JP2013257569A - マルチチャネル・パラメータ変換のための装置および方法 - Google Patents
マルチチャネル・パラメータ変換のための装置および方法 Download PDFInfo
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- 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
- G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
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- 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
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
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- 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
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Abstract
【解決手段】パラメータ変換器106は、マルチチャンネルのスピーカの構成に関するマルチチャンネル音声信号の第1および第2音声信号のエネルギー関係を示しているレベル・パラメータを生成する。レベル・パラメータは、ダウンミックス・チャンネルに関連する複数の音声オブジェクトのためのオブジェクト・パラメータに基づいて生成される。それは、音声オブジェクトに関連するオブジェクト音声信号を使用して生成される。オブジェクト・パラメータは、オブジェクト音声信号のエネルギーを示しているエネルギー・パラメータを含む。コヒーレンスおよびレベル・パラメータを導き出すために、パラメータ・ジェネレータが、使用される。そして、エネルギー・パラメータとオブジェクト・レンダリング・パラメータとを合成し、所望のレンダリングの構成に依存する。
【選択図】図3
Description
w1=w2=w3=0;w4=0.8374;w5=0.5466.
そのような、ユーザは、
−(カラオケ・タイプのアプリケーション)を協力するためのある機器を抑制し/減らす。
−それらの選択(例えば、ダンス・パーティに対するドラム音が大きく、弦楽器音が小さいか、リラクセーション音楽に対するドラム音が小さく、ボーカルが大きい)を反映するために元のミックスを修正する。
−それらの選択にしたがって、異なるボーカル・トラック(弾性のリード・ボーカルを介した女性のリード・ボーカル)の間で選択する。
Claims (5)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US82965306P | 2006-10-16 | 2006-10-16 | |
| US60/829,653 | 2006-10-16 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009532702A Division JP5337941B2 (ja) | 2006-10-16 | 2007-10-05 | マルチチャネル・パラメータ変換のための装置および方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2013257569A true JP2013257569A (ja) | 2013-12-26 |
| JP5646699B2 JP5646699B2 (ja) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2009532702A Active JP5337941B2 (ja) | 2006-10-16 | 2007-10-05 | マルチチャネル・パラメータ変換のための装置および方法 |
| JP2013140421A Active JP5646699B2 (ja) | 2006-10-16 | 2013-07-04 | マルチチャネル・パラメータ変換のための装置および方法 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009532702A Active JP5337941B2 (ja) | 2006-10-16 | 2007-10-05 | マルチチャネル・パラメータ変換のための装置および方法 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US8687829B2 (ja) |
| EP (2) | EP2437257B1 (ja) |
| JP (2) | JP5337941B2 (ja) |
| KR (1) | KR101120909B1 (ja) |
| CN (1) | CN101529504B (ja) |
| AT (1) | ATE539434T1 (ja) |
| AU (1) | AU2007312597B2 (ja) |
| BR (1) | BRPI0715312B1 (ja) |
| CA (1) | CA2673624C (ja) |
| MX (1) | MX2009003564A (ja) |
| MY (1) | MY144273A (ja) |
| RU (1) | RU2431940C2 (ja) |
| TW (1) | TWI359620B (ja) |
| WO (1) | WO2008046530A2 (ja) |
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| CN106471576A (zh) * | 2014-05-16 | 2017-03-01 | 高通股份有限公司 | 较高阶立体混响系数的闭环量化 |
| JP2017511048A (ja) * | 2014-02-27 | 2017-04-13 | ディーティーエス・インコーポレイテッドDTS,Inc. | オブジェクトベースのオーディオ音量管理 |
| JP2019049745A (ja) * | 2014-03-24 | 2019-03-28 | ソニー株式会社 | 復号装置および方法、並びにプログラム |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017511048A (ja) * | 2014-02-27 | 2017-04-13 | ディーティーエス・インコーポレイテッドDTS,Inc. | オブジェクトベースのオーディオ音量管理 |
| JP2019049745A (ja) * | 2014-03-24 | 2019-03-28 | ソニー株式会社 | 復号装置および方法、並びにプログラム |
| JP2025061919A (ja) * | 2014-03-24 | 2025-04-11 | ソニーグループ株式会社 | 情報処理装置および方法、並びにプログラム |
| CN106471576A (zh) * | 2014-05-16 | 2017-03-01 | 高通股份有限公司 | 较高阶立体混响系数的闭环量化 |
| JP2017520785A (ja) * | 2014-05-16 | 2017-07-27 | クゥアルコム・インコーポレイテッドQualcomm Incorporated | 高次アンビソニック係数の閉ループ量子化 |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2431940C2 (ru) | 2011-10-20 |
| KR101120909B1 (ko) | 2012-02-27 |
| CN101529504A (zh) | 2009-09-09 |
| JP5646699B2 (ja) | 2014-12-24 |
| EP2437257A1 (en) | 2012-04-04 |
| CA2673624A1 (en) | 2008-04-24 |
| MY144273A (en) | 2011-08-29 |
| US8687829B2 (en) | 2014-04-01 |
| AU2007312597B2 (en) | 2011-04-14 |
| MX2009003564A (es) | 2009-05-28 |
| AU2007312597A1 (en) | 2008-04-24 |
| TW200829066A (en) | 2008-07-01 |
| EP2437257B1 (en) | 2018-01-24 |
| WO2008046530A3 (en) | 2008-06-26 |
| RU2009109125A (ru) | 2010-11-27 |
| CN101529504B (zh) | 2012-08-22 |
| CA2673624C (en) | 2014-08-12 |
| HK1128548A1 (en) | 2009-10-30 |
| EP2082397A2 (en) | 2009-07-29 |
| TWI359620B (en) | 2012-03-01 |
| JP5337941B2 (ja) | 2013-11-06 |
| EP2082397B1 (en) | 2011-12-28 |
| KR20090053958A (ko) | 2009-05-28 |
| ATE539434T1 (de) | 2012-01-15 |
| BRPI0715312A2 (pt) | 2013-07-09 |
| US20110013790A1 (en) | 2011-01-20 |
| WO2008046530A2 (en) | 2008-04-24 |
| JP2010507114A (ja) | 2010-03-04 |
| BRPI0715312B1 (pt) | 2021-05-04 |
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