QUANTIZATION SCALE FACTOR DETERMINATION DEVICE AND QUANTIZATION SCALE FACTOR DETERMINATION METHOD
This quantization scale factor determination device is provided with a correction circuit which corrects an initial value of a quantization scale factor on the basis of whether or not an audio signal spectrum is sparse, and a search circuit which searches for a quantization scale factor on the basis...
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Format | Patent |
Language | English French Japanese |
Published |
22.04.2021
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Abstract | This quantization scale factor determination device is provided with a correction circuit which corrects an initial value of a quantization scale factor on the basis of whether or not an audio signal spectrum is sparse, and a search circuit which searches for a quantization scale factor on the basis of the initial value.
La présente invention concerne un dispositif de détermination de facteur d'échelle de quantification qui comporte un circuit de correction qui corrige une valeur initiale d'un facteur d'échelle de quantification sur la base de savoir si oui ou non un spectre de signal audio est dispersé et un circuit de recherche qui recherche un facteur d'échelle de quantification sur la base de la valeur initiale.
量子化スケール係数決定装置は、音声信号のスペクトルがスパース性を有するか否かに基づいて、量子化スケール係数の初期値を補正する補正回路と、初期値に基づいて、量子化スケール係数の探索を行う探索回路と、を具備する。 |
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AbstractList | This quantization scale factor determination device is provided with a correction circuit which corrects an initial value of a quantization scale factor on the basis of whether or not an audio signal spectrum is sparse, and a search circuit which searches for a quantization scale factor on the basis of the initial value.
La présente invention concerne un dispositif de détermination de facteur d'échelle de quantification qui comporte un circuit de correction qui corrige une valeur initiale d'un facteur d'échelle de quantification sur la base de savoir si oui ou non un spectre de signal audio est dispersé et un circuit de recherche qui recherche un facteur d'échelle de quantification sur la base de la valeur initiale.
量子化スケール係数決定装置は、音声信号のスペクトルがスパース性を有するか否かに基づいて、量子化スケール係数の初期値を補正する補正回路と、初期値に基づいて、量子化スケール係数の探索を行う探索回路と、を具備する。 |
Author | EHARA, Hiroyuki HARADA, Akira |
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DocumentTitleAlternate | 量子化スケール係数決定装置、及び、量子化スケール係数決定方法 DISPOSITIF DE DÉTERMINATION DE FACTEUR D'ÉCHELLE DE QUANTIFICATION ET PROCÉDÉ DE DÉTERMINATION DE FACTEUR D'ÉCHELLE DE QUANTIFICATION |
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Snippet | This quantization scale factor determination device is provided with a correction circuit which corrects an initial value of a quantization scale factor on the... |
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Title | QUANTIZATION SCALE FACTOR DETERMINATION DEVICE AND QUANTIZATION SCALE FACTOR DETERMINATION METHOD |
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