CA3110057C - Method and apparatus for compressing and decompressing a higher order ambisonics representation - Google Patents
Method and apparatus for compressing and decompressing a higher order ambisonics representation Download PDFInfo
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- CA3110057C CA3110057C CA3110057A CA3110057A CA3110057C CA 3110057 C CA3110057 C CA 3110057C CA 3110057 A CA3110057 A CA 3110057A CA 3110057 A CA3110057 A CA 3110057A CA 3110057 C CA3110057 C CA 3110057C
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Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- 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
-
- 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
-
- 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
- H04S2420/13—Application of wave-field synthesis in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA3168901A CA3168901C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168906A CA3168906C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168921A CA3168921C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3190346A CA3190346A1 (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3190353A CA3190353A1 (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3168916A CA3168916C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13305558.2A EP2800401A1 (en) | 2013-04-29 | 2013-04-29 | Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation |
| EP13305558.2 | 2013-04-29 | ||
| CA2907595A CA2907595C (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2907595A Division CA2907595C (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
Related Child Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3190353A Division CA3190353A1 (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3168906A Division CA3168906C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3190346A Division CA3190346A1 (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3168921A Division CA3168921C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168901A Division CA3168901C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168916A Division CA3168916C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA3110057A1 CA3110057A1 (en) | 2014-11-06 |
| CA3110057C true CA3110057C (en) | 2023-04-04 |
Family
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Family Applications (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3110057A Active CA3110057C (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA2907595A Active CA2907595C (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3190346A Pending CA3190346A1 (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3190353A Pending CA3190353A1 (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3168921A Active CA3168921C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168906A Active CA3168906C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168901A Active CA3168901C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168916A Active CA3168916C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
Family Applications After (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2907595A Active CA2907595C (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3190346A Pending CA3190346A1 (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3190353A Pending CA3190353A1 (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3168921A Active CA3168921C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168906A Active CA3168906C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168901A Active CA3168901C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168916A Active CA3168916C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
Country Status (10)
| Country | Link |
|---|---|
| US (10) | US9736607B2 (enExample) |
| EP (6) | EP2800401A1 (enExample) |
| JP (8) | JP6395811B2 (enExample) |
| KR (6) | KR102672762B1 (enExample) |
| CN (5) | CN107146627B (enExample) |
| CA (8) | CA3110057C (enExample) |
| MX (6) | MX384230B (enExample) |
| MY (2) | MY176454A (enExample) |
| RU (1) | RU2668060C2 (enExample) |
| WO (1) | WO2014177455A1 (enExample) |
Families Citing this family (39)
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| US9674587B2 (en) * | 2012-06-26 | 2017-06-06 | Sonos, Inc. | Systems and methods for networked music playback including remote add to queue |
| EP2743922A1 (en) | 2012-12-12 | 2014-06-18 | Thomson Licensing | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| US9412385B2 (en) * | 2013-05-28 | 2016-08-09 | Qualcomm Incorporated | Performing spatial masking with respect to spherical harmonic coefficients |
| US9502044B2 (en) | 2013-05-29 | 2016-11-22 | Qualcomm Incorporated | Compression of decomposed representations of a sound field |
| US9466305B2 (en) | 2013-05-29 | 2016-10-11 | Qualcomm Incorporated | Performing positional analysis to code spherical harmonic coefficients |
| EP2824661A1 (en) | 2013-07-11 | 2015-01-14 | Thomson Licensing | Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals |
| CN111179951B (zh) * | 2014-01-08 | 2024-03-01 | 杜比国际公司 | 包括编码hoa表示的位流的解码方法和装置、以及介质 |
| US9922656B2 (en) * | 2014-01-30 | 2018-03-20 | Qualcomm Incorporated | Transitioning of ambient higher-order ambisonic coefficients |
| US9489955B2 (en) | 2014-01-30 | 2016-11-08 | Qualcomm Incorporated | Indicating frame parameter reusability for coding vectors |
| US9818413B2 (en) | 2014-03-21 | 2017-11-14 | Dolby Laboratories Licensing Corporation | Method for compressing a higher order ambisonics signal, method for decompressing (HOA) a compressed HOA signal, apparatus for compressing a HOA signal, and apparatus for decompressing a compressed HOA signal |
