Query: speaker-test
OS: suse
Section: 1
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
SPEAKER-TEST(1) General Commands Manual SPEAKER-TEST(1)NAMEspeaker-test - command-line speaker test tone generator for ALSASYNOPSISspeaker-test [-options]DESCRIPTIONspeaker-test generates a tone that can be used to test the speakers of a computer.OPTIONS-c | --channels NUM NUM channels in stream -D | --device NAME PCM device name NAME -f | --frequency FREQ sine wave of FREQ Hz --help Print usage help -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 ERIODS 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 indi- cate 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 EXAMPLESProduce 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 -f75AUTHORThe speaker-test program was written by James Courtier-Dutton. Pink noise support was added by Nathan Hurst. Further extensions by Takashi Iwai. speaker-test 20 September 2004 SPEAKER-TEST(1)
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