🚀 go-pugleaf

In another list, I've been taking part in a discussion which has
shown that some IBM laptops have a mono 'mic in' socket that
magically turns into a stereo line in socket when one enables the
Windows mixer's 'line in' channel on record. This doesn't apply on
the current X-range, which have a 'line in' jack hidden round the
back.

FWIW, I've tried this on my (dreadful) Sony laptop and it doesn't
work there. Since purchasing this Sony 'multimedia' machine, I've
bought 2 other machines - making sure that both (Acer and Asus)
had line in sockets and a knob for a volume control.

Another thing to watch out for is that laptop mic input sockets
are wired as mono jacks (tip and sleeve), whereas, for example,
minidisk microphone jacks are wired as stereo (tip and shorter
sleeve + ring and shorter sleeve). This makes the lead from, say,
a mono mic look the same, but be wired differently. What a mess it
all is!

Bill

Michael Warner <mvw@ozemail.com.au> wrote in message
news:5363cu0oo8bda21svg9l4gn2np05bc2l4d@4ax.com...
> On Sat, 20 Apr 2002 10:06:02 -0400, "David Evennou"
> <dae@data-masters.com> wrote:
>
> >I have a "Line Out" from a mixer that I want to record from. HP
> >said to use the "Mic" input. I tried that, but the impedance
mismatch is so
> >great that it won't work. After all, a "Line Out" generates
something like
> >one volt output signal and a microphone does not generate a
voltage.
>
> It does, but a much smaller one, typically 10mV.
>
> >I can't imagine a company like HP telling me to try the "mic"
input for a "Line"
> >signal.
>
> It might work for a signal that can be turned down to a very low
> level, though. BTW, mic inputs are usually mono, while line
inputs are
> stereo.
>
> What you need to do is put a resistive divider between the line
signal
> and the mike to reduce the level. If you can't find someone able
to do
> it for you, let me know and I'll describe it in detail.