SG11201806216YA - Apparatus and method for encoding or decoding a multi-channel signal using a broadband alignment parameter and a plurality of narrowband alignment parameters - Google Patents
Apparatus and method for encoding or decoding a multi-channel signal using a broadband alignment parameter and a plurality of narrowband alignment parametersInfo
- Publication number
- SG11201806216YA SG11201806216YA SG11201806216YA SG11201806216YA SG11201806216YA SG 11201806216Y A SG11201806216Y A SG 11201806216YA SG 11201806216Y A SG11201806216Y A SG 11201806216YA SG 11201806216Y A SG11201806216Y A SG 11201806216YA SG 11201806216Y A SG11201806216Y A SG 11201806216YA
- Authority
- SG
- Singapore
- Prior art keywords
- signal
- parameter
- encoded
- narrowband
- broadband
- Prior art date
Links
- 230000008520 organization Effects 0.000 abstract 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
-
- 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
- G10L19/04—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
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
-
- 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
- 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
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
-
- 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)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
- Mobile Radio Communication Systems (AREA)
- Stereo-Broadcasting Methods (AREA)
- Emergency Protection Circuit Devices (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
- Control Of Eletrric Generators (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16152453 | 2016-01-22 | ||
EP16152450 | 2016-01-22 | ||
PCT/EP2017/051205 WO2017125558A1 (fr) | 2016-01-22 | 2017-01-20 | Appareil et procédé pour coder ou décoder un signal multicanal en utilisant un paramètre d'alignement à large bande et une pluralité de paramètres d'alignement à bande étroite |
Publications (1)
Publication Number | Publication Date |
---|---|
SG11201806216YA true SG11201806216YA (en) | 2018-08-30 |
Family
ID=57838406
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG11201806216YA SG11201806216YA (en) | 2016-01-22 | 2017-01-20 | Apparatus and method for encoding or decoding a multi-channel signal using a broadband alignment parameter and a plurality of narrowband alignment parameters |
SG11201806246UA SG11201806246UA (en) | 2016-01-22 | 2017-01-20 | Apparatuses and methods for encoding or decoding a multi-channel audio signal using frame control synchronization |
SG11201806241QA SG11201806241QA (en) | 2016-01-22 | 2017-01-20 | Apparatus and method for estimating an inter-channel time difference |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG11201806246UA SG11201806246UA (en) | 2016-01-22 | 2017-01-20 | Apparatuses and methods for encoding or decoding a multi-channel audio signal using frame control synchronization |
SG11201806241QA SG11201806241QA (en) | 2016-01-22 | 2017-01-20 | Apparatus and method for estimating an inter-channel time difference |
Country Status (20)
Country | Link |
---|---|
US (7) | US10535356B2 (fr) |
EP (5) | EP3405948B1 (fr) |
JP (10) | JP6412292B2 (fr) |
KR (4) | KR102219752B1 (fr) |
CN (6) | CN117238300A (fr) |
AU (5) | AU2017208576B2 (fr) |
BR (4) | BR112018014689A2 (fr) |
CA (4) | CA3012159C (fr) |
ES (4) | ES2768052T3 (fr) |
HK (1) | HK1244584B (fr) |
MX (4) | MX371224B (fr) |
MY (4) | MY181992A (fr) |
PL (4) | PL3405949T3 (fr) |
PT (3) | PT3405949T (fr) |
RU (4) | RU2704733C1 (fr) |
SG (3) | SG11201806216YA (fr) |
TR (1) | TR201906475T4 (fr) |
TW (4) | TWI653627B (fr) |
WO (4) | WO2017125558A1 (fr) |
ZA (3) | ZA201804625B (fr) |
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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 |
US10224042B2 (en) | 2016-10-31 | 2019-03-05 | Qualcomm Incorporated | Encoding of multiple audio signals |
CA3127805C (fr) | 2016-11-08 | 2023-12-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Appareil et procede pour le codage ou le decodage d'un signal multivoie au moyen d'un gain lateral et d'un gain residuel |
US10475457B2 (en) * | 2017-07-03 | 2019-11-12 | Qualcomm Incorporated | Time-domain inter-channel prediction |
US10839814B2 (en) * | 2017-10-05 | 2020-11-17 | Qualcomm Incorporated | Encoding or decoding of audio signals |
US10535357B2 (en) * | 2017-10-05 | 2020-01-14 | Qualcomm Incorporated | Encoding or decoding of audio signals |
JP7261807B2 (ja) | 2018-02-01 | 2023-04-20 | 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 | ハイブリッドエンコーダ/デコーダ空間解析を使用する音響シーンエンコーダ、音響シーンデコーダおよびその方法 |
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EP3719799A1 (fr) | 2019-04-04 | 2020-10-07 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Codeur audio multicanaux, décodeur, procédés et programme informatique de commutation entre un fonctionnement multicanaux paramétrique et un fonctionnement de canal individuel |
WO2020216459A1 (fr) * | 2019-04-23 | 2020-10-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Appareil, procédé ou programme informatique permettant de générer une représentation de mixage réducteur de sortie |
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