Read the audio file given to you and play it from Matlab. Find the number of samples in the audio file (just the length of the array!) and the sampling rate.
9 visualizaciones (últimos 30 días)
Mostrar comentarios más antiguos
Read the audio file given to you and play it from Matlab. Find the number of samples in the audio file (just the length of the array!) and the sampling rate.
(a) Downsample the audio by L = 2,5, 10, and play the output from Mat lab.Comment on your observations.
(b) Upsample the audio by M = 2.5, 10. by introducing zero valued samples between each pair of consecutive samples. Play the output and write your observations.
(c) Perform the upsampling by introducing the average of two consecutive samples in between. Do you observe any difference in the output of part (b) and (c)? Note: Write your own functions to perform downsampling and upsampling. Do not use the inbuilt Matlab commands,
0 comentarios
Respuestas (1)
Chunru
el 27 de Ag. de 2022
Read the audio file given to you and play it from Matlab.
doc audioread
Find the number of samples in the audio file (just the length of the array!) and the sampling rate.
doc size
(a) Downsample the audio by L = 2,5, 10, and play the output from Mat lab.Comment on your observations.
doc resample
(b) Upsample the audio by M = 2.5, 10. by introducing zero valued samples between each pair of consecutive samples. Play the output and write your observations.
doc resample
(c) Perform the upsampling by introducing the average of two consecutive samples in between. Do you observe any difference in the output of part (b) and (c)? Note: Write your own functions to perform downsampling and upsampling. Do not use the inbuilt Matlab commands,
Try out yourself first.
2 comentarios
Chunru
el 27 de Ag. de 2022
% Down sampling without filter
a = randn(1:1000)
b = a(1:5:1000); % downsample by a factor of 5
Ver también
Categorías
Más información sobre Multirate Signal Processing en Help Center y File Exchange.
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!