Posted by Brian Gregory [UK] on 09/25/07 20:36

"Green Xenon [Radium]" <glucegen1@excite.com> wrote in message
news:46f86fa7$0$9596$4c368faf@roadrunner.com...
> Couldn�t the video signal first be converted to QAM, multiple-level
> quadrature modulation, and/or constellation modulation and then
> transmitted on a FM radio carrier?
>
> AFAIK, the QAM/multiple-level-QM/ constellation-modulation version of the
> video signal won�t require as much bandwidth as the original video signal.
> The original video signal is first converted to bits and symbols and then
> transmitted on an FM radio carrier. To make the best use of bandwidth,
> limit the baud to only 1-symbol-per-second but pack as many
> bits-per-symbol as feasible.

Why?????

Why make it use more bandwidth by introducing totally superfluous FM
modulation??

I'm beginning to think you are a troll.

--

Brian Gregory. (In the UK)
ng@bgdsv.co.uk
To email me remove the letter vee.

• Next in forum: Re: Using an FM-Carrier for the Y [Luminance] Signal -- how to relieve the bandwidth issue?
• Prev in forum: Re: Using an FM-Carrier for the Y [Luminance] Signal -- how to relieve the bandwidth issue?
• Thread view: Re: Using an FM-Carrier for the Y [Luminance] Signal -- how to relieve the bandwidth issue?

[Reply to this message]