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.


== Version 1.1 ==
The conventions is defined in AES69-2020 (SOFA 2.0).

SingleRoomMIMOSRIR version 1.1 will represent the standardized convention set from AES69-2025.

{| border="1"
!Name
!Default
![[SOFA_conventions#AnchorFlags|Flags]]
![[SOFA_conventions#AnchorDimensions|Dimensions]]
!Type
!Comment
|-
|GLOBAL:Conventions||<nowiki>SOFA</nowiki>||rm||||attribute||
|-
|GLOBAL:Version||<nowiki>2.1</nowiki>||rm||||attribute||
|-
|GLOBAL:SOFAConventions||<nowiki>SingleRoomMIMOSRIR</nowiki>||rm||||attribute||Single-room multiple-input multiple-output spatial room impulse responses, depending on Emitters.
|-
|GLOBAL:SOFAConventionsVersion||<nowiki>1.1</nowiki>||rm||||attribute||
|-
|GLOBAL:DataType||<nowiki>FIR-E</nowiki>||rm||||attribute||Shall be FIR-E.
|-
|GLOBAL:RoomType||<nowiki>shoebox</nowiki>||m||||attribute||Shall be either shoebox or dae.
|-
|GLOBAL:Title||<nowiki></nowiki>||m||||attribute||
|-
|GLOBAL:DateCreated||<nowiki></nowiki>||m||||attribute||
|-
|GLOBAL:DateModified||<nowiki></nowiki>||m||||attribute||
|-
|GLOBAL:APIName||<nowiki></nowiki>||rm||||attribute||
|-
|GLOBAL:APIVersion||<nowiki></nowiki>||rm||||attribute||
|-
|GLOBAL:AuthorContact||<nowiki></nowiki>||m||||attribute||
|-
|GLOBAL:Organization||<nowiki></nowiki>||m||||attribute||
|-
|GLOBAL:License||<nowiki>No license provided, ask the author for permission</nowiki>||m||||attribute||
|-
|GLOBAL:ApplicationName||<nowiki></nowiki>||||||attribute||
|-
|GLOBAL:ApplicationVersion||<nowiki></nowiki>||||||attribute||
|-
|GLOBAL:Comment||<nowiki></nowiki>||||||attribute||
|-
|GLOBAL:History||<nowiki></nowiki>||||||attribute||
|-
|GLOBAL:References||<nowiki></nowiki>||||||attribute||
|-
|GLOBAL:Origin||<nowiki></nowiki>||||||attribute||
|-
|GLOBAL:DatabaseName||<nowiki></nowiki>||m||||attribute||Unique name of the database. Used for classification of the data.
|-
|GLOBAL:RoomShortName||<nowiki></nowiki>||||||attribute||Short name of the Room.
|-
|GLOBAL:RoomDescription||<nowiki></nowiki>||||||attribute||Informal narrative description of the room.
|-
|GLOBAL:RoomLocation||<nowiki></nowiki>||||||attribute||Location of the room.
|-
|GLOBAL:RoomGeometry||<nowiki></nowiki>||||||attribute||URI to a file describing the room geometry.
|-
|RoomTemperature||<nowiki>0</nowiki>||||I, M||double||Temperature during measurements.
|-
|RoomTemperature:Units||<nowiki>kelvin</nowiki>||||||attribute||Units of the room temperature.
|-
|RoomVolume||<nowiki>0</nowiki>||||II, MI||double||Volume of the room.
|-
|RoomVolume:Units||<nowiki>cubic metre</nowiki>||||||attribute||Units of the room volume.
|-
|RoomCornerA||<nowiki>[0 0 0]</nowiki>||||IC, MC||double||
|-
|RoomCornerB||<nowiki>[1 2 3]</nowiki>||||IC, MC||double||
|-
|RoomCorners||<nowiki>0</nowiki>||||II||double||This variable is used to provide attributes RoomCorners:Type and RoomCorners:Units. Its value can be ignored.
|-
|RoomCorners:Type||<nowiki>cartesian</nowiki>||||||attribute||
|-
|RoomCorners:Units||<nowiki>metre</nowiki>||||||attribute||
|-
|GLOBAL:ListenerShortName||<nowiki></nowiki>||||||attribute||
|-
|GLOBAL:ListenerDescription||<nowiki></nowiki>||||||attribute||
|-
