33 files changed, 266 insertions, 243 deletions
diff --git a/apps/features.txt b/apps/features.txt
index 54e6afddf3..93b81ff4a5 100644
--- a/apps/features.txt
+++ b/apps/features.txt
@@ -129,8 +129,8 @@ recording_mic
 #endif
 #endif
-#if defined(HAVE_RECORDING_HISTOGRAM)
+#if defined(HAVE_HISTOGRAM)
-recording_histogram
+histogram
 #endif
 #if defined(HAVE_REMOTE_LCD)
diff --git a/apps/lang/catala.lang b/apps/lang/catala.lang
index f133e3dd9e..ec79dd7d89 100644
--- a/apps/lang/catala.lang
+++ b/apps/lang/catala.lang
@@ -12078,20 +12078,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Intèrval d'histograma"
+    histogram: "Intèrval d'histograma"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Intèrval d'histograma"
+    histogram: "Intèrval d'histograma"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/czech.lang b/apps/lang/czech.lang
index 5d99107296..43bf034071 100644
--- a/apps/lang/czech.lang
+++ b/apps/lang/czech.lang
@@ -12086,20 +12086,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Rozsah histogramu"
+    histogram: "Rozsah histogramu"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Rozsah histogramu"
+    histogram: "Rozsah histogramu"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/dansk.lang b/apps/lang/dansk.lang
index 3d4557ac4f..20ebb5e58b 100644
--- a/apps/lang/dansk.lang
+++ b/apps/lang/dansk.lang
@@ -12566,20 +12566,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/deutsch.lang b/apps/lang/deutsch.lang
index ccaa140b37..75004b44db 100644
--- a/apps/lang/deutsch.lang
+++ b/apps/lang/deutsch.lang
@@ -12440,20 +12440,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Histogrammintervall"
+    histogram: "Histogrammintervall"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Histogrammintervall"
+    histogram: "Histogrammintervall"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/english.lang b/apps/lang/english.lang
index 128d5c5fad..de2384214d 100644
--- a/apps/lang/english.lang
+++ b/apps/lang/english.lang
@@ -12169,20 +12169,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/espanol.lang b/apps/lang/espanol.lang
index cf4266c062..f689bd6999 100644
--- a/apps/lang/espanol.lang
+++ b/apps/lang/espanol.lang
@@ -12372,20 +12372,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Intervalo del histograma"
+    histogram: "Intervalo del histograma"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Intervalo del histograma"
+    histogram: "Intervalo del histograma"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/francais.lang b/apps/lang/francais.lang
index a1a7566647..2adf811d54 100644
--- a/apps/lang/francais.lang
+++ b/apps/lang/francais.lang
@@ -12110,20 +12110,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Intervalle de l'histogramme"
+    histogram: "Intervalle de l'histogramme"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Intervalle de l'histogramme"
+    histogram: "Intervalle de l'histogramme"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/hebrew.lang b/apps/lang/hebrew.lang
index 2400b0bb53..b6937db808 100644
--- a/apps/lang/hebrew.lang
+++ b/apps/lang/hebrew.lang
@@ -12548,20 +12548,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/hrvatski.lang b/apps/lang/hrvatski.lang
index d681a0ed6c..1def22085f 100644
--- a/apps/lang/hrvatski.lang
+++ b/apps/lang/hrvatski.lang
@@ -12087,20 +12087,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Interval histograma"
+    histogram: "Interval histograma"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Interval histograma"
+    histogram: "Interval histograma"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/italiano.lang b/apps/lang/italiano.lang
index 677b242e3d..fa95de5086 100644
--- a/apps/lang/italiano.lang
