Changeset e391790 for src

Timestamp:

Aug 1, 2015, 10:28:38 AM (9 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:

482fab8

Parents:

10482d2

Message:

src/pitch/pitchyin.c, src/pitch/pitchyinfft.c: avoid producing NaN on silence (closes #7)

Location:

src/pitch

Files:

• pitchyin.c (modified) (1 diff)
• pitchyinfft.c (modified) (1 diff)

src/pitch/pitchyin.c

@@ -146 +146 @@
     }
     tmp2 += yin->data[tau];
-    yin->data[tau] *= tau / tmp2;
+    if (tmp2 != 0) {
+      yin->data[tau] *= tau / tmp2;
+    } else {
+      yin->data[tau] = 1.;
+    }
     period = tau - 3;
     if (tau > 4 && (yin->data[period] < tol) &&

src/pitch/pitchyinfft.c

@@ -136 +136 @@
     // and the cumulative mean normalized difference function
     tmp += yin->data[tau];
-    yin->data[tau] *= tau / tmp;
+    if (tmp != 0) {
+      yin->data[tau] *= tau / tmp;
+    } else {
+      yin->data[tau] = 1.;
+    }
   }
   // find best candidates