TWI645397B - 用於音場之高階保真立體音響表示的壓縮與解壓縮方法及裝置 - Google Patents
用於音場之高階保真立體音響表示的壓縮與解壓縮方法及裝置 Download PDFInfo
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- TWI645397B TWI645397B TW106137200A TW106137200A TWI645397B TW I645397 B TWI645397 B TW I645397B TW 106137200 A TW106137200 A TW 106137200A TW 106137200 A TW106137200 A TW 106137200A TW I645397 B TWI645397 B TW I645397B
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- hoa
- signal
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
-
- 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
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/86—Arrangements characterised by the broadcast information itself
- H04H20/88—Stereophonic broadcast systems
- H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic
-
- 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)
- 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)
- Percussion Or Vibration Massage (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12306569.0A EP2743922A1 (en) | 2012-12-12 | 2012-12-12 | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| ??12306569.0 | 2012-12-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201807703A TW201807703A (zh) | 2018-03-01 |
| TWI645397B true TWI645397B (zh) | 2018-12-21 |
Family
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Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
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| TW106137200A TWI645397B (zh) | 2012-12-12 | 2013-12-05 | 用於音場之高階保真立體音響表示的壓縮與解壓縮方法及裝置 |
| TW107135270A TWI681386B (zh) | 2012-12-12 | 2013-12-05 | 用於音場之高階保真立體音響表示的壓縮與解壓縮方法及裝置 |
| TW111146080A TWI868526B (zh) | 2012-12-12 | 2013-12-05 | 用於音場之高階保真立體音響表示的壓縮與解壓縮方法及裝置 |
| TW108142367A TWI729581B (zh) | 2012-12-12 | 2013-12-05 | 用於音場之高階保真立體音響表示的壓縮與解壓縮方法及裝置 |
| TW102144508A TWI611397B (zh) | 2012-12-12 | 2013-12-05 | 用於音場之高階保真立體音響表示的壓縮與解壓縮方法及裝置 |
| TW110115843A TWI788833B (zh) | 2012-12-12 | 2013-12-05 | 用於音場之高階保真立體音響表示的壓縮與解壓縮方法及裝置 |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
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| TW107135270A TWI681386B (zh) | 2012-12-12 | 2013-12-05 | 用於音場之高階保真立體音響表示的壓縮與解壓縮方法及裝置 |
| TW111146080A TWI868526B (zh) | 2012-12-12 | 2013-12-05 | 用於音場之高階保真立體音響表示的壓縮與解壓縮方法及裝置 |
| TW108142367A TWI729581B (zh) | 2012-12-12 | 2013-12-05 | 用於音場之高階保真立體音響表示的壓縮與解壓縮方法及裝置 |
| TW102144508A TWI611397B (zh) | 2012-12-12 | 2013-12-05 | 用於音場之高階保真立體音響表示的壓縮與解壓縮方法及裝置 |
| TW110115843A TWI788833B (zh) | 2012-12-12 | 2013-12-05 | 用於音場之高階保真立體音響表示的壓縮與解壓縮方法及裝置 |
Country Status (11)
| Country | Link |
|---|---|
| US (7) | US9646618B2 (enExample) |
| EP (5) | EP2743922A1 (enExample) |
| JP (7) | JP6285458B2 (enExample) |
| KR (5) | KR102546541B1 (enExample) |
| CN (9) | CN117037812A (enExample) |
| CA (6) | CA2891636C (enExample) |
| MX (7) | MX344988B (enExample) |
| MY (2) | MY169354A (enExample) |
| RU (2) | RU2623886C2 (enExample) |
| TW (6) | TWI645397B (enExample) |
| WO (1) | WO2014090660A1 (enExample) |
Families Citing this family (52)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2665208A1 (en) * | 2012-05-14 | 2013-11-20 | Thomson Licensing | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
| 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 |
| US9685163B2 (en) | 2013-03-01 | 2017-06-20 | Qualcomm Incorporated | Transforming spherical harmonic coefficients |
| EP2800401A1 (en) | 2013-04-29 | 2014-11-05 | Thomson Licensing | Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation |
| US9716959B2 (en) | 2013-05-29 | 2017-07-25 | Qualcomm Incorporated | Compensating for error in decomposed representations of sound fields |
| 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 |
| KR20240116835A (ko) * | 2014-01-08 | 2024-07-30 | 돌비 인터네셔널 에이비 | 사운드 필드의 고차 앰비소닉스 표현을 코딩하기 위해 요구되는 사이드 정보의 코딩을 개선하기 위한 방법 및 장치 |
| 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 |
| 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 |