+++ b/apps/lang/italiano.lang
@@ -12089,20 +12089,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Intervallo Istogramma"
+    histogram: "Intervallo Istogramma"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Intervallo Istogramma"
+    histogram: "Intervallo Istogramma"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/japanese.lang b/apps/lang/japanese.lang
index f1c45c9187..d0b0ae8434 100644
--- a/apps/lang/japanese.lang
+++ b/apps/lang/japanese.lang
@@ -12093,20 +12093,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "ヒストグラムの間隔"
+    histogram: "ヒストグラムの間隔"
  </dest>
  <voice>
    *: none
-    recording_histogram: "ヒストグラムの間隔"
+    histogram: "ヒストグラムの間隔"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/nederlands.lang b/apps/lang/nederlands.lang
index db552d52c6..08bf3dfa81 100644
--- a/apps/lang/nederlands.lang
+++ b/apps/lang/nederlands.lang
@@ -12092,20 +12092,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/polski.lang b/apps/lang/polski.lang
index d54afde4e9..00e1ddeaf8 100644
--- a/apps/lang/polski.lang
+++ b/apps/lang/polski.lang
@@ -12382,20 +12382,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Przedziały histogramu"
+    histogram: "Przedziały histogramu"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Przedziały histogramu"
+    histogram: "Przedziały histogramu"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/portugues-brasileiro.lang b/apps/lang/portugues-brasileiro.lang
index 0bc6618887..3036a79151 100644
--- a/apps/lang/portugues-brasileiro.lang
+++ b/apps/lang/portugues-brasileiro.lang
@@ -12085,20 +12085,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Intervalo do Histograma"
+    histogram: "Intervalo do Histograma"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Intervalo do Histograma"
+    histogram: "Intervalo do Histograma"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/portugues.lang b/apps/lang/portugues.lang
index 3917140b35..f2ce99bb73 100644
--- a/apps/lang/portugues.lang
+++ b/apps/lang/portugues.lang
@@ -12537,20 +12537,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Intervalo do Histograma"
+    histogram: "Intervalo do Histograma"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Intervalo do Histograma"
+    histogram: "Intervalo do Histograma"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/russian.lang b/apps/lang/russian.lang
index dd43c4e735..cbe432d873 100644
--- a/apps/lang/russian.lang
+++ b/apps/lang/russian.lang
@@ -12520,20 +12520,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Интервал гистограммы"
+    histogram: "Интервал гистограммы"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Интервал гистограммы"
+    histogram: "Интервал гистограммы"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/slovak.lang b/apps/lang/slovak.lang
index d4fc98567c..94a175eb15 100644
--- a/apps/lang/slovak.lang
+++ b/apps/lang/slovak.lang
@@ -12085,20 +12085,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Interval Histogramu"
+    histogram: "Interval Histogramu"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Interval histogramu"
+    histogram: "Interval histogramu"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/slovenscina.lang b/apps/lang/slovenscina.lang
index 9f1bda76c7..14ef2c98eb 100644
--- a/apps/lang/slovenscina.lang
+++ b/apps/lang/slovenscina.lang
@@ -12011,20 +12011,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/srpski.lang b/apps/lang/srpski.lang
index 7cd4d94263..179e696363 100644
--- a/apps/lang/srpski.lang
+++ b/apps/lang/srpski.lang
@@ -12499,20 +12499,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Интервал хистограма"
+    histogram: "Интервал хистограма"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Интервал хистограма"
