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Abstract

An audio signal processing method for sound image localization according to the present invention comprises the steps of: receiving a bit sequence including an object signal of an audio and object location information of the audio; decoding the object signal and the object location information using the received bit sequence; receiving past object location information, which is past object location information corresponding to the object location information, from a storage medium; generating an object moving path using the received past object location information and the decoded object location information; generating a variable gain value according to time using the generated object moving path; generating a corrected variable gain value using the generated variable gain value and a weighting function; and generating a channel signal from the decoded object signal using the corrected variable gain value.

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First Claim