On Tue, Dec 1, 2009 at 12:41 PM, Jeff Campbell <[email protected]> wrote: > Thanks for confirming things Andy, Devin. > > I am getting 21.5 to 22 on SNR, which seems quite low. This is for OTA > signals. I'm used to 25++ on a cable network. I am quite a distance from > the transmitting tower, and at a low elevation so perhaps it is to be > expected. I'd be curious to hear what others are getting and their relative > distance from the towers if they know it. I'm about 35 miles away. > > It seems to be consistent across all three stations, which are all coming > off the same tower as far as I am aware. > > Generally the video performance is very good but I get occasional periods of > lost packets and slight pixelation in small areas, which is consistent with > being near the lower end of signal strength and losing a few packets. > > At the moment I am using dvbstream to stream the output but I'm finding it > dies with a buffer overflow error after a random period of time. I suspect > this may be related to the signal strength and mangled packets, but I > haven't looked in to it in any detail yet. Is dvbstream normally stable for > long term streaming?
One more point worth making - if you haven't already, you should definitely consider installing the latest v4l-dvb code. There were fixes made recently which considerably improve the quality of reception for ClearQAM (you will see a 3-4 dB improvement in SNR). Devin -- Devin J. Heitmueller - Kernel Labs http://www.kernellabs.com _______________________________________________ ivtv-devel mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-devel
