Hi Helen and Andy, Thank you for confirming it. I'm using MythTV (mythbunutu) too. I guess I must miss some setup steps when I enable the digital tuner. I just want to make sure the driver is able to capture the captions before I troubleshoot the problem. Thank you so much.
Steve On Fri, Jul 31, 2009 at 10:04 AM, faginbagin <[email protected]> wrote: > Hi Steve, > > Andy Walls wrote: > > On Fri, 2009-07-31 at 00:56 -0700, Steve Chui wrote: > >> I've a HVR1600 card with cx18 driver. Currently, I'm able to record > >> analog programs with VBI embedded. Recently, I enabled the digital > >> tuner on HVR1600 to start recording digital programs. The recording > >> works great but no VBI. I wonder is VBI supported on digital > >> recordings? > > > > As far as digital broadcasts are concerned, the CX23418 and cx18 driver > > act simply as a passthrough from the broadcaster. > > > > There are captioning and other information encoded in the digital ATSC > > or QAM streams from the broadcaster. (I can't recall the standards right > > now.) Getting captioning from an ATSC or QAM stream is up to the > > application. > > > > I have no idea what applications currently support displaying captions > > from ATSC and North American QAM digital broadcasts. > > I can confirm that MythTV can display captions embedded in ATSC streams. > MythTV supports both EIA-608 captions (the older standard) and EIA-708 > (newer standard with more features like user's ability to choose fonts & > font sizes). The ATSC standard specifies that both types of captions should > be provided by broadcasters. I should also mention that MythTV's support for > EIA-708 leaves a lot to be desired. Fortunately, you can tell MythTV to > favor EIA-608 captions. > > Helen > > _______________________________________________ > ivtv-users mailing list > [email protected] > http://ivtvdriver.org/mailman/listinfo/ivtv-users >
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