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Can SoX handle float file with volume over 0dBFS?
bennetng
post Jul 20 2013, 08:00
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I have such files and foobar shows 7.079733 in replaygain scan (track peak) but when I use SoX's stats command I got the following

CODE
Input File     : 'D:\bennet\@\sox\float.wav'
Channels       : 2
Sample Rate    : 44100
Precision      : 24-bit
Duration       : 00:00:26.43 = 1165375 samples = 1981.93 CDDA sectors
File Size      : 9.32M
Bit Rate       : 2.82M
Sample Encoding: 32-bit Floating Point PCM

In:100%  00:00:26.43 [00:00:00.00] Out:1.17M [!=====|=====!]        Clip:926k
             Overall     Left      Right
DC offset   0.000284  0.000284  0.000283
Min level  -1.000000 -1.000000 -1.000000
Max level   1.000000  1.000000  1.000000
Pk lev dB       0.00      0.00      0.00
RMS lev dB     -3.61     -3.61     -3.61
RMS Pk dB      -0.27     -0.27     -0.27
RMS Tr dB      -1.#J     -1.#J     -1.#J
Crest factor       -      1.51      1.51
Flat factor    37.26     37.26     37.26
Pk count        463k      463k      463k
Bit-depth      32/32     32/32     32/32
Num samples    1.17M
Length s      26.426
Scale max   1.000000
Window s       0.050
Done.


I tried SoX's −G and the gain and norm commands to process the files but clipping distortion persists. In foobar I can use replaygain>preamp to reduce volume without distortion. Is this SoX's limitation? Thanks!
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