Methods, apparatus and systems for encoding and decoding of directional sound sources

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11315578
APP PUB NO 20210118452A1
SERIAL NO

17047403

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Some disclosed methods involve encoding or decoding directional audio data. Some encoding methods may involve receiving a mono audio signal corresponding to an audio object and a representation of a radiation pattern corresponding to the audio object. The radiation pattern may include sound levels corresponding to plurality of sample times, a plurality of frequency bands and a plurality of directions. The methods may involve encoding the mono audio signal and encoding the source radiation pattern to determine radiation pattern metadata. Encoding the radiation pattern may involve determining a spherical harmonic transform of the representation of the radiation pattern and compressing the spherical harmonic transform to obtain encoded radiation pattern metadata.

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Patent Owner(s)

  • DOLBY LABORATORIES LICENSING CORPORATION; DOLBY INTERNATIONAL AB

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fersch, Christof Neumarkt, DE 41 91
Thomas, Mark R P Walnut Creek, US 14 37
Tsingos, Nicolas R San Francisco, US 97 888

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