JP2016523376A5 - - Google Patents
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- JP2016523376A5 JP2016523376A5 JP2016516813A JP2016516813A JP2016523376A5 JP 2016523376 A5 JP2016523376 A5 JP 2016523376A5 JP 2016516813 A JP2016516813 A JP 2016516813A JP 2016516813 A JP2016516813 A JP 2016516813A JP 2016523376 A5 JP2016523376 A5 JP 2016523376A5
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- 239000011159 matrix material Substances 0.000 claims 36
- 238000000354 decomposition reaction Methods 0.000 claims 8
- 230000000875 corresponding Effects 0.000 claims 1
- 230000001131 transforming Effects 0.000 claims 1
- 230000017105 transposition Effects 0.000 claims 1
Claims (15)
- 音場の1つまたは複数の成分を表す1つまたは複数の第1のベクトルを量子化すること、前記第1のベクトルは、前記音場を表す複数の球面調和係数から線形的に分解され、球面調和領域において定義される、と、
前記音場の同じ1つまたは複数の成分を同様に表す1つまたは複数の第2のベクトルにおいて前記1つまたは複数の第1のベクトルの前記量子化が原因でもたらされる誤差を補償することと
を備える、方法。 - 前記1つまたは複数の第1のベクトルを量子化することは、少なくとも一部、前記音場を記述する前記複数の球面調和係数に関して線形分解を実行することによって生成される、V行列の転置から1つまたは複数のベクトルを量子化することを備える、
請求項1に記載の方法。 - 前記複数の球面調和係数の左特異ベクトルを表すU行列と、前記複数の球面調和係数の特異値を表すS行列と、前記複数の球面調和係数の右特異ベクトルを表すV行列とを生成するために、前記音場を表す前記複数の球面調和係数に関して線形分解を実行することをさらに備え、
前記1つまたは複数の第1のベクトルを量子化することは、前記V行列の転置から1つまたは複数のベクトルを量子化することを備える、
請求項1に記載の方法。 - 前記複数の球面調和係数の左特異ベクトルを表すU行列と、前記複数の球面調和係数の特異値を表すS行列と、前記複数の球面調和係数の右特異ベクトルを表すV行列とを生成するために、前記音場を表す前記複数の球面調和係数に関して線形分解を実行することをさらに備え、
前記1つまたは複数の第1のベクトルを量子化することは、前記V行列の転置から1つまたは複数のベクトルを量子化することを備え、
前記誤差を補償することは、前記U行列の1つまたは複数のUベクトルを前記S行列の1つまたは複数のSベクトルと乗算することによって計算される1つまたは複数のU*Sベクトルにおいて前記量子化が原因でもたらされる前記誤差を補償することを備える、
請求項1に記載の方法。 - 音場の1つまたは複数の成分を表す1つまたは複数の第1のベクトルを量子化するための手段、前記第1のベクトルは、前記音場を表す複数の球面調和係数から線形的に分解され、球面調和領域において定義される、と、
前記音場の同じ1つまたは複数の成分を同様に表す1つまたは複数の第2のベクトルにおいて前記1つまたは複数の第1のベクトルの前記量子化が原因でもたらされる誤差を補償するための手段と
を備える、デバイス。 - 前記量子化するための手段、および前記補償するための手段は、1つまたは複数のプロセッサを備え、前記1つまたは複数のプロセッサは、少なくとも一部、前記音場を記述する前記複数の球面調和係数に関して線形分解を実行することによって生成される、V行列の転置から1つまたは複数のベクトルを量子化することを行うように構成される、
