From: Mike Jerris <mike@jerris.com>
Date: Mon, 21 Mar 2016 20:36:41 +0000 (-0500)
Subject: Merge pull request #762 in FS/freeswitch from ~PIOTRGREGOR/freeswitch:bugfix/FS-8961... 
X-Git-Tag: v1.6.7^2~66
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9e6593aa730a718610568fdfd267ea052ea7826c;p=thirdparty%2Ffreeswitch.git

Merge pull request #762 in FS/freeswitch from ~PIOTRGREGOR/freeswitch:bugfix/FS-8961-avmd-increase-robustness-of-variance to master

* commit '63a30499dbb8d280dbf4d18b393aa68ac3ce8c15':
  FS-8961 Increase robustness of estimation
---

9e6593aa730a718610568fdfd267ea052ea7826c
diff --cc src/mod/applications/mod_avmd/mod_avmd.c
index 66a07264c1,4acba1ca6d..a50c8b6f96
--- a/src/mod/applications/mod_avmd/mod_avmd.c
+++ b/src/mod/applications/mod_avmd/mod_avmd.c
@@@ -78,18 -105,11 +92,11 @@@
  /*! Maximum frequency as digital normalized frequency */
  #define MAX_FREQUENCY_R(r) ((2.0 * M_PI * MAX_FREQUENCY) / (r))
  /* decrease this value to eliminate false positives */
 -#define VARIANCE_THRESHOLD (0.001)
 +#define VARIANCE_THRESHOLD (0.0001)
  
- #include "amplitude.h"
- #include "buffer.h"
- #include "desa2.h"
- //#include "goertzel.h"
- #include "psi.h"
- #include "sma_buf.h"
- #include "options.h"
- 
- #ifdef FASTMATH
- #include "fast_acosf.h"
+ #ifdef AVMD_REQUIRE_CONTINUOUS_STREAK
+     /* increase this value to eliminate false positives */
+     #define SAMPLES_CONSECUTIVE_STREAK 3
  #endif
  
  /*! Syntax of the API call. */