957855C
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- audio frame
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- decoded audio
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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
- 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
- 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
-
- 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
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- 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
-
- 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
-
- 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
- G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0002—Codebook adaptations
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14181307.1 | 2014-08-18 | ||
| EP14181307.1A EP2988300A1 (en) | 2014-08-18 | 2014-08-18 | Switching of sampling rates at audio processing devices |
| PCT/EP2015/068778 WO2016026788A1 (en) | 2014-08-18 | 2015-08-14 | Concept for switching of sampling rates at audio processing devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2957855A1 CA2957855A1 (en) | 2016-02-25 |
| CA2957855C true CA2957855C (en) | 2020-05-12 |
Family
ID=51352467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2957855A Active CA2957855C (en) | 2014-08-18 | 2015-08-14 | Concept for switching of sampling rates at audio processing devices |
Country Status (18)
| Country | Link |
|---|---|
| US (3) | US10783898B2 (cg-RX-API-DMAC7.html) |
| EP (4) | EP2988300A1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP6349458B2 (cg-RX-API-DMAC7.html) |
| KR (1) | KR102120355B1 (cg-RX-API-DMAC7.html) |
| CN (2) | CN113724719B (cg-RX-API-DMAC7.html) |
| AR (1) | AR101578A1 (cg-RX-API-DMAC7.html) |
| AU (1) | AU2015306260B2 (cg-RX-API-DMAC7.html) |
| BR (1) | BR112017002947B1 (cg-RX-API-DMAC7.html) |
| CA (1) | CA2957855C (cg-RX-API-DMAC7.html) |
| ES (3) | ES3049391T3 (cg-RX-API-DMAC7.html) |
| MX (1) | MX360557B (cg-RX-API-DMAC7.html) |
| MY (1) | MY187283A (cg-RX-API-DMAC7.html) |
| PL (3) | PL4328908T3 (cg-RX-API-DMAC7.html) |
| PT (1) | PT3183729T (cg-RX-API-DMAC7.html) |
| RU (1) | RU2690754C2 (cg-RX-API-DMAC7.html) |
| SG (1) | SG11201701267XA (cg-RX-API-DMAC7.html) |
| TW (1) | TWI587291B (cg-RX-API-DMAC7.html) |
| WO (1) | WO2016026788A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR122020015614B1 (pt) | 2014-04-17 | 2022-06-07 | Voiceage Evs Llc | Método e dispositivo para interpolar parâmetros de filtro de predição linear em um quadro de processamento de sinal sonoro atual seguindo um quadro de processamento de sinal sonoro anterior |
| EP2988300A1 (en) * | 2014-08-18 | 2016-02-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Switching of sampling rates at audio processing devices |
| EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
| EP3483883A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
| WO2019091576A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits |
| EP3483884A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| WO2019091573A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters |
| EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
| EP3483878A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder supporting a set of different loss concealment tools |
| EP3483879A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Analysis/synthesis windowing function for modulated lapped transformation |
| EP3483886A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selecting pitch lag |
| US11601483B2 (en) * | 2018-02-14 | 2023-03-07 | Genband Us Llc | System, methods, and computer program products for selecting codec parameters |
Family Cites Families (30)
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| US3982070A (en) * | 1974-06-05 | 1976-09-21 | Bell Telephone Laboratories, Incorporated | Phase vocoder speech synthesis system |
| JPS60224341A (ja) * | 1984-04-20 | 1985-11-08 | Nippon Telegr & Teleph Corp <Ntt> | 音声符号化方法 |
| US5956674A (en) * | 1995-12-01 | 1999-09-21 | Digital Theater Systems, Inc. | Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels |
| JP3134817B2 (ja) * | 1997-07-11 | 2001-02-13 | 日本電気株式会社 | 音声符号化復号装置 |
| US7446774B1 (en) * | 1998-11-09 | 2008-11-04 | Broadcom Corporation | Video and graphics system with an integrated system bridge controller |
| TW479220B (en) * | 1998-11-10 | 2002-03-11 | Tdk Corp | Digital audio recording and reproducing apparatus |
| MXPA01010913A (es) | 1999-04-30 | 2002-05-06 | Thomson Licensing Sa | Metodo y aparato para procesar datos de audio digitalmente codificados. |
| US6829579B2 (en) | 2002-01-08 | 2004-12-07 | Dilithium Networks, Inc. | Transcoding method and system between CELP-based speech codes |
