speaker-test
command-line speaker test tone generator for ALSA
see also :
aplay
Synopsis
speaker-test
[-options]
add an example, a script, a trick and tips
examples
source
speaker-test -c 4 -t wav -l 1
source
bash clean.sh
speaker-test -t sine -b 1000 -p 1000 -f 1000 -l 2 >
/dev/null
rhythmbox-client --play
echo | date
rhythmbox-client --pause
speaker-test -t sine -b 1000 -p 1000 -f 1000 -l 2 >
/dev/null
bash commitwork.sh "$1"
sleep 300
source
read lala
speaker-test -c 6 -l 1 -t wav
done
echo "Aufnahmetest"
sucheAusgabe()
{
dev="$1"
echo "Ausgabesoundkarte
suchen: Kopfhörer einstecken"
description
speaker-test
generates a tone that can be used to test the speakers of a
computer.
speaker-test
by default will test the default 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 aplay -L.
$ aplay -L
null
Discard all samples (playback) or generate zero samples
(capture)
default:CARD=ICH5
Intel ICH5, Intel ICH5
Default Audio Device
front:CARD=ICH5,DEV=0
Intel ICH5, Intel ICH5
Front speakers
surround40:CARD=ICH5,DEV=0
Intel ICH5, Intel ICH5
4.0 Surround output to Front and Rear speakers
(...)
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 speaker-test -Dsurround40:ICH5 -c 6. The
-c option will indicate that the six audio channels
in the device have to be tested.
options
-c
| --channels NUM
NUM channels in
stream
-D |
--device NAME
PCM device name NAME
-f |
--frequency FREQ
sine wave of FREQ Hz
-b |
--buffer TIME
Use buffer size of TIME
microseconds. When 0 is given, use the maximal buffer size.
The default value is 0.
-p |
--period TIME
Use period size of TIME
microseconds. When 0 is given, the periods given by
-P option is used. The default value is 0.
-P |
--nperiods PERIODS
Use number of periods. The
default value is 4.
-r |
--rate RATE
stream of RATE Hz
-t |
--test pink|sine|wav
-t pink means use
pink noise (default).
Pink noise is
perceptually uniform noise -- that is, it sounds like every
frequency at once. If you can hear any tone it may indicate
resonances in your speaker system or room.
-t
sine means to use sine wave.
-t
wav means to play WAV files, either pre-defined files or
given via -w option.
You can pass
the number from 1 to 3 as a backward compatibility.
-l |
--nloops COUNT
Specifies the
number of loops. Zero means to run infinitely.
When
-s option below with a valid channel is given,
speaker-test will perform always a single-shot
without looping.
-s |
--speaker CHANNEL
Do a single-shot speaker test
for the given channel. The channel number starts from 1. The
channel number corresponds to left, right, rear-left,
rear-right, center, LFE, side-left, side-right, and so
on.
For example,
when 1 is passed, it tests the left channel only once rather
than both channels with looping.
-w |
--wavfile
Use the given WAV file for the
playback instead of pre-defined WAV files.
-W |
--wavdir
Specify the directory
containing WAV files for playback. The default path is
/usr/share/sounds/alsa.
usage examples
Produce stereo sound from one stereo jack:
speaker-test -Dplug:front -c2
Produce 4 speaker sound from two stereo jacks:
speaker-test -Dplug:surround40 -c4
Produce 5.1 speaker sound from three stereo jacks:
speaker-test -Dplug:surround51 -c6
To send a nice low 75Hz tone to the Woofer and then exit without
touching any other speakers:
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
see also
aplay
author
The
speaker-test program was written by James Courtier-Dutton.
Pink noise support was added by Nathan Hurst. Further
extensions by Takashi Iwai.