[LAU] ambisonics: fons ambdec and muse.demon.co.uk ambidec

Arnold Krille arnold at arnoldarts.de
Sat Jan 8 01:14:58 UTC 2011


On Saturday 08 January 2011 01:39:17 Jörn Nettingsmeier wrote:
> On 01/07/2011 12:58 PM, fons at kokkinizita.net wrote:
> > I'm pretty sure that uncompensated NF effects in reproduction
> > systems are partly to blame for the 'you can't hear the direction
> > of LF sources' myth.

I am wondering whether my drc already did the near-field compensation for my 
normal speakers when the measuring microphone was at the listening position.

> interesting hypothesis.
> 
> i guess the myth is more correctly formulated as "you can't localize
> anything except some select and very obvious mid-frequency cues in AB
> stereo". of course, bose and friends would jump on this to sell
> ridiculously small satellites with woofers going up to 300 hz :)

As long as it has an ipod docking station, people will pay obscene amount of 
money for it...

Maybe another source for this myth is that really low frequencies tend to 
couple from the woofer to the floor to the walls resulting in bass coming from 
all around you. Next time I do plating on one of my walls I will mount a 
speakers coil and stator behind it and leave the cable outside. 8-D

Have fun,

Arnold
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