A brief description is that I really want to create a VSB signal where the information is the same on both sides and must be in sync. The technical answer is much more complex.. I do not see a user interface issue, just another mode button on the GUI. Then the left sound card input is lower sideband and the right is upper or a stereo wave file would contain upper and lower sideband in the left and right audio channels.
> > > Leif Asbrink wrote: > >> On Sat, 17 Oct 2009 21:18:29 -0000 >> "rameuser" <[email protected]> wrote: >> >> >> >>> The problem is that there is no software for this function. The flex >>> radio people have it on a to do list. There is a basic SSB generator >>> that can be run in two instances which will serve many peoples needs >>> such as SSTV on one sideband and voice on the other. This does not >>> suit my needs because the two separate SSB programs will not run in >>> perfect sync. >> >> >> Maybe you clould describe your needs for "perfect sync" in >> an ISB signal. What do you want to achieve? >> >> With truly independent sidebands there is no phase relation >> between upper and lower sidebands so they do not require exactly >> the same carrier frequency. Only that the two carrier frequencies >> are close enough. >> >> >>> I do not see it adding much CPU load on any modern PC as it only >>> requires an extra hilbert transform and a mixer. >>> >> >> The problem is the user interface. What is it you want to >> do that would require ISB. >> >> >> >>> As for receiving hardware, almost any transceiver with a second >>> receiver can receive ISB. It would be nice to see it added to some >>> SDR package that supports transmission. >>> >> >> Well, with a second receiver one can receive a second independent >> channel. You say you want a special case. Why? >> >> 73 >> >> Leif / SM5BSZ >> >> >> >> > >
