CN106575508B - 编码器和解码器***及提供数字音频信号的方法 - Google Patents
编码器和解码器***及提供数字音频信号的方法 Download PDFInfo
- Publication number
- CN106575508B CN106575508B CN201480081084.4A CN201480081084A CN106575508B CN 106575508 B CN106575508 B CN 106575508B CN 201480081084 A CN201480081084 A CN 201480081084A CN 106575508 B CN106575508 B CN 106575508B
- Authority
- CN
- China
- Prior art keywords
- response
- filter
- encoder
- decoder
- impulse response
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005236 sound signal Effects 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims description 33
- 230000004044 response Effects 0.000 claims abstract description 266
- 238000005070 sampling Methods 0.000 claims abstract description 141
- 230000005540 biological transmission Effects 0.000 claims description 82
- 230000001186 cumulative effect Effects 0.000 claims description 25
- 238000001228 spectrum Methods 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 17
- 230000000630 rising effect Effects 0.000 claims description 15
- 230000001629 suppression Effects 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 11
- 230000001965 increasing effect Effects 0.000 claims description 4
- 238000013500 data storage Methods 0.000 claims 1
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- 238000012937 correction Methods 0.000 description 23
- 230000000875 corresponding effect Effects 0.000 description 18
- 238000012952 Resampling Methods 0.000 description 11
- 230000008901 benefit Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000011449 brick Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001537 neural effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
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
-
- 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
-
- 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
- G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
-
- 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)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Abstract
Description
Claims (29)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/GB2014/051789 WO2015189533A1 (en) | 2014-06-10 | 2014-06-10 | Digital encapsulation of audio signals |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106575508A CN106575508A (zh) | 2017-04-19 |
CN106575508B true CN106575508B (zh) | 2021-05-25 |
Family
ID=51014560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201480081084.4A Active CN106575508B (zh) | 2014-06-10 | 2014-06-10 | 编码器和解码器***及提供数字音频信号的方法 |
Country Status (7)
Country | Link |
---|---|
US (4) | US10115410B2 (zh) |
EP (3) | EP3998605A1 (zh) |
JP (1) | JP6700507B6 (zh) |
KR (3) | KR102661191B1 (zh) |
CN (1) | CN106575508B (zh) |
PL (1) | PL3155617T3 (zh) |
WO (1) | WO2015189533A1 (zh) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10115410B2 (en) | 2014-06-10 | 2018-10-30 | Peter Graham Craven | Digital encapsulation of audio signals |
US9959883B2 (en) * | 2015-10-06 | 2018-05-01 | The Trustees Of Princeton University | Method and system for producing low-noise acoustical impulse responses at high sampling rate |
KR20180088184A (ko) * | 2017-01-26 | 2018-08-03 | 삼성전자주식회사 | 전자 장치 및 그 제어 방법 |
US10797926B2 (en) * | 2018-01-26 | 2020-10-06 | California Institute Of Technology | Systems and methods for communicating by modulating data on zeros |
CN108564957B (zh) * | 2018-01-31 | 2020-11-13 | 杭州士兰微电子股份有限公司 | 码流的解码方法、装置、存储介质和处理器 |
US11496350B2 (en) * | 2018-03-27 | 2022-11-08 | University Of South Carolina | Dual-polarization FBMC in wireless communication systems |
SG11202108549YA (en) * | 2019-02-07 | 2021-09-29 | California Inst Of Techn | Systems and methods for communicating by modulating data on zeros in the presence of channel impairments |
CA3142036A1 (en) | 2019-05-28 | 2020-12-24 | Utility Associates, Inc. | Systems and methods for detecting a gunshot |
