A sound effect for the murmur of a crowd
in the background.
The word walla was created in the old radio days when they needed the sound of a crowd in the background. They found if several people simply repeated "walla, walla, walla, walla" it sounded like people talking. The audience did not really hear the words, just the buzz of voices.
Walla group (another
term is ADR group)
It is usually the ADR supervisor who work with the walla group. At this point of the postproduction shedule the director might need to be on the scoriing stage woth music or in the cutting room with opticals.
The sound coming from a radio or loud speaker are mostly written and recorded by the ADR group. This because If in production they use a real radio or TV program then they will have the problem of getting legal clearances and perhaps paying fees.
There are no group sound on the production soundtrack.
The extras do not say anything - they are mouthing it.
>> READ What
is a WALLA group?
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