File 0017-speaker-test.1-Clarify-man-page-by-giving-examples.patch of Package alsa-utils

From 471191abe59cce84b104fc6f601cbb852a8d07e7 Mon Sep 17 00:00:00 2001
From: Daniel T Chen <>
Date: Sat, 4 Jun 2011 17:44:43 -0400
Subject: [PATCH] speaker-test.1: Clarify man page by giving examples
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From the Debian bug report:
"The speaker-test manpage could be improved somewhat by helping a
little bit the user determine how to find out the devices he can test.

Based on I have make some changes
to the manpage (diff attached) to describe a little bit more how
speaker-test can be used alongside 'aplay'.

Please consider the following patch for

Signed-off-by: Javier Fernández-Sanguino Peña <>
Signed-off-by: Takashi Iwai <>
 speaker-test/speaker-test.1 |   46 ++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 45 insertions(+), 1 deletions(-)

diff --git a/speaker-test/speaker-test.1 b/speaker-test/speaker-test.1
index f0948a6..6ef0814 100644
--- a/speaker-test/speaker-test.1
+++ b/speaker-test/speaker-test.1
@@ -11,7 +11,7 @@
 .  fi
 .  PP
-.TH SPEAKER\-TEST 1 "20 September 2004" speaker-test
+.TH SPEAKER\-TEST 1 "April 2nd, 2011" speaker-test
 speaker\-test \- command-line speaker test tone generator for ALSA 
@@ -20,6 +20,41 @@ speaker\-test \- command-line speaker test tone generator for ALSA
 \fBspeaker\-test\fP generates a tone that can be used to test the speakers of a computer.
+\fBspeaker-test\fP by default will test the \fIdefault\fP device. If you
+want to test another sound device you will have first to get a list of
+all of the sound cards in your system and the devices associated with
+those cards. Notice that there might be for example, one device for
+analog sound, one for digital sound and one for HDMI sound.
+To get the list of available cards and devices you can run \fBaplay -L\fR.
+.P \fBaplay\fR's output will be similar to this one:
+$ aplay -L
+    Discard all samples (playback) or generate zero samples (capture)
+    Intel ICH5, Intel ICH5
+    Default Audio Device
+    Intel ICH5, Intel ICH5
+    Front speakers
+    Intel ICH5, Intel ICH5
+    4.0 Surround output to Front and Rear speakers
+.P Each of the devices is listed in the beginning of the definition so,
+in the above example, there are four devices listed: null, default, front
+and surround40. So, if you want to test the last device you can 
+run \fBspeaker-test -Dsurround40:ICH5 -c 6\fR. The \fB-c\fR option will
+indicate that the six audio channels in the device have to be tested.
@@ -119,6 +154,15 @@ To send a nice low 75Hz tone to the Woofer and then exit without touching any ot
   speaker-test -Dplug:surround51 -c6 -s1 -f75
+To do a 2-speaker test using the spdif (coax or optical) output:
+  speaker-test -Dplug:spdif -c2
+.BR aplay(1)
 The speaker-test program was written by James Courtier-Dutton.
 Pink noise support was added by Nathan Hurst.
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