pulp::test::audio::Ar2Observation Struct Reference

One short-window AR(2) pole fit. More...

#include <modal_extraction.hpp>

Public Attributes
double	time_s = 0.0
	Centre of the window.
double	freq_hz = 0.0
	From the pole angle.
double	sigma_np_s = 0.0
	From the pole radius, -ln(r) * fs.
double	q = 0.0
	pi * freq_hz / sigma_np_s.
double	residual_ratio = 0.0
	Residual energy over signal energy in the window, in [0, 1].

Detailed Description

One short-window AR(2) pole fit.

Member Data Documentation

freq_hz

double pulp::test::audio::Ar2Observation::freq_hz = 0.0

From the pole angle.

q

double pulp::test::audio::Ar2Observation::q = 0.0

pi * freq_hz / sigma_np_s.

residual_ratio

double pulp::test::audio::Ar2Observation::residual_ratio = 0.0

Residual energy over signal energy in the window, in [0, 1].

A two-pole model fits a single decaying sinusoid to near zero; a large value means the window is not one mode and the pole is meaningless.

sigma_np_s

double pulp::test::audio::Ar2Observation::sigma_np_s = 0.0

From the pole radius, -ln(r) * fs.

time_s

double pulp::test::audio::Ar2Observation::time_s = 0.0

Centre of the window.

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The documentation for this struct was generated from the following file:

• /home/runner/work/pulp/pulp/tools/audio/analysis/include/pulp/audio/analysis/modal_extraction.hpp