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Posted by Rick Merrill on 12/05/06 16:33
blackburst@aol.com wrote:
> Rick Merrill wrote:
>
>>I have a color bars and audio tone program
>>that cycles through several frequencies - how do I use that
>>to set the audio deviation (etc.) on the modulator that
>>goes to the cable TV headend?
>
>
> If I were you, I'd get a stable 1k tone and set the meter just under
> the unity mark, or so that the level LED is just under the point where
> it's lit.
>
> THEN I would run a bunch of program content with varying audio levels:
> quiet, loud, in between, and average the level so that the loudest
> possible sounds just barely touch the unity mark (or just barely
> trigger the LED). If you're not using a compressor just before the
> audio input on the mod, you should.
>
> What manufacturer of mod, Cadco? Who's your carrier, Comcast? They
> should have a field tech who can help.
>
Thanks to all the responders!
Yes, it's a Cadco, and yes, it's Comcast, and yes, they have helpful
field techs - I want to know more about how to DIY as I hesitate to call
them for every little tweak.
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