PL2671222T3 - Określanie międzykanałowej różnicy czasu wielokanałowego sygnału audio - Google Patents
Określanie międzykanałowej różnicy czasu wielokanałowego sygnału audioInfo
- Publication number
- PL2671222T3 PL2671222T3 PL11857874T PL11857874T PL2671222T3 PL 2671222 T3 PL2671222 T3 PL 2671222T3 PL 11857874 T PL11857874 T PL 11857874T PL 11857874 T PL11857874 T PL 11857874T PL 2671222 T3 PL2671222 T3 PL 2671222T3
- Authority
- PL
- Poland
- Prior art keywords
- channel
- inter
- determining
- audio signal
- time difference
- Prior art date
Links
- 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
- G10L19/008—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
- G10L19/16—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161438720P | 2011-02-02 | 2011-02-02 | |
| EP11857874.9A EP2671222B1 (en) | 2011-02-02 | 2011-04-07 | Determining the inter-channel time difference of a multi-channel audio signal |
| PCT/SE2011/050423 WO2012105885A1 (en) | 2011-02-02 | 2011-04-07 | Determining the inter-channel time difference of a multi-channel audio signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL2671222T3 true PL2671222T3 (pl) | 2016-08-31 |
Family
ID=46602964
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL11857874T PL2671222T3 (pl) | 2011-02-02 | 2011-04-07 | Określanie międzykanałowej różnicy czasu wielokanałowego sygnału audio |
| PL16151189T PL3035330T3 (pl) | 2011-02-02 | 2011-04-07 | Określanie międzykanałowej różnicy czasu wielokanałowego sygnału audio |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL16151189T PL3035330T3 (pl) | 2011-02-02 | 2011-04-07 | Określanie międzykanałowej różnicy czasu wielokanałowego sygnału audio |
Country Status (5)
| Country | Link |
|---|---|
| US (5) | US9424852B2 (pl) |
| EP (2) | EP3035330B1 (pl) |
| CN (1) | CN103403800B (pl) |
| PL (2) | PL2671222T3 (pl) |
| WO (1) | WO2012105885A1 (pl) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL2671222T3 (pl) * | 2011-02-02 | 2016-08-31 | Ericsson Telefon Ab L M | Określanie międzykanałowej różnicy czasu wielokanałowego sygnału audio |
| CN103400582B (zh) * | 2013-08-13 | 2015-09-16 | 武汉大学 | 面向多声道三维音频的编解码方法与系统 |
| CN105895112A (zh) * | 2014-10-17 | 2016-08-24 | 杜比实验室特许公司 | 面向用户体验的音频信号处理 |
| US9712936B2 (en) | 2015-02-03 | 2017-07-18 | Qualcomm Incorporated | Coding higher-order ambisonic audio data with motion stabilization |
| CN106033671B (zh) * | 2015-03-09 | 2020-11-06 | 华为技术有限公司 | 确定声道间时间差参数的方法和装置 |
| CN106033672B (zh) * | 2015-03-09 | 2021-04-09 | 华为技术有限公司 | 确定声道间时间差参数的方法和装置 |
| FR3034892B1 (fr) * | 2015-04-10 | 2018-03-23 | Orange | Procede de traitement de donnees pour l'estimation de parametres de mixage de signaux audio, procede de mixage, dispositifs, et programmes d'ordinateurs associes |
| EP3079074A1 (fr) | 2015-04-10 | 2016-10-12 | B<>Com | Procédé de traitement de données pour l'estimation de paramètres de mixage de signaux audio, procédé de mixage, dispositifs, et programmes d'ordinateurs associés |
| DE102015008000A1 (de) * | 2015-06-24 | 2016-12-29 | Saalakustik.De Gmbh | Verfahren zur Schallwiedergabe in Reflexionsumgebungen, insbesondere in Hörräumen |
| US10045145B2 (en) * | 2015-12-18 | 2018-08-07 | Qualcomm Incorporated | Temporal offset estimation |
| BR112018014799A2 (pt) * | 2016-01-22 | 2018-12-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | aparelho e método para estimativa de uma diferença de tempo entre canais |
| US9978381B2 (en) * | 2016-02-12 | 2018-05-22 | Qualcomm Incorporated | Encoding of multiple audio signals |
| US10832689B2 (en) * | 2016-03-09 | 2020-11-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for increasing stability of an inter-channel time difference parameter |
| CN107358960B (zh) * | 2016-05-10 | 2021-10-26 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
| CN107742521B (zh) | 2016-08-10 | 2021-08-13 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
| CN107731238B (zh) | 2016-08-10 | 2021-07-16 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
| US10217468B2 (en) * | 2017-01-19 | 2019-02-26 | Qualcomm Incorporated | Coding of multiple audio signals |
