Changeset 2f99427

Timestamp:

Mar 10, 2017, 10:10:17 PM (7 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, sampler

Children:

6352034

Parents:

ccdc51b

Message:

src/cvec.h: add cvec_logmag

Location:

src

Files:

• cvec.c (modified) (1 diff)
• cvec.h (modified) (1 diff)

src/cvec.c

@@ -140 +140 @@
   cvec_phas_zeros(s);
 }
+
+void cvec_logmag(cvec_t *s, smpl_t lambda) {
+  uint_t j;
+  for (j=0; j< s->length; j++) {
+    s->norm[j] = LOG(lambda * s->norm[j] + 1);
+  }
+}

src/cvec.h

@@ -231 +231 @@
 void cvec_zeros(cvec_t *s);
 
+/** take logarithmic magnitude
+
+  \param fftgrain cvec to compress
+  \param lambda value to use for normalisation
+
+*/
+void cvec_logmag(cvec_t *s, smpl_t lambda);
+
 #ifdef __cplusplus
 }