[Bug 14717] New: resampled sound is horrible

wine-bugs at winehq.org wine-bugs at winehq.org
Fri Aug 1 09:36:40 CDT 2008


           Summary: resampled sound is horrible
           Product: Wine
           Version: 1.0.0
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: P2
         Component: directx-dsound
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: patrakov at gmail.com

The problem is reported because the default sampling frequency in wine (as
configured by winecfg) is 48000 Hz, while apps generally want 44100 Hz.

However, the resampling code in dlls/dsound/mixer.c, function
DSOUND_MixToTemporary(), if I read it correctly, is simply a zero-order hold,
which is completely unacceptable. Even if I don't read it correctly, the
quality is horrible with 48000 Hz and OK with 44100 Hz (tested with MP3 files
in foobar 2000). Please change the resampling method to something more
scientific, e.g., by using libsamplerate.

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