|ListenerPosition||<nowiki>[0 0 0] </nowiki>||m||MC||double||
|-
|ListenerPosition:Type||<nowiki>cartesian</nowiki>||m||||attribute||
|-
|ListenerPosition:Units||<nowiki>metre</nowiki>||m||||attribute||
|-
|ListenerView||<nowiki>[1 0 0]</nowiki>||m||IC, MC||double||
|-
|ListenerUp||<nowiki>[0 0 1]</nowiki>||m||IC, MC||double||
|-
|ListenerView:Type||<nowiki>cartesian</nowiki>||m||||attribute||
|-
|ListenerView:Units||<nowiki>metre</nowiki>||m||||attribute||
|-
|GLOBAL:ReceiverShortName||<nowiki></nowiki>||||||attribute||
|-
|GLOBAL:ReceiverDescription||<nowiki></nowiki>||||||attribute||
|-
|ReceiverDescriptions||<nowiki>{''}</nowiki>||||MSI, RSI, MRS||string||M- and/or R-dependent versions of ReceiverDescription with specific descriptions of the receivers.
|-
|ReceiverPosition||<nowiki>[0 0 0]</nowiki>||m||ICI, RCI, RCM||double||
|-
|ReceiverPosition:Type||<nowiki>spherical</nowiki>||m||||attribute||Can be ‘cartesian’, ‘spherical’, or ‘spherical harmonics’.
|-
|ReceiverPosition:Units||<nowiki>degree, degree, metre</nowiki>||m||||attribute||
|-
|ReceiverView||<nowiki>[1 0 0]</nowiki>||||RCI, RCM||double||
|-
|ReceiverUp||<nowiki>[0 0 1]</nowiki>||||RCI, RCM||double||
|-
|ReceiverView:Type||<nowiki>cartesian</nowiki>||||||attribute||
|-
|ReceiverView:Units||<nowiki>metre</nowiki>||||||attribute||
|-
|GLOBAL:SourceShortName||<nowiki></nowiki>||||||attribute||
|-
|GLOBAL:SourceDescription||<nowiki></nowiki>||||||attribute||
|-
|SourcePosition||<nowiki>[0 0 1]</nowiki>||m||MC||double||
|-
|SourcePosition:Type||<nowiki>cartesian</nowiki>||m||||attribute||
|-
|SourcePosition:Units||<nowiki>metre</nowiki>||m||||attribute||
|-
|SourceView||<nowiki>[1 0 0]</nowiki>||m||IC, MC||double||
|-
|SourceUp||<nowiki>[0 0 1]</nowiki>||m||IC, MC||double||
|-
|SourceView:Type||<nowiki>cartesian</nowiki>||m||||attribute||
|-
|SourceView:Units||<nowiki>metre</nowiki>||m||||attribute||
|-
|GLOBAL:EmitterShortName||<nowiki></nowiki>||||||attribute||
|-
|GLOBAL:EmitterDescription||<nowiki></nowiki>||||||attribute||
|-
|EmitterDescriptions||<nowiki>{''}</nowiki>||||MSI, ESI, MES||string||M- and/or E-dependent version of EmitterDescription with specific descriptions of the emitters.
|-
|EmitterPosition||<nowiki>[0 0 0]</nowiki>||m||ICI, ECI, ECM||double||
|-
|EmitterPosition:Type||<nowiki>spherical</nowiki>||m||||attribute||Can be ‘cartesian’, ‘spherical’, or ‘spherical harmonics’.
|-
|EmitterPosition:Units||<nowiki>degree, degree, metre</nowiki>||m||||attribute||
|-
|EmitterView||<nowiki>[1 0 0]</nowiki>||||ECI, ECM||double||
|-
|EmitterUp||<nowiki>[0 0 1]</nowiki>||||ECI, ECM||double||
|-
|EmitterView:Type||<nowiki>cartesian</nowiki>||||||attribute||
|-
|EmitterView:Units||<nowiki>metre</nowiki>||||||attribute||
|-
|Data.IR||<nowiki>0</nowiki>||m||mrne||double||Impulse responses.
|-
|Data.SamplingRate||<nowiki>48000</nowiki>||m||I, M||double||Sampling rate of the samples in Data.IR and Data.Delay.
|-
|Data.SamplingRate:Units||<nowiki>hertz</nowiki>||m||||attribute||Unit of the sampling rate.
|-
|Data.Delay||<nowiki>0</nowiki>||m||IRI, MRI, MRE||double||Additional delay of each IR (in samples).
|-
|MeasurementDate||<nowiki>0</nowiki>||||M||double||Optional M-dependent date and time of the measurement.
|}

