OPTIMAL MIXING MATRICES AND USAGE OF DECORRELATORS IN SPATIAL AUDIO PROCESSING
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United States of America Patent
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Nov 26, 2020
app pub date -
Aug 6, 2020
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Aug 17, 2011
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Abstract
An apparatus for generating an audio output signal having two or more audio output channels from an audio input signal having two or more audio input channels includes a provider and a signal processor. The provider is adapted to provide first covariance properties of the audio input signal. The signal processor is adapted to generate the audio output signal by applying a mixing rule on at least two of the two or more audio input channels. The signal processor is configured to determine the mixing rule based on the first covariance properties of the audio input signal and based on second covariance properties of the audio output signal, the second covariance properties being different from the first covariance properties.
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