US10945074B2 (en) | 2019-06-07 | 2021-03-09 | Cirrus Logic, Inc. | Low-latency compensating audio filters using negative group delay |
US11438697B2 (en) | 2019-06-07 | 2022-09-06 | Cirrus Logic, Inc. | Low-latency audio output with variable group delay |
CN113607269B (zh) * | 2021-02-02 | 2023-12-15 | 深圳市冠旭电子股份有限公司 | 声音剂量确定方法、装置、电子设备及存储介质 |
US20220383858A1 (en) * | 2021-05-28 | 2022-12-01 | Asapp, Inc. | Contextual feature vectors for processing speech |
CN113782043B (zh) * | 2021-09-06 | 2024-06-14 | 北京捷通华声科技股份有限公司 | 语音采集方法、装置、电子设备及计算机可读存储介质 |
US11889280B2 (en) * | 2021-10-05 | 2024-01-30 | Cirrus Logic Inc. | Filters and filter chains |
WO2023148540A1 (en) * | 2022-08-16 | 2023-08-10 | Arekat Safwan | A recursive fir digital filter |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1275234A (zh) * | 1997-10-17 | 2000-11-29 | 多尔拜实验特许公司 | 采用附加的滤波器阵列在帧边界处衰减频谱邻频干扰的基于帧的音频编码 |
WO2002091588A1 (fr) * | 2001-05-07 | 2002-11-14 | Matsushita Electric Industrial Co., Ltd. | Procede et dispositif de codage/ modulation differentielle par impulsions et codage adaptatifs en sous-bandes, systeme de transmission sans fil, procede et dispositif de decodage/ modulation differentielle par impulsions et codage adaptatifs en sous-bandes et systeme de reception sans fil |
CN101553870A (zh) * | 2006-11-02 | 2009-10-07 | 弗劳恩霍夫应用研究促进协会 | 后处理谱值的设备和方法及音频信号的编码器和解码器 |
US20100002888A1 (en) * | 2008-07-06 | 2010-01-07 | Hauke Kruger | Method and device for low-delay joint-stereo coding |
CN101872618A (zh) * | 1995-12-01 | 2010-10-27 | Dts(Bvi)有限公司 | 多通道音频编码器 |
Family Cites Families (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5121204A (en) * | 1990-10-29 | 1992-06-09 | General Electric Company | Apparatus for scrambling side panel information of a wide aspect ratio image signal |
ES2135408T3 (es) | 1991-05-29 | 1999-11-01 | Pacific Microsonics Inc | Sistema mejorado de codificacion/decodificacion de señales. |
US5757931A (en) * | 1994-06-15 | 1998-05-26 | Sony Corporation | Signal processing apparatus and acoustic reproducing apparatus |
US5654952A (en) * | 1994-10-28 | 1997-08-05 | Sony Corporation | Digital signal encoding method and apparatus and recording medium |
US5928313A (en) * | 1997-05-05 | 1999-07-27 | Apple Computer, Inc. | Method and apparatus for sample rate conversion |
JPH11215006A (ja) * | 1998-01-29 | 1999-08-06 | Olympus Optical Co Ltd | ディジタル音声信号の送信装置及び受信装置 |
FR2783651A1 (fr) * | 1998-09-22 | 2000-03-24 | Koninkl Philips Electronics Nv | Dispositif et procede de filtrage d'un signal de parole, recepteur et systeme de communications telephonique |
JP4386514B2 (ja) * | 1998-11-24 | 2009-12-16 | 株式会社アドバンテスト | 半導体試験装置 |
US6208276B1 (en) * | 1998-12-30 | 2001-03-27 | At&T Corporation | Method and apparatus for sample rate pre- and post-processing to achieve maximal coding gain for transform-based audio encoding and decoding |
US6337645B1 (en) | 1999-03-23 | 2002-01-08 | Microsoft Corporation | Filter for digital-to-analog converters |
CN1151606C (zh) * | 1999-03-23 | 2004-05-26 | 太平洋微超声公司 | 用于数模转换器的滤波器和降低混叠失真的方法 |
US7236839B2 (en) * | 2001-08-23 | 2007-06-26 | Matsushita Electric Industrial Co., Ltd. | Audio decoder with expanded band information |
US7173966B2 (en) * | 2001-08-31 | 2007-02-06 | Broadband Physics, Inc. | Compensation for non-linear distortion in a modem receiver |
US20030187663A1 (en) * | 2002-03-28 | 2003-10-02 | Truman Michael Mead | Broadband frequency translation for high frequency regeneration |
US7069212B2 (en) * | 2002-09-19 | 2006-06-27 | Matsushita Elecric Industrial Co., Ltd. | Audio decoding apparatus and method for band expansion with aliasing adjustment |
JP2004120182A (ja) * | 2002-09-25 | 2004-04-15 | Sanyo Electric Co Ltd | デシメーションフィルタおよびインターポレーションフィルタ |
US7262716B2 (en) * | 2002-12-20 | 2007-08-28 | Texas Instruments Incoporated | Asynchronous sample rate converter and method |
