[LAU] hdsp, mpd and lyrcing

Andrew Gaydenko a at gaydenko.com
Sat Apr 11 13:07:00 EDT 2009


On Saturday 11 April 2009 20:53:08 you wrote:
> Andrew,
>
> > To have some reserve in volume I set amplifier's volume regulator higher
> > than, say, is needed at current moment. As a result I have software level
> > noticeably below 100%. I suppose such software volume regulating eats
> > samples resolution (and, at least theoretically, sometimes I have, say,
> > 12-13 bits rather 16).
>
> If you use the hdsp's matrix mixer, it will render the volume with
> higher precision than 16 bits, so play back unattenuated and control the
> output level in the matrix mixer.

How to deal with the mixer (output channels) via CLI?

> BTW: The levels the HDSP outputs are NOT HIFI levels. Don't connect it
> to HIFI equipment unless you're sure what you do.

[OT] As far as I have designed and soldered the amplifier, I'm sure ;-)
http://gaydenko.com/audio/ab-dynamic/schematics55.png 
As well as loudspeakers http://gaydenko.com/audio/speakers/pic/all02.jpg


Andrew





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