| EP2922057A1 (en) | 2014-03-21 | 2015-09-23 | Thomson Licensing | Method for compressing a Higher Order Ambisonics (HOA) signal, method for decompressing a compressed HOA signal, apparatus for compressing a HOA signal, and apparatus for decompressing a compressed HOA signal |
| KR102201726B1 (ko) | 2014-03-21 | 2021-01-12 | 돌비 인터네셔널 에이비 | 고차 앰비소닉스(hoa) 신호를 압축하는 방법, 압축된 hoa 신호를 압축 해제하는 방법, hoa 신호를 압축하기 위한 장치, 및 압축된 hoa 신호를 압축 해제하기 위한 장치 |
| US10770087B2 (en) | 2014-05-16 | 2020-09-08 | Qualcomm Incorporated | Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals |
| US9852737B2 (en) | 2014-05-16 | 2017-12-26 | Qualcomm Incorporated | Coding vectors decomposed from higher-order ambisonics audio signals |
| JP6656182B2 (ja) | 2014-06-27 | 2020-03-04 | ドルビー・インターナショナル・アーベー | Ｈｏａデータ・フレーム表現のデータ・フレームの個々のもののチャネル信号に関連付けられた非差分的な利得値を含む符号化されたｈｏａデータ・フレーム表現 |
| CN119864039A (zh) | 2014-06-27 | 2025-04-22 | 杜比国际公司 | 针对hoa数据帧表示的压缩确定表示非差分增益值所需的最小整数比特数的方法 |
| EP3162086B1 (en) | 2014-06-27 | 2021-04-07 | Dolby International AB | Apparatus for determining for the compression of an hoa data frame representation a lowest integer number of bits required for representing non-differential gain values |
| EP2960903A1 (en) | 2014-06-27 | 2015-12-30 | Thomson Licensing | Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values |
| EP2963948A1 (en) | 2014-07-02 | 2016-01-06 | Thomson Licensing | Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a HOA signal representation |
| EP3164867A1 (en) | 2014-07-02 | 2017-05-10 | Dolby International AB | Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a hoa signal representation |
| EP3164866A1 (en) | 2014-07-02 | 2017-05-10 | Dolby International AB | Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a hoa signal representation |
| KR102433192B1 (ko) | 2014-07-02 | 2022-08-18 | 돌비 인터네셔널 에이비 | 압축된 ｈｏａ 표현을 디코딩하기 위한 방법 및 장치와 압축된 ｈｏａ 표현을 인코딩하기 위한 방법 및 장치 |
| EP2963949A1 (en) | 2014-07-02 | 2016-01-06 | Thomson Licensing | Method and apparatus for decoding a compressed HOA representation, and method and apparatus for encoding a compressed HOA representation |
| US9736606B2 (en) * | 2014-08-01 | 2017-08-15 | Qualcomm Incorporated | Editing of higher-order ambisonic audio data |
| US9747910B2 (en) | 2014-09-26 | 2017-08-29 | Qualcomm Incorporated | Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework |
| EP3007167A1 (en) | 2014-10-10 | 2016-04-13 | Thomson Licensing | Method and apparatus for low bit rate compression of a Higher Order Ambisonics HOA signal representation of a sound field |
| US12087311B2 (en) | 2015-07-30 | 2024-09-10 | Dolby Laboratories Licensing Corporation | Method and apparatus for encoding and decoding an HOA representation |
| WO2017017262A1 (en) | 2015-07-30 | 2017-02-02 | Dolby International Ab | Method and apparatus for generating from an hoa signal representation a mezzanine hoa signal representation |
| US10257632B2 (en) | 2015-08-31 | 2019-04-09 | Dolby Laboratories Licensing Corporation | Method for frame-wise combined decoding and rendering of a compressed HOA signal and apparatus for frame-wise combined decoding and rendering of a compressed HOA signal |
| US9881628B2 (en) * | 2016-01-05 | 2018-01-30 | Qualcomm Incorporated | Mixed domain coding of audio |
| EP3579577B1 (en) * | 2016-03-15 | 2024-11-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method or computer program for generating a sound field description |
| US10332530B2 (en) * | 2017-01-27 | 2019-06-25 | Google Llc | Coding of a soundfield representation |
| JP6811312B2 (ja) | 2017-05-01 | 2021-01-13 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ | 符号化装置及び符号化方法 |
| US10405126B2 (en) * | 2017-06-30 | 2019-09-03 | Qualcomm Incorporated | Mixed-order ambisonics (MOA) audio data for computer-mediated reality systems |
| EP3818730A4 (en) * | 2018-07-03 | 2022-08-31 | Nokia Technologies Oy | Energy-ratio signalling and synthesis |
| CN110113119A (zh) * | 2019-04-26 | 2019-08-09 | 国家无线电监测中心 | 一种基于人工智能算法的无线信道建模方法 |
| CN114582357B (zh) * | 2020-11-30 | 2025-09-12 | 华为技术有限公司 | 一种音频编解码方法和装置 |
| US11743670B2 (en) | 2020-12-18 | 2023-08-29 | Qualcomm Incorporated | Correlation-based rendering with multiple distributed streams accounting for an occlusion for six degree of freedom applications |
| CN115938388A (zh) * | 2021-05-31 | 2023-04-07 | 华为技术有限公司 | 一种三维音频信号的处理方法和装置 |
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| AUPP272598A0 (en) * | 1998-03-31 | 1998-04-23 | Lake Dsp Pty Limited | Wavelet conversion of 3-d audio signals |
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| EP1841284A1 (en) * | 2006-03-29 | 2007-10-03 | Phonak AG | Hearing instrument for storing encoded audio data, method of operating and manufacturing thereof |
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| EP2205007B1 (en) | 2008-12-30 | 2019-01-09 | Dolby International AB | Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction |
| WO2010093224A2 (ko) * | 2009-02-16 | 2010-08-19 | 한국전자통신연구원 | 적응적 정현파 펄스 코딩을 이용한 오디오 신호의 인코딩 및 디코딩 방법 및 장치 |
| KR102622947B1 (ko) * | 2010-03-26 | 2024-01-10 | 돌비 인터네셔널 에이비 | 오디오 재생을 위한 오디오 사운드필드 표현을 디코딩하는 방법 및 장치 |
| EP2450880A1 (en) * | 2010-11-05 | 2012-05-09 | Thomson Licensing | Data structure for Higher Order Ambisonics audio data |
| 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 |
| CN102903366A (zh) * | 2012-09-18 | 2013-01-30 | 重庆大学 | 一种基于g729语音压缩编码算法的dsp优化方法 |
| EP2743922A1 (en) | 2012-12-12 | 2014-06-18 | Thomson Licensing | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| EP2765791A1 (en) | 2013-02-08 | 2014-08-13 | Thomson Licensing | Method and apparatus for determining directions of uncorrelated sound sources in a higher order ambisonics representation of a sound field |
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