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:
Hope this helps!
