[Ti] sound-line in

Jerry Krinock dearjerry at mindspring.com
Fri Oct 17 20:06:05 PDT 2003

on 03/10/17 15:37, T Molnar at tam at em.ca wrote:

I bought my tibook used without a manual, but since no one replied I'll give
this a shot.  Someone correct me if I'm wrong....

In the audio business, there is "mic level", which is very low, several
millivolts, and "line level", which is much higher, several hundred
millivolts.  I believe that the line input on a to bit is "line level",
which means it won't work with your microphone.  It's also a 3-conductor
stereo jack, which your mic is probably 2-conductor monaural.

You need a preamplifier to boost up the level etc., or more practically, an
external A/D converter which will handle either mic or line level, such as
the Griffin iMic (which is not a microphone, but that's another issue).  It
has a switch on it to select "mic level" or "line level".

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