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Sounds great
for Crocodile Hunter
at the
Australian Zoo
Australia
Zoo, located 1 hour north of Brisbane, is one of Australia’s leading
entertainment and wildlife parks. It is owned and managed by the
Crocodile Hunter, an Australian icon who has made a name for himself as
the khaki-clad “Aussie”, and whose popularity has increased dramatically
over the past few years both at home and overseas.

The park,
which was opened in 1970, today is home to over 750 animals on over 50
acres of land. To cater for the growing crowds, the park has recently
undergone a major upgrade and significant expansion of its public
address system.
This major
sound development project was divided into two stages and Audia, TOA and
AKG products were selected for the install. Stage One covered the
installation of distributed audio and a hierarchy of prioritised audio
control throughout the whole Zoo, and Stage Two included the sound
system installation for the brand new auditorium, suitably named “Crocoseum”.
The
Crocoseum is a horseshoe-shaped, stadium style arena with a roof
covering 75% of its 5,000 seating capacity, making it the biggest venue
of its type in Australia. Management insisted that the quality of the
sound system had to be consistent with the rest of the venue, the best
of its kind.
Stadiums
worldwide are notorious for poor sound, large reflective surfaces and
long distances, which can seriously impede intelligibility. In the case
of the Crocoseum, which spans nearly 70m in length and width, the
combination of the right speakers and control system was essential. To
provide full control, the system was split into 18 individual zones,
with all signal processing handled by Audia, Biamp’s new Digital Audio
Platform.
The
algorithms in Audia allow the signal processing of each input source to
be equalised, prioritised and mixed to where required. Audia also
provides the necessary speaker management for the distributed sound
system and the reinforced sound system in the Crocoseum. This includes
the signal dynamics, crossovers and delays required. PC control of the
Audia system allows daily settings to the sound system to be achieved.
Subtle changes to the sound system for enhancement can also be made by
the staff if necessary.
The sound
required for the park’s expansion needed to be reliable, cater for all
weather conditions, and provide background music and high quality speech
audio for live presentations. The staff at Australia Zoo also required a
flexible and reliable system which allowed for the control of the paging
system and the hierarchy of the priority muting to be carried out simply
and efficiently. Wildlife presentations scheduled over the course of
each day require simple prioritising of selected zones so that each
presenter could be heard through a wireless microphone system in
whichever arena he or she may be in. Ducking of other sources is
achieved automatically once the presenter switches on his or her
microphone.
The biggest
challenge to overcome whilst working on the installation was being able
to provide the correctly prioritised ducking levels automatically. The
use of Audia’s algorithms enabled the sound technicians to overcome
this.
AKG’s
WMS 4000 multi-channel UHF wireless microphone systems with handheld and
belt-pack transmitters were chosen as the most suitable microphone
product to meet the stringent requirements of the Australia Zoo
environment. UHF distribution with 4 active antennas provided accurate
coverage and reliability.
Equipment
used in the final installation included: Audia 8 x 8 Cobranet, AudiaFlex
CobraNet, Audio EXPO, Logic box, TOA UHF Wireless microphones, AKG
wireless microphones, TOA 900 Series amplifiers, TOA CS Series
weatherproof music horn speakers, TOA BS1030 speakers and TOA EV350R
digital announcer. Audio Products Australia was able to provide a
complete audio package to meet the requirements of the park, whilst the
speakers and amplification for the Crocoseum’s sound reinforcement were
supplied by Acoustic Technologies in Brisbane.
The
Crocodile Hunter and Australia Zoo staff now entertain an audience of up
to 5,000 on a daily basis in the Crocoseum with high quality sound.
Crikey, it sounds tops, mate! |
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www.audioproducts.com.au
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Helpful
Hints |
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Pop Noise
In order to avoid there unpopular pop noises on stage, talk
across the microphone head. Interestingly, pop noises are
worst about 2 in. from the mic, so move either closer or
further away and perhaps use an extra foam windscreen.
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Fast Facts |
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The Wilson WAMM speakers cost a massive US$225,000, the hand built
speakers take between 3 & 4 months to build. |

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