METHODS AND APPARATUS FOR PROCESSING AUDIO SIGNALS

METHODS AND APPARATUS FOR PROCESSING AUDIO SIGNALS

A method for processing an audio signal (i(t)), comprises: receiving a first set (x(t)) of time-varying signals representing a first sound comprised in the audio signal (i(t)), the first set (x(t)) of time-varying signals comprising an amplitude modulation signal (a(t)), a carrier frequency signal (...

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Hauptverfasser: LUNNER THOMAS, VATTI MARIANNA, PONTOPPIDAN NIELS HENRIK, BRAMSLOEW LARS
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
CONTROL OF AMPLIFICATION
ELECTRICITY
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creator LUNNER THOMAS
VATTI MARIANNA
PONTOPPIDAN NIELS HENRIK
BRAMSLOEW LARS
description A method for processing an audio signal (i(t)), comprises: receiving a first set (x(t)) of time-varying signals representing a first sound comprised in the audio signal (i(t)), the first set (x(t)) of time-varying signals comprising an amplitude modulation signal (a(t)), a carrier frequency signal (fc(t)), a pitch signal (f0(t)) and an FM index signal (h(t)); and modifying the first set (x(t)) of time-varying signals by modifying the amplitude of the FM index signal (h(t)), thereby providing a first modified set (x'(t)) of time-varying signals. The resulting first modified set (x'(t)) of time-varying signals may subsequently be modulated to provide an audio output signal.
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subjects BASIC ELECTRONIC CIRCUITRY
CONTROL OF AMPLIFICATION
ELECTRICITY
title METHODS AND APPARATUS FOR PROCESSING AUDIO SIGNALS
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