But getting high-definition channels from Comcast would have substantially increased that.

In early 2008, TV1000 launched its first high-definition channel.

Over all, it is worth checking how many high-definition channels are available, whether from cable and satellite providers or the free public airwaves.

The number of high-definition channels available depends on the channel capacity of the local system.

Local high-definition channels are also available in some places.

Verizon, which is laying fiber all the way to consumers homes, will also be able to offer many more high-definition channels.

All cable companies offer a number of high-definition channels.

At launch it had 5 standard-definition channels and 1 high-definition channel.

The majority of the programming on the high-definition channels was simulcast from the parent channel.

Each has at least two high-definition channels, not one.