ES2846281T3 - Descodificación de audio paramétrica - Google Patents
Descodificación de audio paramétrica Download PDFInfo
- Publication number
- ES2846281T3 ES2846281T3 ES17778087T ES17778087T ES2846281T3 ES 2846281 T3 ES2846281 T3 ES 2846281T3 ES 17778087 T ES17778087 T ES 17778087T ES 17778087 T ES17778087 T ES 17778087T ES 2846281 T3 ES2846281 T3 ES 2846281T3
- Authority
- ES
- Spain
- Prior art keywords
- value
- frequency
- signal
- stereo parameter
- stereo
- 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 claims abstract description 50
- 230000001143 conditioned effect Effects 0.000 claims abstract description 42
- 230000003750 conditioning effect Effects 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims description 33
- 238000012935 Averaging Methods 0.000 claims description 5
- 230000001052 transient effect Effects 0.000 claims description 2
- 230000000875 corresponding effect Effects 0.000 description 116
- 230000006870 function Effects 0.000 description 35
- 230000004044 response Effects 0.000 description 18
- 230000005540 biological transmission Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 238000012545 processing Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 8
- 238000012546 transfer Methods 0.000 description 7
- 230000002441 reversible effect Effects 0.000 description 6
- 230000010363 phase shift Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000013213 extrapolation Methods 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001364 causal effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- G10L19/008—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
- G10L19/02—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
-
- 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
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- 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
-
- 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
- H04S2420/07—Synergistic effects of band splitting and sub-band processing
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)
- Spectroscopy & Molecular Physics (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662407843P | 2016-10-13 | 2016-10-13 | |
| US15/708,717 US10362423B2 (en) | 2016-10-13 | 2017-09-19 | Parametric audio decoding |
| PCT/US2017/052554 WO2018071150A1 (en) | 2016-10-13 | 2017-09-20 | Parametric audio decoding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2846281T3 true ES2846281T3 (es) | 2021-07-28 |
Family
ID=61902837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES17778087T Active ES2846281T3 (es) | 2016-10-13 | 2017-09-20 | Descodificación de audio paramétrica |
Country Status (10)
| Country | Link |
|---|---|
| US (5) | US10362423B2 (cg-RX-API-DMAC7.html) |
| EP (1) | EP3526791B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP6987856B2 (cg-RX-API-DMAC7.html) |
| KR (2) | KR102503904B1 (cg-RX-API-DMAC7.html) |
| CN (2) | CN109804430B (cg-RX-API-DMAC7.html) |
| AU (1) | AU2017342737B2 (cg-RX-API-DMAC7.html) |
| BR (1) | BR112019007240A2 (cg-RX-API-DMAC7.html) |
| ES (1) | ES2846281T3 (cg-RX-API-DMAC7.html) |
| TW (1) | TWI763717B (cg-RX-API-DMAC7.html) |
| WO (1) | WO2018071150A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE48462E1 (en) * | 2009-07-29 | 2021-03-09 | Northwestern University | Systems, methods, and apparatus for equalization preference learning |
| US10362423B2 (en) | 2016-10-13 | 2019-07-23 | Qualcomm Incorporated | Parametric audio decoding |
| US11514921B2 (en) * | 2019-09-26 | 2022-11-29 | Apple Inc. | Audio return channel data loopback |
| CN116391171A (zh) * | 2020-09-01 | 2023-07-04 | 苹果公司 | 动态改变音频特性 |
| US20250140271A1 (en) * | 2021-08-30 | 2025-05-01 | Nokia Technologies Oy | Silence descriptor using spatial parameters |
| CN115277592B (zh) * | 2022-07-20 | 2023-04-11 | 哈尔滨市科佳通用机电股份有限公司 | 一种机车信号设备在信号切换时的解码方法 |
| CN119580735B (zh) * | 2025-02-06 | 2025-04-25 | 泉州市二谷电子科技有限公司 | 一种数控系统的远程语音控制方法及系统 |
Family Cites Families (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7583805B2 (en) * | 2004-02-12 | 2009-09-01 | Agere Systems Inc. | Late reverberation-based synthesis of auditory scenes |
| AU2003219430A1 (en) * | 2003-03-04 | 2004-09-28 | Nokia Corporation | Support of a multichannel audio extension |
| CA3026276C (en) * | 2004-03-01 | 2019-04-16 | Dolby Laboratories Licensing Corporation | Reconstructing audio signals with multiple decorrelation techniques |
| WO2006060279A1 (en) * | 2004-11-30 | 2006-06-08 | Agere Systems Inc. | Parametric coding of spatial audio with object-based side information |
| 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 |
| US8379868B2 (en) * | 2006-05-17 | 2013-02-19 | Creative Technology Ltd | Spatial audio coding based on universal spatial cues |
| US8103005B2 (en) | 2008-02-04 | 2012-01-24 | Creative Technology Ltd | Primary-ambient decomposition of stereo audio signals using a complex similarity index |
