PT3161659T - Reamostragem de um sinal de áudio para uma codificação/descodificação de baixo atraso - Google Patents
Reamostragem de um sinal de áudio para uma codificação/descodificação de baixo atrasoInfo
- Publication number
- PT3161659T PT3161659T PT157455254T PT15745525T PT3161659T PT 3161659 T PT3161659 T PT 3161659T PT 157455254 T PT157455254 T PT 157455254T PT 15745525 T PT15745525 T PT 15745525T PT 3161659 T PT3161659 T PT 3161659T
- Authority
- PT
- Portugal
- Prior art keywords
- resampling
- interpolation
- decoding
- low
- audio signal
- Prior art date
Links
- 238000012952 Resampling Methods 0.000 title 1
- 230000005236 sound signal Effects 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
- G10L19/16—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
- G06—COMPUTING; CALCULATING OR 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
- G06F17/17—Function evaluation by approximation methods, e.g. inter- or extrapolation, smoothing, least mean square method
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F17/11—Complex mathematical operations for solving equations, e.g. nonlinear equations, general mathematical optimization problems
-
- 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
- G10L19/04—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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0248—Filters characterised by a particular frequency response or filtering method
- H03H17/028—Polynomial filters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Data Mining & Analysis (AREA)
- Algebra (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Signal Processing (AREA)
- Software Systems (AREA)
- Quality & Reliability (AREA)
- General Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Computer Hardware Design (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Operations Research (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1456077A FR3023036A1 (fr) | 2014-06-27 | 2014-06-27 | Re-echantillonnage par interpolation d'un signal audio pour un codage / decodage a bas retard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PT3161659T true PT3161659T (pt) | 2022-10-17 |
Family
ID=52450224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT157455254T PT3161659T (pt) | 2014-06-27 | 2015-06-25 | Reamostragem de um sinal de áudio para uma codificação/descodificação de baixo atraso |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US10510357B2 (pt) |
| EP (2) | EP4047492A1 (pt) |
| JP (1) | JP6641302B2 (pt) |
| KR (1) | KR102304285B1 (pt) |
| CN (1) | CN106462557B (pt) |
| ES (1) | ES2928307T3 (pt) |
| FR (1) | FR3023036A1 (pt) |
| PL (1) | PL3161659T3 (pt) |
| PT (1) | PT3161659T (pt) |
| WO (1) | WO2015197989A1 (pt) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2513884B (en) | 2013-05-08 | 2015-06-17 | Univ Bristol | Method and apparatus for producing an acoustic field |
| FR3011408A1 (fr) * | 2013-09-30 | 2015-04-03 | Orange | Re-echantillonnage d'un signal audio pour un codage/decodage a bas retard |
| EP2980794A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder using a frequency domain processor and a time domain processor |
| EP2980795A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
| GB2530036A (en) | 2014-09-09 | 2016-03-16 | Ultrahaptics Ltd | Method and apparatus for modulating haptic feedback |
| FR3025923A1 (fr) * | 2014-09-12 | 2016-03-18 | Orange | Discrimination et attenuation de pre-echos dans un signal audionumerique |
| CA2976319C (en) | 2015-02-20 | 2023-06-27 | Ultrahaptics Ip Limited | Algorithm improvements in a haptic system |
| ES2896875T3 (es) | 2015-02-20 | 2022-02-28 | Ultrahaptics Ip Ltd | Percepciones en un sistema háptico |
| US10818162B2 (en) | 2015-07-16 | 2020-10-27 | Ultrahaptics Ip Ltd | Calibration techniques in haptic systems |
| US10268275B2 (en) | 2016-08-03 | 2019-04-23 | Ultrahaptics Ip Ltd | Three-dimensional perceptions in haptic systems |
| US10943578B2 (en) | 2016-12-13 | 2021-03-09 | Ultrahaptics Ip Ltd | Driving techniques for phased-array systems |
| US11531395B2 (en) | 2017-11-26 | 2022-12-20 | Ultrahaptics Ip Ltd | Haptic effects from focused acoustic fields |
| US11704983B2 (en) | 2017-12-22 | 2023-07-18 | Ultrahaptics Ip Ltd | Minimizing unwanted responses in haptic systems |
| WO2019122912A1 (en) | 2017-12-22 | 2019-06-27 | Ultrahaptics Limited | Tracking in haptic systems |
| KR20210002703A (ko) | 2018-05-02 | 2021-01-08 | 울트라햅틱스 아이피 엘티디 | 개선된 음향 전송 효율을 위한 차단 플레이트 구조체 |
