JP2017519417A - 高次アンビソニック信号の間のクロスフェージング - Google Patents
高次アンビソニック信号の間のクロスフェージング Download PDFInfo
- Publication number
- JP2017519417A JP2017519417A JP2016567095A JP2016567095A JP2017519417A JP 2017519417 A JP2017519417 A JP 2017519417A JP 2016567095 A JP2016567095 A JP 2016567095A JP 2016567095 A JP2016567095 A JP 2016567095A JP 2017519417 A JP2017519417 A JP 2017519417A
- Authority
- JP
- Japan
- Prior art keywords
- shc
- shcs
- unit
- audio
- vector
- 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.)
- Pending
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
- G10L19/002—Dynamic bit allocation
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)
- Stereophonic System (AREA)
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201461994763P | 2014-05-16 | 2014-05-16 | |
| US61/994,763 | 2014-05-16 | ||
| US201462004076P | 2014-05-28 | 2014-05-28 | |
| US62/004,076 | 2014-05-28 | ||
| US201562118434P | 2015-02-19 | 2015-02-19 | |
| US62/118,434 | 2015-02-19 | ||
| US14/712,854 | 2015-05-14 | ||
| US14/712,854 US10134403B2 (en) | 2014-05-16 | 2015-05-14 | Crossfading between higher order ambisonic signals |
| PCT/US2015/031195 WO2015176005A1 (en) | 2014-05-16 | 2015-05-15 | Crossfading between higher order ambisonic signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2017519417A true JP2017519417A (ja) | 2017-07-13 |
| JP2017519417A5 JP2017519417A5 (enExample) | 2018-06-07 |
Family
ID=53298603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016567095A Pending JP2017519417A (ja) | 2014-05-16 | 2015-05-15 | 高次アンビソニック信号の間のクロスフェージング |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10134403B2 (enExample) |
| EP (1) | EP3143617B1 (enExample) |
| JP (1) | JP2017519417A (enExample) |
| KR (1) | KR20170010367A (enExample) |
| CN (1) | CN106471578B (enExample) |
| WO (1) | WO2015176005A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7449184B2 (ja) | 2020-07-13 | 2024-03-13 | 日本放送協会 | 音場モデリング装置及びプログラム |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9961467B2 (en) * | 2015-10-08 | 2018-05-01 | Qualcomm Incorporated | Conversion from channel-based audio to HOA |
| US10249312B2 (en) | 2015-10-08 | 2019-04-02 | Qualcomm Incorporated | Quantization of spatial vectors |
| US9961475B2 (en) * | 2015-10-08 | 2018-05-01 | Qualcomm Incorporated | Conversion from object-based audio to HOA |
| WO2018201113A1 (en) * | 2017-04-28 | 2018-11-01 | Dts, Inc. | Audio coder window and transform implementations |
| US10887717B2 (en) * | 2018-07-12 | 2021-01-05 | Sony Interactive Entertainment Inc. | Method for acoustically rendering the size of sound a source |
| JP7447085B2 (ja) * | 2018-08-21 | 2024-03-11 | ドルビー・インターナショナル・アーベー | コンパンディングによる密過渡イベントの符号化 |
| DE112021005027T5 (de) | 2020-09-25 | 2023-08-10 | Apple Inc. | Nahtloses skalierbares decodieren von kanälen, objekten und hoa-audioinhalt |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000267686A (ja) * | 1999-03-19 | 2000-09-29 | Victor Co Of Japan Ltd | 信号伝送方式及び復号化装置 |
| US20120259442A1 (en) * | 2009-10-07 | 2012-10-11 | The University Of Sydney | Reconstruction of a recorded 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 |
| US20140016784A1 (en) * | 2012-07-15 | 2014-01-16 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding |
| JP2017514159A (ja) * | 2014-03-21 | 2017-06-01 | ドルビー・インターナショナル・アーベー | 高次アンビソニックス(hoa)信号を圧縮する方法、圧縮されたhoa信号を圧縮解除する方法、hoa信号を圧縮する装置および圧縮されたhoa信号を圧縮解除する装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2410164A (en) * | 2004-01-16 | 2005-07-20 | Anthony John Andrews | Sound feature positioner |
| TW200840368A (en) * | 2006-12-22 | 2008-10-01 | Qualcomm Inc | Techniques for content adaptive video frame slicing and non-uniform access unit coding |
| US8473084B2 (en) * | 2010-09-01 | 2013-06-25 | Apple Inc. | Audio crossfading |
| FR2969805A1 (fr) * | 2010-12-23 | 2012-06-29 | France Telecom | Codage bas retard alternant codage predictif et codage par transformee |
| EP2656341B1 (en) * | 2010-12-24 | 2018-02-21 | Huawei Technologies Co., Ltd. | Apparatus for performing a voice activity detection |
| US9190065B2 (en) * | 2012-07-15 | 2015-11-17 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for three-dimensional audio coding using basis function coefficients |
| EP2782094A1 (en) * | 2013-03-22 | 2014-09-24 | Thomson Licensing | Method and apparatus for enhancing directivity of a 1st order Ambisonics signal |
| US9716959B2 (en) | 2013-05-29 | 2017-07-25 | Qualcomm Incorporated | Compensating for error in decomposed representations of sound fields |
| US9922656B2 (en) | 2014-01-30 | 2018-03-20 | Qualcomm Incorporated | Transitioning of ambient higher-order ambisonic coefficients |
-
2015
- 2015-05-14 US US14/712,854 patent/US10134403B2/en active Active
- 2015-05-15 CN CN201580027072.8A patent/CN106471578B/zh not_active Expired - Fee Related
- 2015-05-15 JP JP2016567095A patent/JP2017519417A/ja active Pending
- 2015-05-15 KR KR1020167032935A patent/KR20170010367A/ko not_active Withdrawn
- 2015-05-15 EP EP15727505.8A patent/EP3143617B1/en active Active
- 2015-05-15 WO PCT/US2015/031195 patent/WO2015176005A1/en not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000267686A (ja) * | 1999-03-19 | 2000-09-29 | Victor Co Of Japan Ltd | 信号伝送方式及び復号化装置 |
| US20120259442A1 (en) * | 2009-10-07 | 2012-10-11 | The University Of Sydney | Reconstruction of a recorded 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 |
| US20140016784A1 (en) * | 2012-07-15 | 2014-01-16 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding |
| JP2017514159A (ja) * | 2014-03-21 | 2017-06-01 | ドルビー・インターナショナル・アーベー | 高次アンビソニックス(hoa)信号を圧縮する方法、圧縮されたhoa信号を圧縮解除する方法、hoa信号を圧縮する装置および圧縮されたhoa信号を圧縮解除する装置 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7449184B2 (ja) | 2020-07-13 | 2024-03-13 | 日本放送協会 | 音場モデリング装置及びプログラム |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106471578B (zh) | 2020-03-31 |
| US10134403B2 (en) | 2018-11-20 |
| CN106471578A (zh) | 2017-03-01 |
| EP3143617A1 (en) | 2017-03-22 |
| EP3143617B1 (en) | 2020-08-26 |
| WO2015176005A1 (en) | 2015-11-19 |
| US20150332683A1 (en) | 2015-11-19 |
| KR20170010367A (ko) | 2017-01-31 |
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Legal Events
| Date | Code | Title | Description |
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| A521 | Request for written amendment filed |
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| A621 | Written request for application examination |
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| A977 | Report on retrieval |
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| A131 | Notification of reasons for refusal |
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