rely on it for important production work while the dust settles.
</p>
<p>
- <dfn>VBAP</dfn> is short for <em>Vector-base Amplitude Panning</em>,
- a versatile and
- straightforward method to pan a source around on an arbitrary number
- of speakers on a horizontal polygon or a 3D surface, even if the speaker
- layout is highly irregular.
+ <dfn><abbr title="Vector-base Amplitude Panning">VBAP</abbr></dfn>
+ is a versatile and straightforward method to pan a source around over an
+ arbitrary number of speakers on a horizontal polygon or a 3D surface,
+ even if the speaker layout is highly irregular.
</p>
<h2>Basic concepts</h2>
above.
</p>
<p>
- A horizontal VBAP panner has one parameter, the <dfn>azimuth
- angle</dfn>. A 3D panner offers an additional <dfn>elevation
- angle</dfn> control.
+ A <dfn>horizontal</dfn> VBAP panner has one parameter, the <dfn>azimuth
+ angle</dfn>. A <dfn>full-sphere</dfn> panner offers an additional
+ <dfn>elevation angle</dfn> control.
</p>
<p class="note">
More elaborate implementations of VBAP also include a