System and method for an audio reproduction device
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United States of America Patent
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Jan 3, 2023
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app pub date -
Sep 22, 2021
filing date -
Sep 22, 2021
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Abstract
System and method for enhancing audio reproduced by an audio reproduction device with a first channel and second channel is described. X samples of audio signals are received and stored in a portion of an input buffer with 2x positions and rest of the x positions are padded with zero for both the channels. Contents of the input buffer are transformed to frequency domain (FD) components. FD components are multiplied with a first filter coefficient to generate FD components with short echo effect and with a second filter coefficient to generate FD components with long echo effect. Then, they are converted to time domain (TD) components with short echo effect and TD components with long echo effect. Selective TD components with short echo effect and long echo effect are combined to generate a convolved first channel output and a convolved second channel output.
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