[LAU] speaker frequency response measurement and display

[Will Godfrey]

On Fri, 24 Jun 2016 16:06:54 +0100
james <james at mansionfamily.plus.com> wrote:

> On 24/06/2016 14:38, Chris Caudle wrote:
> > On Fri, June 24, 2016 6:33 am, Michael Jarosch wrote:  
> >> >As long as I know, the tools you mentioned are not made for my purposes
> >> >as the room is explicitly included in the measurement, because in the
> >> >end speaker AND room is what to be linearized, frequency wise. I need
> >> >something different: The speaker itself, in the best case without the
> >> >influence of a room surrounded.  
> > The traditional way of doing that is by measuring outdoors in a field.
> > You still get a reflection from the ground even if there are no trees or
> > fences nearby, so you either try to minimize that by placing the
> > microphone very close to the ground, or place both speaker and microphone
> > on a stand a meter or two tall so that the ground reflection is attenuated
> > a little.
> >
> > -- Chris Caudle  
> Or you can put the speaker on (or in) the ground pointing up, and 
> suspend the microphone.

I don't think that's right, as surely the ground would then act as an extended
baffle.

-- 
Will J Godfrey
http://www.musically.me.uk
Say you have a poem and I have a tune.
Exchange them and we can both have a poem, a tune, and a song.