[linux-audio-user] Linux Audio Human Interface Guidelines, 0.01 (was Re: mouse wheel behavior and RFC: human interface, guidelines)

Paul Winkler pw_lists at slinkp.com
Wed Aug 25 17:52:56 EDT 2004

On Wed, Aug 25, 2004 at 06:02:44AM +0000, philicorda wrote:
> Paul Winkler wrote:
> "I could swear I remember seeing an old tube compressor that
> had a gain reduction meter with "more" to the right, so it
> moved in opposition to the corresponding VU meter.
> No idea what model it was, and this was about 6 years ago
> so I could be mistaken.
> I wonder how consistent this is in the world of hardware?
> maybe I'll pop a question on rec.audio.pro."

btw, i had myself turned around again :-)
If the gain reduction meter is moving in opposition the VU meter,
then "more" gain reduction is to the left, not right.
> I built a tube compressor like that, an Altec436c.
> The 'gain reduction' meter measures the bias current of the vari-mu 
> valve, which is reduced when gain reduction is required.
> The meter goes from right to left. (Any other way would require more 
> circuitry, so I think it may just be a lucky accident.)

ah, that's an interesting point.
> Talking of meters, don't some phase meters often go left *and* right 
> from a centre point to show averaged phase difference between the channels?

think so.


Paul Winkler

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