SYSTEMS AND METHODS OF PERFORMING FILTERING FOR GAIN DETERMINATION

A particular method includes determining (504), based on spectral information corresponding to an audio signal that includes a low-band portion and a high-band portion, that the audio signal includes a component corresponding to an artifact-generating condition. The method also includes filtering (5...

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Bibliographische Detailangaben
Hauptverfasser: ATTI, Venkatraman Srinivasa, VILLETTE, Stephane Pierre, KRISHNAN, Venkatesh, RAJENDRAN, Vivek
Format: Patent
Sprache:eng
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Zusammenfassung:A particular method includes determining (504), based on spectral information corresponding to an audio signal that includes a low-band portion and a high-band portion, that the audio signal includes a component corresponding to an artifact-generating condition. The method also includes filtering (506) the high-band portion of the audio signal and generating an encoded signal. Generating (508) the encoded signal includes determining gain information based on a ratio of a first energy corresponding to filtered high-band output to a second energy corresponding to the low-band portion to reduce an audible effect of the artifact-generating condition. Figure l