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OPERA  BY TELEPHONE
                                                                                   In 1881 the Paris Opera was
                                                                                 connected via underground lines to
                                                                                 the Electrical Exhibition at the
                                                                                 Palace de L’Industrie, a distance of
                                                                                 some 3km.
                                                                                   Six microphones were placed on
                                                                                 each side of the prompter’s box,
                                                                                 along the balustrade in front of the
                                                                                 stage and connected via the
                                                                                 underground lines to 32 pairs of
          Hamer Hall Melbourne. Suspended ‘saucers’ and wall ‘blinds’ for better acoustics.  telephone receivers at the exhibition.
          Image: Frank Van Straten.                                                An interesting aspect of this
                                                                                 experiment is that equipment was so
            Unfortunately the architect is     The successful theatre architect of
                                                                                 arranged that the left telephone
          compelled to consult the wishes of those  the 19th and early 20th centurys usually
                                   (1/p111)                                      receiver was connected to a left
          who come not to hear, but to see.  turned out variations on tried and true
                                                                                 microphone and a right receiver to a
            An echo is usually a fault, but  designs. Sound wasn't any more of a  right microphone - if an actor
          sparingly used (as resonance) it can be  problem when many of these venues  changed position on the stage, the
          pleasing. Mixing consoles can     showed silent films with a musical   listener heard in effect a stereo
          introduce on demand a range of echo  accompaniment.
                                                                                 ‘broadcast’ and could follow the
          types to enhance performance.     PIONEERS OF MECHANICAL               respective positions of the
            The opposite effect is to use drapery  SOUND                         performers! With only 32 people
          to ‘deaden’ sound reflections. In some  After Thomas Edison introduced his  able to listen simultaneously, the
          concert halls natural reverberation is  Phonograph in the 1870s, he    time available for each person to
          modified by adjusting the amount of  approached the problem of adding  hear the opera must have been
          sound absorbent material covering the  sound to his Kinetoscope films, but  limited indeed!
          walls. In the Hamer Hall special fabric  synchronising the sound and picture  The experiment was considered
          can be unrolled and lowered for this  proved to be a challenge.        a success, albeit with an obvious
          purpose.
                                               The early Edison Kinetophone was  conclusion:
            Some early Italian theatres     a Kinetoscope viewer fitted with an    Whatever perfection may be
          exploited natural resonance. In these  unsynchronised cylinder player located  arrived at with regard to faithfulness
          buildings the musicians’ platform was  in the base of the machine. By  of transmission of instrumental and
          constructed from light, resonant timbers  September 1895, it had made its way to  vocal sounds, hearing by telephone
          such as pine, supported on arches with  Australia and surprisingly, made its  will never compensate for the
          space beneath and separated from the  debut in Charters Towers,        absence of the scenery and the
          audience by a railing about 500mm  Queensland. (3/p41)                 actors, their gestures and faces, and
          from the edge of the pit. In this way the
                                               Emile Berliner also made a sound  will never have that particular
          body of the orchestra was isolated and
                                            recording machine, but unlike the Edison  charm which comes from the
          the floor they were standing on could
                                            cylinders he recorded on flat discs,  association of all the attractions
          vibrate freely, thus ‘allowing full scope
                                            similar to the records we know today.  comprised in a musical or dramatic
          to the power of the instruments’.                                                  (2/p724)
                                               By 1902, Frenchman Leon           representation.
            Surprisingly, this innovation was
                                            Gaumont had a tolerably satisfactory
          either not known or ignored in the
                                            system for synchronised sound and
          initial construction of the orchestra pit
                                            moving picture. He used synchronous
          at the Paris Opera (1861). The
                                            electric motors to drive the projector
          musicians and their instruments were
                                            and a Gramophone located behind the
          near ground level and enclosed in a
                                            screen. In some reports only one motor
          rigid iron and wood construction.
                                     (1/p101)  was used to belt-drive both projector
          Sound quality suffered as a result.                 (4/p65)            Microphone array across the stage
                                            and sound reproducer.
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