ref: a47fa363333f286d6039f0aebc782ef46d059ab7
parent: 6e459618b12eddfe4791b7f43b2f58605352229b
author: robs <robs>
date: Fri Jan 4 13:41:05 EST 2008
clarify freq. sweep type
--- a/soxeffect.7
+++ b/soxeffect.7
@@ -921,7 +921,7 @@
file with both channels containing the same audio.
.TP
\fBsynth\fR [\fIlen\fR] {[\fItype\fR] [\fIcombine\fR] [\fIfreq\fR[\fI\-freq2\fR]] [\fIoff\fR] [\fIph\fR] [\fIp1\fR] [\fIp2\fR] [\fIp3\fR]}-This effect can be used to generate fixed or swept frequency audio tones
+This effect can be used to generate fixed or linearly swept frequency audio tones
with various wave shapes, or to generate wide-band noise of various
`colours'.
Multiple synth effects can be cascaded to produce more complex
@@ -940,7 +940,7 @@
effect that can has an associated length).
.SP
For example, the following produces a 3 second, 44\*d1\ kHz,
-audio file containing a sine-wave swept from 300 to 3300\ Hz:
+audio file containing a sine-wave swept linearly from 300 to 3300\ Hz:
.EX
sox -n output.au synth 3 sine 300-3300
.EE