SingleRoomMIMOSRIR: Difference between revisions

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This conventions defines SRIRs measured with a compact listener containing an arbitrary number of receivers (R>1, such as a compact microphone array) and a compact source containing an arbitrary number of emitters (E>1, such as a multi-emitter loudspeaker) for multiple positions and/or orientations of the listener and/or source, in a single room.
This conventions defines SRIRs measured with a compact listener containing an arbitrary number of receivers (R>1, such as a compact microphone array) and a compact source containing an arbitrary number of emitters (E>1, such as a multi-emitter loudspeaker) for multiple positions and/or orientations of the listener and/or source, in a single room.


The conventions is defined in AES69-2020 (SOFA 2.0).
The conventions is defined in AES69-2022 (SOFA 2.1).


{| border="1"
{| border="1"
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|GLOBAL:Conventions||<nowiki>SOFA</nowiki>||rm||||attribute||
|GLOBAL:Conventions||<nowiki>SOFA</nowiki>||rm||||attribute||
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|GLOBAL:Version||<nowiki>2.0</nowiki>||rm||||attribute||
|GLOBAL:Version||<nowiki>2.1</nowiki>||rm||||attribute||
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|GLOBAL:SOFAConventions||<nowiki>SingleRoomMIMOSRIR</nowiki>||rm||||attribute||Single-room multiple-input multiple-output spatial room impulse responses, depending on Emitters
|GLOBAL:SOFAConventions||<nowiki>SingleRoomMIMOSRIR</nowiki>||rm||||attribute||Single-room multiple-input multiple-output spatial room impulse responses, depending on Emitters
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|GLOBAL:Comment||<nowiki></nowiki>||||||attribute||
|GLOBAL:Comment||<nowiki></nowiki>||||||attribute||
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|GLOBAL:RoomDescription||<nowiki></nowiki>||||||attribute||narrative description of the room
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|GLOBAL:History||<nowiki></nowiki>||||||attribute||
|GLOBAL:History||<nowiki></nowiki>||||||attribute||
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|GLOBAL:Origin||<nowiki></nowiki>||||||attribute||
|GLOBAL:Origin||<nowiki></nowiki>||||||attribute||
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|GLOBAL:DatabaseName||<nowiki></nowiki>||m||||attribute||Name of the database. Used for classification of the data.
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|GLOBAL:RoomShortName||<nowiki></nowiki>||||||attribute||Short name of the Room
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|GLOBAL:RoomDescription||<nowiki></nowiki>||||||attribute||Informal verbal description of the room
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|GLOBAL:RoomLocation||<nowiki></nowiki>||||||attribute||Location of the room
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|GLOBAL:RoomGeometry||<nowiki></nowiki>||||||attribute||URI to a file describing the room geometry.
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|RoomTemperature||<nowiki>0</nowiki>||||I, M||double||Temperature during measurements, given in Kelvin.
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|RoomTemperature:Units||<nowiki>kelvin</nowiki>||||||attribute||Units of the room temperature
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|RoomVolume||<nowiki>0</nowiki>||||I, MI||double||Volume of the room
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|RoomVolume:Units||<nowiki>cubic metre</nowiki>||||||attribute||Units of the room volume
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|RoomCornerA||<nowiki>[0 0 0]</nowiki>||||IC, MC||double||
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|RoomCornerB||<nowiki>[1 2 3]</nowiki>||||IC, MC||double||
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|RoomCorners||<nowiki>0</nowiki>||||II||double||The value of this attribute is to be ignored. It only exist to for RoomCorners:Type and RoomCorners:Units
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|RoomCorners:Type||<nowiki>cartesian</nowiki>||||||attribute||
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|RoomCorners:Units||<nowiki>metre</nowiki>||||||attribute||
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|GLOBAL:ListenerShortName||<nowiki></nowiki>||||||attribute||
|GLOBAL:ListenerShortName||<nowiki></nowiki>||||||attribute||
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|GLOBAL:ReceiverDescription||<nowiki></nowiki>||||||attribute||
|GLOBAL:ReceiverDescription||<nowiki></nowiki>||||||attribute||
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|ReceiverDescriptions||<nowiki>{''}</nowiki>||||RS, RSM||string||R-dependent version of the attribute ReceiverDescription
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|ReceiverPosition||<nowiki>[0 0 0]</nowiki>||m||IC, RCI, RCM||double||
|ReceiverPosition||<nowiki>[0 0 0]</nowiki>||m||IC, RCI, RCM||double||
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|GLOBAL:EmitterDescription||<nowiki></nowiki>||||||attribute||
|GLOBAL:EmitterDescription||<nowiki></nowiki>||||||attribute||
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|EmitterDescriptions||<nowiki>{''}</nowiki>||||ES, ESM||string||E-dependent version of the attribute EmitterDescription
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|EmitterPosition||<nowiki>[0 0 0]</nowiki>||m||IC, ECI, ECM||double||Can be of any type enabling both spatially discrete and spatially continuous representations.
|EmitterPosition||<nowiki>[0 0 0]</nowiki>||m||IC, ECI, ECM||double||Can be of any type enabling both spatially discrete and spatially continuous representations.
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|Data.Delay||<nowiki>0</nowiki>||m||IRI, MRI, MRE||double||Additional delay of each IR (in samples)
|Data.Delay||<nowiki>0</nowiki>||m||IRI, MRI, MRE||double||Additional delay of each IR (in samples)
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|RoomCornerA||<nowiki>[0 0 0]</nowiki>||m||IC, MC||double||
|MeasurementDate||<nowiki>0</nowiki>||||M||double||Optional M-dependent date and time of the measurement.
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|RoomCornerB||<nowiki>[1 2 3]</nowiki>||m||IC, MC||double||
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|RoomCorners||<nowiki>0</nowiki>||||II||double||The value of this attribute is to be ignored. It only exist to for RoomCorners:Type and RoomCorners:Units
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|RoomCorners:Type||<nowiki>cartesian</nowiki>||m||||attribute||
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|RoomCorners:Units||<nowiki>metre</nowiki>||m||||attribute||
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|-
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|GLOBAL:DatabaseName||<nowiki></nowiki>||m||||attribute||Name of the database. Used for classification of the data.
|}
|}

