On Mon, 12 Jun 2000, Borsos Laszlo wrote:
Hi,
> >> 3. I don't know if it is much better to have "line out" if I digitize the
> >> material with my SoundBlaster Live. Does it make a big difference if I
> only
> >> use the "Phones" plug to connect to the computer?
> >
> > It depends. There's no actual portable with digital out, but why
> >bother to transfer lectures digitally? If digital transfer is desirable,
> >then you'd better get a second unit, a deck. Preferably Sony, in order to
> >be able to control it via computer (see insflug.org/slink/)
> What I wanted to know here was that some portables have two plugs to give
> out the sound. One is the "line out", which I think is an unamplified
> signal, and the other is phones, which must exists on all - this is
> amplified signal. My question is how much a difference it makes to
> digitalize (i.e. copy to the computer) the sound from the two different
> kinds of signals.
hmmm... As you say, Sharps (and I guess Aiwas) have a dual
phones/line out plug. I haven't tested myself this in digitizing as I use
a seperate deck, but I guess for lectures is more than enough in quality.
Giving an equal power sound signal (which is VAC) what differs
from loading it into phones or a line in is impedance; the higher
impedance that line connections have adapts it for line usage.
A tip for better results: look for a balanced ratio between input
and output devices gain: I mean, don't set the portable volume to 30% and
the line in of the computer to 170%.
Better set the portable to 70-100% and the line in to 50%, the qid is look
for the combination of the two where less amplification, and thus,
distortion (specially on a PC which is a very electrically noisy
environment) is involved.
hope it helps,
*****---(*)---**********************************************---------->
Francisco J. Montilla System & Network admin
[EMAIL PROTECTED] irc: pukka Seville Spain
INSFLUG (LiNUX) Coordinator: www.insflug.org - ftp.insflug.org
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