Re: [Audacity-quality] changes in Resample code
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From: Vaughan J. <va...@au...> - 2013-01-14 04:57:08
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On 1/13/2013 8:20 PM, Bill Wharrie wrote: > > On 13/01/2013, at 5:41 PM, Vaughan Johnson <va...@au...> wrote: > >> On 1/13/2013 2:07 PM, Rob Sykes wrote: >>> ----- Original Message ----- >>> >>>> From: Vaughan Johnson <va...@au...> >>>> To: aud...@li... >>>> Cc: >>>> Sent: Saturday, 12 January 2013, 21:46 >>>> Subject: Re: [Audacity-quality] changes in Resample code >>>> >>>> T hanks for checking, Rob. Should also be fixed for any of the var-rate. >>> >>> I tried exporting with a time-track & libsamplerate but the spectrogram of the result showed very high artefact levels -- I'd expect this should be libsamplerate's best quality and therefore low artefact levels. This was after a make clean so I'm fairly sure that my build was true -- can anyone else confirm this behaviour? >>> >> >> Did you reset your Audacity preferences before this test? If not, >> because libsoxr was using the same keys as libsamplerate, libsamplerate >> could be getting the pref values set for libsoxr. >> >> (That's why I also made the change to have libsoxr use distinct >> keys/defaults for its prefs. Henceforth, each resampler gets its own set >> of prefs.) > > So how do I (as a user) know which resampler is being used? The latest Mac nightly About Audacity > Build Information shows libresample and libsoxr both "enabled". I can't find anything in Prefs where I can choose which one to use. > Thanks, Bill. Problem does not occur on Windows, where it lists all three shows only libsoxr enabled there. I think Gale recently added libsoxr to "About Audacity" > "...based on the following projects", which had "Resample" for libresample (I think) but not anything about libsamplerate, so I've updated that. - V |