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-rw-r--r--doc/example.ini10
1 files changed, 7 insertions, 3 deletions
diff --git a/doc/example.ini b/doc/example.ini
index 36a6c2f..0659813 100644
--- a/doc/example.ini
+++ b/doc/example.ini
@@ -83,14 +83,18 @@ loop=0
; for some power amplifier. The output samples are limited to a magnitude
; of 32768.
;
-; Mode 'var' uses the method specified in ETSI 300 798. This method
+; Mode 'var' uses the method specified in ETSI 300 798 Clause 5.3. This method
; normalizes to 4 times the standard deviation for an approximation of the RMS
; power. So around 6/100000 samples will be truncated and will introduce some
; really minor distortion. But this mode also maximizes the output power. This
; is the gain mode recommended for real world operation as it is based on a DAB
-; standard; the only difference is that ODR-DabMod uses a better resolution
-; with 16 bits instead of 8 bits.
+; standard; the only difference is that ODR-DabMod internally calculates this with
+; 32-bit floats instead of 8 bits.
gainmode=var
+;
+; In mode var, you can choose to normalise the samples to something else than
+; 4 times the standard deviation.
+;normalise_variance=4
; Transmission mode
; If not defined, take the mode from ETI