| US10304468B2 (en) | 2017-03-20 | 2019-05-28 | Qualcomm Incorporated | Target sample generation |
| CN108665902B (zh) | 2017-03-31 | 2020-12-01 | 华为技术有限公司 | 多声道信号的编解码方法和编解码器 |
| CN108694955B (zh) | 2017-04-12 | 2020-11-17 | 华为技术有限公司 | 多声道信号的编解码方法和编解码器 |
| US10395667B2 (en) * | 2017-05-12 | 2019-08-27 | Cirrus Logic, Inc. | Correlation-based near-field detector |
| CN109215667B (zh) * | 2017-06-29 | 2020-12-22 | 华为技术有限公司 | 时延估计方法及装置 |
| CN109300480B (zh) * | 2017-07-25 | 2020-10-16 | 华为技术有限公司 | 立体声信号的编解码方法和编解码装置 |
| CN109427338B (zh) * | 2017-08-23 | 2021-03-30 | 华为技术有限公司 | 立体声信号的编码方法和编码装置 |
| CN107782977A (zh) * | 2017-08-31 | 2018-03-09 | 苏州知声声学科技有限公司 | 多个usb数据采集卡输入信号延时测量装置及测量方法 |
| RU2762302C1 (ru) | 2018-04-05 | 2021-12-17 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство, способ или компьютерная программа для оценки разности во времени между каналами |
| EP3588495A1 (en) * | 2018-06-22 | 2020-01-01 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Multichannel audio coding |
| CN115132214A (zh) * | 2018-06-29 | 2022-09-30 | 华为技术有限公司 | 立体声信号的编码、解码方法、编码装置和解码装置 |
| US11671793B2 (en) | 2020-12-10 | 2023-06-06 | Samsung Electronics Co., Ltd. | Channel frequency response reconstruction assisted time-of-arrival estimation method |
| JPWO2022153632A1 (pl) * | 2021-01-18 | 2022-07-21 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8843378B2 (en) * | 2004-06-30 | 2014-09-23 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Multi-channel synthesizer and method for generating a multi-channel output signal |
| US20060106620A1 (en) * | 2004-10-28 | 2006-05-18 | Thompson Jeffrey K | Audio spatial environment down-mixer |
| US9626973B2 (en) * | 2005-02-23 | 2017-04-18 | Telefonaktiebolaget L M Ericsson (Publ) | Adaptive bit allocation for multi-channel audio encoding |
| EP1851866B1 (en) * | 2005-02-23 | 2011-08-17 | Telefonaktiebolaget LM Ericsson (publ) | Adaptive bit allocation for multi-channel audio encoding |
| US7983922B2 (en) | 2005-04-15 | 2011-07-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing |
| CN101188878B (zh) * | 2007-12-05 | 2010-06-02 | 武汉大学 | 立体声音频信号的空间参数量化及熵编码方法和所用系统 |
| EP2297728B1 (en) * | 2008-07-01 | 2011-12-21 | Nokia Corp. | Apparatus and method for adjusting spatial cue information of a multichannel audio signal |
| MX2011006248A (es) * | 2009-04-08 | 2011-07-20 | Fraunhofer Ges Forschung | Aparato, metodo y programa de computacion para mezclar en forma ascendente una señal de audio con mezcla descendente utilizando una suavizacion de valor de fase. |
| PL2671222T3 (pl) * | 2011-02-02 | 2016-08-31 | Ericsson Telefon Ab L M | Określanie międzykanałowej różnicy czasu wielokanałowego sygnału audio |
-
2011
- 2011-04-07 PL PL11857874T patent/PL2671222T3/pl unknown
- 2011-04-07 CN CN201180066784.2A patent/CN103403800B/zh active Active
- 2011-04-07 EP EP16151189.4A patent/EP3035330B1/en active Active
- 2011-04-07 PL PL16151189T patent/PL3035330T3/pl unknown
- 2011-04-07 WO PCT/SE2011/050423 patent/WO2012105885A1/en active Application Filing
- 2011-04-07 US US13/980,427 patent/US9424852B2/en active Active
- 2011-04-07 EP EP11857874.9A patent/EP2671222B1/en active Active
-
2016
- 2016-03-17 US US15/073,068 patent/US9525956B2/en active Active
- 2016-11-14 US US15/350,934 patent/US10332529B2/en active Active
-
2019
- 2019-05-13 US US16/410,494 patent/US10573328B2/en active Active
-
2020
- 2020-01-15 US US16/743,164 patent/US20200152210A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012105885A1 (en) | 2012-08-09 |
| US20130301835A1 (en) | 2013-11-14 |
| PL3035330T3 (pl) | 2020-05-18 |
| US9424852B2 (en) | 2016-08-23 |
| EP2671222A1 (en) | 2013-12-11 |
| US20190267013A1 (en) | 2019-08-29 |
| US20170061972A1 (en) | 2017-03-02 |
| EP2671222A4 (en) | 2014-10-22 |
| US20200152210A1 (en) | 2020-05-14 |
| EP3035330B1 (en) | 2019-11-20 |
| US9525956B2 (en) | 2016-12-20 |
| EP3035330A1 (en) | 2016-06-22 |
| EP2671222B1 (en) | 2016-03-02 |
| US10573328B2 (en) | 2020-02-25 |
| CN103403800A (zh) | 2013-11-20 |
| US20160198279A1 (en) | 2016-07-07 |
| CN103403800B (zh) | 2015-06-24 |
| US10332529B2 (en) | 2019-06-25 |
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