Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Instrumentation
6 Acoustic environment, meteorological
conditions, and background noise
7 Test procedures
8 Test report
Annex A (informative) - Information on development
of ISO 16254
Annex B (informative) - Development of frequency
shift information
Annex C (informative) - Relevance of objective
acoustic data to pedestrain safety
Bibliography