# mplayer /root/song30.mp3
MPlayer 1.0pre8-3.3.5 (C) 2000-2006 MPlayer Team
CPU: Intel(R) Core(TM)2 CPU         T5500  @ 1.66GHz (Family: 6, Model: 15, Stepping: 6)
CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled with runtime CPU detection.


Playing /root/song30.mp3.
Audio file file format detected.
==========================================================================
Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
AUDIO: 44100 Hz, 2 ch, s16le, 128.0 kbit/9.07% (ratio: 16000->176400)
Selected audio codec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3)
==========================================================================
ao2: 44100 Hz  2 chans  s16le [0x9]
[AO SUN] Can't open audio device /dev/audio, Invalid argument  -> nosound.
AO: [null] 44100Hz 2ch s16le (2 bytes per sample)
Video: no video
Starting playback...
A:   6.9 (06.9) of 181.0 (03:01.0)  0.5%

MPlayer interrupted by signal 2 in module: play_audio


# mpg123  /root/song30.mp3
High Performance MPEG 1.0/2.0/2.5 Audio Player for Layer 1, 2 and 3.
Version 0.59r (1999/Jun/15). Written and copyrights by Michael Hipp.
Uses code from various people. See 'README' for more!
THIS SOFTWARE COMES WITH ABSOLUTELY NO WARRANTY! USE AT YOUR OWN RISK!

Directory: /root/
Playing MPEG stream from song30.mp3 ...
MPEG 1.0 layer III, 128 kbit/s, 44100 Hz stereo
Failed to open /dev/audio: Invalid argument
Failed to open /dev/audio: Invalid argument
Failed to open /dev/audio: Invalid argument
Failed to open /dev/audio: Invalid argument
Failed to open /dev/audio: Invalid argument
Failed to open /dev/audio: Invalid argument
No supported rate found!