I am running wheezy and having curious trouble getting a DVB-T USB stick
working well.
The kernel log has encouraging messages, like,
usb 4-4: new high-speed USB device number 2 using ehci-pci
usb 4-4: Product: DVB-T 2
usb 4-4: dvb_usb_v2: found a 'MSI DIGIVOX Duo' in cold state
usb 4-4: firmware: direct-loading firmware dvb-usb-af9015.fw
usb 4-4: dvb_usb_v2: will pass the complete MPEG2 transport stream to the
software demuxer
dvb_usb_v2: 'MSI DIGIVOX Duo' successfully initialized and connected
and I have some nice,
/dev/dvb/adapter0/demux0 /dev/dvb/adapter1/demux0
/dev/dvb/adapter0/dvr0 /dev/dvb/adapter1/dvr0
/dev/dvb/adapter0/frontend0 /dev/dvb/adapter1/frontend0
/dev/dvb/adapter0/net0 /dev/dvb/adapter1/net0
I have tried a few dvb-usb-af9015.fw -- my current one has MD5 sum
4ea04354bb30fba400c7c84abf99ac13 which I think is meant to be v5.24.
w_scan -ft -cGB reports happily things like,
Info: using DVB adapter auto detection.
/dev/dvb/adapter0/frontend0 -> TERRESTRIAL "Afatech AF9013": good :-)
/dev/dvb/adapter1/frontend0 -> TERRESTRIAL "Afatech AF9013": good :-)
Using TERRESTRIAL frontend (adapter /dev/dvb/adapter0/frontend0)
and then it scans a lot and finds only 25 channels. (Whereas, if I have
w_scan just find the tuning data with -x, the resulting file has five
entries from which scan and dvbv5-scan can tune to no channels at all,
and dvbscan just sits on the CPU for very many hours until I get bored
of waiting.)
Given those 25 channels from w_scan, I can record them with tzap, but
the signal is poor and the audio and video are a little out of sync on
playback.
I plug the same antenna cable (the plug fitting rather more snugly) into
our cheap Chinese DVB-T2 box and it shows all the expected HD channels
just fine at good quality.
Is this at all surprising? Are there easy fixes I could try?
-- Mark
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