Mercurial > hg > svcore

diff data/model/FFTModel.cpp @ 1567:36b4872e894a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Properly align window with signal, in oversampled case
author Chris Cannam
date Wed, 07 Nov 2018 11:47:24 +0000
parents 0925b37a3ed1
children c2c8e071e24f
line wrap: on
line diff
--- a/data/model/FFTModel.cpp	Tue Nov 06 11:12:58 2018 +0000
+++ b/data/model/FFTModel.cpp	Wed Nov 07 11:47:24 2018 +0000
@@ -330,7 +330,7 @@
     Profiler profiler("FFTModel::getFFTColumn (cache miss)");
     
     auto samples = getSourceSamples(n);
-    m_windower.cut(samples.data());
+    m_windower.cut(samples.data() + (m_fftSize - m_windowSize) / 2);
     breakfastquay::v_fftshift(samples.data(), m_fftSize);
 
     cvec &col = m_cached[m_cacheWriteIndex].col;