[haiku-bugs] [Haiku] #9438: Mixer not resampling very well
- From: "Pete" <trac@xxxxxxxxxxxx>
- Date: Tue, 05 Feb 2013 23:19:27 -0000
#9438: Mixer not resampling very well
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Reporter: Pete | Owner: nobody
Type: bug | Status: new
Priority: normal | Milestone: R1
Component: Audio & Video | Version: R1/alpha4.1
Keywords: | Blocked By:
Blocking: | Has a Patch: 0
Platform: All |
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If audio is generated at a different rate from the driver's sample rate,
the output has crackles, hash and other artefacts. This seems to happen
whatever the mismatched rates are. I originally noticed it with 96000
output and 48000 source, but, as I have now reduced my system's rate to
48000, I'm attaching two sample audio sweeps that are identical except
that one was generated at 48000 and the other at 44100. If the output
rate is not one of those, both will sound bad, but if you select one or
the other of those rates in Media Prefs, the corresponding file will be a
perfect sweep, and the other will have crackles and "ghost sweeps" in the
background!
(My audio is HDA, but I assume that this is irrelevant because the
resampling is done in the mixer.)
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Ticket URL: <http://dev.haiku-os.org/ticket/9438>
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