MX2020013856A - Codificacion de audio multicanal. - Google Patents
Codificacion de audio multicanal.Info
- Publication number
- MX2020013856A MX2020013856A MX2020013856A MX2020013856A MX2020013856A MX 2020013856 A MX2020013856 A MX 2020013856A MX 2020013856 A MX2020013856 A MX 2020013856A MX 2020013856 A MX2020013856 A MX 2020013856A MX 2020013856 A MX2020013856 A MX 2020013856A
- Authority
- MX
- Mexico
- Prior art keywords
- audio coding
- multichannel audio
- encoder
- itd
- compensation
- Prior art date
Links
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
- G10L19/02—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
- G10L19/04—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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
En la codificación de audio multicanal, se obtiene una eficiencia de cómputo mejorada computando parámetros comparativos para la compensación de la ITD entre dos canales cualesquiera en el dominio de la frecuencia para un codificador de audio paramétrico. Esto puede mitigar los efectos negativos sobre las estimaciones de parámetros del codificador.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18179373.8A EP3588495A1 (en) | 2018-06-22 | 2018-06-22 | Multichannel audio coding |
PCT/EP2019/066228 WO2019243434A1 (en) | 2018-06-22 | 2019-06-19 | Multichannel audio coding |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2020013856A true MX2020013856A (es) | 2021-03-25 |
Family
ID=62750879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2020013856A MX2020013856A (es) | 2018-06-22 | 2019-06-19 | Codificacion de audio multicanal. |
Country Status (13)
Country | Link |
---|---|
US (2) | US11978459B2 (es) |
EP (2) | EP3588495A1 (es) |
JP (2) | JP7174081B2 (es) |
CN (1) | CN112424861B (es) |
AR (1) | AR115600A1 (es) |
AU (1) | AU2019291054B2 (es) |
BR (1) | BR112020025552A2 (es) |
CA (1) | CA3103875C (es) |
MX (1) | MX2020013856A (es) |
SG (1) | SG11202012655QA (es) |
TW (1) | TWI726337B (es) |
WO (1) | WO2019243434A1 (es) |
ZA (1) | ZA202100230B (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3588495A1 (en) | 2018-06-22 | 2020-01-01 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Multichannel audio coding |
JP7380838B2 (ja) * | 2020-03-09 | 2023-11-15 | 日本電信電話株式会社 | 音信号符号化方法、音信号復号方法、音信号符号化装置、音信号復号装置、プログラム及び記録媒体 |
JP2023549038A (ja) * | 2020-10-09 | 2023-11-22 | フラウンホーファー-ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | パラメータ変換を用いて符号化されたオーディオシーンを処理するための装置、方法、またはコンピュータプログラム |
US11818353B2 (en) * | 2021-05-13 | 2023-11-14 | Qualcomm Incorporated | Reduced complexity transforms for high bit-depth video coding |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5789689A (en) * | 1997-01-17 | 1998-08-04 | Doidic; Michel | Tube modeling programmable digital guitar amplification system |
KR20050021484A (ko) * | 2002-07-16 | 2005-03-07 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 오디오 코딩 |
US7809579B2 (en) * | 2003-12-19 | 2010-10-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Fidelity-optimized variable frame length encoding |
SE0402650D0 (sv) | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Improved parametric stereo compatible coding of spatial audio |
PL1866911T3 (pl) | 2005-03-30 | 2010-12-31 | Koninl Philips Electronics Nv | Skalowalne, wielokanałowe kodowanie dźwięku |
WO2007080211A1 (en) * | 2006-01-09 | 2007-07-19 | Nokia Corporation | Decoding of binaural audio signals |
CN101556799B (zh) * | 2009-05-14 | 2013-08-28 | 华为技术有限公司 | 一种音频解码方法和音频解码器 |
EP3035330B1 (en) * | 2011-02-02 | 2019-11-20 | Telefonaktiebolaget LM Ericsson (publ) | Determining the inter-channel time difference of a multi-channel audio signal |
AU2011357816B2 (en) * | 2011-02-03 | 2016-06-16 | Telefonaktiebolaget L M Ericsson (Publ) | Determining the inter-channel time difference of a multi-channel audio signal |