+    histogram: "Интервал хистограма"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/svenska.lang b/apps/lang/svenska.lang
index 6d94e52dfb..ec25e0071d 100644
--- a/apps/lang/svenska.lang
+++ b/apps/lang/svenska.lang
@@ -12091,20 +12091,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Histogramintervall"
+    histogram: "Histogramintervall"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Histogramintervall"
+    histogram: "Histogramintervall"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/tagalog.lang b/apps/lang/tagalog.lang
index f4bbc32bc7..816c039222 100644
--- a/apps/lang/tagalog.lang
+++ b/apps/lang/tagalog.lang
@@ -12559,20 +12559,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/lang/thai.lang b/apps/lang/thai.lang
index d01fde0689..0fceae4ca4 100644
--- a/apps/lang/thai.lang
+++ b/apps/lang/thai.lang
@@ -12511,20 +12511,20 @@
  </voice>
 </phrase>
 <phrase>
-  id: LANG_RECORDING_HISTOGRAM_INTERVAL
+  id: LANG_HISTOGRAM_INTERVAL
  desc: in record settings menu
  user: core
  <source>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </source>
  <dest>
    *: none
-    recording_histogram: "ช่วงเวลาฮิสโตแกรม"
+    histogram: "ช่วงเวลาฮิสโตแกรม"
  </dest>
  <voice>
    *: none
-    recording_histogram: "Histogram interval"
+    histogram: "Histogram interval"
  </voice>
 </phrase>
 <phrase>
diff --git a/apps/menus/display_menu.c b/apps/menus/display_menu.c
index 4badf960ba..7e7b5a6903 100644
--- a/apps/menus/display_menu.c
+++ b/apps/menus/display_menu.c
@@ -443,6 +443,30 @@ static int peak_meter_max(void) {
    settings_apply_pm_range();
    return retval;
 }
+#if defined(HAVE_HISTOGRAM)
+static bool history_interval(void)
+{
+    static const struct opt_items names[] = {
+        { "0s", TALK_ID(0, UNIT_SEC) },
+        { "1s", TALK_ID(1, UNIT_SEC) },
+        { "2s", TALK_ID(2, UNIT_SEC) },
+        { "4s", TALK_ID(4, UNIT_SEC) }
+    };
+    /* reconfigure histogram settings here */
+    return set_option(str(LANG_HISTOGRAM_INTERVAL),
+                          &global_settings.histogram_interval,
+                          INT, names, 4, NULL );
+}
+MENUITEM_FUNCTION(histogram, 0,
+                  ID2P(LANG_HISTOGRAM_INTERVAL),
+                  history_interval, NULL, NULL, Icon_Menu_setting);
+#endif
 MENUITEM_FUNCTION(peak_meter_scale_item, 0, ID2P(LANG_PM_SCALE),
                    peak_meter_scale, NULL, NULL, Icon_NOICON);
 MENUITEM_FUNCTION(peak_meter_min_item, 0, ID2P(LANG_PM_MIN), 
@@ -455,6 +479,9 @@ MAKE_MENU(peak_meter_menu, ID2P(LANG_PM_MENU), NULL, Icon_NOICON,
 #ifdef HAVE_RECORDING
          &peak_meter_clipcounter,
 #endif
+#ifdef HAVE_HISTOGRAM
+          &histogram,
+#endif
          &peak_meter_scale_item, &peak_meter_min_item, &peak_meter_max_item);
 #endif /*  HAVE_LCD_BITMAP */
 /*    PEAK METER MENU              */
diff --git a/apps/menus/recording_menu.c b/apps/menus/recording_menu.c
index 8eaeab699c..ae237b1b4a 100644
--- a/apps/menus/recording_menu.c
+++ b/apps/menus/recording_menu.c
@@ -392,26 +392,6 @@ MENUITEM_FUNCTION(agc_cliptime, 0, ID2P(LANG_RECORDING_AGC_CLIPTIME),
                    agc_cliptime_func, NULL, NULL, Icon_Menu_setting);
 #endif /* HAVE_AGC */
-#if defined(HAVE_RECORDING_HISTOGRAM)
-static bool history_interval(void)
-{
-    static const struct opt_items names[] = {
-        { "0s", TALK_ID(0, UNIT_SEC) },
-        { "1s", TALK_ID(1, UNIT_SEC) },
-        { "2s", TALK_ID(2, UNIT_SEC) },
-        { "4s", TALK_ID(4, UNIT_SEC) }
-    };
-    return set_option(str(LANG_RECORDING_HISTOGRAM_INTERVAL),
-                          &global_settings.rec_histogram_interval,
-                          INT, names, 4, NULL );
-}
-MENUITEM_FUNCTION(recording_histogram, 0,
