I have the Same issue here on a pvr-150 with tuner 50. If I modprobe wm8775 mixer=2, This will give only audio line in not mixed with tuner audio but the quality is still very poor. A rythmic clicking and distortion.
On Sun, 2005-04-24 at 10:15 -0400, Bryan Mayland wrote: > I added a PVR-150 (NTSC tuner 50) to my system this week and and having > some mixed results. Video seems fine, even vertical and horizontal > scaling as of 0.3.3k. However, my audio is having issues. > > The first noticable problem is there is always a high pitched squeal > while watching via the tuner. It is always there, so I recorded a small > clip and ran it through an FFT to get this: > http://capnbry.net/~bmayland/fi/pvr150/fft.png > http://capnbry.net/~bmayland/fi/pvr150/spectro.png > As you can see, there's a ~15.7kHz signal in the audio. The problem > exists on every tuner channel. > > I plugged in my cable box to the Line-In and S-Video on the 150 and > while the box is on I get the Line-In mixed with Tuner audio regardless > of if I ivtvctl -q0 or -q1. This is also true regardless of the video > input (-p) setting, if that has any bearing. > > I'm using the HcwFalcn.rom and HcwMakoA.rom off the CD that came with > the card, and ivtv-fw-enc.bin extracted from Hauppauge drivers (which > work great with the PVR-250 this card is replacing). MD5 sums: > 5f5fa240ada73c3565f5f7de4c7b5138 /lib/modules/HcwFalcn.rom > 3a4803384f749d644ee1f1ca9dcb12fa /lib/modules/HcwMakoA.ROM > 5f5fa240ada73c3565f5f7de4c7b5138 /lib/modules/ivtv-fw-enc.bin > > I've got a hard drive with XP Pro I put in the machine to test with, and > the sound issues are not present under XP. Any ideas where to go with this? > > > ------------------------------------------------------- > SF email is sponsored by - The IT Product Guide > Read honest & candid reviews on hundreds of IT Products from real users. > Discover which products truly live up to the hype. Start reading now. > http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click > _______________________________________________ > ivtv-devel mailing list > ivtv-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/ivtv-devel > ------------------------------------------------------- This SF.Net email is sponsored by: NEC IT Guy Games. Get your fingers limbered up and give it your best shot. 4 great events, 4 opportunities to win big! Highest score wins.NEC IT Guy Games. Play to win an NEC 61 plasma display. Visit http://www.necitguy.com/?r=20 _______________________________________________ ivtv-devel mailing list ivtv-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ivtv-devel
