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Thursday, May 12, 2011

[SurroundSound] Re: Chicago Transit Authority - Quad DVD release ...

Nope, not missing the point. FLAC as a means of archival is becoming
the de facto standard and doesn't have to be used only for lossless
wav files.

Having my audio files in FLAC format that allows tagging, imbedded
artwork, can be streamed using my Oppo (hardware decoded) or my HTPC
using foobar, and is roughly 40% smaller in size than the original
file depending on the amount of compression used without loss of
quality, makes perfect sense.


On May 12, 4:43 pm, Chris Lueders <c16ch...@googlemail.com> wrote:
> On May 12, 7:35 pm, scolumbo <sacolu...@gmail.com> wrote:
>
> > My understanding of the FLAC format is there is no transcoding being
> > done at all.  FLAC is a codec that uses a lossless algorithm to
> > compress a file and with the appropriate decoder is then decompressed
> > to an original identical copy of the audio data. If  the file is a DTS
> > (lossy) file, compressing and decompressing the file should have no
> > affect on the quality of the original file. FLAC is a container format
> > that merely makes the file size smaller (losslessly), no different
> > than zipping a file would.  http://en.wikipedia.org/wiki/Flac
>
> You're missing the point here. Of course the data is not changed, but
> you're passing off a lossy rip as lossless because FLAC is primarily a
> lossless codec (not a container in the sense that WAV is) and is thus
> traditionally used to losslessly archive CD format or better, not
> lossy sources. What you're suggesting is the same as if you would
> transcode an MP3 to WAV. Sure, WAV is just a container and may contain
> any kind of sound data. But does it make sense? No. Btw, dts is
> already inside a wav container most of the time, so just rename it to
> xy.dts.wav if you must.
>
> Besides, the space gain is little and you lose the ability to hardware
> decode the DTS stream AFAIK when you stream from FLAC to a receiver.

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