[LAU] Strange sound file

Dan S danstowell+lxau at gmail.com
Sun Aug 23 17:19:35 EDT 2009


Hi -

If you look at the two outputs below you'll see that newmessage.wav
has some extra info embedded in it - possibly newmessage.wav is
actually a BWF-format file?
http://en.wikipedia.org/wiki/Broadcast_Wave_Format

Dan


sndfile-info *.wav
Version : libsndfile-1.0.19
========================================
File : newmessage.wav
Length : 23994
RIFF : 23986
WAVE
fmt  : 16
  Format        : 0x1 => WAVE_FORMAT_PCM
  Channels      : 2
  Sample Rate   : 44100
  Block Align   : 4
  Bit Width     : 16
  Bytes/sec     : 176400
data : 23868
LIST : 74
  INFO
    ISFT : Sonic Foundry Sound Forge 6.0
    IENG :
    ICRD : 2005-05-16
End

----------------------------------------
Sample Rate : 44100
Frames      : 5967
Channels    : 2
Format      : 0x00010002
Sections    : 1
Seekable    : TRUE
Duration    : 00:00:00.135
Signal Max  : 32768 (0.00 dB)

========================================
File : voicemail.wav
Length : 57536
RIFF : 57528
WAVE
fmt  : 16
  Format        : 0x1 => WAVE_FORMAT_PCM
  Channels      : 1
  Sample Rate   : 44100
  Block Align   : 2
  Bit Width     : 16
  Bytes/sec     : 88200
data : 57492
End

----------------------------------------
Sample Rate : 44100
Frames      : 28746
Channels    : 1
Format      : 0x00010002
Sections    : 1
Seekable    : TRUE
Duration    : 00:00:00.652
Signal Max  : 32768 (0.00 dB)

========================================
Total Duration : 00:00:00.787



2009/8/23 Eugen Dedu <Eugen.Dedu at pu-pm.univ-fcomte.fr>:
> Hi,
>
> I do not know much about audio.  The "newmessage.wav" file from
> http://git.gnome.org/cgit/ekiga/tree/sounds is strange because it is
> correctly played by aplay, vlc plays it but not the same thing is heard,
> and xmms does not play it all.  Standard windows programs do not play it
> either.  Could someone tell me what's special with this file?
>
> Thanks,
> --
> Eugen
> _______________________________________________
> Linux-audio-user mailing list
> Linux-audio-user at lists.linuxaudio.org
> http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
>



-- 
http://www.mcld.co.uk



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