hi mathieu,
you can download it: http://www.workinprogress.ca/pd/32float.wav
here's the information about it using libsndfile (tools):
Version : libsndfile-1.0.12
========================================
File : 32float.wav
Length : 465528
RIFF : 465520
WAVE
fmt : 16
Format : 0x3 => WAVE_FORMAT_IEEE_FLOAT
Channels : 2
Sample Rate : 44100
Block Align : 8
Bit Width : 32
Bytes/sec : 352800
fact : 4
frames : 58180
PEAK : 24
version : 1
time stamp : 1167715532
Ch Position Value
0 43675 0.97724
1 30217 0.93968
data : 465440
End
Sample Rate : 44100 Frames : 58180 Channels : 2 Format : 0x00010006 Sections : 1 Seekable : TRUE Duration : 00:00:01.319 Signal Max : 0.97724 (-0.20 dB)
that would be neat to add this format to soundfile_info. patrick