請求項5に記載のデバイス。 - 前記量子化するための手段、および前記補償するための手段は、1つまたは複数のプロセッサを備え、前記1つまたは複数のプロセッサは、前記複数の球面調和係数の左特異ベクトルを表すU行列と、前記複数の球面調和係数の特異値を表すS行列と、前記複数の球面調和係数の右特異ベクトルを表すV行列とを生成するために、前記音場を表す前記複数の球面調和係数に関して線形分解を実行することを行うようにさらに構成され、
前記1つまたは複数のプロセッサは、前記V行列の転置から1つまたは複数のベクトルを量子化することを行うように構成される、
請求項5に記載のデバイス。 - 前記量子化するための手段、および前記補償するための手段は、1つまたは複数のプロセッサを備え、前記1つまたは複数のプロセッサは、前記複数の球面調和係数の左特異ベクトルを表すU行列と、前記複数の球面調和係数の特異値を表すS行列と、前記複数の球面調和係数の右特異ベクトルを表すV行列とを生成するために、前記音場を表す前記複数の球面調和係数に関して線形分解を実行することを行うようにさらに構成され、
前記1つまたは複数のプロセッサは、前記V行列の転置から1つまたは複数のベクトルを量子化することを行うように構成され、
前記1つまたは複数のプロセッサは、前記U行列の1つまたは複数のUベクトルを前記S行列の1つまたは複数のSベクトルと乗算することによって計算される1つまたは複数のU*Sベクトルにおいて前記量子化が原因でもたらされる前記誤差を補償するように構成される、
請求項5に記載のデバイス。 - 前記量子化するための手段、および前記補償するための手段は、1つまたは複数のプロセッサを備え、
前記1つまたは複数のプロセッサは、前記複数の球面調和係数の左特異ベクトルを表すU行列と、前記複数の球面調和係数の特異値を表すS行列と、前記複数の球面調和係数の右特異ベクトルを表すV行列とを生成するために、前記音場を表す前記複数の球面調和係数に関して線形分解を実行することと、各々が前記音場の明瞭な成分に対応する、前記U行列の1つまたは複数のUDISTベクトルを決定することと、各々が前記音場の同じ明瞭な成分に対応する、前記S行列の1つまたは複数のSDISTベクトルを決定することと、各々が前記音場の同じ明瞭な成分に対応する、前記V行列の転置の1つまたは複数のVT DISTベクトルを決定することとを行うようにさらに構成され、
前記1つまたは複数のプロセッサは、1つまたは複数のVT Q_DISTベクトルを生成するために、前記1つまたは複数のVT DISTベクトルを量子化することを行うように構成され、
前記1つまたは複数のプロセッサは、1つまたは複数の誤差補償されたUDIST*SDISTベクトルを生成するために、前記U行列の1つまたは複数のUDISTベクトルを前記S行列の1つまたは複数のSDISTベクトルと乗算することによって計算される1つまたは複数のUDIST*SDISTベクトルにおいて前記量子化が原因でもたらされる前記誤差を補償することを行うように構成される、
請求項5に記載のデバイス。 - 前記1つまたは複数のプロセッサは、前記1つまたは複数のUDISTベクトルと、前記1つまたは複数のSDISTベクトルと、前記1つまたは複数のVT DISTベクトルとに基づいて、明瞭な球面調和係数を決定することと、前記明瞭な球面調和係数を前記1つまたは複数のVT Q_DISTベクトルによって除算し、それによって、前記VT DISTベクトルの前記量子化を通じてもたらされた前記誤差を少なくとも一部補償する、誤差補償された1つまたは複数のUC_DIST*SC_DISTベクトルを生成するために、前記VT Q_DISTベクトルに関して擬似逆変換を実行することとを行うように構成される、
請求項9に記載のデバイス。 - 前記量子化するための手段、および前記補償するための手段は、1つまたは複数のプロセッサを備え、前記1つまたは複数のプロセッサは、前記複数の球面調和係数の左特異ベクトルを表すU行列と、前記複数の球面調和係数の特異値を表すS行列と、前記複数の球面調和係数の右特異ベクトルを表すV行列とを生成するために、前記音場を表す前記複数の球面調和係数に関して線形分解を実行することと、前記音場の1つまたは複数のバックグラウンド成分を記述する前記U行列の1つまたは複数のUBGベクトルと、前記音場の1つまたは複数の明瞭な成分を記述する前記U行列の1つまたは複数のUDISTベクトルとを決定することと、前記音場の前記1つまたは複数のバックグラウンド成分を記述する前記S行列の1つまたは複数のSBGベクトルと、前記音場の前記1つまたは複数の明瞭な成分を記述する前記S行列の1つまたは複数のSDISTベクトルとを決定することと、前記V行列の転置の1つまたは複数のVT DISTベクトルと1つまたは複数のVT BGベクトルとを決定することとを行うようにさらに構成され、前記VT DISTベクトルは、前記音場の前記1つまたは複数の明瞭な成分を記述し、前記VT BGは、前記音場の前記1つまたは複数のバックグラウンド成分を記述し、
