ax

2023-03-24 11:59:33 +01:00 · 2023-03-24 11:59:33 +01:00 · e8766b03e3
parent c895bc1d6a
commit e8766b03e3
1 changed files with 10 additions and 0 deletions
--- a/downsampling.m
+++ b/downsampling.m
@ -0,0 +1,10 @@
+clear all 
+close all
+pkg load signal
+[y,fs] = audioread('modulator22.wav');
+audiowrite('outmodulator22.wav',y,fs/2);
+n = length(y); 
+t=0:1/fs:(n-1)/fs; % time range
+downsample(y,4000);
+spectrogram(y,fs,5,30);
+[power,duration]=frequencySpectrum(y, fs, false);