[Ardour-Users] Experience? Rework an external 44.1 KHz 16 bit recording
ralf.mardorf at alice-dsl.net
Thu Aug 19 08:53:50 PDT 2010
On Thu, 2010-08-19 at 11:25 -0400, Thomas Vecchione wrote:
> On Thu, Aug 19, 2010 at 11:21 AM, Paul Winkler <slinkp at gmail.com> wrote:
> > On Thu, Aug 19, 2010 at 08:28:30AM -0400, Joe Hartley wrote:
> > > On Thu, 19 Aug 2010 13:13:37 +0200
> > > Ralf Mardorf <ralf.mardorf at alice-dsl.net> wrote:
> > > > 1. Did somebody note serious differences for a ripped WAV compared to
> > > > S/PDIF FOC?
> > >
> > > A "ripped" WAV is simply a copy of the binary digits on the CD. Unless there's
> > > a change in format (to MP3, for example), your file will be identical. Any
> > > other method will introduce extra digital->analog and analog->digital
> > > conversions, which can only degrade the signal.
> > S/PDIF transfer is digital, no analog involved.
> > I guess any difference between S/PDIF and ripping a CD would come down
> > to any difference in error correction between the CD player and the
> > ripping program. I don't know anything about that.
> The catch is it was being discussed a SRC to 48kHz, which when you
> have the choice between doing so using whatever chip is onboard a
> cheap piece of equipment, or doing so via libsamplerate it is
> typically a far better idea to use libsamplerate as you will get a
> cleaner conversion in most every case.
Correct, this was one idea, by using the DAT recorder as A/D converter.
But what's about copying from a CD player by S/PDIF? It shouldn't have
loss, but it's often said that there could be loss and I experienced
this a long time ago myself.
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