Table of Contents - P.570 (03/2025) - Artificial noise fields under laboratory conditions

1	Scope
2	References
3	Definitions
	3.1	Terms defined elsewhere
	3.2	Terms defined in this Recommendation
4	Abbreviations and acronyms
5	Conventions
6	How to use this Recommendation
7	Techniques for capturing real-world noise environments
	7.1	Monaural recording
	7.2	Stereo recording
	7.3	Binaural recording
	7.4	Sound field recording
	7.5	Multi-point sound field recording
	7.6	Recording format
	7.7	Calibration of recording instrumentation
8	Environments for reproducing artificial noise fields
	8.1	Loudspeaker configurations
	8.2	Loudspeaker calibration and equalization
	8.3	Reproducing artificial noise fields in a simulation set-up
9	Techniques for synthetizing noise fields
	9.1	Equalization procedure
	9.2	Recommended set-ups
10	Techniques for assessing artificial noise fields
	10.1	Assessment based on spectral content
	10.2	Assessment based on spatial coherence
	10.3	Assessment of uniformity
11	Documentation of measurements in artificial noise fields
Annex A – Loudspeaker performance
Appendix I – Requirements for test environments
Appendix II – Loudspeaker configurations and decoding of loudspeaker signals
Appendix III – Spatial sound field stability
	III.1	Reproduction of monophonic signals in anechoic conditions
	III.2	Reproduction of monophonic signals in treated rooms
	III.3	Reproduction of stereophonic signals in anechoic conditions
	III.4	Reproduction of stereophonic signals in treated rooms
	III.5	Reproduction of binaural signals in anechoic conditions
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	III.6	Reproduction of binaural signals in treated rooms
	III.7	Reproduction of sound field signals in anechoic conditions
	III.8	Reproduction of sound field signals in treated rooms
	III.9	Reproduction of multi-point signals in anechoic conditions and treated rooms
Appendix IV – Spatial reproduction stability
	IV.1	Spatial reproduction accuracy of monophonic signals under anechoic conditions
	IV.2	Spatial reproduction accuracy of monophonic signals in treated rooms
	IV.3	Spatial Reproduction Accuracy of stereophonic signals in anechoic conditions
	IV.4	Spatial Reproduction Accuracy of stereophonic signals in treated rooms
	IV.5	Spatial Reproduction Accuracy of binaural signals in anechoic conditions
	IV.6	Spatial Reproduction Accuracy of binaural signals in treated rooms
	IV.7	Spatial reproduction accuracy sound field signals in anechoic conditions
	IV.8	Spatial reproduction accuracy of sound field signals in treated rooms
	IV.9	Spatial reproduction accuracy of multi-point reproduction
Appendix V – Detailed description of the overall equalization procedure for a HATS
Bibliography