Most of the Russian cinema halls were designed and built in the past for one channel sound reproduction. Nowthey are old fashioned and not popular with the public. It is well understood by the owners of the movie theatresthat only modern rooms with multi-channel sound reproduction may be profitable. Acoustic design of 11existing movie theatres (19 halls) was done during the last 2 years. The main parts of this design are:architectural acoustics of the rooms, sound insulation of the rooms' surfaces, noise control of ventilationsystems, acoustic computer modelling of the loudspeaker systems for the screen and surround sound channels.There are presented the results of this design and the acoustic measurements have been done in the renovatedhalls. Some general tendencies for the renovation of the existing movie theatres have been estimated.
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