Ken Hardman wrote:
However, I wish to obtain the very best lossless transfer and am
prepared to have a separate library for Slimserver use.
I note that Apple's lossless format stores the digital data in a file
about 60% of the size of that on the CD. Surely, this is not true
lossless?
Pat Farrell says that all lossless formats are much the same.
Tommypeters suggests using xACT for ripping. joncourage suggests EAC
and mauidj seems to be in the same situation as me, being an Apple
guy.
Why do you think it is not lossless?
The point of compression is to make a file smaller by removing
redundancy. Everyone accepts that Stuffit and PKZip are lossless,
you compress files and then can restore them to the exact bit prefect
data. That is what lossless audio techniques do.
They do it a little differently, as using Stuffit or PKzip on a PCM
(wav) file generally doesn't make it any smaller.
Lossless audio compressions don't get the 10-to-1 compression that
Stuffit or PKzip got for Word documents, or that MP3 does for music.
They typically get 2-to-1, which is right in line with the 60% that you
are reporting. Something between 40% and 60% is normal, depending on the
music files' actual data.
Can anyone finally clarify what the best solution for optimum audio
quality is?
Lossless restores all of the bits in the PCM file. In theory, they are
all identical. Except that some formats are not transmitted to your
SqueezeBox/Transporter compressed, which requires more SlimServer
computer work, takes up additional network bandwidth, allows more
potential for network interference to impact the data stream, etc.
--
Pat
http://www.pfarrell.com/music/slimserver/slimsoftware.html
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