X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=m4%2Flls%2Ffilter.suite.m4;h=376e8758a1a651784c1455a97a1bff12415cf9cc;hp=0cd69ebd311b7a008f9a8731ebbba3a9a8b3b65b;hb=23ef2355fbdebce56083ec7a0ebb65a05c42e5dc;hpb=764e71ceb1e188086c08e38dfd52d45b67dc15ba

diff --git a/m4/lls/filter.suite.m4 b/m4/lls/filter.suite.m4
index 0cd69ebd..376e8758 100644
--- a/m4/lls/filter.suite.m4
+++ b/m4/lls/filter.suite.m4
@@ -4,9 +4,9 @@ version-string = GIT_VERSION()
 [supercommand para_filter]
 	purpose = decode or process audio data from STDIN to STDOUT
 	[description]
-		This program allows to specify a chain of filters which transform the
-		audio stream read from STDIN. A common mode of operation is to decode
-		an mp3 file with the mp3dec filter, but many other filters exist which
+		This program transforms the audio stream read from STDIN by chaining
+		one or more filters. A common mode of operation is to decode an
+		mp3 file with the mp3dec filter, but many other filters exist which
 		transform the audio stream in different ways.
 	[/description]
 	m4_include(common-option-section.m4)
@@ -35,3 +35,15 @@ version-string = GIT_VERSION()
 			through all given filters (in a single thread without copying the
 			data). The same filter may appear more than once, and order matters.
 		[/help]
+[section Examples]
+	.IP \(bu 4
+	Decode a wma file to wav format:
+	.EX
+	\ 	para_filter -f wmadec -f wav < file.wma > file.wav
+	.EE
+	.IP \(bu 4
+	Amplify a raw audio file by a factor of 1.5:
+	.EX
+	\ 	para_filter -f amp --amp 32 < foo.raw > bar.raw
+	.EE
+[/section]