== Version 1.0 ==

SingleRoomMIMOSRIR version 1.0 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||
|-
|-
|GLOBAL:Version||<nowiki>2.0</nowiki>||rm||||attribute||
|GLOBAL:Version||<nowiki>2.1</nowiki>||rm||||attribute||
|-
|-
|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
Line 44: Line 213:
|-
|-
|GLOBAL:Comment||<nowiki></nowiki>||||||attribute||
|GLOBAL:Comment||<nowiki></nowiki>||||||attribute||
|-
|GLOBAL:RoomDescription||<nowiki></nowiki>||||||attribute||narrative description of the room
|-
|-
|GLOBAL:History||<nowiki></nowiki>||||||attribute||
|GLOBAL:History||<nowiki></nowiki>||||||attribute||
Line 52: Line 219:
|-
|-
|GLOBAL:Origin||<nowiki></nowiki>||||||attribute||
|GLOBAL:Origin||<nowiki></nowiki>||||||attribute||
|-
|GLOBAL:DatabaseName||<nowiki></nowiki>||m||||attribute||Name of the database. Used for classification of the data.
|-
|GLOBAL:RoomShortName||<nowiki></nowiki>||||||attribute||Short name of the Room
|-
|GLOBAL:RoomDescription||<nowiki></nowiki>||||||attribute||Informal verbal description of the room
|-
|GLOBAL:RoomLocation||<nowiki></nowiki>||||||attribute||Location of the room
|-
|GLOBAL:RoomGeometry||<nowiki></nowiki>||||||attribute||URI to a file describing the room geometry.
|-
|RoomTemperature||<nowiki>0</nowiki>||||I, M||double||Temperature during measurements, given in Kelvin.
|-
|RoomTemperature:Units||<nowiki>kelvin</nowiki>||||||attribute||Units of the room temperature
|-
|RoomVolume||<nowiki>0</nowiki>||||I, MI||double||Volume of the room
|-
|RoomVolume:Units||<nowiki>cubic metre</nowiki>||||||attribute||Units of the room volume
|-
|RoomCornerA||<nowiki>[0 0 0]</nowiki>||||IC, MC||double||
|-
|RoomCornerB||<nowiki>[1 2 3]</nowiki>||||IC, MC||double||
|-
|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
|-
|RoomCorners:Type||<nowiki>cartesian</nowiki>||||||attribute||
|-
|RoomCorners:Units||<nowiki>metre</nowiki>||||||attribute||
|-
|-
|GLOBAL:ListenerShortName||<nowiki></nowiki>||||||attribute||
|GLOBAL:ListenerShortName||<nowiki></nowiki>||||||attribute||
Line 74: Line 269:
|-
|-
|GLOBAL:ReceiverDescription||<nowiki></nowiki>||||||attribute||
|GLOBAL:ReceiverDescription||<nowiki></nowiki>||||||attribute||
|-
|ReceiverDescriptions||<nowiki>{''}</nowiki>||||RS, RSM||string||R-dependent version of the attribute ReceiverDescription
|-
|-
|ReceiverPosition||<nowiki>[0 0 0]</nowiki>||m||IC, RCI, RCM||double||
|ReceiverPosition||<nowiki>[0 0 0]</nowiki>||m||IC, RCI, RCM||double||
Line 110: Line 307:
|-
|-
|GLOBAL:EmitterDescription||<nowiki></nowiki>||||||attribute||
|GLOBAL:EmitterDescription||<nowiki></nowiki>||||||attribute||
|-
|EmitterDescriptions||<nowiki>{''}</nowiki>||||ES, ESM||string||E-dependent version of the attribute EmitterDescription
|-
|-
|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.
Line 133: Line 332:
|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)
|-
|-
|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.
|-
|RoomCornerB||<nowiki>[1 2 3]</nowiki>||m||IC, MC||double||
|-
|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
|-
|RoomCorners:Type||<nowiki>cartesian</nowiki>||m||||attribute||
|-
|RoomCorners:Units||<nowiki>metre</nowiki>||m||||attribute||
|-
|GLOBAL:DatabaseName||<nowiki></nowiki>||m||||attribute||Name of the database. Used for classification of the data.
|}
|}

Latest revision as of 08:39, 29 September 2025

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.

Version 1.1

SingleRoomMIMOSRIR version 1.1 will represent the standardized convention set from AES69-2025.

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 1.1 rm attribute
GLOBAL:DataType FIR-E rm attribute Shall be FIR-E.
GLOBAL:RoomType shoebox m attribute Shall be either 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 Unique name of the database. Used for classification of the data.
GLOBAL:RoomShortName attribute Short name of the Room.
GLOBAL:RoomDescription attribute Informal narrative 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.
RoomTemperature:Units kelvin attribute Units of the room temperature.
RoomVolume 0 II, 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 This variable is used to provide attributes RoomCorners:Type and RoomCorners:Units. Its value can be ignored.
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 {''} MSI, RSI, MRS string M- and/or R-dependent versions of ReceiverDescription with specific descriptions of the receivers.
ReceiverPosition [0 0 0] m ICI, RCI, RCM double
ReceiverPosition:Type spherical m attribute Can be ‘cartesian’, ‘spherical’, or ‘spherical harmonics’.
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 {''} MSI, ESI, MES string M- and/or E-dependent version of EmitterDescription with specific descriptions of the emitters.
EmitterPosition [0 0 0] m ICI, ECI, ECM double
EmitterPosition:Type spherical m attribute Can be ‘cartesian’, ‘spherical’, or ‘spherical harmonics’.
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.

Version 1.0

SingleRoomMIMOSRIR version 1.0 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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