Global Technical Regulation for Quiet Road Transport Vehicles Informal Group
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Documentation
GTRQRTV-05-02 Possibility of frequency shift test on the road
GTRQRTV-05-03 Relationship between Acceleration Impression and Frequency Shifting of Vehicle Sound
GTRQRTV-05-04 Acoustic vehicle alerting system regulation of Taiwan
GTRQRTV-05-05 Detection distances of various sounds: VDA research, comments, and suggestions