前記1つまたは複数のプロセッサは、1つまたは複数のVT Q_DISTベクトルを生成するために、前記1つまたは複数のVT DISTベクトルを量子化することを行うように構成され、
前記1つまたは複数のプロセッサは、誤差補償されたバックグラウンド球面調和係数を生成するために、前記1つまたは複数のUBGベクトルを前記1つまたは複数のSBGベクトルと乗算し、次いで前記1つまたは複数のVT BGベクトルと乗算することによって形成されるバックグラウンド球面調和係数において前記量子化が原因でもたらされる前記誤差を補償することを行うように構成される、
請求項5に記載のデバイス。 - 前記1つまたは複数のプロセッサは、前記UDISTベクトルを前記SDISTベクトルと乗算することによって形成される、前記VT DISTベクトルおよび1つまたは複数のUDIST*SDISTベクトルに基づいて、前記誤差を決定することと、前記誤差補償されたバックグラウンド球面調和係数を生成するために、前記決定された誤差を前記バックグラウンド球面調和係数に加算することとを行うように構成される、
請求項11に記載のデバイス。 - 前記量子化するための手段、および前記補償するための手段は、1つまたは複数のプロセッサを備え、
前記1つまたは複数のプロセッサは、1つまたは複数の誤差補償された第2のベクトルを生成するために、前記音場の同じ1つまたは複数の成分を同様に表す1つまたは複数の第2のベクトルにおいて前記1つまたは複数の第1のベクトルの前記量子化が原因でもたらされる前記誤差を補償することを行うように構成され、
前記1つまたは複数のプロセッサは、前記1つまたは複数の誤差補償された第2のベクトルと前記量子化された1つまたは複数の第1のベクトルとを含むようにビットストリームを生成することを行うようにさらに構成される、
請求項5に記載のデバイス。 - 前記量子化するための手段、および前記補償するための手段は、1つまたは複数のプロセッサを備え、
前記1つまたは複数のプロセッサは、1つまたは複数の誤差補償された第2のベクトルを生成するために、前記音場の同じ1つまたは複数の成分を同様に表す1つまたは複数の第2のベクトルにおいて前記1つまたは複数の第1のベクトルの前記量子化が原因でもたらされる前記誤差を補償することを行うように構成され、
前記1つまたは複数のプロセッサは、前記1つまたは複数の誤差補償された第2のベクトルをオーディオ符号化することと、前記オーディオ符号化された1つまたは複数の誤差補償された第2のベクトルと、前記量子化された1つまたは複数の第1のベクトルとを含むように、ビットストリームを生成することとを行うようにさらに構成される、
請求項5に記載のデバイス。 - 実行されると、1つまたは複数のプロセッサに、請求項1−4のうちのいずれか一項にしたがった方法を実行させる命令を記憶した、非一時的コンピュータ可読記憶媒体。
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JP2016516824A Active JP6449256B2 (ja) | 2013-05-29 | 2014-05-29 | 音場の分解された表現の圧縮 |
JP2016516813A Active JP6185159B2 (ja) | 2013-05-29 | 2014-05-29 | 音場の分解された表現における誤差の補償 |
JP2016516821A Active JP6121625B2 (ja) | 2013-05-29 | 2014-05-29 | 音場の分解された表現の圧縮 |
JP2017065537A Active JP6199519B2 (ja) | 2013-05-29 | 2017-03-29 | 音場の分解された表現の圧縮 |
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