SeaChange International is to make significant staff reductions in its North American operations as it looks to stem ongoing losses.A filing with the Securities and Equities Commission posted earlier this month reveals annualised cost savings of $8.1 million will be made once complete.No details of how many positions will be affected have been revealed, but restructuring and severance charges are expected to reach approximately $1.5 million.In April, SeaChange terminated the contract of its CEO, the