How to extract frequency information from an input audio stream (using PortAudio)?

Question

I want to record sound (voice) using PortAudio (PyAudio) and output the corresponding sound wave on the screen. Hopeless as I am, I am unable to extract the frequency informatio

Answer 1

The Fourier Transform will not help you a lot if you want the analysis to be conducted in both the frequency and time domain. You might want to have a look at "Wavelet Transforms". There is a package called pywavelets... http://www.pybytes.com/pywavelets/#discrete-wavelet-transform-dwt