Noise Detection Method and Apparatus
L Xu - US Patent App. 15/380,163, 2017 - Google Patents
BACKGROUND 0003. During transmission of an audio signal, noise may be caused due to
various reasons. When severe noise occurs in an audio signal, normal use of a user is …
various reasons. When severe noise occurs in an audio signal, normal use of a user is …
Frequency domain noise detection of audio with tone parameter
L Xu - US Patent 10,089,999, 2018 - Google Patents
A noise detection method and apparatus are disclosed. The noise detection method
includes: obtaining a frequency-domain energy distribution parameter of a current frame of …
includes: obtaining a frequency-domain energy distribution parameter of a current frame of …
Multiple pitch extraction by strength calculation from extrema
C Espy-Wilson, S Vishnubhotla - US Patent 10,381,025, 2019 - Google Patents
An apparatus includes a function module, a strength module, and a filter module. The
function module compares an input signal, which has a component, to a first delayed version …
function module compares an input signal, which has a component, to a first delayed version …