~/MyDocs/.sounds $ mplayer -ao alsa:device=usb Moby-In_My_Heart.mp3
MPlayer 1.0rc1-maemo.29.n8x0 (C) 2000-2006 MPlayer Team
CPU: ARM
Internet Tablet OS version: RX-34+RX-44+RX-48_DIABLO_5.2010.33-1_PR_MR0

[MENU] Can't open menu config file: /home/user/.mplayer/menu.conf
Menu inited: /etc/mplayer/menu.conf

Playing Moby-In_My_Heart.mp3.
Cache fill:  0.00% (0 bytes)
Audio file file format detected.
==========================================================================
Trying to force audio codec driver family dspmp3...
Opening audio decoder: [dspmp3] MP3 audio pass-through for Nokia 770/N800 (fake decoder)
ADecoder preinit failed :(
ADecoder init failed :(
Trying to force audio codec driver family libmad...
Opening audio decoder: [libmad] libmad mpeg audio decoder
AUDIO: 44100 Hz, 2 ch, s16le, 128.0 kbit/9.07% (ratio: 16000->176400)
Selected audio codec: [mad] afm: libmad (libMAD MPEG layer 1-2-3)
==========================================================================
alsa-lib: pcm.c:2144:(snd_pcm_open_noupdate) Unknown PCM usb
alsa-init: playback open error: No such file or directory
Could not open/initialize audio device -> no sound.
Audio: no sound
Video: no video


Exiting... (End of file)
~/MyDocs/.sounds $