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-rw-r--r--doc/filters.texi11
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi
index 3b4ec2c..49fab59 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -952,7 +952,9 @@ Available keys for each channel are:
DC_offset
Min_level
Max_level
+Min_difference
Max_difference
+Mean_difference
Peak_level
RMS_peak
RMS_trough
@@ -965,7 +967,9 @@ and for Overall:
DC_offset
Min_level
Max_level
+Min_difference
Max_difference
+Mean_difference
Peak_level
RMS_level
RMS_peak
@@ -997,9 +1001,16 @@ Minimal sample level.
@item Max level
Maximal sample level.
+@item Min difference
+Minimal difference between two consecutive samples.
+
@item Max difference
Maximal difference between two consecutive samples.
+@item Mean difference
+Mean difference between two consecutive samples.
+The average of each difference between two consecutive samples.
+
@item Peak level dB
@item RMS level dB
Standard peak and RMS level measured in dBFS.
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