Hamish,
i know you're in Melbourne - i'm also in Melbourne also. i wonder how much of this may be related to a less-than-ideal aerial?
i had previously dabbled with Hauppage WinTVs - analog capture cards - which worked relatively well.
the only channel which wasn't great was Channel 31.
with a DVB-T card, reception was nowhere near as good. signal strngth / SNR was around 30-40%.
i bought a new "decent" higher-gain antenna from Radio Parts (http://www.radioparts.com.au/ProdView.aspx?popup=1&Product=00720351) and replaced existing cabling with quad-shielded cabling and F-type connectors. this increased the digital signal strength / SNR to around 85-90%.
At 06:11 PM 20/03/2005, Hamish Moffatt wrote:
Specifically: - Seven HD has choppy audio with audio buffer underrun messages to the console at a rate of a few per second. I'm using ALSA drivers and Myth's ALSA audio support.
SEVEN HD works fine here (Malvern East). i'm not using ALSA - am using OSS.
- ABC HD (which is different from ABC in the US, please note!) works OK if I go directly to it when starting HDTV, else the audio is choppy. I get some ffmpeg errors spit out on the console every few seconds even when the audio is working fine; they are ac-tex errors and the like.
- SBS HD has breaking picture and audio, with lots of ffmpeg errors.
i get occasional errors with SBS. haven't looked into why.
I didn't try 9 or 10.
both 9 & 10 work just fine.
It doesn't appear to be CPU-bound; if anything while watching Seven with breaking audio (but OK picture) CPU usage seems lower than other stations. I have an XP 2600+, GF4 MX440 video (not using XvMC).
XP2800+ as backend here & part-time frontend. uses a cheap ATI card (R220 based i think).
I have been content with the digital SD stations until now but recently bought an HDTV, so would like to get this going at some point. I can help debug but don't know where to start.
while i've found HDTV to "mostly work", its pretty much irrelevant in this country at present.
while i have now just procedure a lovely 24" Dell LCD monitor (1900 x 1280 resolution), there ain't ever going to be anything better than SD for the forseeable future in the living room with the trusty 68cm TV. :)
cheers,
lincoln.
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