rolloff_frequency_analysis

rolloff_frequency_analysis(y: npt.ArrayLike, sr: int, save_to_csv: bool = True, nfft: int = 2048)

Function description

To show roll-off frequency (0.99&0.01) of the input signal with time-axis

Parameter

y: input signal

sr: sampling rate (22050 Hz by default)

save_to_csv: to save the result as .csv

Return

None

Example

from audioviz import *
import librosa
import numpy as np
from audioviz import TimbreAnalysis

y, sr = librosa.load('Mozart_Turkish_March.wav', duration = 45)
TimbreAnalysis.rolloff_frequency_analysis(y = y, sr = sr)