Sphere lab technical info - Revision history

Lof: /* Coordinates */

2024-11-27T12:17:32Z

Coordinates

← Older revision		Revision as of 12:17, 27 November 2024
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	* Horizontal <--> Right		* Horizontal <--> Right

	For different coordinate systems see [[Coordinate systems]]		For experiments the speaker positions are specified in Double Polar coordinates (Azimuth, Elevation, Hemisphere), where the hemisphere can be front or back.

			For more information about the different coordinate systems see [[Coordinate systems]]

	==Computer==		==Computer==

2024-11-27T12:13:57Z

Coordinates

← Older revision		Revision as of 12:13, 27 November 2024
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	The orientation of the coordinates is determined by the position of the head of the subject looking to the center speaker. The raw acquisition data of the head coil results in tuples of voltages (Frontal, Vertical, Horizontal)		The orientation of the coordinates is determined by the position of the head of the subject looking to the center speaker. The raw acquisition data of the head coil results in tuples of voltages (Frontal, Vertical, Horizontal)

	The FVH ~~coordinates~~ relate to the medical RAS coordinate (Right, Anterior, Superior) when looking to the center speaker in the following manner:		The FVH coordinate system relate to the medical RAS coordinate system (Right, Anterior, Superior) when looking to the center speaker in the following manner:

	* Frontal <--> Anterior		* Frontal <--> Anterior

2024-11-27T12:12:32Z

Coordinates

← Older revision		Revision as of 12:12, 27 November 2024
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	===Coordinates===		===Coordinates===
	The orientation of the coordinates is determined by the position of the head of the subject looking to the center speaker. The raw acquisition data of the head coil results in tuples of voltages (Frontal, Vertical, Horizontal) ~~which relates~~ to the medical RAS coordinate (Right, Anterior, Superior) when looking to the center speaker.		The orientation of the coordinates is determined by the position of the head of the subject looking to the center speaker. The raw acquisition data of the head coil results in tuples of voltages (Frontal, Vertical, Horizontal)

			The FVH coordinates relate to the medical RAS coordinate (Right, Anterior, Superior) when looking to the center speaker in the following manner:

	* Frontal <--> Anterior		* Frontal <--> Anterior

2024-11-27T12:11:22Z

Coordinates

← Older revision		Revision as of 12:11, 27 November 2024
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	===Coordinates===		===Coordinates===
	The orientation of the coordinates is determined by the position of the head of the subject looking to the center speaker. The raw acquisition data of the head coil results in tuples of voltages (Frontal, Vertical, Horizontal) which ~~correspond~~ to ~~Rostral~~, Anterior, Superior when looking .		The orientation of the coordinates is determined by the position of the head of the subject looking to the center speaker. The raw acquisition data of the head coil results in tuples of voltages (Frontal, Vertical, Horizontal) which relates to the medical RAS coordinate (Right, Anterior, Superior) when looking to the center speaker.

	* Frontal ~~(F) :~~		* Frontal <--> Anterior
	* Vertical ~~(V) :~~		* Vertical <--> Superior
	* Horizontal ~~(H):~~		* Horizontal <--> Right

	For ~~Double Polar coordinates~~ see [[Coordinate systems]]		For different coordinate systems see [[Coordinate systems]]

	==Computer==		==Computer==

2024-11-27T12:07:35Z

Coordinates

← Older revision		Revision as of 12:07, 27 November 2024
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	===Coordinates===		===Coordinates===
	The orientation of the coordinates is determined by the position of the head of the subject looking to the center speaker. The raw acquisition data of the head coil results in tuples of voltages (Frontal, Vertical, Horizontal) which correspond to (X, Y, Z).		The orientation of the coordinates is determined by the position of the head of the subject looking to the center speaker. The raw acquisition data of the head coil results in tuples of voltages (Frontal, Vertical, Horizontal) which correspond to Rostral, Anterior, Superior when looking .

	* Frontal (F) : ~~Front is X+, Back is X-~~		* Frontal (F) :
	* Vertical (V) : ~~Top is Y+, Bottom is Y-~~		* Vertical (V) :
	* Horizontal (H): ~~Right is Z+, Left is Z-~~		* Horizontal (H):

	For Double Polar coordinates see [[Coordinate systems]]		For Double Polar coordinates see [[Coordinate systems]]

2024-11-27T12:03:20Z

Introduction

← Older revision		Revision as of 12:03, 27 November 2024
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	*2018: all original Visaton speakers where replaced by Minx12 speakers		*2018: all original Visaton speakers where replaced by Minx12 speakers
	*2018: Remmel head tracking system replaced by Femto		*2018: Remmel head tracking system replaced by Femto
			*2024: PA5's are not used anymore, scaling in WAV-file

	==Sound booth==		==Sound booth==

2024-11-27T12:02:01Z

Electronics rack

← Older revision		Revision as of 12:02, 27 November 2024
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	\|}		\|}

	* The PA5's are not used anymore. Loudness has to be scaled in the WAV files.		* The PA5's are not used anymore. Loudness has to be scaled in the WAV files.
	** The optibit bus #1 and optibut bus #2 are disconnected.		** The optibit bus #1 and optibut bus #2 are disconnected.

	The next list shows all other electronics in the lower half of the rack from top to bottom.		The next list shows all other electronics in the lower half of the rack from top to bottom.

2024-11-27T12:01:33Z

Electronics rack

← Older revision		Revision as of 12:01, 27 November 2024
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	\|PA5 Attenuator *		\|PA5 Attenuator *
	\|PA5 Attenuator *		\|PA5 Attenuator *
	\|F05 optibit bus #1 *		\|F05 optibit bus #1 **
	\|-		\|-
	\|Zbus *		\|Zbus *
	\|PA5 Attenuator *		\|PA5 Attenuator *
	\|PA5 Attenuator *		\|PA5 Attenuator *
	\|F05 optibit bus #2 *		\|F05 optibit bus #2 **
	\|-		\|-
	\|Zbus		\|Zbus
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	\|F05 optibit bus #4		\|F05 optibit bus #4
	\|}		\|}

			* The PA5's are not used anymore. Loudness has to be scaled in the WAV files.
			** The optibit bus #1 and optibut bus #2 are disconnected.

	The next list shows all other electronics in the lower half of the rack from top to bottom.		The next list shows all other electronics in the lower half of the rack from top to bottom.

2024-11-27T11:59:01Z

Electronics rack

2024-11-27T11:58:27Z

Electronics rack