Re: Stereo > Mono Downmixing on iOS
Re: Stereo > Mono Downmixing on iOS
- Subject: Re: Stereo > Mono Downmixing on iOS
- From: tahome izwah <email@hidden>
- Date: Wed, 06 Apr 2011 09:53:20 +0200
Hi Brian,
> Another factor is that it is entirely possible and well-proven that signals
> below the noise floor can still be discerned by the human hearing system.
That's exactly the information I am looking for, except that you don't
provide a link to any work that would prove or disprove this theory,
either. I'd be curious if this is just a logical conclusion (which
makes total sense to me, no doubt about this) or if it can really be
backed up by a double blind study.
> Thus, if your algorithms are entirely oblivious to what occurs below -100
> dBFS, then there could easily be audible problems.
>
> Since this thread started with stereo-to-mono down-mixing, it's fairly easy
> to say that 32-bit is plenty.
But won't this give rise to exactly the problems (correlated noise)
that you mention above?
--th
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