METHOD FOR EQUALIZING AN AUDIO FREQUENCY SIGNAL BROADCAST IN A BROADCASTING ENVIRONMENT, COMPUTER PROGRAM PRODUCT AND CORRESPONDING DEVICE
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United States of America Patent
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Issued Date -
May 16, 2024
app pub date -
Nov 13, 2023
filing date -
Nov 16, 2022
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Abstract
A method for equalizing an audio frequency signal broadcast in a broadcasting environment. Such a method includes: estimating a frequency profile of a noise signal representing a background noise present in the broadcasting environment, based on, on the one hand, a signal captured by at least one microphone implemented in the broadcasting environment and, on the other hand, the audio frequency signal; determining a desired frequency profile for the broadcast audio frequency signal; determining an acoustic frequency mask representing, for each frequency component, a difference between the frequency profile of the noise signal and the desired frequency profile; and equalizing the audio frequency signal via a weighting of a spectrum of the audio frequency signal by applying a frequency weighting mask that is a function of the acoustic frequency mask, delivering the equalized audio frequency signal.
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