Comment 8 for bug 80907

mpg321 -s <filename> | aplay -vf dat

gives

High Performance MPEG 1.0/2.0/2.5 Audio Player for Layer 1, 2, and 3.
Version 0.59q (2002/03/23). Written and copyrights by Joe Drew.
Uses code from various people. See 'README' for more!
THIS SOFTWARE COMES WITH ABSOLUTELY NO WARRANTY! USE AT YOUR OWN RISK!
Title : I Have A Dream Artist: Martin Luther King, Jr.
Album : Year : 1963
Comment: Genre : SpeechSpeech

Playing MPEG stream from test.mp3 ...
MPEG 1.0 layer III, 56 kbit/s, 22050 Hz mono
Playing raw data 'stdin' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo
Plug PCM: Direct Stream Mixing PCM
Its setup is:
  stream : PLAYBACK
  access : RW_INTERLEAVED
  format : S16_LE
  subformat : STD
  channels : 2
  rate : 48000
  exact rate : 48000 (48000/1)
  msbits : 16
  buffer_size : 16384
  period_size : 1024
  period_time : 21333
  tick_time : 0
  tstamp_mode : NONE
  period_step : 1
  sleep_min : 0
  avail_min : 1024
  xfer_align : 1024
  start_threshold : 16384
  stop_threshold : 16384
  silence_threshold: 0
  silence_size : 0
  boundary : 1073741824
Hardware PCM card 0 'Intel ICH6' device 0 subdevice 0
Its setup is:
  stream : PLAYBACK
  access : MMAP_INTERLEAVED
  format : S16_LE
  subformat : STD
  channels : 2
  rate : 0
  exact rate : nan (0/0)
  msbits : 0
  buffer_size : 16384
  period_size : 0
  period_time : 0
  tick_time : 0
  tstamp_mode : NONE
  period_step : 0
  sleep_min : 0
  avail_min : 0
  xfer_align : 0
  start_threshold : 0
  stop_threshold : 0
  silence_threshold: 0
  silence_size : 0
  boundary : 1073741824