| JP6243060B2 (ja) | 2014-03-21 | 2017-12-06 | 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 |
| EP3120352B1 (en) | 2014-03-21 | 2019-05-01 | Dolby International AB | 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 |
| US9620137B2 (en) | 2014-05-16 | 2017-04-11 | Qualcomm Incorporated | Determining between scalar and vector quantization in higher order ambisonic coefficients |
| US9852737B2 (en) | 2014-05-16 | 2017-12-26 | Qualcomm Incorporated | Coding vectors decomposed from higher-order ambisonics audio signals |
| US10770087B2 (en) * | 2014-05-16 | 2020-09-08 | Qualcomm Incorporated | Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals |
| CN120032651A (zh) | 2014-06-27 | 2025-05-23 | 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 |
| 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 |
| US9794713B2 (en) * | 2014-06-27 | 2017-10-17 | Dolby Laboratories Licensing Corporation | Coded HOA data frame representation that includes non-differential gain values associated with channel signals of specific ones of the dataframes of an HOA data frame representation |
| KR102454747B1 (ko) * | 2014-06-27 | 2022-10-17 | 돌비 인터네셔널 에이비 | Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치 |
| 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 |
| KR102363275B1 (ko) * | 2014-07-02 | 2022-02-16 | 돌비 인터네셔널 에이비 | Ｈｏａ 신호 표현의 부대역들 내의 우세 방향 신호들의 방향들의 인코딩/디코딩을 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 |
| US9838819B2 (en) * | 2014-07-02 | 2017-12-05 | Qualcomm Incorporated | Reducing correlation between higher order ambisonic (HOA) background channels |
| 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 |
| CN106471579B (zh) * | 2014-07-02 | 2020-12-18 | 杜比国际公司 | 用于对hoa信号表示的子带内的主导方向信号的方向进行编码/解码的方法和装置 |
| US9847088B2 (en) * | 2014-08-29 | 2017-12-19 | Qualcomm Incorporated | Intermediate compression for 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 |
| US10140996B2 (en) | 2014-10-10 | 2018-11-27 | Qualcomm Incorporated | Signaling layers for scalable coding of higher order ambisonic audio data |
| EP3739578A1 (en) | 2015-07-30 | 2020-11-18 | Dolby International AB | Method and apparatus for generating from an hoa signal representation a mezzanine hoa signal representation |
| US12087311B2 (en) | 2015-07-30 | 2024-09-10 | Dolby Laboratories Licensing Corporation | Method and apparatus for encoding and decoding an HOA representation |
| WO2017036609A1 (en) | 2015-08-31 | 2017-03-09 | Dolby International Ab | 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 |
| 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 |
| JP6740347B2 (ja) * | 2015-11-17 | 2020-08-12 | ドルビー ラボラトリーズ ライセンシング コーポレイション | パラメトリック・バイノーラル出力システムおよび方法のための頭部追跡 |
| US9881628B2 (en) * | 2016-01-05 | 2018-01-30 | Qualcomm Incorporated | Mixed domain coding of audio |
| CN108476373B (zh) * | 2016-01-27 | 2020-11-17 | 华为技术有限公司 | 一种处理声场数据的方法和装置 |
| EP3338462B1 (en) * | 2016-03-15 | 2019-08-28 | Fraunhofer Gesellschaft zur Förderung der Angewand | Apparatus, method or computer program for generating a sound field description |
| CN107945810B (zh) * | 2016-10-13 | 2021-12-14 | 杭州米谟科技有限公司 | 用于编码和解码hoa或多声道数据的方法和装置 |
| 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 |
| US10657974B2 (en) * | 2017-12-21 | 2020-05-19 | Qualcomm Incorporated | Priority information for higher order ambisonic audio data |
| US10264386B1 (en) * | 2018-02-09 | 2019-04-16 | Google Llc | Directional emphasis in ambisonics |
| JP2019213109A (ja) * | 2018-06-07 | 2019-12-12 | 日本電信電話株式会社 | 音場信号推定装置、音場信号推定方法、プログラム |
| CN111193990B (zh) * | 2020-01-06 | 2021-01-19 | 北京大学 | 一种抗高频空间混叠的3d音频系统及实现方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100329466A1 (en) * | 2009-06-25 | 2010-12-30 | Berges Allmenndigitale Radgivningstjeneste | Device and method for converting spatial audio signal |
| EP2469742A2 (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 |
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