DAT-heads Digest #54
Contents:
dat > PC (Randy Vogel)
Re: DAT -> PC (flac/wav) Migration? ("Slipkid")
dat>pc for mac? (Mike Parker)
Soundscards are okay ("Gary Davis")
Re: DAT -> PC (flac/wav) Migration? (Michael Hackett)
From: Randy Vogel <randy@funfolks.net>
Subject: dat > PC
Date: Thu, 25 Jan 2007 12:00:22 -0800
if your soundcard accepts a digital input without resampling (not likely
to be quoted in the specs, but important!), then you can connect the
digital out from your DAT directly to the soundcard, and use whatever
software you like to record the incoming signal (audacity is a free,
open-source option).
no need to try and dig up an SCSI DAT drive and then work with old,
line-command software unless you feel more comfortable going that route.
From: "Slipkid" <slipkid@voicenet.com>
Subject: Re: DAT -> PC (flac/wav) Migration?
Reply-To: "Slipkid" <slipkid@voicenet.com>
Date: Thu, 25 Jan 2007 16:11:41 -0500
Wes wrote:
> Your plan to simply play the dats and record them using a sound card will
> work and will be the least expensive option, but you will impair the
> quality of the audio due to the digital-->audio and audio-->digital
> conversions.
as long as he uses a bit perfect Digital I/O card and transfers the data
via the DAT deck's digital interface there will be no "digital--audio" or
"audio-digital" conversion (but by "audio" i think we mean to say "analog")
with a bit perfect DIO the data will be transferred exactly as it is on the
DAT (assuming no errors on playback or anything else freaky going on)
the big question is whether the m-audio USB external soundcard he
mentioned for doing the transfers will work as bit perfect or not (??)
from research i did a few years back it seemed that with devices using USB
that the USB bus itself was a limiting factor & not capable of doing bit
perfect transfers, or many (all?) of the USB based devices were not bit
perfect by design (IE: they did unwanted resampling or dithering down)
sorry but i can't remember the details though - there should be threads here
in the archives about some USB based DIOs & various possible gotchas
hope this helps,
- jon -
From: Mike Parker <mikeparker5@yahoo.com>
Subject: dat>pc for mac?
Date: Thu, 25 Jan 2007 17:52:28 -0800 (PST)
Is there software available to make one of these
Seagate dat drives work on a Macintosh (10.3.9)?
thanks,
Mike
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From: "Gary Davis" <g@hoxnet.com>
Subject: Soundscards are okay
Reply-to: g@hoxnet.com
Date: Thu, 25 Jan 2007 18:23:08 -0800
>Your plan to simply play the dats and record them using a sound
>card will work and will be the least expensive option, but you will
>impair the quality of the audio due to the digital-->audio and audio-
>->digital conversions.
As long as the soundcard has a digital input, and isn't one of these
cheap "Soundblaster" cards that resamples the digital input, you
can, in fact, make a lossless copy from DAT>CPU with a sound
card. The advantage is you have your DAT machine's error
correction working on the tape (may or may not be better than
using a computer dat drive), and the big advantage is you get to
listen to the music while you're dubbing. The main drawback is,
you can only dub in realtime (1x speed) by this procedure, and of
course, you'll need a working DAT player to play the tape!
--Gary
From: Michael Hackett <michael.hackett@ns.sympatico.ca>
Subject: Re: DAT -> PC (flac/wav) Migration?
Date: Fri, 26 Jan 2007 00:07:40 -0400
On Thu, 25 Jan 07 11:50:01 EST
Wes Wagnon <weswag@ix.netcom.com> wrote:
> Your plan to simply play the dats and record them using a sound card
> will work and will be the least expensive option, but you will impair
> the quality of the audio due to the digital-->audio and audio-->digital
> conversions.
The M-Audio Audiophile unit that BJr intends to use has a digital
S/PDIF input (which reportedly does *not* resample), so there won't be
a quality loss. And I would think that the error-concealment
capabilities (when an error cannot be corrected) of the pro audio deck
might be better than that of a DDS drive that would typically just punt
on an error.
But I'm just guessing, as I've not tried the latter method. All my
transfers I've done via S/PDIF (with an Audiowerk card; I haven't tried
it with the Audiophile yet), and I usually do them each at least twice
and compare the audio files for any mismatches. For a large number of
transfers, I would probably either automate this comparison step or use
a DDS drive and DAT2WAV or something similar. Once you got everything
set up, the DDS drive method would probably require less manual effort
for each tape.
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