speech compression ,lpc to lsf using poly2lsf
1 view (last 30 days)
Show older comments
hi,
this is my code for speech compression . i have two more blocks to write lbg codebook, and vector quantisation. till here iam getting error in lptolf file like this
Error using ==> roots at 28
Input to ROOTS must not contain NaN or Inf.
Error in ==> poly2lsf at 33
if (max(abs(roots(a))) >= 1.0),
Error in ==> lptolf at 4
lsfcoeff(i,:)=poly2lsf(ssig(:,i));
Error in ==> s2 at 15
[lsfcoeff]=lptolf(ssig,C3);
so where iam going wrong i couldn't understand
s2.m s my main file. before adding lptolf file everything fine.test.wav s my sound file of single channel.
thanks in advance.
1 Comment
Walter Roberson
on 1 Mar 2016
At the MATLAB command line, command
dbstop if naninf
and then run your code. When it stops, it will be at a line that produced a nan or inf result. You need to work backwards from there to figure out why it produced those results.
My speculation would be that it is occurring in filter(), as a result of you passing in incorrect filter coefficients because of some circumstance that you did not take into account.
Answers (0)
See Also
Categories
Find more on Signal Modeling in Help Center and File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!