How to use Line Spectral Pairs in matlab?

Hi all I need your help to continue my research. Can any one help me in that case,plz? My question is: How can i implement Line Spectral Pairs in matlab? I have to use it, however i have no any idea about that process? Thanks beforehand. Best wishes Fahriddin.

Answer 1

[TED MOSBY]

To implement line spectral pairs, you can use MATLAB's "Signal Processing Toolbox". You can use the function "poly2lsf" . This function returns a column vector whose length equals the LPC (linear prediction filter coefficient) order and whose entries are the line‑spectral frequencies.

lsf = poly2lsf(a); 

Here, ‘a’ is your LPC prediction‑filter vector.

To know more about these functions, refer to the documentation below:

https://www.mathworks.com/help/signal/ref/lpc.html?s_tid=srchtitle_support_results_1_lpc+

https://www.mathworks.com/help/signal/ref/poly2lsf.html?s_tid=srchtitle_support_results_1_poly2lsf

Hope this helps!