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Java sound with Beagleboard

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I tried to play some wav files with Java (javax.sound.sampled) on my Beagleboard. It worked without Exceptions but I didn't hear the sound. The hardware was not the problem...

By default, sound output was set to muted :(

I solved the problem with

opkg install alsa-utils
//optional for tests
opkg install mplayer

Use alsamixer for the configuration:

Alsamixer

Alsamixer

  • Set Headset volumne
  • Toggle mute for HeadsetL Mixer AudioL1 and HeadsetR Mixer Audio R1 (Press m key)
  • Check volume for DAC2 Analog

Test:

mplayer sound.wav

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