EP1683133B1 (en) * | 2003-10-30 | 2007-02-14 | Koninklijke Philips Electronics N.V. | Audio signal encoding or decoding |
CA2457988A1 (en) * | 2004-02-18 | 2005-08-18 | Voiceage Corporation | Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization |
US7512536B2 (en) * | 2004-05-14 | 2009-03-31 | Texas Instruments Incorporated | Efficient filter bank computation for audio coding |
DE102004062291B4 (de) * | 2004-12-23 | 2010-04-08 | Austriamicrosystems Ag | FIR-Dezimationsfilter und Anordnung mit demselben |
BRPI0611430A2 (pt) * | 2005-05-11 | 2010-11-23 | Matsushita Electric Ind Co Ltd | codificador, decodificador e seus métodos |
WO2007002770A2 (en) * | 2005-06-27 | 2007-01-04 | Qualcomm Flarion Technologies, Inc. | Methods and apparatus for implementing and using amplifiers for performing various amplification related operations |
US7917561B2 (en) * | 2005-09-16 | 2011-03-29 | Coding Technologies Ab | Partially complex modulated filter bank |
US9496850B2 (en) * | 2006-08-04 | 2016-11-15 | Creative Technology Ltd | Alias-free subband processing |
CN101366080B (zh) * | 2006-08-15 | 2011-10-19 | 美国博通公司 | 一种更新解码器的状态的方法和*** |
CN100487789C (zh) * | 2006-09-06 | 2009-05-13 | 华为技术有限公司 | 感知加权滤波方法及感知加权滤波器 |
US8700387B2 (en) * | 2006-09-14 | 2014-04-15 | Nvidia Corporation | Method and system for efficient transcoding of audio data |
CN200962315Y (zh) * | 2006-10-18 | 2007-10-17 | 中兴通讯股份有限公司 | 一种语音处理装置 |
EP4300825A3 (en) * | 2006-10-25 | 2024-03-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for generating time-domain audio samples |
US8902365B2 (en) * | 2007-03-14 | 2014-12-02 | Lance Greggain | Interference avoidance in a television receiver |
US7728658B2 (en) | 2007-07-25 | 2010-06-01 | D2Audio Corporation | Low-noise, low-distortion digital PWM amplifier |
CN101369898B (zh) * | 2008-09-12 | 2011-04-20 | 中国电子科技集团公司第五十四研究所 | 流星余迹自适应变速率突发调制解调器 |
US7808419B2 (en) * | 2008-10-22 | 2010-10-05 | Mediatek Inc. | Digitizer with variable sampling clock and method using the same |
FR2938688A1 (fr) * | 2008-11-18 | 2010-05-21 | France Telecom | Codage avec mise en forme du bruit dans un codeur hierarchique |
CN101419800B (zh) * | 2008-11-25 | 2011-12-14 | 浙江大学 | 基于频谱平移的情感说话人识别方法 |
US8938313B2 (en) * | 2009-04-30 | 2015-01-20 | Dolby Laboratories Licensing Corporation | Low complexity auditory event boundary detection |
EP2649614B1 (en) * | 2010-12-09 | 2015-11-04 | Dolby International AB | Psychoacoustic filter design for rational resamplers |
US8467141B2 (en) * | 2011-08-23 | 2013-06-18 | Lsi Corporation | Read channel with oversampled analog to digital conversion |
US9236064B2 (en) * | 2012-02-15 | 2016-01-12 | Microsoft Technology Licensing, Llc | Sample rate converter with automatic anti-aliasing filter |
CN102915736B (zh) * | 2012-10-16 | 2015-09-02 | 广东威创视讯科技股份有限公司 | 混音处理方法和混音处理*** |
CN103209152B (zh) * | 2013-03-20 | 2015-09-23 | 苏州东奇信息科技股份有限公司 | 基于双零点冲击滤波器的mppsk相干解调方法 |
WO2014153604A1 (en) * | 2013-03-26 | 2014-10-02 | Barratt Lachlan Paul | Audio filters utilizing sine functions |
FR3011408A1 (fr) * | 2013-09-30 | 2015-04-03 | Orange | Re-echantillonnage d'un signal audio pour un codage/decodage a bas retard |
FR3015754A1 (fr) * | 2013-12-20 | 2015-06-26 | Orange | Re-echantillonnage d'un signal audio cadence a une frequence d'echantillonnage variable selon la trame |
US10115410B2 (en) | 2014-06-10 | 2018-10-30 | Peter Graham Craven | Digital encapsulation of audio signals |
US9793879B2 (en) * | 2014-09-17 | 2017-10-17 | Avnera Corporation | Rate convertor |
-
2014
- 2014-06-10 US US15/317,794 patent/US10115410B2/en active Active
- 2014-06-10 EP EP21218391.7A patent/EP3998605A1/en active Pending
- 2014-06-10 KR KR1020237005923A patent/KR102661191B1/ko active IP Right Grant
- 2014-06-10 KR KR1020217034245A patent/KR102503347B1/ko active IP Right Grant
- 2014-06-10 CN CN201480081084.4A patent/CN106575508B/zh active Active
- 2014-06-10 WO PCT/GB2014/051789 patent/WO2015189533A1/en active Application Filing
