ZA201500888B - Encoding and decoding of audio signals - Google Patents
Encoding and decoding of audio signalsInfo
- Publication number
- ZA201500888B ZA201500888B ZA2015/00888A ZA201500888A ZA201500888B ZA 201500888 B ZA201500888 B ZA 201500888B ZA 2015/00888 A ZA2015/00888 A ZA 2015/00888A ZA 201500888 A ZA201500888 A ZA 201500888A ZA 201500888 B ZA201500888 B ZA 201500888B
- Authority
- ZA
- South Africa
- Prior art keywords
- decoding
- encoding
- audio signals
- audio
- signals
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title 1
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
- G10L19/04—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
-
- 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
- G10L19/0204—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
-
- 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
- G10L19/18—Vocoders using multiple modes
-
- 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
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261669197P | 2012-07-09 | 2012-07-09 | |
| PCT/IB2013/055628 WO2014009878A2 (en) | 2012-07-09 | 2013-07-09 | Encoding and decoding of audio signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA201500888B true ZA201500888B (en) | 2017-01-25 |
Family
ID=49170767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA2015/00888A ZA201500888B (en) | 2012-07-09 | 2015-02-06 | Encoding and decoding of audio signals |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US9478228B2 (enExample) |
| EP (2) | EP3748632A1 (enExample) |
| JP (1) | JP6231093B2 (enExample) |
| CN (1) | CN104428835B (enExample) |
| BR (1) | BR112015000247B1 (enExample) |
| MX (1) | MX342150B (enExample) |
| RU (1) | RU2643644C2 (enExample) |
| WO (1) | WO2014009878A2 (enExample) |
| ZA (1) | ZA201500888B (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9674587B2 (en) * | 2012-06-26 | 2017-06-06 | Sonos, Inc. | Systems and methods for networked music playback including remote add to queue |
| US9489954B2 (en) * | 2012-08-07 | 2016-11-08 | Dolby Laboratories Licensing Corporation | Encoding and rendering of object based audio indicative of game audio content |
| SG11201509001YA (en) | 2013-05-24 | 2015-12-30 | Dolby Int Ab | Audio encoder and decoder |
| US9774974B2 (en) * | 2014-09-24 | 2017-09-26 | Electronics And Telecommunications Research Institute | Audio metadata providing apparatus and method, and multichannel audio data playback apparatus and method to support dynamic format conversion |
| 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 |
| WO2016194563A1 (ja) | 2015-06-02 | 2016-12-08 | ソニー株式会社 | 送信装置、送信方法、メディア処理装置、メディア処理方法および受信装置 |
| US10693936B2 (en) | 2015-08-25 | 2020-06-23 | Qualcomm Incorporated | Transporting coded audio data |
| US9961467B2 (en) * | 2015-10-08 | 2018-05-01 | Qualcomm Incorporated | Conversion from channel-based audio to HOA |
| US9854375B2 (en) * | 2015-12-01 | 2017-12-26 | Qualcomm Incorporated | Selection of coded next generation audio data for transport |
| BR112018007276A2 (pt) | 2016-03-15 | 2018-10-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | aparelho, método ou programa de computador para gerar uma descrição de campo de som |
| EP3566473B8 (en) | 2017-03-06 | 2022-06-15 | Dolby International AB | Integrated reconstruction and rendering of audio signals |
| US9820073B1 (en) | 2017-05-10 | 2017-11-14 | Tls Corp. | Extracting a common signal from multiple audio signals |
| WO2020105423A1 (ja) | 2018-11-20 | 2020-05-28 | ソニー株式会社 | 情報処理装置および方法、並びにプログラム |
| GB2587614A (en) * | 2019-09-26 | 2021-04-07 | Nokia Technologies Oy | Audio encoding and audio decoding |
| JP7536733B2 (ja) * | 2020-11-24 | 2024-08-20 | ネイバー コーポレーション | オーディオと関連してユーザカスタム型臨場感を実現するためのコンピュータシステムおよびその方法 |
| KR102500694B1 (ko) * | 2020-11-24 | 2023-02-16 | 네이버 주식회사 | 사용자 맞춤형 현장감 실현을 위한 오디오 콘텐츠를 제작하는 컴퓨터 시스템 및 그의 방법 |
| JP7536735B2 (ja) * | 2020-11-24 | 2024-08-20 | ネイバー コーポレーション | ユーザカスタム型臨場感を実現するためのオーディオコンテンツを製作するコンピュータシステムおよびその方法 |
| KR20230165855A (ko) * | 2021-04-08 | 2023-12-05 | 노키아 테크놀로지스 오와이 | 공간 오디오 객체 분리 |
| CN115497485B (zh) * | 2021-06-18 | 2024-10-18 | 华为技术有限公司 | 三维音频信号编码方法、装置、编码器和系统 |
| WO2023077284A1 (zh) * | 2021-11-02 | 2023-05-11 | 北京小米移动软件有限公司 | 一种信号编解码方法、装置、用户设备、网络侧设备及存储介质 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7644003B2 (en) * | 2001-05-04 | 2010-01-05 | Agere Systems Inc. | Cue-based audio coding/decoding |