-                  ID2P(LANG_RECORDING_HISTOGRAM_INTERVAL),
-                  history_interval, NULL, NULL, Icon_Menu_setting);
-#endif
 /** Rec trigger **/
 enum trigger_menu_option
 {
@@ -666,9 +646,6 @@ MAKE_MENU(recording_settings_menu, ID2P(LANG_RECORDING_SETTINGS),
 #ifdef HAVE_AGC
            &agc_preset, &agc_cliptime,
 #endif
-#if defined(HAVE_RECORDING_HISTOGRAM)
-            &recording_histogram,
-#endif
 #ifdef HAVE_LCD_BITMAP
            &peak_meter_menu,
 #endif
diff --git a/apps/recorder/peakmeter.c b/apps/recorder/peakmeter.c
index ca1b8c8750..c13c4c9539 100644
--- a/apps/recorder/peakmeter.c
+++ b/apps/recorder/peakmeter.c
@@ -28,6 +28,7 @@
 #include "storage.h"
 #include "lcd.h"
 #include "scrollbar.h"
+#include "string.h"
 #include "button.h"
 #include "system.h"
 #include "font.h"
@@ -64,9 +65,10 @@ static int pm_cur_left;        /* current values (last peak_meter_peek) */
 static int pm_cur_right;
 static int pm_max_left;        /* maximum values between peak meter draws */
 static int pm_max_right;
-#if defined(HAVE_AGC) || defined(HAVE_RECORDING_HISTOGRAM)
+#if defined(HAVE_AGC) || defined(HAVE_HISTOGRAM)
 static int pm_peakhold_left;   /* max. peak values between peakhold calls */
 static int pm_peakhold_right;  /* used for AGC and histogram display */
+static long next_histogram_update;
 #endif
 /* Clip hold */
@@ -134,6 +136,38 @@ static unsigned int peeks_per_redraw[PEEKS_PER_DRAW_SIZE];
 static unsigned int ticks_per_redraw[TICKS_PER_DRAW_SIZE];
 #endif
+#if defined(HAVE_HISTOGRAM)
+#define HIST_BUF_SIZE (LCD_WIDTH / 2)
+static int hist_l = 0;
+static int hist_r = 0;
+static unsigned char history_l[HIST_BUF_SIZE];
+static unsigned char history_r[HIST_BUF_SIZE];
+static const char hist_level_marks[6] = { 29, 26, 23, 17, 9, 2};
+static int history_pos = 0;
+#define HIST_W (LCD_WIDTH / 2)
+#if LCD_DEPTH > 1
+#ifdef HAVE_LCD_COLOR
+#define LCD_BAL_L LCD_RGBPACK(0, 0, 255)
+#define LCD_BAL_R LCD_RGBPACK(204, 0, 0)
+#define LCD_HIST_OVER LCD_RGBPACK(204, 0, 0)
+#define LCD_HIST_HI LCD_RGBPACK(255, 204, 0)
+#define LCD_HIST_OK LCD_RGBPACK(51, 153, 0)
+#else /* HAVE_LCD_COLOR */
+#define LCD_BATT_OK LCD_BLACK
+#define LCD_BATT_LO LCD_DARKGRAY
+#define LCD_DISK_OK LCD_BLACK
+#define LCD_DISK_LO LCD_DARKGRAY
+#define LCD_HIST_OVER LCD_BLACK
+#define LCD_HIST_OK LCD_DARKGRAY
+#define LCD_BAL LCD_DARKGRAY
+#endif /* HAVE_LCD_COLOR */
+#else /* LCD_DEPTH > 1 */
+#define LCD_HIST_OVER LCD_DEFAULT_FG
+#define LCD_HIST_OK LCD_DEFAULT_FG
+#define LCD_BAL LCD_DEFAULT_FG
+#endif /* LCD_DEPTH > 1 */
+#endif /* HAVE_HISTOGRAM */
 static void peak_meter_draw(struct screen *display, struct meter_scales *meter_scales,
                            int x, int y, int width, int height);
@@ -810,7 +844,7 @@ static int peak_meter_read_l(void)
    retval = pm_max_left;
-#if defined(HAVE_RECORDING_HISTOGRAM) || defined(HAVE_AGC)
+#if defined(HAVE_HISTOGRAM) || defined(HAVE_AGC)
    /* store max peak value for peak_meter_get_peakhold_x readout */
    pm_peakhold_left = MAX(pm_max_left, pm_peakhold_left);
 #endif
@@ -843,7 +877,7 @@ static int peak_meter_read_r(void)
    retval = pm_max_right;
-#if defined(HAVE_RECORDING_HISTOGRAM) || defined(HAVE_AGC)
+#if defined(HAVE_HISTOGRAM) || defined(HAVE_AGC)
    /* store max peak value for peak_meter_get_peakhold_x readout */
    pm_peakhold_right = MAX(pm_max_right, pm_peakhold_right);
 #endif
@@ -857,7 +891,7 @@ static int peak_meter_read_r(void)
    return retval;
 }
-#if defined(HAVE_AGC) || defined(HAVE_RECORDING_HISTOGRAM)
+#if defined(HAVE_AGC) || defined(HAVE_HISTOGRAM)
 /**
 * Reads out the current peak-hold values since the last call.
 * This is used by the histogram feature in the recording screen.
