-
patterns of
sound,
different alert conditions can be called.
Electronic sirens can
transmit voice announcements in
addition to
alert tone signals.
Siren systems...
- as well as in
systems where several sirens are
distributed around a town for
better sound coverage. Most fire
sirens are
single tone and
mechanically driven...
- The Q2B
siren ("Q-
siren") is an
electromechanical siren that is
produced by the
Federal Signal Corporation and is most
recognizable for its
sound, which...
- Launceston, Tasmania. When the
final siren sounded,
Fremantle was
leading by one point; however, the
umpires did not hear the
siren, and play
continued for around...
- the
siren sounds to end a quarter, and the
siren sounds before the
player takes a set shot, the
player is
allowed to take the kick
after the
siren. Often...
-
siren is a
siren with a
bandwidth broader than 500 Hz-1.8 kHz that
enables listeners to more
quickly locate the
source of the
sound. Generally,
sound...
- area. The
first siren sound signals the
start of each round, and
candidates can only
begin shaping their signs then. The
second siren sound signals the end...
- The Lost
Sirens".
Consequence of
Sound.
Retrieved 24
January 2013. Gill, Andy (12
January 2013). "Album review: New Order, The Lost
Sirens (Rhino UK)"...
-
Rumbler siren is a type of
emergency vehicle siren used
primarily in the
United States.
Developed in 2007 by
Federal Signal Corporation, and
sounding at a...
- in the mid-2010s. The
siren scene involves competitions where crews compete for the
loudest and
clearest sound produced by
sirens (loudspeakers or public...