- 2014-06-10 EP EP14732926.2A patent/EP3155617B1/en active Active
- 2014-06-10 EP EP21218383.4A patent/EP4002359A1/en active Pending
- 2014-06-10 JP JP2017517426A patent/JP6700507B6/ja active Active
- 2014-06-10 PL PL14732926T patent/PL3155617T3/pl unknown
- 2014-06-10 KR KR1020177000795A patent/KR102318581B1/ko active IP Right Grant
-
2018
- 2018-10-02 US US16/149,651 patent/US10867614B2/en active Active
-
2020
- 2020-12-14 US US17/120,889 patent/US11710493B2/en active Active
-
2023
- 2023-06-09 US US18/332,148 patent/US20240029749A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101872618A (zh) * | 1995-12-01 | 2010-10-27 | Dts(Bvi)有限公司 | 多通道音频编码器 |
CN1275234A (zh) * | 1997-10-17 | 2000-11-29 | 多尔拜实验特许公司 | 采用附加的滤波器阵列在帧边界处衰减频谱邻频干扰的基于帧的音频编码 |
WO2002091588A1 (fr) * | 2001-05-07 | 2002-11-14 | Matsushita Electric Industrial Co., Ltd. | Procede et dispositif de codage/ modulation differentielle par impulsions et codage adaptatifs en sous-bandes, systeme de transmission sans fil, procede et dispositif de decodage/ modulation differentielle par impulsions et codage adaptatifs en sous-bandes et systeme de reception sans fil |
CN101553870A (zh) * | 2006-11-02 | 2009-10-07 | 弗劳恩霍夫应用研究促进协会 | 后处理谱值的设备和方法及音频信号的编码器和解码器 |
US20100002888A1 (en) * | 2008-07-06 | 2010-01-07 | Hauke Kruger | Method and device for low-delay joint-stereo coding |
Non-Patent Citations (2)
Title |
---|
H. Malik et al..《Robust data-hiding in audio》.《 2004 IEEE International Conference on Multimedia and Expo (ICME) (IEEE Cat. No.04TH8763)》.2004, * |
陈普跃等.《基于FPGA的32Kbit/s CVSD语音编解码器的实现》.《器件与电路》.2007, * |
Also Published As
Publication number | Publication date |
---|---|
EP3155617A1 (en) | 2017-04-19 |
EP3155617B1 (en) | 2022-01-05 |
KR20170023941A (ko) | 2017-03-06 |
KR102661191B1 (ko) | 2024-04-26 |
US20170110141A1 (en) | 2017-04-20 |
PL3155617T3 (pl) | 2022-04-19 |
EP4002359A1 (en) | 2022-05-25 |
KR20230028594A (ko) | 2023-02-28 |
KR102503347B1 (ko) | 2023-02-23 |
KR20210132222A (ko) | 2021-11-03 |
US20240029749A1 (en) | 2024-01-25 |
US20190057709A1 (en) | 2019-02-21 |
EP3998605A1 (en) | 2022-05-18 |
US10115410B2 (en) | 2018-10-30 |
JP2017521977A (ja) | 2017-08-03 |
WO2015189533A1 (en) | 2015-12-17 |
US11710493B2 (en) | 2023-07-25 |
JP6700507B6 (ja) | 2020-07-22 |
CN106575508A (zh) | 2017-04-19 |
KR102318581B1 (ko) | 2021-10-27 |
US20210193157A1 (en) | 2021-06-24 |
JP6700507B2 (ja) | 2020-05-27 |
US10867614B2 (en) | 2020-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106575508B (zh) | 编码器和解码器***及提供数字音频信号的方法 | |
KR102077308B1 (ko) | 메타데이터 구동된 동적 범위 제어 | |
KR101422368B1 (ko) | 오디오 신호를 처리하기 위한 방법 및 장치 | |
US8411731B2 (en) | Device and method for processing a real subband signal for reducing aliasing effects | |
CA2640431C (en) | Efficient filtering with a complex modulated filterbank | |
CN108140396B (zh) | 音频信号处理 | |
CN1659927A (zh) | 房间内扬声器声音的数字均衡方法及其使用 | |
CN106663448B (zh) | 信号处理装置和信号处理方法 | |
US9076437B2 (en) | Audio signal processing apparatus | |
KR20170116105A (ko) | 오디오 처리를 위한 다중 레이트 시스템 | |
JP2007011305A (ja) | ルームインプレッションおよび/またはサウンドインプレッションのシミュレーションの方法 | |
WO2014108677A1 (en) | Digital encapsulation of audio signals | |
CN107112979B (zh) | 具有在高解析音频的前响应频率下的群延迟的非线性滤波器 | |
JP2007108360A (ja) | 補間装置、オーディオ再生装置、補間方法および補間プログラム | |
Dutoit et al. | How is sound processed in an MP3 player? |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20210322 Address after: England Atsushi Applicant after: MQA Ltd. Address before: Luxemburg, the Grand Duchy of Luxemburg Applicant before: Renet Co.,Ltd. Applicant before: CRAVEN PETER GRAHAM |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240131 Address after: Ontario, Canada Patentee after: Lanbrook Industries Ltd. Country or region after: Canada Address before: London Patentee before: MQA Ltd. Country or region before: United Kingdom |
|
TR01 | Transfer of patent right |