| MX2011003824A (es) * | 2008-10-08 | 2011-05-02 | Fraunhofer Ges Forschung | Esquema de codificacion/decodificacion de audio conmutado de resolucion multiple. |
| US8457975B2 (en) * | 2009-01-28 | 2013-06-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio decoder, audio encoder, methods for decoding and encoding an audio signal and computer program |
| WO2010086461A1 (en) | 2009-01-28 | 2010-08-05 | Dolby International Ab | Improved harmonic transposition |
| CN102157149B (zh) * | 2010-02-12 | 2012-08-08 | 华为技术有限公司 | 立体声信号下混方法、编解码装置和编解码系统 |
| WO2011107951A1 (en) | 2010-03-02 | 2011-09-09 | Nokia Corporation | Method and apparatus for upmixing a two-channel audio signal |
| EP2834813B1 (en) * | 2012-04-05 | 2015-09-30 | Huawei Technologies Co., Ltd. | Multi-channel audio encoder and method for encoding a multi-channel audio signal |
| EP2717261A1 (en) * | 2012-10-05 | 2014-04-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoder, decoder and methods for backward compatible multi-resolution spatial-audio-object-coding |
| EP2720222A1 (en) | 2012-10-10 | 2014-04-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for efficient synthesis of sinusoids and sweeps by employing spectral patterns |
| US9601125B2 (en) * | 2013-02-08 | 2017-03-21 | Qualcomm Incorporated | Systems and methods of performing noise modulation and gain adjustment |
| EP2981960B1 (en) | 2013-04-05 | 2019-03-13 | Dolby International AB | Stereo audio encoder and decoder |
| US8804971B1 (en) * | 2013-04-30 | 2014-08-12 | Dolby International Ab | Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio |
| EP2838086A1 (en) * | 2013-07-22 | 2015-02-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | In an reduction of comb filter artifacts in multi-channel downmix with adaptive phase alignment |
| EP2830056A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain |
| US9154782B2 (en) * | 2013-09-16 | 2015-10-06 | Magnum Semiconductor, Inc. | Apparatuses and methods for adjusting coefficients using dead zones |
| US9293143B2 (en) | 2013-12-11 | 2016-03-22 | Qualcomm Incorporated | Bandwidth extension mode selection |
| US10163447B2 (en) * | 2013-12-16 | 2018-12-25 | Qualcomm Incorporated | High-band signal modeling |
| US9685164B2 (en) * | 2014-03-31 | 2017-06-20 | Qualcomm Incorporated | Systems and methods of switching coding technologies at a device |
| US9626983B2 (en) * | 2014-06-26 | 2017-04-18 | Qualcomm Incorporated | Temporal gain adjustment based on high-band signal characteristic |
| US10049684B2 (en) * | 2015-04-05 | 2018-08-14 | Qualcomm Incorporated | Audio bandwidth selection |
| US10362423B2 (en) | 2016-10-13 | 2019-07-23 | Qualcomm Incorporated | Parametric audio decoding |
-
2017
- 2017-09-19 US US15/708,717 patent/US10362423B2/en active Active
- 2017-09-20 CN CN201780062070.1A patent/CN109804430B/zh active Active
- 2017-09-20 ES ES17778087T patent/ES2846281T3/es active Active
- 2017-09-20 KR KR1020197009987A patent/KR102503904B1/ko active Active
- 2017-09-20 EP EP17778087.1A patent/EP3526791B1/en active Active
- 2017-09-20 WO PCT/US2017/052554 patent/WO2018071150A1/en not_active Ceased
- 2017-09-20 JP JP2019519412A patent/JP6987856B2/ja active Active
- 2017-09-20 KR KR1020237006383A patent/KR102761057B1/ko active Active
- 2017-09-20 AU AU2017342737A patent/AU2017342737B2/en active Active
- 2017-09-20 CN CN202310511508.7A patent/CN116453528A/zh active Pending
- 2017-09-20 BR BR112019007240A patent/BR112019007240A2/pt unknown
- 2017-09-25 TW TW106132782A patent/TWI763717B/zh active
-
2019
- 2019-06-11 US US16/437,518 patent/US10757521B2/en active Active
-
2020
- 2020-07-02 US US16/919,483 patent/US11102600B2/en active Active
-
2021
- 2021-08-23 US US17/409,749 patent/US11716584B2/en active Active
-
2023
- 2023-06-15 US US18/210,632 patent/US12022274B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20200336853A1 (en) | 2020-10-22 |
| US10757521B2 (en) | 2020-08-25 |
| US20190297444A1 (en) | 2019-09-26 |
| KR102503904B1 (ko) | 2023-02-24 |
| WO2018071150A1 (en) | 2018-04-19 |
| US10362423B2 (en) | 2019-07-23 |
| AU2017342737B2 (en) | 2022-01-20 |
| CN109804430B (zh) | 2023-05-12 |
| US11102600B2 (en) | 2021-08-24 |
| EP3526791A1 (en) | 2019-08-21 |
| AU2017342737A1 (en) | 2019-03-28 |
| TW201816775A (zh) | 2018-05-01 |
| US20240031755A1 (en) | 2024-01-25 |
| CN109804430A (zh) | 2019-05-24 |
| JP6987856B2 (ja) | 2022-01-05 |
| JP2019535207A (ja) | 2019-12-05 |
| KR20230030055A (ko) | 2023-03-03 |
| TWI763717B (zh) | 2022-05-11 |
| US20180109896A1 (en) | 2018-04-19 |
| CN116453528A (zh) | 2023-07-18 |
| BR112019007240A2 (pt) | 2019-07-02 |
| US12022274B2 (en) | 2024-06-25 |
| KR102761057B1 (ko) | 2025-01-31 |
| US11716584B2 (en) | 2023-08-01 |
| US20210385601A1 (en) | 2021-12-09 |
| EP3526791B1 (en) | 2020-10-21 |
| KR20190064584A (ko) | 2019-06-10 |
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