VBAP for Pure Data or MaxMSP¶

Summary¶

• Description: Vector Base Amplitude Panning for MaxMSP and Pure Data
• Developer: Ville Pulkki
• Platform: MaxMSP, Pure Data
• Version: 1.03 (MaxMSP), 0.99 (Pure Data)
• License:
• needs to be connected to a matrix~ object
• Status of this entry: finished

Parameter definition¶

Coordinate system convention¶

• Spherical Coordinate System, Navigational Style: zero degree to the front

Parameter describing a sound source¶

parameter	description	data format	range	initial state	unit	example	misc
2nd leftmost inlet of vbap	azimuth	int	-∞... ∞	1st argument, otherwise 0	degree	10
3rd leftmost inlet of vbap	elevation	int	-∞... ∞	2nd argument otherwise 0	degree	0
4th leftmost inlet of vbap	spread the sound signal to multiple panning directions	int	0 ... 100	0	percent	100
rightmost inlet of vbap	gain control	float	0 ... 2	1.0	linear	1.0

Parameter describing a virtual space¶

• none

Parameter describing the position of loudspeakers¶

• Loudspeaker layout must either be defined through additional object "define_loudspeakers", or by the message "define_loudspeakers" send to 1st inlet to vbap.
• max number of speakers 55

Defining loudspeaker through message "define_loudspeakers":¶

parameter	description	data format	range	initial state	unit	example	misc
define_loudspeaker 2	angular position data for 2D loudspeaker rig	i i ...		has to be defined before VBAP is used	degree	define_loudspeakers 2 -45 45 -135 135	azi1 azi2 azi3 ...
define_loudspeaker 3	angular position data for 3D loudspeaker rig	i i i ....			degree	define_loudspeakers 3 -30 0 30 0 -90 0 90 0 0 0 -150 0 150 0 180 45 -45 45 45 45	pairs of circular coordinates:azi1 ele1 azi2 ele2 ...

Defining loudspeaker through additional object "define_loudspeakers":¶

parameter	description	data format	range	initial state	unit	example	misc
ls-triplets	to define the triangular selection of loudspeakers	not documented	not documented	not documented	not documented	ls-triplets 1 2 7 2 7 8 1 3 7	for experts only
ls-directions 2	same than define_loudspeakers 2	i i ...			degree	ls-directions 2 -40 0 40 80 130 180 -130 -80	azi1 azi2 azi3 ...
ls-directions 3	same than define_loudspeakers 3	i i i ...			degree	ls-directions 3 -30 0 30 0 -90 0 90 0 0 0 -150 0 150 0 180 45 -45 45 45 45	pairs of circular coordinates:azi1 ele1 azi2 ele2 ...

Projects¶

• many

References¶

• Pulkki, V. (2000). Generic panning tools for MAX/MSP. Proceedings of International Computer Music Conference, pages 304–307. [pdf]
• more references at the main VBAP WIKI page

External Links¶

• Search results for VBAP at www.maxobjects.com
• Workshop for Sound Spatialization with PD], Georg Holzmann

Media¶