FreeDV
/
LPCNet
mirror of https://github.com/drowe67/LPCNet.git
1
0
Fork 0
Code Issues Releases Wiki Activity

Fix DCT normalization

pull/8/head
Jean-Marc Valin 2018-12-10 11:22:13 -05:00
parent 343de214e8
commit fb2368dfbb
No known key found for this signature in database
GPG Key ID: 5E5DD9A36F9189C8
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/denoise.c
View File

@ -218,7 +218,7 @@ static void dct(float *out, const float *in) {
for (j=0;j<NB_BANDS;j++) {
sum += in[j] * common.dct_table[j*NB_BANDS + i];
}
out[i] = sum*sqrt(2./22);
out[i] = sum*sqrt(2./NB_BANDS);
}
}
@ -231,7 +231,7 @@ static void idct(float *out, const float *in) {
for (j=0;j<NB_BANDS;j++) {
sum += in[j] * common.dct_table[i*NB_BANDS + j];
}
out[i] = sum*sqrt(2.*22)*(1.f/NB_BANDS);
out[i] = sum*sqrt(2./NB_BANDS);
}
}