@@ -869,6 +903,14 @@ void peak_meter_get_peakhold(int *peak_left, int *peak_right)
        *peak_left  = pm_peakhold_left;
    if (peak_right)
        *peak_right = pm_peakhold_right;
+#ifdef HAVE_HISTOGRAM
+    if (*peak_left > hist_l)
+        hist_l = *peak_left;
+    if (*peak_right > hist_r)
+        hist_r = *peak_right;
+#endif
    pm_peakhold_left  = 0;
    pm_peakhold_right = 0;
 }
@@ -1447,4 +1489,75 @@ bool peak_meter_histogram(void)
 }
 #endif
+#ifdef HAVE_HISTOGRAM
+void histogram_init()
+{
+    /* get update interval, clear buffer, reset drawing position */
+    memset(history_l, 0, sizeof(unsigned char)*HIST_BUF_SIZE);
+    memset(history_r, 0, sizeof(unsigned char)*HIST_BUF_SIZE);
+    next_histogram_update = current_tick +
+                                      (global_settings.histogram_interval * HZ);
+}
+void histogram_draw(int x1, int x2, int y1, int y2, int width, int height)
+{
+    int i, j;
+    if (current_tick >= next_histogram_update)
+    {
+        /* fill history buffer */
+        history_l[history_pos] = hist_l * height / 32767;
+        history_r[history_pos] = hist_r * height / 32767;
+        history_pos = (history_pos + 1) % HIST_BUF_SIZE;
+        history_l[history_pos] = history_r[history_pos] = 0;
+        history_l[(history_pos + 1) % HIST_BUF_SIZE] = 0;
+        history_r[(history_pos + 1) % HIST_BUF_SIZE] = 0;
+        hist_l = 0;
+        hist_r = 0;
+        next_histogram_update = current_tick +
+                                      (global_settings.histogram_interval * HZ);
+    }
+    lcd_set_drawmode(DRMODE_SOLID);
+    lcd_drawrect(x1, y1, width, height);
+    lcd_drawrect(x2, y2, width, height);
+    lcd_set_drawmode(DRMODE_FG);
+    j = history_pos;
+    for (i = width-2; i >= 0; i--)
+    {
+        j--;
+        if(j<0)
+            j = HIST_BUF_SIZE-1;
+        if (history_l[j])
+        {
+            if (history_l[j] == height)
+                lcd_set_foreground(LCD_HIST_OVER);
+#ifdef HAVE_LCD_COLOR
+            else if (history_l[j] > hist_level_marks[1])
+                lcd_set_foreground(LCD_HIST_HI);
+#endif
+            else
+                lcd_set_foreground(LCD_HIST_OK);
+            lcd_vline(x1 + i, y1 + height - 2, y1 + height - history_l[j]);
+        }
+        if (history_r[j])
+        {
+            if (history_r[j] == height)
+                lcd_set_foreground(LCD_HIST_OVER);
+#ifdef HAVE_LCD_COLOR
+            else if (history_r[j] > hist_level_marks[1])
+                lcd_set_foreground(LCD_HIST_HI);
+#endif
+            else
+                lcd_set_foreground(LCD_HIST_OK);
+            lcd_vline(x2 + i, y2 + height - 2, y2 + height - history_r[j]);
+        }
+    }
+    lcd_set_foreground(
+#ifdef HAVE_LCD_COLOR
+    global_settings.fg_color);
+#else
+    LCD_DEFAULT_FG);
+#endif
+}
+#endif /* HAVE_HISTOGRAM */
diff --git a/apps/recorder/peakmeter.h b/apps/recorder/peakmeter.h
index fee4882679..6be43a5f3a 100644
--- a/apps/recorder/peakmeter.h
+++ b/apps/recorder/peakmeter.h
@@ -56,6 +56,11 @@ extern int  calc_db (int isample);
 extern int  peak_meter_db2sample(int db);
 extern unsigned short peak_meter_scale_value(unsigned short val, int meterwidth);
+#ifdef HAVE_HISTOGRAM
+extern void histogram_init(void);
+extern void histogram_draw(int x1, int x2, int y1, int y2, int width, int height);
+#endif
 /* valid values for trigger_status */
 #define TRIG_OFF            0x00
 #define TRIG_READY          0x01
@@ -103,3 +108,4 @@ struct meter_scales{
