The game of Blind Cricket tends to be noisier than a game of sighted cricket.
When bowling, the bowler is required to ask the batsman if he is ready. If the batsman replies in the affirmative, then the bowler must say “play” as he releases the ball. In addition to this, partially blind bowlers will make use of a caller (usually the wicket keeper). The bowler will call out to the caller, who will call back at the bowler. This process repeats until the bowler is satisfied he has his aim correct.
To add to all this noise, all umpiring decisions are made verbally in addition to the normal umpiring signals.