On Thu, 2007-09-27 at 18:32 +0200, Georg Holzmann wrote: > Hallo list! > > I am just thinking about the right strategy for denormal handling in a > floating point (single or double prec) audio application (and yes I > already read the docs of the different methods at musicdsp and so on ...) > > Basically my question is, if it is enough to simply turn on the > Flush-to-zero and Denormals-are-zero mode and then compile everything > with -msse -mfpmath=sse ? > I know it won't run on older Pentium3,2 etc. - but for the machines > which support this feature, is this enough ?
it helps, but adding a small DC bias (i.e. adding a very very very small constant number to all sample data) works even better. if you app is going to be GPL'ed, feel free to grab libs/pbd/fpu.cc from the ardour source code. --p _______________________________________________ Linux-audio-dev mailing list [email protected] http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-dev
