Podium 1 (one)
Podium 2 (two)
Podium .5 (dot five)
Podium Sound - Resonance Works
Podium Sound panel loudspeakers do not incorporate the Layered Sound technology. Like conventional cone loudspeakers, they only propagate one of the two naturally occuring sound waves - but it's the missing wave that conventional loudspeakers can't reproduce. Although most mass-market resonating loudspeakers require significant Digital Signal Processing (DSP) to correct their sonic performance, the Podium Sound loudspeakers prove, unequivocally, that resonating loudspeakers can perform as well as conventional ones. Fortunately, Layered Sound doesn't require that kind of performance, but it's nice to know one can get it.
The Psychoacoustics of a Vibrating Panel Loudspeaker
Sound that manifests a low level of binaural correlation makes it difficult or impossible to locate the source of the sound. A vibrating panel loudspeaker can only propagate binaurally de-correlated sound. This is the reason for its remarkable diffusion characeristics. And it is also the reason this kind of loudspeaker does not propagate a classic 'Stereo' sound.
The Halves (and have nots) of Mechanically Reproduced Sound
Pistons and resonating panels.
In response to an electronic signal, a conventional cone loudspeaker moves like a piston, creating coherent compression and rarefaction. This creates the motion of a longitudinal wave in the air.
A resonating loudspeaker (DML) has a vibrating panel at its core. In response to an electronic signal, a transducer that is fixed to the panel, induces transverse waves in the panel, causing the panel to resonate, and then propagate highly diffuse and incoherent air disturbance patterns. In short, loudspeakers with a vibrating element at their core, transmit sound on the basis of transverse waves, not longitudinal waves.
Natural sound has both longitudinal and transverse waves. We believe reproduced sound should too!
It's called: Layered Sound