- Measuring Signal Strength with tuner and software?
- Posted by Jack on December 19th, 2005
Hi. Is it possible to measure an incoming video signal strength with just
an onboard tv tuner (with a connected cable system connection) and
associated software?
Thanks. Jack
- Posted by Gerard Bok on December 19th, 2005
On Mon, 19 Dec 2005 01:03:56 GMT, "Jack" <jacksimpson@telus.net>
wrote:
Is should be. With some minor modification.
The tuner uses a signal (AGC) to adapt it's sensitivity to the
incoming signal strenght. Thus reading the AGC level indicates
the incoming signal level.
It should be possible to use the game I/O to read this signal.
Actually, I am aware of a DIY spectrum meter project that uses
this approach. http://home.planet.nl/~benzandstra/pagina2.html
--
Kind regards,
Gerard Bok
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