Changeset c2a39af for src/spectral/phasevoc.c

Timestamp:

Apr 29, 2016, 8:07:10 PM (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:

ee092a8

Parents:

215b33c

Message:

src/spectral/phasevoc.c: perfect reconstruction for overlap = 50% without modifications

File:

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

src/spectral/phasevoc.c

@@ -67 +67 @@
   fvec_ishift(pv->synth);
   /* windowing */
-  fvec_weight(pv->synth, pv->w);
+  // if overlap = 50%, do not apply window (identity)
+  if (pv->hop_s * 2 < pv->win_s) {
+    fvec_weight(pv->synth, pv->w);
+  }
   /* additive synthesis */
   aubio_pvoc_addsynth(pv, synthnew);
@@ -125 +128 @@
   } else if (win_s == hop_s * 8) {
     pv->scale = 1./3.;
+  } else if (win_s == hop_s * 2) {
+    pv->scale = 1.;
   } else {
     pv->scale = .5;