Sounds like the NYC Subway R160B which is also manufactured by Siemens and the MTR Airport Express trains
Sounds Like Siemens ACS-64 And SC-44
The traction system is same as the new velaro (BR 407)
They basically use the same IGBT VVVF
Design is more based of the ICE 3 (BR 403)
1:02 horn
Sounds like the NYC Subway R160B which is also manufactured by Siemens and the MTR Airport Express trains