 extern void peak_meter_screen(struct screen *display, int x, int y, int height);
 #endif /* __PEAKMETER_H__ */
diff --git a/apps/recorder/recording.c b/apps/recorder/recording.c
index 34283b6cb5..6faaa6c48c 100644
--- a/apps/recorder/recording.c
+++ b/apps/recorder/recording.c
@@ -269,39 +269,9 @@ static short agc_baltime = 0;
 /* AGC maximum gain */
 static short agc_maxgain;
 #endif /* HAVE_AGC */
-#if defined(HAVE_AGC) || defined(HAVE_RECORDING_HISTOGRAM)
+#if defined(HAVE_AGC)
 static long hist_time = 0;
-#endif /* HAVE_AGC or HAVE_RECORDING_HISTOGRAM */
+#endif /* HAVE_AGC */
-/* Histogram data */
-/* TO DO: move some of this stuff inside the recording function? */
-#ifdef HAVE_RECORDING_HISTOGRAM
-static int hist_l = 0;
-static int hist_r = 0;
-#define HIST_BUF_SIZE (LCD_WIDTH)
-#define HIST_Y (hist_pos_y+hist_size_h-1)
-#define HIST_W (LCD_WIDTH / 2 - 4)
-#if LCD_DEPTH > 1
-#ifdef HAVE_LCD_COLOR
-#define LCD_BAL_L LCD_RGBPACK(0, 0, 255)
-#define LCD_BAL_R LCD_RGBPACK(204, 0, 0)
-#define LCD_HIST_OVER LCD_RGBPACK(204, 0, 0)
-#define LCD_HIST_HI LCD_RGBPACK(255, 204, 0)
-#define LCD_HIST_OK LCD_RGBPACK(51, 153, 0)
-#else /* HAVE_LCD_COLOR */
-#define LCD_BATT_OK LCD_BLACK
-#define LCD_BATT_LO LCD_DARKGRAY
-#define LCD_DISK_OK LCD_BLACK
-#define LCD_DISK_LO LCD_DARKGRAY
-#define LCD_HIST_OVER LCD_BLACK
-#define LCD_HIST_OK LCD_DARKGRAY
-#define LCD_BAL LCD_DARKGRAY
-#endif /* HAVE_LCD_COLOR */
-#else /* LCD_DEPTH > 1 */
-#define LCD_HIST_OVER LCD_DEFAULT_FG
-#define LCD_HIST_OK LCD_DEFAULT_FG
-#define LCD_BAL LCD_DEFAULT_FG
-#endif /* LCD_DEPTH > 1 */
-#endif /* HAVE_RECORDING_HISTOGRAM */
 static void set_gain(void)
 {
@@ -368,13 +338,6 @@ static bool read_peak_levels(int *peak_l, int *peak_r, int *balance)
        *balance += balance_mem[i];
    *balance = *balance / BAL_MEM_SIZE;
-#ifdef HAVE_RECORDING_HISTOGRAM
-    if (*peak_l > hist_l)
-        hist_l = *peak_l;
-    if (*peak_r > hist_r)
-        hist_r = *peak_r;
-#endif
    return true;
 }
@@ -1089,18 +1052,12 @@ bool recording_screen(bool no_source)
                                     /* tweak layout tiny screens / big fonts */                                    
    bool compact_view[NB_SCREENS] = { false };
    struct gui_synclist lists;      /* the list in the bottom vp */
-#if defined(HAVE_AGC) || defined(HAVE_RECORDING_HISTOGRAM)
+#if defined(HAVE_AGC)
    bool peak_valid = false;
 #endif
-#if defined(HAVE_RECORDING_HISTOGRAM)
+#if defined(HAVE_HISTOGRAM)
-    int j;
    unsigned short hist_pos_y = 0;
    unsigned short hist_size_h = 0;
-    int history_pos = 0;
-    short hist_time_interval = 1; /* 1, 2, 4, 8 */
-    unsigned char history_l[HIST_BUF_SIZE];
-    unsigned char history_r[HIST_BUF_SIZE];
-    const char hist_level_marks[6] = { 29, 26, 23, 17, 9, 2};
 #endif
 #ifdef HAVE_FMRADIO_REC
    int prev_rec_source = global_settings.rec_source; /* detect source change */
@@ -1186,10 +1143,9 @@ bool recording_screen(bool no_source)
                /* top vp, 4 lines, force sys font if total screen < 6 lines
                NOTE: one could limit the list to 1 line and get away with 5 lines */
                top_height_req[i] = 4;
-#if defined(HAVE_RECORDING_HISTOGRAM)
+#if defined(HAVE_HISTOGRAM)
-                if((global_settings.rec_histogram_interval) && (!i))
+                if((global_settings.histogram_interval) && (!i))
                    top_height_req[i] += 1; /* use one line for histogram */
-                hist_time_interval = 1 << global_settings.rec_histogram_interval;
