[linux-audio-user] Behringer BCA 2000 - has anyone tried it ?
Rob Fell
robin.fell at ntlworld.com
Tue Mar 1 16:46:24 EST 2005
Frank Barknecht wrote:
> Why have an endless knob at all if it has ends and thus is not an
> endless knob? You could just as well use the standard knobs which
> stop physically at both ends or use a slider.
A real rotary pot (or slider for that matter) cannot be synchronised to
software automation without the addition of motors - which costs £££.
A rotary encoder (such as is mass produced for CE equipment) is
comparatively cheap: with the addition of software such a rotary
encoder can synchronise to an external device (in this case PD or a DAW)
without the need to adjust the physical fader/knob position.
If you wanted to use sliders/knobs with end-stops, you'd need a
procedure in which the user wiggles the control until it matches the
external device or (as I have seen) coloured lights to tell you how to
move the control to achive synchronisation. Some manufacturers have
decided that this isn't a nice interface.
HTH
Rob
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