CN111179956B - 音频信号的参数化重构 - Google Patents
音频信号的参数化重构 Download PDFInfo
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- CN111179956B CN111179956B CN202010024095.6A CN202010024095A CN111179956B CN 111179956 B CN111179956 B CN 111179956B CN 202010024095 A CN202010024095 A CN 202010024095A CN 111179956 B CN111179956 B CN 111179956B
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- 230000005236 sound signal Effects 0.000 title claims abstract description 132
- 239000011159 matrix material Substances 0.000 claims abstract description 177
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- 238000004590 computer program Methods 0.000 description 8
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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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- 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
- G10L19/0212—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 orthogonal transformation
-
- 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
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
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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
- G10L19/04—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
- G10L19/26—Pre-filtering or post-filtering
- G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
- H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation of the pseudo five- or more-channel type, e.g. virtual surround
-
- 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)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Stereophonic System (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010024095.6A CN111179956B (zh) | 2013-10-21 | 2014-10-21 | 音频信号的参数化重构 |
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361893770P | 2013-10-21 | 2013-10-21 | |
| US61/893,770 | 2013-10-21 | ||
| US201461974544P | 2014-04-03 | 2014-04-03 | |
| US61/974,544 | 2014-04-03 | ||
| US201462037693P | 2014-08-15 | 2014-08-15 | |
| US62/037,693 | 2014-08-15 | ||
| CN202010024095.6A CN111179956B (zh) | 2013-10-21 | 2014-10-21 | 音频信号的参数化重构 |
| CN201480057568.5A CN105917406B (zh) | 2013-10-21 | 2014-10-21 | 音频信号的参数化重构 |
| PCT/EP2014/072570 WO2015059153A1 (en) | 2013-10-21 | 2014-10-21 | Parametric reconstruction of audio signals |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480057568.5A Division CN105917406B (zh) | 2013-10-21 | 2014-10-21 | 音频信号的参数化重构 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111179956A CN111179956A (zh) | 2020-05-19 |
| CN111179956B true CN111179956B (zh) | 2023-08-11 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
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| CN202010024095.6A Active CN111179956B (zh) | 2013-10-21 | 2014-10-21 | 音频信号的参数化重构 |
| CN201480057568.5A Active CN105917406B (zh) | 2013-10-21 | 2014-10-21 | 音频信号的参数化重构 |
| CN202010024100.3A Active CN111192592B (zh) | 2013-10-21 | 2014-10-21 | 音频信号的参数化重构 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480057568.5A Active CN105917406B (zh) | 2013-10-21 | 2014-10-21 | 音频信号的参数化重构 |
| CN202010024100.3A Active CN111192592B (zh) | 2013-10-21 | 2014-10-21 | 音频信号的参数化重构 |
Country Status (9)
| Country | Link |
|---|---|
| US (6) | US9978385B2 (enExample) |
| EP (1) | EP3061089B1 (enExample) |
| JP (1) | JP6479786B2 (enExample) |
| KR (5) | KR102741608B1 (enExample) |
| CN (3) | CN111179956B (enExample) |
| BR (1) | BR112016008817B1 (enExample) |
| ES (1) | ES2660778T3 (enExample) |
| RU (1) | RU2648947C2 (enExample) |
| WO (1) | WO2015059153A1 (enExample) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111179956B (zh) | 2013-10-21 | 2023-08-11 | 杜比国际公司 | 音频信号的参数化重构 |
| AU2014339065B2 (en) * | 2013-10-21 | 2017-04-20 | Dolby International Ab | Decorrelator structure for parametric reconstruction of audio signals |
| JP6640849B2 (ja) | 2014-10-31 | 2020-02-05 | ドルビー・インターナショナル・アーベー | マルチチャネル・オーディオ信号のパラメトリック・エンコードおよびデコード |
| TWI587286B (zh) | 2014-10-31 | 2017-06-11 | 杜比國際公司 | 音頻訊號之解碼和編碼的方法及系統、電腦程式產品、與電腦可讀取媒體 |
| US9986363B2 (en) | 2016-03-03 | 2018-05-29 | Mach 1, Corp. | Applications and format for immersive spatial sound |
| CN106851489A (zh) * | 2017-03-23 | 2017-06-13 | 李业科 | 在小房间摆放多声道音箱的方法 |
| US9820073B1 (en) | 2017-05-10 | 2017-11-14 | Tls Corp. | Extracting a common signal from multiple audio signals |
| SG11202000510VA (en) | 2017-07-28 | 2020-02-27 | Fraunhofer Ges Forschung | Apparatus for encoding or decoding an encoded multichannel signal using a filling signal generated by a broad band filter |
| WO2019145955A1 (en) | 2018-01-26 | 2019-08-01 | Hadasit Medical Research Services & Development Limited | Non-metallic magnetic resonance contrast agent |
| JP7107727B2 (ja) * | 2018-04-17 | 2022-07-27 | シャープ株式会社 | 音声処理装置、音声処理方法、プログラム、及び、プログラムの記録媒体 |
| IL319703A (en) | 2018-04-25 | 2025-05-01 | Dolby Int Ab | Combining high-frequency reconstruction techniques with reduced post-processing delay |
| KR102848399B1 (ko) | 2018-04-25 | 2025-08-21 | 돌비 인터네셔널 에이비 | 고주파 오디오 재구성 기술의 통합 |
| FR3101741A1 (fr) * | 2019-10-02 | 2021-04-09 | Orange | Détermination de corrections à appliquer à un signal audio multicanal, codage et décodage associés |
| CN111696625A (zh) * | 2020-04-21 | 2020-09-22 | 天津金域医学检验实验室有限公司 | 一种fish室荧光计数系统 |
| PL4165629T3 (pl) * | 2020-06-11 | 2025-07-07 | Dolby Laboratories Licensing Corporation | Sposoby i urządzenia do kodowania dekodowania przestrzennego szumu tła w obrębie welokanałowego sygnału wejściowego |
| KR20230116895A (ko) | 2020-12-02 | 2023-08-04 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 적응적 다운믹스 전략을 통한 몰입형 음성 및 오디오서비스(ivas) |
| TW202334938A (zh) | 2021-12-20 | 2023-09-01 | 瑞典商都比國際公司 | 正交鏡像濾波器域中之沉浸式音訊及視訊服務空間重建濾波器庫 |
| EP4595456A2 (en) * | 2022-09-30 | 2025-08-06 | Sonos, Inc. | Home theatre audio playback with multichannel satellite playback devices |
| WO2024097485A1 (en) | 2022-10-31 | 2024-05-10 | Dolby Laboratories Licensing Corporation | Low bitrate scene-based audio coding |
| TW202508311A (zh) | 2023-07-03 | 2025-02-16 | 美商杜拜研究特許公司 | 基於場景之音訊單聲道解碼之方法、裝置及系統 |
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