[Bug 14717] resampled sound is horrible

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=14717

--- Comment #227 from Alexey Loukianov <mooroon2 at mail.ru> 2011-11-10 18:37:11 CST ---
P.S. Sorry for hi-jacking the bug report a bit more but I have a semi-related
question for Andrew to ask: looks like that the default samplerate for dsound
is set to be 44100Hz, which differs from the typical 48000Hz value that's being
used by most AC97 codecs. HDA codecs typically use 96000Hz or 192000Hz as their
base internal samplerate (ones that don't use PDM internally, but latter are
extremely rare and are typical only for Hi-End sound interfaces). It leads us
to a fact that if we've got DSound resampling everything that's being fed into
it to the 44100Hz, then it would get another resampling to 48KHz (96/192),
either in software (dmix/pulse/name your beloved soundserver here) or in
hardware (SB Live! cards resample internally to 48KHz using built-in DSP for
such cases). Maybe it would be wise to change the default to be 48KHz? It would
save users from extra resampling in good cases and wouldn't hurt quality much
for unfortunate case having non-matching hardware internal sample rate.

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