Multi-channel audio upmixer
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United States of America Patent
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Oct 3, 2017
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app pub date -
May 15, 2015
filing date -
May 15, 2015
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Abstract
An audio processor may receive audio input channels including stereo channels and one or more surround channels. The audio processor may downmix the audio input channels into stereo output channels; developing the stereo output channels into upmixed audio channels including at least one additional surround channel not present in the audio input channels; delay the audio input channels into delayed audio channels that are time-aligned with the upmixed audio channels; and mix the delayed audio channels and the upmixed audio channels into audio output channels.
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