[mythtv] Stuttering LiveTV 1920 x 1088, multiple audio codec's

[Kirby Bakken]

Is this my audio problem?

2005-12-01 18:13:41.982 AFD: Opened codec 0xacaa70, id(AC3) type(Audio)
2005-12-01 18:13:41.983 AFD: Opened codec 0xac6750, id(AC3) type(Audio)
2005-12-01 18:13:41.983 AFD: Opened codec 0xa952e0, id(AC3) type(Audio)

For all my other channels, just ONE audio codec gets opened..  How 'come 
I get three with the PBS station?