SimpleFreeFieldHRSOS: Difference between revisions

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!Name
!Name
!Default
!Default
![[SOFA_conventions#AnchorFlags|Flags]]
!Flags
!Dimensions
![[SOFA_conventions#AnchorDimensions|Dimensions]]
!Type
!Type
!Comment
!Comment
|-
|-
|GLOBAL:Conventions||SOFA||rm|| ||attribute||
|GLOBAL:Conventions||<nowiki>SOFA</nowiki>||rm||||attribute||
|-
|-
|GLOBAL:Version||1.0||rm|| ||attribute||
|GLOBAL:Version||<nowiki>2.0</nowiki>||rm||||attribute||
|-
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|GLOBAL:SOFAConventions||SimpleFreeFieldHRSOS||rm|| ||attribute||This convention set follows SimpleFreeFieldHRIR but the data is stored as second-order section (SOS) coefficients.
|GLOBAL:SOFAConventions||<nowiki>SimpleFreeFieldHRSOS</nowiki>||rm||||attribute||This convention set follows SimpleFreeFieldHRIR but the data is stored as second-order section (SOS) coefficients.
|-
|-
|GLOBAL:SOFAConventionsVersion||2.0||rm|| ||attribute||
|GLOBAL:SOFAConventionsVersion||<nowiki>1.0</nowiki>||rm||||attribute||
|-
|-
|GLOBAL:APIName||||rm|| ||attribute||
|GLOBAL:APIName||<nowiki></nowiki>||rm||||attribute||
|-
|-
|GLOBAL:APIVersion||||rm|| ||attribute||
|GLOBAL:APIVersion||<nowiki></nowiki>||rm||||attribute||
|-
|-
|GLOBAL:ApplicationName|||||| ||attribute||
|GLOBAL:ApplicationName||<nowiki></nowiki>||||||attribute||
|-
|-
|GLOBAL:ApplicationVersion|||||| ||attribute||
|GLOBAL:ApplicationVersion||<nowiki></nowiki>||||||attribute||
|-
|-
|GLOBAL:AuthorContact||||m|| ||attribute||
|GLOBAL:AuthorContact||<nowiki></nowiki>||m||||attribute||
|-
|-
|GLOBAL:Comment|||||| ||attribute||
|GLOBAL:Comment||<nowiki></nowiki>||||||attribute||
|-
|-
|GLOBAL:DataType||SOS||rm|| ||attribute||Filters described as second-order section (SOS) coefficients
|GLOBAL:DataType||<nowiki>SOS</nowiki>||rm||||attribute||Filters described as second-order section (SOS) coefficients
|-
|-
|GLOBAL:History|||||| ||attribute||
|GLOBAL:History||<nowiki></nowiki>||||||attribute||
|-
|-
|GLOBAL:License||No license provided, ask the author for permission||m|| ||attribute||
|GLOBAL:License||<nowiki>No license provided, ask the author for permission</nowiki>||m||||attribute||
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|-
|GLOBAL:Organization||||m|| ||attribute||
|GLOBAL:Organization||<nowiki></nowiki>||m||||attribute||
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|GLOBAL:References||||||||attribute||
|GLOBAL:References||<nowiki></nowiki>||||||attribute||
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|GLOBAL:RoomType||free field||m|| ||attribute||
|GLOBAL:RoomType||<nowiki>free field</nowiki>||m||||attribute||
|-
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|GLOBAL:Origin||||||||attribute||
|GLOBAL:Origin||<nowiki></nowiki>||||||attribute||
|-
|-
|GLOBAL:DateCreated||||m|| ||attribute||
|GLOBAL:DateCreated||<nowiki></nowiki>||m||||attribute||
|-
|-
|GLOBAL:DateModified||||m|| ||attribute||
|GLOBAL:DateModified||<nowiki></nowiki>||m||||attribute||
|-
|-
|GLOBAL:Title||||m||||attribute||
|GLOBAL:Title||<nowiki></nowiki>||m||||attribute||
|-
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|ListenerPosition||[0 0 0] ||m||IC, MC||double||
|ListenerPosition||<nowiki>[0 0 0] </nowiki>||m||IC, MC||double||
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|ListenerPosition:Type||cartesian||m|| ||attribute||
|ListenerPosition:Type||<nowiki>cartesian</nowiki>||m||||attribute||
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|ListenerPosition:Units||metre||m|| ||attribute||
|ListenerPosition:Units||<nowiki>metre</nowiki>||m||||attribute||
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|ReceiverPosition||[0 0.09 0; 0 -0.09 0]||m||rCI, rCM||double||
|ReceiverPosition||<nowiki>[0 0.09 0; 0 -0.09 0]</nowiki>||m||rCI, rCM||double||
|-
|-
|ReceiverPosition:Type||cartesian||m|| ||attribute||
|ReceiverPosition:Type||<nowiki>cartesian</nowiki>||m||||attribute||
|-
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|ReceiverPosition:Units||metre||m|| ||attribute||
|ReceiverPosition:Units||<nowiki>metre</nowiki>||m||||attribute||
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|SourcePosition||[0 0 1]||m||IC, MC||double||Source position is assumed to vary for different directions/positions around the listener
|SourcePosition||<nowiki>[0 0 1]</nowiki>||m||IC, MC||double||Source position is assumed to vary for different directions/positions around the listener
|-
|-
|SourcePosition:Type||spherical||m|| ||attribute||
|SourcePosition:Type||<nowiki>spherical</nowiki>||m||||attribute||
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|SourcePosition:Units||degree, degree, metre||m|| ||attribute||
|SourcePosition:Units||<nowiki>degree, degree, metre</nowiki>||m||||attribute||
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|EmitterPosition||[0 0 0]||m||eCI, eCM||double||
|EmitterPosition||<nowiki>[0 0 0]</nowiki>||m||eCI, eCM||double||
|-
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|EmitterPosition:Type||cartesian||m|| ||attribute||
|EmitterPosition:Type||<nowiki>cartesian</nowiki>||m||||attribute||
|-
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|EmitterPosition:Units||metre||m|| ||attribute||
|EmitterPosition:Units||<nowiki>metre</nowiki>||m||||attribute||
|-
|-
|GLOBAL:DatabaseName||||m|| ||attribute||name of the database to which these data belong
|GLOBAL:DatabaseName||<nowiki></nowiki>||m||||attribute||name of the database to which these data belong
|-
|-
|GLOBAL:ListenerShortName||||m|| ||attribute||ID of the subject from the database
|GLOBAL:ListenerShortName||<nowiki></nowiki>||m||||attribute||ID of the subject from the database
|-
|-
|ListenerUp||[0 0 1]||m||IC, MC||double||
|ListenerUp||<nowiki>[0 0 1]</nowiki>||m||IC, MC||double||
|-
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|ListenerView||[1 0 0]||m||IC, MC||double||
|ListenerView||<nowiki>[1 0 0]</nowiki>||m||IC, MC||double||
|-
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|ListenerView:Type||cartesian||m||||attribute||
|ListenerView:Type||<nowiki>cartesian</nowiki>||m||||attribute||
|-
|-
|ListenerView:Units||metre||m||||attribute||
|ListenerView:Units||<nowiki>metre</nowiki>||m||||attribute||
|-
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|Data.SOS||permute([0 0 0 1 0 0; 0 0 0 1 0 0], [3 1 2]);||m||mRn||double||Filter coefficients as SOS coefficients.
|Data.SOS||<nowiki>permute([0 0 0 1 0 0; 0 0 0 1 0 0], [3 1 2]);</nowiki>||m||mRn||double||Filter coefficients as SOS coefficients.
|-
|-
|Data.SamplingRate||48000||m||I||double||Sampling rate of the coefficients in Data.SOS and the delay in Data.Delay
|Data.SamplingRate||<nowiki>48000</nowiki>||m||I, M||double||Sampling rate of the coefficients in Data.SOS and the delay in Data.Delay
|-
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|Data.SamplingRate:Units||hertz||m||||attribute||
|Data.SamplingRate:Units||<nowiki>hertz</nowiki>||m||||attribute||
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|Data.Delay||[0 0]||m||IR, MR||double||Broadband delay (in samples resulting from SamplingRate)
|Data.Delay||<nowiki>[0 0]</nowiki>||m||IR, MR||double||Broadband delay (in samples resulting from SamplingRate)
|}
|}

