doi:10.7916/d8-9xab-2g88News ReleaseNeuhaus, Maxvideo recordingsmoving imageEmergency vehiclesSirens (signaling devices)Emergency vehicles--Safety measuresSound--ExperimentsStarts with about 3 minutes of news clips related to Neuhaus, followed by recording of documentary Super Chief about Earl Warren. The news clips cover Neuhaus’s efforts to create a new siren sound for emergency vehicles designed to reduce noise pollution and prevent vehicle collisions