Changeset 4f872d7 for src/spectral

Timestamp:

Mar 16, 2013, 3:46:34 AM (12 years ago)

Author:

Paul Brossier <piem@piem.org>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, pitchshift, sampler, timestretch, yinfft+

Children:

8c43bf7

Parents:

cb243f2

Message:

src/spectral/specdesc.c: add more noise to make sure log doesn't explode when fftnorm is very small and old fftnorm is null

File:

• src/spectral/specdesc.c (modified) (2 diffs)

src/spectral/specdesc.c

@@ -194 +194 @@
     for (j=0;j<fftgrain->length;j++) {
       onset->data[0] += fftgrain->norm[j]
-        *LOG(1.+fftgrain->norm[j]/(o->oldmag->data[j]+1.e-10));
+        *LOG(1.+fftgrain->norm[j]/(o->oldmag->data[j]+1.e-1));
       o->oldmag->data[j] = fftgrain->norm[j];
     }
@@ -207 +207 @@
     onset->data[0] = 0.;
     for (j=0;j<fftgrain->length;j++) {
-      onset->data[0] += LOG(1.+fftgrain->norm[j]/(o->oldmag->data[j]+1.e-10));
+      onset->data[0] += LOG(1.+fftgrain->norm[j]/(o->oldmag->data[j]+1.e-1));
       o->oldmag->data[j] = fftgrain->norm[j];
     }