On 5/23/05, Alex Stagg <[EMAIL PROTECTED]> wrote: > QAM and 8VSB are two different modulation schemes. 8VSB is used for digital > off the air (ATSC) signals in the US. QAM is used on Cable systems. That's > all about this topic but maybe it will help you sort out what you want to > do. > > -----Original Message----- > From: Michael Haan [mailto:[EMAIL PROTECTED] > Sent: Monday, May 23, 2005 8:10 PM > To: Discussion about mythtv; gentoo-user@lists.gentoo.org > Subject: [gentoo-user] Tuning QAM w/ pcHDTV3000 > > I'm not sure I'm doing this right. I have the card installed, running > 2.6.12-rc4. The drivers seem to load as does the firmware. I've built > dvb-apps and tried: > > ./atscscan atsc/us-NTSC-center-frequencies-8VSB > > > And got nothing but: > > >>> tune to: 803000000:8VSB > WARNING: >>> tuning failed!!! > >>> tune to: 803000000:8VSB (tuning failed) > WARNING: >>> tuning failed!!! > > > Does that mean there are no QAM channels I can get? Or do I need to do > something more? What about 64 vs 256? > > -- > gentoo-user@gentoo.org mailing list > > -- > gentoo-user@gentoo.org mailing list > >
Ok, I've found a file with proper frequencies and am finally getting a signal lock: [EMAIL PROTECTED] root # ./dvb-apps/util/szap/azap -r C104 using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0' tuning to 675000000 Hz video pid 0x0000, audio pid 0x0000 status 1f | signal 126d | snr fd47 | ber 00000000 | unc 00000000 | FE_HAS_LOCK status 1f | signal 126d | snr fd43 | ber 00000000 | unc 00000000 | FE_HAS_LOCK status 1f | signal 126d | snr fd5b | ber 00000000 | unc 00000000 | FE_HAS_LOCK A post I read (http://www.pchdtv.com/forum/viewtopic.php?t=688&highlight=qam) mentioned needing to run dvbtraffic to get the "pids". I get this: tibeaux root # ./dvb-apps/util/dvbtraffic/dvbtraffic /dev/dvb/adpater0/frontend0 read: Bad file descriptor My question is - do I need to do this? If I'm getting a lock, what do I do next to enable myth to use this card? -- gentoo-user@gentoo.org mailing list
