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-rw-r--r--doc/example.ini7
1 files changed, 6 insertions, 1 deletions
diff --git a/doc/example.ini b/doc/example.ini
index 6887972..bdb3f00 100644
--- a/doc/example.ini
+++ b/doc/example.ini
@@ -270,4 +270,9 @@ offset=0.002
enable=0
comb=16
pattern=3
-
+; There are two variants of TII being used. The old variant that uses the wrong
+; phase on the second carrier in each carrier pairs and is therefore not
+; conforming to the specification. Modern analysers can decode both variants,
+; while others, like the Philips DAB752 and the VAD v2 monitor are known to
+; decode only the old non-conforming variant.
+old_variant=0