How to find the Sampling Frequency?
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I have imported a sound file into Matlab using [sound,fs]=audioread('....')
I need to find the sampling frequency. I think that is fs, however when I import a different sound, my fs value does not change? Is there a difference between sampling rate and sampling frequency, and if there is how do I find the sampling frequency from the audiofile imported?
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Aliu Moshood
2022-4-6
Sampling frequency is the inverse of sampling rate. You can also relate this to the physics relation between period and frequency of a wave. According to physics, the relation between period (the time taking for a wave to complete a cycle) and frequency is {frequency = 1/period}.
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Ameer Hamza
2020-10-9
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Yes, fs is the sampling frequency. Sampling frequency and rate are related to each other: frequency = 1/rate. And it is not strange that two files have the same sampling frequency. Most of the audio signals are recorded at a similar sampling frequency, e.g., 44.1 kHz.
3 个评论
Rhyston Da Silva
2020-10-9
Ameer Hamza
2020-10-9
They may want you to compare the frequency content (discrete Fourier transform) of the signal, which can be calculated using fft() of the signal.
Rhyston Da Silva
2020-10-11
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