JP6605725B2 - 複数の遷移の間の高次アンビソニック係数のコーディング - Google Patents
複数の遷移の間の高次アンビソニック係数のコーディング Download PDFInfo
- Publication number
- JP6605725B2 JP6605725B2 JP2018519046A JP2018519046A JP6605725B2 JP 6605725 B2 JP6605725 B2 JP 6605725B2 JP 2018519046 A JP2018519046 A JP 2018519046A JP 2018519046 A JP2018519046 A JP 2018519046A JP 6605725 B2 JP6605725 B2 JP 6605725B2
- Authority
- JP
- Japan
- Prior art keywords
- indication
- frame
- foreground
- vector
- bitstream
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- 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
- G10L19/04—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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
-
- 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
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/11—Application of ambisonics in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Mathematical Physics (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Mathematical Analysis (AREA)
- Theoretical Computer Science (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562241665P | 2015-10-14 | 2015-10-14 | |
| US62/241,665 | 2015-10-14 | ||
| US15/290,229 US9959880B2 (en) | 2015-10-14 | 2016-10-11 | Coding higher-order ambisonic coefficients during multiple transitions |
| US15/290,229 | 2016-10-11 | ||
| PCT/US2016/056625 WO2017066312A1 (en) | 2015-10-14 | 2016-10-12 | Coding higher-order ambisonic coefficients during multiple transitions |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018534617A JP2018534617A (ja) | 2018-11-22 |
| JP2018534617A5 JP2018534617A5 (enExample) | 2019-04-25 |
| JP6605725B2 true JP6605725B2 (ja) | 2019-11-13 |
Family
ID=57178550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018519046A Expired - Fee Related JP6605725B2 (ja) | 2015-10-14 | 2016-10-12 | 複数の遷移の間の高次アンビソニック係数のコーディング |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9959880B2 (enExample) |
| EP (1) | EP3363213B1 (enExample) |
| JP (1) | JP6605725B2 (enExample) |
| KR (1) | KR102077412B1 (enExample) |
| CN (1) | CN108141690B (enExample) |
| CA (1) | CA2999289C (enExample) |
| WO (1) | WO2017066312A1 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9959880B2 (en) * | 2015-10-14 | 2018-05-01 | Qualcomm Incorporated | Coding higher-order ambisonic coefficients during multiple transitions |
| CN118824260A (zh) | 2018-04-11 | 2024-10-22 | 杜比国际公司 | 用于6dof音频渲染的方法、设备和系统及用于6dof音频渲染的数据表示和位流结构 |
| GB2582748A (en) * | 2019-03-27 | 2020-10-07 | Nokia Technologies Oy | Sound field related rendering |
| WO2020253941A1 (en) | 2019-06-17 | 2020-12-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder with a signal-dependent number and precision control, audio decoder, and related methods and computer programs |
| US12308034B2 (en) | 2019-06-24 | 2025-05-20 | Qualcomm Incorporated | Performing psychoacoustic audio coding based on operating conditions |
| US12142285B2 (en) * | 2019-06-24 | 2024-11-12 | Qualcomm Incorporated | Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding |
| US20240129681A1 (en) * | 2022-10-12 | 2024-04-18 | Qualcomm Incorporated | Scaling audio sources in extended reality systems |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010070225A1 (fr) | 2008-12-15 | 2010-06-24 | France Telecom | Codage perfectionne de signaux audionumeriques multicanaux |
| EP2469741A1 (en) * | 2010-12-21 | 2012-06-27 | Thomson Licensing | Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field |
