VIENNA ZOO BROADCAST

Radio Record, Volume I, Issue 49, 22 June 1928, Page 3

VIENNA ZOO BROADCAST

*Ravag’ recently Dbrgudcust the noises of animals in the ‘Tiergarten at Schonbrunn, Vienna. The difficulties which stood in the way of such a broadcast were not only of a technieal character (the cages of the different separate animals are often far apart), but there was the uncertainty of getting the animals to co-operate at the right moment, A pavilion in a central position between the cages was fitted up into a temporary studio with the necessary amplifying and listening equipment, and from here the noises of the animals were broadcast, There were nine microphone lines, all complete, ‘} running to the pavilion for connecting up the cages of tigers, polar bears, hippopotami, elephants, giraffes, the bird house, duck ponds and the cages for birds of prey. Inside the cages, the microphone line ran via the amplifier, to the Johannesgasse, where the noises of the animals were again amplified and passed on to the transmitter, . Immediately before the broadcast, a message was sent out from the pavilion that all was ready, and at a given signal the keeper persuaded the individual animal to "talk," the corresponding microphone being connected up to the amplifier in the pavilion,