Set-top box software company OpenTV recorded a net loss of $4 million in the last quarter, compared to just under $2 million in the same period the previous year.

Royalties of $12.3 million were up on the previous year, contributing to revenues of $20.8 million, but these were outweighed by operating expenses of $25 million.

In the first six months of the year, OpenTV lost $7.3 million, compared to $10.8 million in the same period the previous year.

Revenues from the BettingCorp subsidiary were up 160% to $1.3 million for the quarter.

OpenTV says its software is deployed in 57 million set-top boxes in 96 countries.

OpenTV chairman and chief executive Jim Chiddix said royalty revenues continued to show growth, primarily from BSkyB, Foxtel, Sky Italia and EchoStar, and he expects further opportunities from their relationship with Liberty Global, formerly UGC.

The OpenTV chairman said: “We continue to invest in North American cable, IPTV, interactive advertising and other emerging services that we think offer significant opportunities for us to leverage our worldwide experience and expertise, and have begun to see some traction with several of those initiatives.”