# HG changeset patch
# User Chris Cannam
# Date 1680281483 -3600
#      Fri Mar 31 17:51:23 2023 +0100
# Node ID 9489a074a7737fddf6afc8750211b00fd0db2096
# Parent  8406412c9b8025e64429cd4d039b56643342d515
Comment

diff --git a/feature-fn.sml b/feature-fn.sml
--- a/feature-fn.sml
+++ b/feature-fn.sml
@@ -119,7 +119,8 @@
      spacing is 21.5Hz, which is mapped linearly for bins 0-34 (0 to
      732Hz), and logarithmically for the remaining bins (midi notes 79
      to 127, bins 35 to 83), where all energy above note 127 is mapped
-     into the final bin."
+     into the final bin." (all assuming reference 440Hz; midi note 127
+     corresponds to 12544Hz)
 *)
 functor SemitoneishFeatureBlockStreamFn (S : FREQUENCY_DOMAIN_BLOCK_STREAM) :
         sig