considerable increase in recording work, particularly that associated with feature programmes and magazines, had led to considerable operational difficulty.
15. The reconstruction plan provided for the creation of two separate recording channels in place of the existing one, and for a small recording studio and a third recording channel in place of the existing recording studio. Work began on these alterations in March, and in order to preserve normal pro- gramme work during the alterations, recording facilities were provided in the central control room and in both continuity suites. A type of acoustic treatment new to Hong Kong, using vibrating membrane panels to reduce low frequency reverbera- tion, was designed for the new recording studio.
16. The Concert Hall had suffered from the outset by having a control room so minute that a maximum of two people could be accommodated in it, giving rise to the greatest difficulties in producing any programmes having complicated technical and sound effects needing more than one technical operator. At the same time, certain types of dramatic production and panel games need a small studio associated with the main studio in which 'mystery voices' or narrators can be placed.
17. By converting the existing control room into a studio and building a much larger control room along side and partly out into the main studio these defects could be cured. Concert Hall plans were drawn up to achieve this, work being due to begin immediately after the modifications to the recording room. Similar acoustic treatment was to be given to the narrators' studio as to the recording room. Being almost a perfect cube, the narrators studio is an acoustic nightmare, and further modification may have to be made when practical experience of its performance has been acquired.
18. A considerable quantity of additional equipment was needed for the expansion. More portable battery-operated tape recorders were ordered to cope with anticipated programme requirements; static recording equipment, continuous tape recording channels and playback units were ordered for the new recording rooms, and to increase continuity control flexibility; V.H.F. transmitters were ordered for use as pro- gramme links in outside broadcast work; new studio control
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