| JP2004023598A (ja) * | 2002-06-19 | 2004-01-22 | Matsushita Electric Ind Co Ltd | 音声データ記録再生装置 |
| JP3947191B2 (ja) * | 2004-10-26 | 2007-07-18 | ソニー株式会社 | 予測係数生成装置及び予測係数生成方法 |
| JP4639073B2 (ja) * | 2004-11-18 | 2011-02-23 | キヤノン株式会社 | オーディオ信号符号化装置および方法 |
| US7489259B2 (en) * | 2006-08-01 | 2009-02-10 | Creative Technology Ltd. | Sample rate converter and method to perform sample rate conversion |
| CN101361113B (zh) * | 2006-08-15 | 2011-11-30 | 美国博通公司 | 丢包后的约束和受控解码 |
| DE602006013359D1 (de) * | 2006-09-13 | 2010-05-12 | Ericsson Telefon Ab L M | Ender und empfänger |
| CN101025918B (zh) * | 2007-01-19 | 2011-06-29 | 清华大学 | 一种语音/音乐双模编解码无缝切换方法 |
| GB2455526A (en) * | 2007-12-11 | 2009-06-17 | Sony Corp | Generating water marked copies of audio signals and detecting them using a shuffle data store |
| WO2010003532A1 (en) * | 2008-07-11 | 2010-01-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme |
| KR101325335B1 (ko) * | 2008-07-11 | 2013-11-08 | 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 | 오디오 샘플 인코드 및 디코드용 오디오 인코더 및 디코더 |
| US8140342B2 (en) | 2008-12-29 | 2012-03-20 | Motorola Mobility, Inc. | Selective scaling mask computation based on peak detection |
| EP4362014B1 (en) * | 2009-10-20 | 2025-04-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio signal decoder, corresponding method and computer program |
| GB2476041B (en) * | 2009-12-08 | 2017-03-01 | Skype | Encoding and decoding speech signals |
| CN102222505B (zh) * | 2010-04-13 | 2012-12-19 | 中兴通讯股份有限公司 | 可分层音频编解码方法系统及瞬态信号可分层编解码方法 |
| CN102783034B (zh) * | 2011-02-01 | 2014-12-17 | 华为技术有限公司 | 用于提供信号处理系数的方法和设备 |
| US9037456B2 (en) * | 2011-07-26 | 2015-05-19 | Google Technology Holdings LLC | Method and apparatus for audio coding and decoding |
| US9594536B2 (en) * | 2011-12-29 | 2017-03-14 | Ati Technologies Ulc | Method and apparatus for electronic device communication |
| US9043201B2 (en) * | 2012-01-03 | 2015-05-26 | Google Technology Holdings LLC | Method and apparatus for processing audio frames to transition between different codecs |
| FR3013496A1 (fr) * | 2013-11-15 | 2015-05-22 | Orange | Transition d'un codage/decodage par transformee vers un codage/decodage predictif |
| BR122020015614B1 (pt) * | 2014-04-17 | 2022-06-07 | Voiceage Evs Llc | Método e dispositivo para interpolar parâmetros de filtro de predição linear em um quadro de processamento de sinal sonoro atual seguindo um quadro de processamento de sinal sonoro anterior |
| FR3023646A1 (fr) * | 2014-07-11 | 2016-01-15 | Orange | Mise a jour des etats d'un post-traitement a une frequence d'echantillonnage variable selon la trame |
| EP2988300A1 (en) * | 2014-08-18 | 2016-02-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Switching of sampling rates at audio processing devices |
-
2014
- 2014-08-18 EP EP14181307.1A patent/EP2988300A1/en not_active Withdrawn
-
2015
- 2015-08-14 WO PCT/EP2015/068778 patent/WO2016026788A1/en not_active Ceased
- 2015-08-14 CN CN202110649437.8A patent/CN113724719B/zh active Active
- 2015-08-14 EP EP24151606.1A patent/EP4328908B1/en active Active
- 2015-08-14 JP JP2017510309A patent/JP6349458B2/ja active Active
- 2015-08-14 TW TW104126634A patent/TWI587291B/zh active
- 2015-08-14 ES ES24151606T patent/ES3049391T3/es active Active
- 2015-08-14 EP EP15750069.5A patent/EP3183729B1/en active Active
- 2015-08-14 ES ES15750069T patent/ES2828949T3/es active Active
- 2015-08-14 CA CA2957855A patent/CA2957855C/en active Active
- 2015-08-14 CN CN201580044544.0A patent/CN106663443B/zh active Active
- 2015-08-14 SG SG11201701267XA patent/SG11201701267XA/en unknown
- 2015-08-14 MX MX2017002108A patent/MX360557B/es active IP Right Grant
- 2015-08-14 PL PL24151606.1T patent/PL4328908T3/pl unknown
- 2015-08-14 PL PL20185071.6T patent/PL3739580T3/pl unknown
- 2015-08-14 BR BR112017002947-2A patent/BR112017002947B1/pt active IP Right Grant
- 2015-08-14 PT PT157500695T patent/PT3183729T/pt unknown
- 2015-08-14 ES ES20185071T patent/ES2980944T3/es active Active
- 2015-08-14 AU AU2015306260A patent/AU2015306260B2/en active Active
- 2015-08-14 RU RU2017108839A patent/RU2690754C2/ru active
- 2015-08-14 KR KR1020177006373A patent/KR102120355B1/ko active Active
- 2015-08-14 PL PL15750069T patent/PL3183729T3/pl unknown
- 2015-08-14 MY MYPI2017000248A patent/MY187283A/en unknown
- 2015-08-14 EP EP20185071.6A patent/EP3739580B1/en active Active
- 2015-08-18 AR ARP150102651A patent/AR101578A1/es active IP Right Grant
-
2017
- 2017-02-10 US US15/430,178 patent/US10783898B2/en active Active
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2020
- 2020-08-18 US US16/996,671 patent/US11443754B2/en active Active
-
2022
- 2022-08-05 US US17/882,363 patent/US11830511B2/en active Active
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