 #endif
                v = &vp_top[i];
                viewport_set_defaults(v, i);
@@ -1229,13 +1185,11 @@ bool recording_screen(bool no_source)
            send_event(GUI_EVENT_ACTIONUPDATE, (void*)1); /* force a redraw */
-#if defined(HAVE_RECORDING_HISTOGRAM)
+#if defined(HAVE_HISTOGRAM)
-            history_pos = 0;
            hist_pos_y = (compact_view[0] ? 3 : 4) * (font_get(vp_top[0].font)->height)
                                                                                    + 1;
            hist_size_h = font_get(vp_top[0].font)->height - 2;
-            memset(history_l, 0, sizeof(unsigned char)*HIST_BUF_SIZE);
+            histogram_init();
-            memset(history_r, 0, sizeof(unsigned char)*HIST_BUF_SIZE);
 #endif
            FOR_NB_SCREENS(i)
@@ -1887,75 +1841,21 @@ bool recording_screen(bool no_source)
                }
            }
-#ifdef HAVE_RECORDING_HISTOGRAM
+#ifdef HAVE_HISTOGRAM
-        if(global_settings.rec_histogram_interval)
+            if(global_settings.histogram_interval)
-        {
-            if (peak_valid && !(hist_time % hist_time_interval) && hist_l)
            {
-                /* fill history buffer */
+                histogram_draw(0,
-                history_l[history_pos] = hist_l * hist_size_h / 32767;
+                               screens[0].getwidth()/2,
-                history_r[history_pos] = hist_r * hist_size_h / 32767;
+                               hist_pos_y,
-                history_pos = (history_pos + 1) % HIST_BUF_SIZE;
+                               hist_pos_y,
-                history_l[history_pos] = history_r[history_pos] = 0;
+                               screens[0].getwidth()/2,
-                history_l[(history_pos + 1) % HIST_BUF_SIZE] = 0;
+                               hist_size_h);
-                history_r[(history_pos + 1) % HIST_BUF_SIZE] = 0;
-                hist_l = 0;
-                hist_r = 0;
            }
-            lcd_set_drawmode(DRMODE_SOLID);
-            lcd_drawrect(0, hist_pos_y - 1,
-                            HIST_W + 2, hist_size_h + 1);
-            lcd_drawrect(HIST_W + 6, hist_pos_y - 1,
-                            HIST_W + 2, hist_size_h + 1);
-            lcd_set_drawmode(DRMODE_FG);
-            j = history_pos;
-            for (i = HIST_W-1; i >= 0; i--)
-            {
-                j--;
-                if(j<0)
-                    j = HIST_BUF_SIZE-1;
-                if (history_l[j])
-                {
-                    if (history_l[j] == hist_size_h)
-                        lcd_set_foreground(LCD_HIST_OVER);
-#ifdef HAVE_LCD_COLOR
-                    else if (history_l[j] > hist_level_marks[1])
-                        lcd_set_foreground(LCD_HIST_HI);
 #endif
-                    else
-                        lcd_set_foreground(LCD_HIST_OK);
-                    lcd_vline(1 + i, HIST_Y-1, HIST_Y - history_l[j]);
-                }
-                if (history_r[j])
-                {
-                    if (history_r[j] == hist_size_h)
-                        lcd_set_foreground(LCD_HIST_OVER);
-#ifdef HAVE_LCD_COLOR
-                    else if (history_r[j] > hist_level_marks[1])
-                        lcd_set_foreground(LCD_HIST_HI);
-#endif
-                    else
-                        lcd_set_foreground(LCD_HIST_OK);
-                    lcd_vline(HIST_W+7 + i, HIST_Y-1, HIST_Y - history_r[j]);
-                }
-            }
