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On Mar 6, 2011, at 01:22, Erik de Castro Lopo wrote: > Brian Willoughby wrote: >> Hopefully, libsndfile no longer uses the incorrect 0x7FFF (32767) >> factor for float to 16-bit integer conversions, because that would >> make it unacceptable for lossless file conversions. > > That is a statement of opinion rather than fact but I won't go into > that here. It is

...for > float-to-int and int-to-float because it has a single significant > bit, and thus this factor does not increase the bit depth of the > samples passing through. i'm not sure what "all" means, but i don't think its remotely as clear cut as you insist: http://blog.bjornroche.com/2009/12/int-float-int-its-jungle-out-there.html moreover, its critically important to note that this issue arises primarily for float<=>16 bit int conversions, where generally dithering should be done anyway. the noise introduced by dithering will be at least on the same order of magnit...