Re: [Mixxx-devel] artifacts with pitch-independent stretching?

[Russell R. <rryan@MIT.EDU>]

Resurrecting this thread...

Owen -- could you try out rubberband
(http://www.breakfastquay.com/rubberband/) ? There's a command line
utility that uses the library you can download and try on your sample.
Let us know how it sounds (re the artifacts you were getting with
soundtouch). We'e considering giving rubberband a shot in Mixxx.

With respect to your tweaks to SoundTouch's constants -- that might be a
good idea. SoundTouch is designed to work with a wide variety of music,
while we are more focused on electronic music. I've always wanted to
gather a representative corpus of music files that we expect people to
be mixing so that we can run through it to either quantitatively or
qualitatively make sound quality decisions like this one.

Thanks!
RJ

Owen Williams wrote:
>> Some artifacts are inevitable when using PITS. I very rarely enable
>> Master Tempo on the CDJ because the ultimate quality of the output is
>> reduced by the very nature of how it works. Short hits such as hats
>> and kicks are most vulnerable to being squashed or emasculated by it.
>> I've actually been quite impressed by how well PITS works in
>> mixxx/soundtouch, but I would still tend to have it disabled by
>> default especially in a club environment where any inconsistent
>> squashing of kicks will be very noticeable. Would be nice if it could
>> be enabled per-player, during use, via a button on the GUI, rather
>> than being a global option.
>>
>> Ben
>>     
>
> I don't know if the artifacts are "inevitable."  Do the same problems
> exist with Traktor and Abelton?  And, given that my limited tweaking as
> improved the sound quality markedly already, I think it's a solvable
> problem.  At least, I don't think we should just give up and decide that
> PITS will never work.
>
> owen
>
>
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