KR101580240B1 (ko) * | 2012-02-17 | 2016-01-04 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 다채널 오디오 신호를 인코딩하는 파라메트릭 인코더 |
WO2013149671A1 (en) * | 2012-04-05 | 2013-10-10 | Huawei Technologies Co., Ltd. | Multi-channel audio encoder and method for encoding a multi-channel audio signal |
TWI546799B (zh) * | 2013-04-05 | 2016-08-21 | 杜比國際公司 | 音頻編碼器及解碼器 |
MY195412A (en) * | 2013-07-22 | 2023-01-19 | Fraunhofer Ges Forschung | Multi-Channel Audio Decoder, Multi-Channel Audio Encoder, Methods, Computer Program and Encoded Audio Representation Using a Decorrelation of Rendered Audio Signals |
US9319819B2 (en) * | 2013-07-25 | 2016-04-19 | Etri | Binaural rendering method and apparatus for decoding multi channel audio |
EP3293734B1 (en) * | 2013-09-12 | 2019-05-15 | Dolby International AB | Decoding of multichannel audio content |
EP3067889A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and apparatus for signal-adaptive transform kernel switching in audio coding |
EP3067887A1 (en) * | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
CA3011915C (en) | 2016-01-22 | 2021-07-13 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for estimating an inter-channel time difference |
EP3208800A1 (en) * | 2016-02-17 | 2017-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for stereo filing in multichannel coding |
EP3582219B1 (en) | 2016-03-09 | 2021-05-05 | Telefonaktiebolaget LM Ericsson (publ) | A method and apparatus for increasing stability of an inter-channel time difference parameter |
FI3539125T3 (fi) * | 2016-11-08 | 2023-03-21 | Fraunhofer Ges Forschung | Laite ja menetelmä monikanavasignaalin koodaamiseksi ja dekoodaamiseksi käyttäen sivuvahvistusta ja jäännösvahvistusta |
EP3588495A1 (en) | 2018-06-22 | 2020-01-01 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Multichannel audio coding |
-
2018
- 2018-06-22 EP EP18179373.8A patent/EP3588495A1/en not_active Withdrawn
-
2019
- 2019-06-19 MX MX2020013856A patent/MX2020013856A/es unknown
- 2019-06-19 EP EP19732348.8A patent/EP3811357A1/en active Pending
- 2019-06-19 CA CA3103875A patent/CA3103875C/en active Active
- 2019-06-19 WO PCT/EP2019/066228 patent/WO2019243434A1/en active Application Filing
- 2019-06-19 AU AU2019291054A patent/AU2019291054B2/en active Active
- 2019-06-19 BR BR112020025552-1A patent/BR112020025552A2/pt unknown
- 2019-06-19 SG SG11202012655QA patent/SG11202012655QA/en unknown
- 2019-06-19 CN CN201980041829.7A patent/CN112424861B/zh active Active
- 2019-06-19 JP JP2020571588A patent/JP7174081B2/ja active Active
- 2019-06-21 TW TW108121651A patent/TWI726337B/zh active
- 2019-06-21 AR ARP190101722A patent/AR115600A1/es active IP Right Grant
-
2020
- 2020-12-15 US US17/122,403 patent/US11978459B2/en active Active
-
2021
- 2021-01-13 ZA ZA2021/00230A patent/ZA202100230B/en unknown
-
2022
- 2022-11-04 JP JP2022177073A patent/JP2023017913A/ja active Pending
-
2023
- 2023-09-08 US US18/464,030 patent/US20240112685A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
AR115600A1 (es) | 2021-02-03 |
ZA202100230B (en) | 2022-07-27 |
TWI726337B (zh) | 2021-05-01 |
AU2019291054A1 (en) | 2021-02-18 |
BR112020025552A2 (pt) | 2021-03-16 |
US20210098007A1 (en) | 2021-04-01 |
CN112424861A (zh) | 2021-02-26 |
EP3811357A1 (en) | 2021-04-28 |
TW202016923A (zh) | 2020-05-01 |
AU2019291054B2 (en) | 2022-04-07 |
JP2021528693A (ja) | 2021-10-21 |
KR20210021554A (ko) | 2021-02-26 |
CA3103875C (en) | 2023-09-05 |
WO2019243434A1 (en) | 2019-12-26 |
JP2023017913A (ja) | 2023-02-07 |
JP7174081B2 (ja) | 2022-11-17 |
US11978459B2 (en) | 2024-05-07 |
CN112424861B (zh) | 2024-04-16 |
US20240112685A1 (en) | 2024-04-04 |
SG11202012655QA (en) | 2021-01-28 |
CA3103875A1 (en) | 2019-12-26 |
EP3588495A1 (en) | 2020-01-01 |
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