-            lcd_set_foreground(
-#ifdef HAVE_LCD_COLOR
-            global_settings.fg_color);
-#else
-            LCD_DEFAULT_FG);
-#endif
-            for (i = 0; i < 6; i++)
-                lcd_hline(HIST_W + 3, HIST_W + 4,
-                            HIST_Y - hist_level_marks[i]);
-        }
-#endif /* HAVE_RECORDING_HISTOGRAM */
 #ifdef HAVE_AGC
            hist_time++;
 #endif
            /* draw the trigger status */
            if (peak_meter_trigger_status() != TRIG_OFF)
            {
diff --git a/apps/settings.h b/apps/settings.h
index bed88c82ea..05965b3119 100644
--- a/apps/settings.h
+++ b/apps/settings.h
@@ -438,8 +438,8 @@ struct user_settings
    int rec_stop_gap;       /* index of trig_durations */
    int rec_trigger_mode;   /* see TRIG_MODE_XXX constants */
    int rec_trigger_type;   /* what to do when trigger released */
-#ifdef HAVE_RECORDING_HISTOGRAM
+#ifdef HAVE_HISTOGRAM
-    int rec_histogram_interval; /* recording peakmeter histogram */
+    int histogram_interval; /* recording peakmeter histogram */
 #endif
 #ifdef HAVE_AGC
diff --git a/apps/settings_list.c b/apps/settings_list.c
index f282b8afc0..019a14437e 100644
--- a/apps/settings_list.c
+++ b/apps/settings_list.c
@@ -1238,14 +1238,14 @@ const struct settings_list settings[] = {
    CHOICE_SETTING(F_RECSETTING, rec_trigger_type, LANG_RECORD_TRIGGER_TYPE, TRIG_TYPE_STOP,
        "trigger type","stop,pause,nf stp", NULL ,3,
       ID2P(LANG_RECORD_TRIGGER_STOP), ID2P(LANG_PAUSE), ID2P(LANG_RECORD_TRIGGER_NEWFILESTP)),
-#ifdef HAVE_RECORDING_HISTOGRAM
+#endif /* HAVE_RECORDING */
+#ifdef HAVE_HISTOGRAM
     /* TO DO: additional restictions of following REP items? */
-    TABLE_SETTING(F_RECSETTING, rec_histogram_interval, LANG_RECORDING_HISTOGRAM_INTERVAL, 0,
+    TABLE_SETTING(F_RECSETTING, histogram_interval, LANG_HISTOGRAM_INTERVAL, 0,
        "histogram interval","0s,1s,2s,4s",
        UNIT_SEC, NULL, NULL, NULL, 4, 0,1,2,4),
-#endif /* HAVE_RECORDING_HISTOGRAM */
+#endif /* HAVE_HISTOGRAM */
-#endif /* HAVE_RECORDING */
 #ifdef HAVE_SPDIF_POWER
    OFFON_SETTING(F_SOUNDSETTING, spdif_enable, LANG_SPDIF_ENABLE, false,
diff --git a/firmware/export/config/iriverh100.h b/firmware/export/config/iriverh100.h
index 4ebbde8ab1..1a89c7ca2d 100644
--- a/firmware/export/config/iriverh100.h
+++ b/firmware/export/config/iriverh100.h
@@ -123,7 +123,7 @@
 #define HAVE_AGC
-#define HAVE_RECORDING_HISTOGRAM
+#define HAVE_HISTOGRAM
 #define BATTERY_CAPACITY_DEFAULT 1300 /* default battery capacity */
 #define BATTERY_CAPACITY_MIN 1300 /* min. capacity selectable */
diff --git a/firmware/export/config/iriverh120.h b/firmware/export/config/iriverh120.h
index 44b8988a1b..199b948245 100644
--- a/firmware/export/config/iriverh120.h
+++ b/firmware/export/config/iriverh120.h
@@ -114,7 +114,7 @@
 /* define this if you have recording possibility */
 #define HAVE_RECORDING
-#define HAVE_RECORDING_HISTOGRAM
+#define HAVE_HISTOGRAM
 /* Define bitmask of input sources - recordable bitmask can be defined
   explicitly if different */
diff --git a/firmware/export/config/iriverh300.h b/firmware/export/config/iriverh300.h
index c4224d03c6..dbe701362a 100644
--- a/firmware/export/config/iriverh300.h
+++ b/firmware/export/config/iriverh300.h
@@ -110,7 +110,7 @@
 /* define this if you have recording possibility */
 #define HAVE_RECORDING
-#define HAVE_RECORDING_HISTOGRAM
+#define HAVE_HISTOGRAM
 /* Define bitmask of input sources - recordable bitmask can be defined
   explicitly if different */