REPRESENTING SPATIAL AUDIO BY MEANS OF AN AUDIO SIGNAL AND ASSOCIATED METADATA
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United States of America Patent
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Issued Date -
Apr 4, 2024
app pub date -
Sep 12, 2023
filing date -
Nov 13, 2018
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There is provided encoding and decoding methods for representing spatial audio that is a combination of directional sound and diffuse sound. An exemplary encoding method includes inter alia creating a single- or multi-channel downmix audio signal by downmixing input audio signals from a plurality of microphones in an audio capture unit capturing the spatial audio; determining first metadata parameters associated with the downmix audio signal, wherein the first metadata parameters are indicative of one or more of: a relative time delay value, a gain value, and a phase value associated with each input audio signal; and combining the created downmix audio signal and the first metadata parameters into a representation of the spatial audio.
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