Sony has suggested that rather than developing competing technologies, those in the race to create the next generation DVD discs should work together to create a single standard.

At an event in France on Wednesday Sony Video Group general manager Yukinori Kawauchi said: "From the point of view to provide the best service to the consumer one format is better than two. We're open to discussions," Reuters reports.

The battle between Blu-tay optical discs and HD DVD discs has been compared to the war between the VHS and Betamax style video tapes.