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Archived from groups: rec.audio.pro,sci.electronics.design,sci.med (More info?)
In article <0alq0115bdj2674s2tnrn4cg43bshqngnf@4ax.com>,
jfields@austininstruments.com says...
> >I can also hear LCD screens, but that's at a lower pitch, I think, and
> >they are much quieter. I first noticed it when I was in a nature park.
> >It was very quiet outside, so as I raised my digital camera up to take
> >a picture, I could distinctly hear the LCD screen.
>
> ---
> you may have crosstalk between your vision and auditory systems.
You are probably hearing the backlight of the LCD. Some of them can be
quite loud. Now that digital watches always use Indiglo backlights, I
can hear them, and I actually had to get rid of a caller ID unit that
lit up every day at 2am because the phone company reset the line. It
kept waking me up.
--
Jay Levitt |
Wellesley, MA | Hi!
Faster: jay at jay dot eff-em | Where are we going?
http/www.jay.fm | Why am I in this handbasket?
In article <0alq0115bdj2674s2tnrn4cg43bshqngnf@4ax.com>,
jfields@austininstruments.com says...
> >I can also hear LCD screens, but that's at a lower pitch, I think, and
> >they are much quieter. I first noticed it when I was in a nature park.
> >It was very quiet outside, so as I raised my digital camera up to take
> >a picture, I could distinctly hear the LCD screen.
>
> ---
> you may have crosstalk between your vision and auditory systems.
You are probably hearing the backlight of the LCD. Some of them can be
quite loud. Now that digital watches always use Indiglo backlights, I
can hear them, and I actually had to get rid of a caller ID unit that
lit up every day at 2am because the phone company reset the line. It
kept waking me up.
--
Jay Levitt |
Wellesley, MA | Hi!
Faster: jay at jay dot eff-em | Where are we going?
http/www.jay.fm | Why am I in this handbasket?