PL3405949T3 - Urządzenie i sposób szacowania międzykanałowej różnicy czasowej - Google Patents
Urządzenie i sposób szacowania międzykanałowej różnicy czasowejInfo
- Publication number
- PL3405949T3 PL3405949T3 PL17700707T PL17700707T PL3405949T3 PL 3405949 T3 PL3405949 T3 PL 3405949T3 PL 17700707 T PL17700707 T PL 17700707T PL 17700707 T PL17700707 T PL 17700707T PL 3405949 T3 PL3405949 T3 PL 3405949T3
- Authority
- PL
- Poland
- Prior art keywords
- estimating
- inter
- time difference
- channel time
- channel
- 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
- G10L19/02—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)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Radar Systems Or Details Thereof (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Control Of Eletrric Generators (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Emergency Protection Circuit Devices (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Mobile Radio Communication Systems (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Stereo-Broadcasting Methods (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16152450 | 2016-01-22 | ||
| EP16152453 | 2016-01-22 | ||
| PCT/EP2017/051214 WO2017125563A1 (en) | 2016-01-22 | 2017-01-20 | Apparatus and method for estimating an inter-channel time difference |
| EP17700707.7A EP3405949B1 (en) | 2016-01-22 | 2017-01-20 | Apparatus and method for estimating an inter-channel time difference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL3405949T3 true PL3405949T3 (pl) | 2020-07-27 |
Family
ID=57838406
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL17701669T PL3405951T3 (pl) | 2016-01-22 | 2017-01-20 | Urządzenia i sposoby do kodowania lub dekodowania sygnału wielokanałowego audio z wykorzystaniem synchronizacji sterowania ramek |
| PL17700707T PL3405949T3 (pl) | 2016-01-22 | 2017-01-20 | Urządzenie i sposób szacowania międzykanałowej różnicy czasowej |
| PL19157001.9T PL3503097T3 (pl) | 2016-01-22 | 2017-01-20 | Urządzenie oraz sposób do enkodowania lub dekodowania sygnału wielokanałowego z wykorzystaniem ponownego próbkowania w dziedzinie widmowej |
| PL17700706T PL3284087T3 (pl) | 2016-01-22 | 2017-01-20 | Urządzenia i sposoby do kodowania lub dekodowania sygnału wielokanałowego audio z wykorzystaniem ponownego próbkowania w dziedzinie widmowej |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL17701669T PL3405951T3 (pl) | 2016-01-22 | 2017-01-20 | Urządzenia i sposoby do kodowania lub dekodowania sygnału wielokanałowego audio z wykorzystaniem synchronizacji sterowania ramek |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL19157001.9T PL3503097T3 (pl) | 2016-01-22 | 2017-01-20 | Urządzenie oraz sposób do enkodowania lub dekodowania sygnału wielokanałowego z wykorzystaniem ponownego próbkowania w dziedzinie widmowej |
| PL17700706T PL3284087T3 (pl) | 2016-01-22 | 2017-01-20 | Urządzenia i sposoby do kodowania lub dekodowania sygnału wielokanałowego audio z wykorzystaniem ponownego próbkowania w dziedzinie widmowej |
Country Status (19)
| Country | Link |
|---|---|
| US (7) | US10535356B2 (pl) |
| EP (5) | EP3503097B1 (pl) |
| JP (10) | JP6626581B2 (pl) |
| KR (4) | KR102083200B1 (pl) |
| CN (6) | CN107710323B (pl) |
| AU (5) | AU2017208576B2 (pl) |
| CA (4) | CA3011914C (pl) |
| ES (5) | ES2965487T3 (pl) |
| HK (1) | HK1244584B (pl) |
| MX (4) | MX375301B (pl) |
| MY (4) | MY189223A (pl) |
| PL (4) | PL3405951T3 (pl) |
| PT (3) | PT3284087T (pl) |
| RU (4) | RU2704733C1 (pl) |
| SG (3) | SG11201806246UA (pl) |
| TR (1) | TR201906475T4 (pl) |
| TW (4) | TWI628651B (pl) |
| WO (4) | WO2017125558A1 (pl) |
| ZA (3) | ZA201804625B (pl) |
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| US9773505B2 (en) * | 2008-09-18 | 2017-09-26 | Electronics And Telecommunications Research Institute | Encoding apparatus and decoding apparatus for transforming between modified discrete cosine transform-based coder and different coder |
| RU2704733C1 (ru) | 2016-01-22 | 2019-10-30 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство и способ кодирования или декодирования многоканального сигнала с использованием параметра широкополосного выравнивания и множества параметров узкополосного выравнивания |
| 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 |
| JP7008716B2 (ja) | 2016-11-08 | 2022-01-25 | フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー．ファオ． | サイドゲインおよび残余ゲインを使用してマルチチャネル信号を符号化または復号するための装置および方法 |
| US10475457B2 (en) * | 2017-07-03 | 2019-11-12 | Qualcomm Incorporated | Time-domain inter-channel prediction |
| US10535357B2 (en) * | 2017-10-05 | 2020-01-14 | Qualcomm Incorporated | Encoding or decoding of audio signals |
| US10839814B2 (en) * | 2017-10-05 | 2020-11-17 | 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 |
| US10978091B2 (en) * | 2018-03-19 | 2021-04-13 | Academia Sinica | System and methods for suppression by selecting wavelets for feature compression in distributed speech recognition |
| EP3985665B1 (en) * | 2018-04-05 | 2024-08-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method or computer program for estimating an inter-channel time difference |
| CN110556116B (zh) * | 2018-05-31 | 2021-10-22 | 华为技术有限公司 | 计算下混信号和残差信号的方法和装置 |
| EP3588495A1 (en) * | 2018-06-22 | 2020-01-01 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Multichannel audio coding |
| US11545165B2 (en) | 2018-07-03 | 2023-01-03 | Panasonic Intellectual Property Corporation Of America | Encoding device and encoding method using a determined prediction parameter based on an energy difference between channels |
| JP7092048B2 (ja) * | 2019-01-17 | 2022-06-28 | 日本電信電話株式会社 | 多地点制御方法、装置及びプログラム |
| EP3719799A1 (en) | 2019-04-04 | 2020-10-07 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | A multi-channel audio encoder, decoder, methods and computer program for switching between a parametric multi-channel operation and an individual channel operation |
| WO2020216459A1 (en) * | 2019-04-23 | 2020-10-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method or computer program for generating an output downmix representation |
| AU2019451532B2 (en) * | 2019-06-18 | 2025-02-06 | Razer (Asia-Pacific) Pte. Ltd. | Method and apparatus for optimizing input latency in a wireless human interface device system |
| CN114424282B (zh) | 2019-09-03 | 2026-03-24 | 杜比实验室特许公司 | 低时延低频率效应编译码器 |
| CN110459205B (zh) * | 2019-09-24 | 2022-04-12 | 京东科技控股股份有限公司 | 语音识别方法及装置、计算机可存储介质 |
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| AU2021357364B2 (en) | 2020-10-09 | 2024-06-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method, or computer program for processing an encoded audio scene using a parameter smoothing |
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