| RU2390857C2 (ru) * | 2004-04-05 | 2010-05-27 | Конинклейке Филипс Электроникс Н.В. | Многоканальный кодировщик |
| US7831434B2 (en) * | 2006-01-20 | 2010-11-09 | Microsoft Corporation | Complex-transform channel coding with extended-band frequency coding |
| US9014377B2 (en) * | 2006-05-17 | 2015-04-21 | Creative Technology Ltd | Multichannel surround format conversion and generalized upmix |
| US8345899B2 (en) * | 2006-05-17 | 2013-01-01 | Creative Technology Ltd | Phase-amplitude matrixed surround decoder |
| ES2378734T3 (es) * | 2006-10-16 | 2012-04-17 | Dolby International Ab | Codificación mejorada y representación de parámetros de codificación de objetos de mezcla descendente multicanal |
| CN101490745B (zh) * | 2006-11-24 | 2013-02-27 | Lg电子株式会社 | 用于编码和解码基于对象的音频信号的方法和装置 |
| US20090210239A1 (en) * | 2006-11-24 | 2009-08-20 | Lg Electronics Inc. | Method for Encoding and Decoding Object-Based Audio Signal and Apparatus Thereof |
| JP2008252834A (ja) * | 2007-03-30 | 2008-10-16 | Toshiba Corp | 音声再生装置 |
| US8612237B2 (en) * | 2007-04-04 | 2013-12-17 | Apple Inc. | Method and apparatus for determining audio spatial quality |
| RU2452043C2 (ru) * | 2007-10-17 | 2012-05-27 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | Аудиокодирование с использованием понижающего микширования |
| CA2710560C (en) * | 2008-01-01 | 2015-10-27 | Lg Electronics Inc. | A method and an apparatus for processing an audio signal |
| KR101596504B1 (ko) * | 2008-04-23 | 2016-02-23 | 한국전자통신연구원 | 객체기반 오디오 컨텐츠의 생성/재생 방법 및 객체기반 오디오 서비스를 위한 파일 포맷 구조를 가진 데이터를 기록한 컴퓨터 판독 가능 기록 매체 |
| EP2312578A4 (en) * | 2008-07-11 | 2012-09-12 | Nec Corp | SIGNAL ANALYSIS DEVICE, SIGNAL CONTROL DEVICE AND METHOD AND PROGRAM THEREFOR |
| WO2010090019A1 (ja) * | 2009-02-04 | 2010-08-12 | パナソニック株式会社 | 結合装置、遠隔通信システム及び結合方法 |
| KR101387902B1 (ko) * | 2009-06-10 | 2014-04-22 | 한국전자통신연구원 | 다객체 오디오 신호를 부호화하는 방법 및 부호화 장치, 복호화 방법 및 복호화 장치, 그리고 트랜스코딩 방법 및 트랜스코더 |
| AU2010264736B2 (en) * | 2009-06-24 | 2014-03-27 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stages |
| KR101615262B1 (ko) | 2009-08-12 | 2016-04-26 | 삼성전자주식회사 | 시멘틱 정보를 이용한 멀티 채널 오디오 인코딩 및 디코딩 방법 및 장치 |
| CA2775828C (en) * | 2009-09-29 | 2016-03-29 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio signal decoder, audio signal encoder, method for providing an upmix signal representation, method for providing a downmix signal representation, computer program and bitstream using a common inter-object-correlation parameter value |
| KR101666465B1 (ko) * | 2010-07-22 | 2016-10-17 | 삼성전자주식회사 | 다채널 오디오 신호 부호화/복호화 장치 및 방법 |
| EP2686654A4 (en) * | 2011-03-16 | 2015-03-11 | Dts Inc | CODING AND PLAYING THREE-DIMENSIONAL AUDIOSPURES |
| KR20130093798A (ko) * | 2012-01-02 | 2013-08-23 | 한국전자통신연구원 | 다채널 신호 부호화 및 복호화 장치 및 방법 |
-
2013
- 2013-07-09 MX MX2015000113A patent/MX342150B/es active IP Right Grant
- 2013-07-09 BR BR112015000247-1A patent/BR112015000247B1/pt active IP Right Grant
- 2013-07-09 EP EP20182398.6A patent/EP3748632A1/en not_active Withdrawn
- 2013-07-09 EP EP13762579.4A patent/EP2870603B1/en active Active
- 2013-07-09 WO PCT/IB2013/055628 patent/WO2014009878A2/en not_active Ceased
- 2013-07-09 JP JP2015521121A patent/JP6231093B2/ja active Active
- 2013-07-09 CN CN201380036886.9A patent/CN104428835B/zh active Active
- 2013-07-09 US US14/413,234 patent/US9478228B2/en active Active
- 2013-07-09 RU RU2015104074A patent/RU2643644C2/ru active
-
2015
- 2015-02-06 ZA ZA2015/00888A patent/ZA201500888B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US20150142453A1 (en) | 2015-05-21 |
| RU2015104074A (ru) | 2016-08-27 |
| BR112015000247B1 (pt) | 2021-08-03 |
| RU2643644C2 (ru) | 2018-02-02 |
| MX2015000113A (es) | 2015-08-10 |
| JP6231093B2 (ja) | 2017-11-15 |
| MX342150B (es) | 2016-09-15 |
| WO2014009878A3 (en) | 2014-03-13 |
| WO2014009878A2 (en) | 2014-01-16 |
| US9478228B2 (en) | 2016-10-25 |
| CN104428835B (zh) | 2017-10-31 |
| EP3748632A1 (en) | 2020-12-09 |
| EP2870603A2 (en) | 2015-05-13 |
| EP2870603B1 (en) | 2020-09-30 |
| BR112015000247A2 (pt) | 2017-06-27 |
| CN104428835A (zh) | 2015-03-18 |
| JP2015527609A (ja) | 2015-09-17 |
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