Re: [softrock40] Re: Signal sources for SDR testing and demos
> Hello Ron - A free digital audio editor is "Audacity 1.2.6", I haveAudacity has been around "forever" and is activly being developed by a
> not investigated its functions yet but looks very interesting.
large user comunity. It's multi-platform too.
On top of it's native functions there is a built-in script language
so it has some programmability too. It's not a signal processor
and it can't
turn I and Q samples into audio signals. It is very good at
reading almost any kind of audio file and converting between
the various flavors of audio.
I keep thinking about how a user interface to an SDR should work.
One idea is that an operator should be able to always go back
in time. If I notice a signal but but missed it I should be
able to go back and apply some different filter setting and get
it. Maybe play it back in fast mode. These audio editors also
seems to have filters that are much more sophisticated and complex
than anything ever used inside a ham radio. It's helpful to look
at how these multi track audio editors work.
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