| EP2665208A1 (en) * | 2012-05-14 | 2013-11-20 | Thomson Licensing | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
| US9082198B2 (en) * | 2012-10-19 | 2015-07-14 | Qualcomm Technologies, Inc. | Method for creating automatic cinemagraphs on an imagine device |
| US9883312B2 (en) | 2013-05-29 | 2018-01-30 | Qualcomm Incorporated | Transformed higher order ambisonics audio data |
| US9489955B2 (en) | 2014-01-30 | 2016-11-08 | Qualcomm Incorporated | Indicating frame parameter reusability for coding vectors |
| US9922656B2 (en) | 2014-01-30 | 2018-03-20 | Qualcomm Incorporated | Transitioning of ambient higher-order ambisonic coefficients |
| US9959880B2 (en) * | 2015-10-14 | 2018-05-01 | Qualcomm Incorporated | Coding higher-order ambisonic coefficients during multiple transitions |
-
2016
- 2016-10-11 US US15/290,229 patent/US9959880B2/en active Active
- 2016-10-12 WO PCT/US2016/056625 patent/WO2017066312A1/en not_active Ceased
- 2016-10-12 CN CN201680059641.1A patent/CN108141690B/zh active Active
- 2016-10-12 EP EP16784721.9A patent/EP3363213B1/en active Active
- 2016-10-12 KR KR1020187009995A patent/KR102077412B1/ko not_active Expired - Fee Related
- 2016-10-12 JP JP2018519046A patent/JP6605725B2/ja not_active Expired - Fee Related
- 2016-10-12 CA CA2999289A patent/CA2999289C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| BR112018007574A2 (pt) | 2018-10-23 |
| CA2999289A1 (en) | 2017-04-20 |
| CN108141690A (zh) | 2018-06-08 |
| US20170110140A1 (en) | 2017-04-20 |
| CN108141690B (zh) | 2021-03-02 |
| EP3363213A1 (en) | 2018-08-22 |
| JP2018534617A (ja) | 2018-11-22 |
| CA2999289C (en) | 2021-10-19 |
| KR20180068974A (ko) | 2018-06-22 |
| WO2017066312A1 (en) | 2017-04-20 |
| US9959880B2 (en) | 2018-05-01 |
| KR102077412B1 (ko) | 2020-02-13 |
| EP3363213B1 (en) | 2021-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6449455B2 (ja) | 高次アンビソニック(hoa)バックグラウンドチャネル間の相関の低減 | |
| JP6542297B2 (ja) | フレームパラメータ再使用可能性を示すこと | |
| JP6612337B2 (ja) | 高次アンビソニックオーディオデータのスケーラブルコーディングのためのレイヤのシグナリング | |
| KR102077375B1 (ko) | Hoa 콘텐츠의 스크린 관련된 적응 | |
| JP6605725B2 (ja) | 複数の遷移の間の高次アンビソニック係数のコーディング | |
| KR102329373B1 (ko) | 고차 앰비소닉 오디오 신호들로부터 분해된 코딩 벡터들에 대한 코드북들 선택 | |
| JP6293930B2 (ja) | 高次アンビソニック係数においてスカラー量子化とベクトル量子化との間で決定すること | |
| JP2017513053A (ja) | 音場の記述へのオーディオチャンネルの挿入 | |
| JP2017516149A (ja) | 高次アンビソニックスオーディオ信号から分解されたベクトルをコード化すること | |
| JP2017534910A (ja) | 高次アンビソニックオーディオデータのスケーラブルコーディングのためのチャネルのシグナリング | |
| JP2017520785A (ja) | 高次アンビソニック係数の閉ループ量子化 | |
| JP2017519417A (ja) | 高次アンビソニック信号の間のクロスフェージング | |
| JP6297721B2 (ja) | 高次アンビソニックオーディオレンダラのための希薄情報を取得すること | |
| JP6423009B2 (ja) | 高次アンビソニックオーディオレンダラのためのシンメトリ情報を取得すること | |
| BR112018007574B1 (pt) | Codificação de coeficientes ambissônicos de ordem superior durante múltiplas transições |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180625 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190311 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190311 |
|
| A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20190311 |
|
| A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20190416 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190507 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190807 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20190917 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20191016 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6605725 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |