Methods and apparatus to extract a pitch-independent timbre attribute from a media signal

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United States of America Patent

PATENT NO 11749244
APP PUB NO 20210151021A1
SERIAL NO

17157780

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Abstract

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Methods and apparatus to extract a pitch-independent timbre attribute from a media signal are disclosed. An example apparatus includes an audio characteristic extractor to determine a logarithmic spectrum of an audio signal; transform the logarithmic spectrum of the audio signal into a frequency domain to generate a transform output; determine a magnitude of the transform output; and determine a timbre attribute of the audio signal based on an inverse transform of the magnitude.

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Patent Owner(s)

Patent OwnerAddress
THE NIELSEN COMPANY (US) LLC85 BROAD STREET NEW YORK NY 10004

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rafii, Zafar Berkeley, US 48 206

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