Virtual idea sounds great with phase check being critical.
For Jim's virtual approach, I would think there should be an effective baseline
phase test one could employ.
Something along the lines of L+R phase test audio ==> virtual summing ==> check
result for phase (something simple & consistent).
I'm envisioning the output could be a simple audio/listen test, and/or output
to a file (.WAV for example), and pull up in Audacity for a visual check?
I'm thinking this already exists...
________________________________
From: Cowboy <[email protected]>
To: [email protected]
Sent: Monday, February 3, 2014 2:10 PM
Subject: Re: [RDD] Rivendell-dev Digest, Vol 10, Issue 1
On Monday 03 February 2014 04:53:55 pm Robert Jeffares wrote:
> I seem to remember some clever 3 resistor arrays that matched the output
> impedance and fed a single channel. Bit of insertion loss but enough
> isolation to avert the electrical problems.
I've got the drawing for a minimum loss mix pad here somewhere.
Might have been the three resistor thing....
Something like a 3db loss, which is less than the combining gain !
It does depend on matched source and load Z, something not
likely to be seen with modern equipment.
Personally, I always liked using a single channel balanced input,
and feeding L+ and R- into to it, to obtain L+R out and let the
differential input do what it does !
--
Cowboy
http://cowboy.cwf1.com
It's not reality or how you perceive things that's important -- it's
what you're taking for it...
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