View source for Sound on marsboard

== Sound on Linux ==

=== Install Alsa===
    apt-get install alsa-base

=== HDMI/AV OUT audio ===
To test audio on marsboard, you can run the following command:
    '''speaker-test -t wav -c 2'''
the output is
    speaker-test 1.0.25
    Playback device is default
    Stream parameters are 48000Hz, S16_LE, 2 channels
    WAV file(s)
    Rate set to 48000Hz (requested 48000Hz)
    Buffer size range from 48 to 32768
    Period size range from 16 to 3072
    Using max buffer size 32768
    Periods = 4
    was set period_size = 2979
    was set buffer_size = 32768
    0 - Front Left
    1 - Front Right
    Time per period = 2.061311