shithub: sox

Download patch

ref: e1e358ec2c84ac0e6cecf5b1a91e583d9a1b0860
parent: 3551f2a82d7c32d6014e477263a8ca242e704a71
author: robs <robs>
date: Wed Jan 17 18:25:02 EST 2007

tidy-ups

--- a/sox.1
+++ b/sox.1
@@ -1363,10 +1363,10 @@
 or if unspecified).
 .I Q
 applies only to double-pole filters; its default value is 0\*d707 and gives
-a Butterworth response.  The single-pole and double-pole filters roll off at
-6 and 12 dB per octave (20 and 40 dB per decade) respectively.  See
-http://www.musicdsp.org/files/Audio-EQ-Cookbook.txt for a detailed
-discussion of the double-pole filters.
+a Butterworth response.  The filters roll off at
+6dB per pole per octave (20dB per pole per decade).  See
+http://musicdsp.org/files/Audio-EQ-Cookbook.txt for a detailed
+description of the double-pole filters.
 .SP
 These effects support the \fB\-\-octave\fR global option (see above).
 .SP
@@ -1380,7 +1380,7 @@
 .B -1
 option; it is retained for backwards compatibilty only.
 .TP
-\fBlowpass \fIfrequency\fR
+\fBlowpass\fR [\fB-1\fR|\fB-2\fR] \fIfrequency\fR [\fIQ\fR]
 Apply a low-pass filter.
 See the description of the \fBhighpass\fR effect for details.
 .TP