Advantages/Disadvantages
Hot Spot has two main advantages over its competing technology, the Snickometer, which is a sound-detection based system. Snickometer often produces inconclusive results indicating contact (potentially any combination of bat, pad and ball) only, whereas the Hot Spot clearly shows exactly what the ball strikes. Precise synchronisation of the Snickometer sound with associated pictures takes time, making it currently not suitable for use in the umpire decision review system.
Hot Spot technology, even though claimed to be extremely accurate, is not used in many matches. The main reason for this is its expense: $6000 per day for the use of two cameras and $10000 for the use of four cameras. Warren Brennan, the owner of BBG Sports, said the unwillingness of the International Cricket Council or national cricket boards to pay to use the expensive technology had restricted its use: "We won't be supplying Hot Spot to the World Cup next year, even for the semis or finals, if the cricket boards want a feed of that for adjudication purposes, they should contribute to the costs. The Ashes could be the last hurrah."
In the India-England ODI Series in 2011, there were controversial decisions based on the Hot Spot technology going against India's Rahul Dravid on more than one occasion where Hot Spot replays proved inconclusive and yet Dravid was given out. On one occasion, there seemed to be a nick which Hot Spot wasn't able to detect. These incidents threw the role of Hot Spot technology into doubt once again.
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