Revision as of 12:27, 21 October 2022

This conventions defines SRIRs measured with a compact listener containing an arbitrary number of receivers (R>1, such as a compact microphone array) and a compact source containing an arbitrary number of emitters (E>1, such as a multi-emitter loudspeaker) for multiple positions and/or orientations of the listener and/or source, in a single room.

The conventions is defined in AES69-2022 (SOFA 2.1).

Name Default Flags Dimensions Type Comment
GLOBAL:Conventions SOFA rm attribute
GLOBAL:Version 2.1 rm attribute
GLOBAL:SOFAConventions SingleRoomMIMOSRIR rm attribute Single-room multiple-input multiple-output spatial room impulse responses, depending on Emitters
GLOBAL:SOFAConventionsVersion 1.0 rm attribute
GLOBAL:DataType FIR-E rm attribute Shall be FIR-E
GLOBAL:RoomType shoebox m attribute Shall be 'shoebox' or 'dae'
GLOBAL:Title m attribute
GLOBAL:DateCreated m attribute
GLOBAL:DateModified m attribute
GLOBAL:APIName rm attribute
GLOBAL:APIVersion rm attribute
GLOBAL:AuthorContact m attribute
GLOBAL:Organization m attribute
GLOBAL:License No license provided, ask the author for permission m attribute
GLOBAL:ApplicationName attribute
GLOBAL:ApplicationVersion attribute
GLOBAL:Comment attribute
GLOBAL:History attribute
GLOBAL:References attribute
GLOBAL:Origin attribute
GLOBAL:DatabaseName m attribute Name of the database. Used for classification of the data.
GLOBAL:RoomShortName attribute Short name of the Room
GLOBAL:RoomDescription attribute Informal verbal description of the room
GLOBAL:RoomLocation attribute Location of the room
GLOBAL:RoomGeometry attribute URI to a file describing the room geometry.
RoomTemperature 0 I, M double Temperature during measurements, given in Kelvin.
RoomTemperature:Units kelvin attribute Units of the room temperature
RoomVolume 0 I, MI double Volume of the room
RoomVolume:Units cubic metre attribute Units of the room volume
RoomCornerA [0 0 0] IC, MC double
RoomCornerB [1 2 3] IC, MC double
RoomCorners 0 II double The value of this attribute is to be ignored. It only exist to for RoomCorners:Type and RoomCorners:Units
RoomCorners:Type cartesian attribute
RoomCorners:Units metre attribute
GLOBAL:ListenerShortName attribute
GLOBAL:ListenerDescription attribute
ListenerPosition [0 0 0] m MC double
ListenerPosition:Type cartesian m attribute
ListenerPosition:Units metre m attribute
ListenerView [1 0 0] m IC, MC double
ListenerUp [0 0 1] m IC, MC double
ListenerView:Type cartesian m attribute
ListenerView:Units metre m attribute
GLOBAL:ReceiverShortName attribute
GLOBAL:ReceiverDescription attribute
ReceiverDescriptions {''} RS, RSM string R-dependent version of the attribute ReceiverDescription
ReceiverPosition [0 0 0] m IC, RCI, RCM double
ReceiverPosition:Type spherical m attribute Can be of any type enabling both spatially discrete and spatially continuous representations.
ReceiverPosition:Units degree, degree, metre m attribute
ReceiverView [1 0 0] RCI, RCM double
ReceiverUp [0 0 1] RCI, RCM double
ReceiverView:Type cartesian attribute
ReceiverView:Units metre attribute
GLOBAL:SourceShortName attribute
GLOBAL:SourceDescription attribute
SourcePosition [0 0 1] m MC double
SourcePosition:Type cartesian m attribute
SourcePosition:Units metre m attribute
SourceView [1 0 0] m IC, MC double
SourceUp [0 0 1] m IC, MC double
SourceView:Type cartesian m attribute
SourceView:Units metre m attribute
GLOBAL:EmitterShortName attribute
GLOBAL:EmitterDescription attribute
EmitterDescriptions {''} ES, ESM string E-dependent version of the attribute EmitterDescription
EmitterPosition [0 0 0] m IC, ECI, ECM double Can be of any type enabling both spatially discrete and spatially continuous representations.
EmitterPosition:Type spherical m attribute
EmitterPosition:Units degree, degree, metre m attribute
EmitterView [1 0 0] ECI, ECM double
EmitterUp [0 0 1] ECI, ECM double
EmitterView:Type cartesian attribute
EmitterView:Units metre attribute
Data.IR 0 m mrne double Impulse responses
Data.SamplingRate 48000 m I, M double Sampling rate of the samples in Data.IR and Data.Delay
Data.SamplingRate:Units hertz m attribute Unit of the sampling rate
Data.Delay 0 m IRI, MRI, MRE double Additional delay of each IR (in samples)
MeasurementDate 0 M double Optional M-dependent date and time of the measurement.
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