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authorRobin Gareus <robin@gareus.org>2013-07-06 01:40:57 +0200
committerRobin Gareus <robin@gareus.org>2013-07-10 15:27:11 +0200
commitc1f56d4d7c12290c06392539f05547a7bd89e5b2 (patch)
tree1c311aa54411563eb00d3ad347a128ae2ab76fc4 /libs/ardour/ardour/utils.h
parent8427faf1fb7f704c4d3161ab80639e685845508b (diff)
meter line-up and fall-off standard values & names
Diffstat (limited to 'libs/ardour/ardour/utils.h')
-rw-r--r--libs/ardour/ardour/utils.h16
1 files changed, 9 insertions, 7 deletions
diff --git a/libs/ardour/ardour/utils.h b/libs/ardour/ardour/utils.h
index 0aa4193394..bf91d4d57e 100644
--- a/libs/ardour/ardour/utils.h
+++ b/libs/ardour/ardour/utils.h
@@ -149,13 +149,15 @@ double slider_position_to_gain_with_max (double g, double max_gain = 2.0);
* These rates are db/sec.
*/
-#define METER_FALLOFF_OFF 0.0f
-#define METER_FALLOFF_SLOWEST 6.6f // BBC standard
-#define METER_FALLOFF_SLOW 8.6f // BBC standard
-#define METER_FALLOFF_MEDIUM 20.0f
-#define METER_FALLOFF_FAST 32.0f
-#define METER_FALLOFF_FASTER 46.0f
-#define METER_FALLOFF_FASTEST 70.0f
+#define METER_FALLOFF_OFF 0.0f
+#define METER_FALLOFF_SLOWEST 6.6f // BBC standard
+#define METER_FALLOFF_SLOW 8.6f // BBC standard, EBU 24dB / 2.8sec
+#define METER_FALLOFF_SLOWISH 12.0f // DIN 20dB / 1.7 sec
+#define METER_FALLOFF_MODERATE 13.3f // EBU-PPM, IRT PPM- 20dB / 1.5 sec
+#define METER_FALLOFF_MEDIUM 20.0f
+#define METER_FALLOFF_FAST 32.0f
+#define METER_FALLOFF_FASTER 46.0f
+#define METER_FALLOFF_FASTEST 70.0f
float meter_falloff_to_float (ARDOUR::MeterFalloff);
ARDOUR::MeterFalloff meter_falloff_from_float (float);