[SoX-users] the difference between pan and mixer?

[Dan P. <six...@gm...>]

first off, thanks to developers!!
i've really been enjoying this program a lot.

Question:
pan is deprecated and now mixer performs the functions that pan once
performed. that much i understand.

but i realize i don't exactly understand what's happening in an analog mixer
PAN knob to describe it with 4 numbers rather than 1.

# sox input.wav -c2 output.wav mixer l->l,l->r,r->l,r->r #syntax
#examples
sox input.wav -c2 unchanged.wav mixer 1,0,0,1 # this one i get

but i have some questions about the rest...

#pan full left, need to add gain to balance levels?
sox input.wav -c2 panfullleft.wav mixer 1,0,1,0 # should there be a gain
here?
or
sox input.wav -c2 panfullleft.wav mixer 0.7,0,0.7,0 # or some other number?

so for a partial pan, i will be doing some linear interpolation between
1,0,0,1
and X,0,X,0  where X is maybe 1, or maybe -3db so mono track is balanced in
volume to stereo track?

so left pan of 0.5  is 1-0.5*(1-X),0,0.5(X),1-(0.5)?


boranj,
dan



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