| US11098951B2 (en) | 2018-09-09 | 2021-08-24 | Ultrahaptics Ip Ltd | Ultrasonic-assisted liquid manipulation |
| US11378997B2 (en) * | 2018-10-12 | 2022-07-05 | Ultrahaptics Ip Ltd | Variable phase and frequency pulse-width modulation technique |
| EP3906462A2 (en) | 2019-01-04 | 2021-11-10 | Ultrahaptics IP Ltd | Mid-air haptic textures |
| US11842517B2 (en) | 2019-04-12 | 2023-12-12 | Ultrahaptics Ip Ltd | Using iterative 3D-model fitting for domain adaptation of a hand-pose-estimation neural network |
| CN110557226A (zh) * | 2019-09-05 | 2019-12-10 | 北京云中融信网络科技有限公司 | 一种音频传输方法和装置 |
| AU2020368678A1 (en) | 2019-10-13 | 2022-05-19 | Ultraleap Limited | Dynamic capping with virtual microphones |
| US11374586B2 (en) | 2019-10-13 | 2022-06-28 | Ultraleap Limited | Reducing harmonic distortion by dithering |
| US11715453B2 (en) | 2019-12-25 | 2023-08-01 | Ultraleap Limited | Acoustic transducer structures |
| CN111478952B (zh) * | 2020-03-26 | 2023-05-12 | 宁波泰芯微电子有限公司 | 用于处理采样点的通信设备及方法 |
| US11816267B2 (en) | 2020-06-23 | 2023-11-14 | Ultraleap Limited | Features of airborne ultrasonic fields |
| WO2022058738A1 (en) | 2020-09-17 | 2022-03-24 | Ultraleap Limited | Ultrahapticons |
| CN112562701B (zh) * | 2020-11-16 | 2023-03-28 | 华南理工大学 | 心音信号双通道自适应降噪算法、装置、介质及设备 |
| CN114844553B (zh) * | 2022-03-29 | 2023-03-10 | 北京航空航天大学 | 应用于高速传输的基于先验滤波的单倍码元速率采样方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3223280B2 (ja) * | 1993-03-31 | 2001-10-29 | カシオ計算機株式会社 | 波形データ補間装置 |
| JPH07235861A (ja) * | 1993-12-08 | 1995-09-05 | Nokia Mobile Phones Ltd | 加重平均を使用したサンプリング周波数変換方法 |
| JP3572769B2 (ja) * | 1995-11-30 | 2004-10-06 | ソニー株式会社 | ディジタルオーディオ信号処理装置および方法 |
| US5949695A (en) * | 1997-01-10 | 1999-09-07 | Harris Corporation | Interpolator using a plurality of polynomial equations and associated methods |
| KR100664929B1 (ko) * | 2004-10-21 | 2007-01-04 | 삼성전자주식회사 | 다 계층 기반의 비디오 코더에서 모션 벡터를 효율적으로압축하는 방법 및 장치 |
| EP2442479B1 (en) * | 2006-01-05 | 2014-04-23 | THAT Corporation | Nicam audio signal resampler |
| US8126578B2 (en) * | 2007-09-26 | 2012-02-28 | University Of Washington | Clipped-waveform repair in acoustic signals using generalized linear prediction |
| EP2107556A1 (en) * | 2008-04-04 | 2009-10-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio transform coding using pitch correction |
| EP2389620A1 (en) * | 2009-01-20 | 2011-11-30 | TouchSensor Technologies, L.L.C. | User interface with means for light bleed mitigation |
| KR101747917B1 (ko) * | 2010-10-18 | 2017-06-15 | 삼성전자주식회사 | 선형 예측 계수를 양자화하기 위한 저복잡도를 가지는 가중치 함수 결정 장치 및 방법 |
| FR2969805A1 (fr) * | 2010-12-23 | 2012-06-29 | France Telecom | Codage bas retard alternant codage predictif et codage par transformee |
| CN202309690U (zh) * | 2011-08-06 | 2012-07-04 | 桂林市思奇通信设备有限公司 | 调频广播频段数字广播信号接收系统 |
| CN102394714B (zh) * | 2011-08-06 | 2014-03-12 | 桂林市思奇通信设备有限公司 | 调频广播频段数字广播信号接收方法和接收系统 |
| JP5711645B2 (ja) * | 2011-10-12 | 2015-05-07 | 旭化成株式会社 | オーディオ信号出力装置およびオーディオ信号出力方法 |
| US20150088528A1 (en) * | 2012-04-13 | 2015-03-26 | Sony Corporation | Decoding apparatus and method, audio signal processing apparatus and method, and program |
-
2014
- 2014-06-27 FR FR1456077A patent/FR3023036A1/fr active Pending
-
2015
- 2015-06-25 WO PCT/FR2015/051725 patent/WO2015197989A1/fr active Application Filing
- 2015-06-25 JP JP2016574394A patent/JP6641302B2/ja active Active
- 2015-06-25 PT PT157455254T patent/PT3161659T/pt unknown
- 2015-06-25 EP EP22167109.2A patent/EP4047492A1/fr active Pending
- 2015-06-25 KR KR1020177002490A patent/KR102304285B1/ko active IP Right Grant
- 2015-06-25 ES ES15745525T patent/ES2928307T3/es active Active
- 2015-06-25 PL PL15745525.4T patent/PL3161659T3/pl unknown
- 2015-06-25 US US15/322,312 patent/US10510357B2/en active Active
- 2015-06-25 CN CN201580034893.4A patent/CN106462557B/zh active Active
- 2015-06-25 EP EP15745525.4A patent/EP3161659B1/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| PL3161659T3 (pl) | 2022-11-21 |
| KR102304285B1 (ko) | 2021-09-17 |
| CN106462557A (zh) | 2017-02-22 |
| WO2015197989A1 (fr) | 2015-12-30 |
| ES2928307T3 (es) | 2022-11-16 |
| US20170133027A1 (en) | 2017-05-11 |
| JP6641302B2 (ja) | 2020-02-05 |
| EP3161659A1 (fr) | 2017-05-03 |
| FR3023036A1 (fr) | 2016-01-01 |
| EP4047492A1 (fr) | 2022-08-24 |
| CN106462557B (zh) | 2019-03-01 |
| US10510357B2 (en) | 2019-12-17 |
| EP3161659B1 (fr) | 2022-07-27 |
| KR20170024059A (ko) | 2017-03-06 |
| JP2017526950A (ja) | 2017-09-14 |
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