ref: eea5c7fb3ac1f2b4484a965139b91668cf4df709
parent: d72c48e4507acc07ede6dd94acaa8b7d74d56bb3
author: robs <robs>
date: Wed Aug 5 14:41:53 EDT 2009
use current designation for CD spec
--- a/sox.1
+++ b/sox.1
@@ -1834,8 +1834,8 @@
.EE
.TP
\fBdeemph\fR
-Apply ISO 908 de-emphasis (a treble attenuation shelving filter) to
-44\*d1kHz (Compact Disc) audio.
+Apply Compact Disc (IEC 60908) de-emphasis (a treble attenuation shelving
+filter).
.SP
Pre-emphasis was applied in the mastering of some CDs issued in the early
1980s. These included many classical music albums, as well as now
--- a/src/deemph.plt
+++ b/src/deemph.plt
@@ -8,7 +8,7 @@
# License: LGPL (Lesser Gnu Public License)
#
# This implements the inverse filter of the optional pre-emphasis stage
-# as defined by ISO 908 (describing the audio cd format).
+# as defined by IEC 60908 (describing the audio cd format).
#
# Background: In the early days of audio cds, there were recording
# problems with noise (for example in classical recordings). The high