Re: arsclist VHS and S-VHS Tapes

["joe@xxxxxxxxxxx" <sergei01@xxxxxxxxxxxxx>]

Please give us more info on SHN.

Joe Salerno
Video Works! Is it working for you?
PO Box 273405 - Houston TX 77277-3405
http://joe.salerno.com
joe@xxxxxxxxxxx
----- Original Message -----
From: "Mike Richter" <mrichter@xxxxxxx>
To: <ARSCLIST@xxxxxxxxxxxxxxxx>
Sent: Friday, March 01, 2002 9:30 AM
Subject: RE: arsclist VHS and S-VHS Tapes


> At 11:45 AM 3/1/2002 +0000, Copeland, Peter wrote:
> >    From the point of view of audio (which is what I'm employed to know),
> >both DV and DVCAM both use 16-bit 48kHz, so the audio can be preserved in
> >many ways (but not, unfortunately, on CD-R).
>
> Please permit me to second-guess Peter's exposition. The audio cannot be
> preserved on CD-R in audio form - that is in a way directly playable in a
> conventional CD player. However, I would not recommend that form to begin
> with. It is convenient for playback, but is terrible for archiving.
>
> The audio can be captured from your source in digital form - no analogue
> conversion at all - and saved as WAV (PC) or AIFF (Mac) files. Those files
> can then be saved *as data* onto CD-R. Because they are data files, not
> CD-DA (Compact Disc - Digital Audio), they have an extra layer of error
> correction. Recorded on good media with appropriate safeguards, they are
> reliable for archival purposes. The operations are straightforward and
both
> hardware and media are inexpensive; however, you will need a reasonable
> capable person (high-school graduate level) to do the work.
>
> There are other advantages to this approach for storage. For example, if
> the source is not in stereo, the files can be monaural, doubling the
> storage capacity. Regardless, there are lossless compression schemes - SHN
> and APE are the most common - which reduce storage by 30-50%. Thus, one
can
> expect to save up to three hours of audio on a disc costing less than half
> a dollar; making two copies for safety would then require less than a
> dollar and take perhaps fifteen minutes for a technician using a computer
> priced well under $1000.
>
> Mike
>
> mrichter@xxxxxxx
> http://www.mrichter.com/
>
>
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>


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