Revision as of 09:46, 5 October 2021

This conventions defines free-field HRTFs stored as second-order sections, measured with an omnidirectional source for a single listener.

Based on SimpleFreeFieldHRIR, the only difference is the DataType, that is SOS.

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


Name Default Flags Dimensions Type Comment
GLOBAL:Conventions SOFA rm attribute
GLOBAL:Version 2.0 rm attribute
GLOBAL:SOFAConventions SimpleFreeFieldHRSOS rm attribute This convention set follows SimpleFreeFieldHRIR but the data is stored as second-order section (SOS) coefficients.
GLOBAL:SOFAConventionsVersion 1.0 rm attribute
GLOBAL:APIName rm attribute
GLOBAL:APIVersion rm attribute
GLOBAL:ApplicationName attribute
GLOBAL:ApplicationVersion attribute
GLOBAL:AuthorContact m attribute
GLOBAL:Comment attribute
GLOBAL:DataType SOS rm attribute Filters described as second-order section (SOS) coefficients
GLOBAL:History attribute
GLOBAL:License No license provided, ask the author for permission m attribute
GLOBAL:Organization m attribute
GLOBAL:References attribute
GLOBAL:RoomType free field m attribute
GLOBAL:Origin attribute
GLOBAL:DateCreated m attribute
GLOBAL:DateModified m attribute
GLOBAL:Title m attribute
ListenerPosition [0 0 0] m IC, MC double
ListenerPosition:Type cartesian m attribute
ListenerPosition:Units metre m attribute
ReceiverPosition [0 0.09 0; 0 -0.09 0] m rCI, rCM double
ReceiverPosition:Type cartesian m attribute
ReceiverPosition:Units metre m attribute
SourcePosition [0 0 1] m IC, MC double Source position is assumed to vary for different directions/positions around the listener
SourcePosition:Type spherical m attribute
SourcePosition:Units degree, degree, metre m attribute
EmitterPosition [0 0 0] m eCI, eCM double
EmitterPosition:Type cartesian m attribute
EmitterPosition:Units metre m attribute
GLOBAL:DatabaseName m attribute name of the database to which these data belong
GLOBAL:ListenerShortName m attribute ID of the subject from the database
ListenerUp [0 0 1] m IC, MC double
ListenerView [1 0 0] m IC, MC double
ListenerView:Type cartesian m attribute
ListenerView:Units metre m attribute
Data.SOS permute([0 0 0 1 0 0; 0 0 0 1 0 0], [3 1 2]); m mRn double Filter coefficients as SOS coefficients.
Data.SamplingRate 48000 m I, M double Sampling rate of the coefficients in Data.SOS and the delay in Data.Delay
Data.SamplingRate:Units hertz m attribute
Data.Delay [0 0] m IR, MR double Broadband delay (in samples resulting from SamplingRate)
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