what is the reason for negative values of PSNR in audio signals?

[snehajadiye]

hello,
my project title is vocal removal prom multiobject audio, this is my ME project.
i am doing it on MATLAB by using LMS filter. i wants to calculate some parameters also, so i am calculating PSNR values using matlab formula. but the negative values r coming as result. can anyone please expain why this happening?

 

[KlausST]

Hi,

you give no values.. So how can we know?

I assume your inputs are wrong.


Klaus

 

[snehajadiye]

Hi,

you give no values.. So how can we know?

I assume your inputs are wrong.


Klaus

sir, i am directly adding formula for psnr in my matlab code..

the values as a result are like for the song input MSE is 41.5433 amd PSNR is -43.3302